Constant resistance generating exercise machine
11179590 · 2021-11-23
Inventors
Cpc classification
A63B21/0051
HUMAN NECESSITIES
A63B21/4001
HUMAN NECESSITIES
A63B21/153
HUMAN NECESSITIES
A63B21/157
HUMAN NECESSITIES
A63B21/0435
HUMAN NECESSITIES
International classification
A63B21/005
HUMAN NECESSITIES
Abstract
A constant resistance exercise machine for sprint training or adaptation into exercise equipment having cyclical movements, preferably over a distance. The constant resistance exercise machine includes an exercise cable storage and feed reel, a constant tension spring motor, a resistance generating assembly, a flywheel, and an exercise cable. The constant tension spring motor is in operational communication with the exercise cable reel. The flywheel obtains a rotational resistance from the resistance generating assembly. The flywheel is in unidirectional rotational communication with the exercise cable reel via a one-way clutch bearing. The exercise cable is coiled about the exercise cable reel. The exercise cable is of a length that enables complete extraction of the cable from the exercise cable storage and feed reel and wherein the constant tension spring motor is arranged to retract a partially or completely extracted cable back onto the exercise cable reel.
Claims
1. A constant resistance exercise machine, comprising: an exercise cable storage and feed reel; a retraction mechanism in operational communication with the exercise cable storage and feed reel; an exercise cable coiled about the exercise cable storage and feed reel; a flywheel in unidirectional rotational communication with the exercise cable storage and feed reel by way of a one-way clutch bearing, and a resistance generating assembly providing rotational resistance to the flywheel, the resistance generating assembly comprising: a first resistance generating magnetically charged disc located on a first side of the flywheel, the first resistance generating magnetically charged disc comprising a first arrangement of magnetic segments; a second resistance generating magnetically charged disc located on a second, opposite side of the flywheel, the second resistance generating magnetically charged disc comprising a second arrangement of magnetic segments; wherein the first resistance generating magnetically charged disc and the second resistance generating magnetically charged disc are rotatable respective to one another, wherein a rotation of the first resistance generating magnetically charged disc and the second resistance generating magnetically charged disc respective to one another changes the arrangement between: (a) a configuration where like poles of the first arrangement of magnetic segments and the second arrangement of magnetic segments are facing one another and (b) a configuration where opposing poles of the first arrangement of magnetic segments and the second arrangement of magnetic segments are facing one another, wherein the exercise cable is of a length that enables complete extraction of the exercise cable from the exercise cable storage and feed reel, wherein the retraction mechanism is arranged to retract the exercise cable from an extracted condition back onto the exercise cable storage and feed reel.
2. The constant resistance exercise machine as recited in claim 1, wherein the retraction mechanism is a constant tension spring motor comprising: a constant tension spring motor output drum integrated into the constant resistance exercise machine enabling rotation about a output drum central axis; a constant tension spring motor storage drum integrated into the constant resistance exercise machine enabling rotation about a storage drum central axis; a constant tension spring motor spring having a first spring end and a second spring end, wherein the first spring end is attached to the constant tension spring motor output drum and the second spring end is attached to the constant tension spring motor storage drum, wherein a first portion of the constant tension spring motor spring is wound about the constant tension spring motor output drum in a first wound direction and a second portion of the constant tension spring motor spring is wound about the constant tension spring motor storage drum in a second wound direction, wherein the first wound direction and the second wound direction are opposite one another.
3. The constant resistance exercise machine as recited in claim 2, wherein one of the first spring end or the second spring end is attached to the respective one of the constant tension spring motor output drum or the constant tension spring motor storage drum via at least one of: (a) an aperture and a mechanical attachment element passing through the aperture, and (b) an attachment flange seated within a receiving attachment slot.
4. The constant resistance exercise machine as recited in claim 1, wherein the retraction mechanism is a constant tension spring motor.
5. The constant resistance exercise machine as recited in claim 1, the first arrangement of magnetic segments further comprising at least one pair of magnetic segments, wherein a first magnetic segment of each pair of the at least one pair of magnetic segments and a second magnetic segment of each pair of the at least one pair of magnetic segments are arranged having polarities oriented in opposite directions from one another; and the second arrangement of magnetic segments further comprising at least one pair of magnetic segments, wherein a first magnetic segment of each pair of the at least one pair of magnetic segments and a second magnetic segment of each pair of the at least one pair of magnetic segments are arranged having polarities oriented in opposite directions from one another.
6. The constant resistance exercise machine as recited in claim 1, the first arrangement of magnetic segments further comprising at least three pairs of magnetic segments, wherein a first magnetic segment of each pair of the at least three pairs of magnetic segments and a second magnetic segment of each pair of the at least three pairs of magnetic segments are arranged having polarities oriented in opposite directions from one another; and the second arrangement of magnetic segments further comprising at least three pairs of magnetic segments, wherein a first magnetic segment of each pair of the at least three pairs of magnetic segments and a second magnetic segment of each pair of the at least three pairs of magnetic segments are arranged having polarities oriented in opposite directions from one another.
7. The constant resistance exercise machine as recited in claim 1, further comprising a quick connect element assembled to a free end of the exercise cable, wherein the quick connect element is configured for securing the free end of the exercise cable to an exercising party.
8. A constant resistance exercise machine, comprising: an exercise cable storage and feed reel; a constant tension spring motor in operational communication with the exercise cable storage and feed reel; a resistance generating assembly; a flywheel obtaining rotational resistance from the resistance generating assembly, the flywheel in unidirectional rotational communication with the exercise cable storage and feed reel by way of a one-way clutch bearing; and an exercise cable coiled about the exercise cable storage and feed reel, wherein the exercise cable is of a length that enables complete extraction of the exercise cable from the exercise cable storage and feed reel, wherein the constant tension spring motor is arranged to retract the exercise cable from an extracted condition back onto the exercise cable storage and feed reel.
9. The constant resistance exercise machine as recited in claim 8, the resistance generating assembly further comprising: a first resistance generating magnetically charged disc located on a first side of the flywheel, the first resistance generating magnetically charged disc comprising a first arrangement of magnetic segments; a second resistance generating magnetically charged disc located on a second, opposite side of the flywheel, the second resistance generating magnetically charged disc comprising a second arrangement of magnetic segments; wherein the first resistance generating magnetically charged disc and the second resistance generating magnetically charged disc are rotatable respective to one another, wherein a rotation of the first resistance generating magnetically charged disc and the second resistance generating magnetically charged disc respective to one another changes the arrangement between: (a) a configuration where like poles of the first arrangement of magnetic segments and the second arrangement of magnetic segments are facing one another and (b) a configuration where opposing poles of the first arrangement of magnetic segments and the second arrangement of magnetic segments are facing one another.
10. The constant resistance exercise machine as recited in claim 9, the first arrangement of magnetic segments further comprising at least one pair of magnetic segments, wherein a first magnetic segment of each pair of the at least one pair of magnetic segments and a second magnetic segment of each pair of the at least one pair of magnetic segments are arranged having polarities oriented in opposite directions from one another; and the second arrangement of magnetic segments further comprising at least one pair of magnetic segments, wherein a first magnetic segment of each pair of the at least one pair of magnetic segments and a second magnetic segment of each pair of the at least one pair of magnetic segments are arranged having polarities oriented in opposite directions from one another.
11. The constant resistance exercise machine as recited in claim 9, the first arrangement of magnetic segments further comprising at least three pairs of magnetic segments, wherein a first magnetic segment of each pair of the at least three pairs of magnetic segments and a second magnetic segment of each pair of the at least three pairs of magnetic segments are arranged having polarities oriented in opposite directions from one another; and the second arrangement of magnetic segments further comprising at least three pairs of magnetic segments, wherein a first magnetic segment of each pair of the at least three pairs of magnetic segments and a second magnetic segment of each pair of the at least three pairs of magnetic segments are arranged having polarities oriented in opposite directions from one another.
12. The constant resistance exercise machine as recited in claim 8, wherein the constant tension spring motor comprises: a constant tension spring motor output drum integrated into the constant resistance exercise machine enabling rotation about a output drum central axis; a constant tension spring motor storage drum integrated into the constant resistance exercise machine enabling rotation about a storage drum central axis; a constant tension spring motor spring having a first spring end and a second spring end, wherein the first spring end is attached to the constant tension spring motor output drum and the second spring end is attached to the constant tension spring motor storage drum, wherein a first portion of the constant tension spring motor spring is wound about the constant tension spring motor output drum in a first wound direction and a second portion of the constant tension spring motor spring is wound about the constant tension spring motor storage drum in a second wound direction, wherein the first wound direction and the second wound direction are opposite one another.
13. The constant resistance exercise machine as recited in claim 12, wherein one of the first spring end or the second spring end is attached to the respective one of the constant tension spring motor output drum or the constant tension spring motor storage drum via at least one of: (a) an aperture and a mechanical attachment element passing through the aperture, and (b) an attachment flange seated within a receiving attachment slot.
14. A constant resistance exercise machine, comprising: an exercise cable storage and feed reel; a retraction mechanism in operational communication with the exercise cable storage and feed reel; an exercise cable coiled about the exercise cable storage and feed reel, a resistance generating assembly; and a flywheel obtaining rotational resistance from the resistance generating assembly, the flywheel in unidirectional rotational communication with the exercise cable storage and feed reel by way of a one-way clutch bearing, wherein the exercise cable is of a length that enables complete extraction of the exercise cable from the exercise cable storage and feed reel, wherein the retraction mechanism spring motor is arranged to retract the exercise cable from an extracted condition back onto the exercise cable storage and feed reel.
15. The constant resistance exercise machine as recited in claim 14, the resistance generating assembly further comprising: a first resistance generating magnetically charged disc located on a first side of the flywheel, the first resistance generating magnetically charged disc comprising a first arrangement of magnetic segments; a second resistance generating magnetically charged disc located on a second, opposite side of the flywheel, the second resistance generating magnetically charged disc comprising a second arrangement of magnetic segments; wherein the first resistance generating magnetically charged disc and the second resistance generating magnetically charged disc are rotatable respective to one another, wherein a rotation of the first resistance generating magnetically charged disc and the second resistance generating magnetically charged disc respective to one another changes the arrangement between: (a) a configuration where like poles of the first arrangement of magnetic segments and the second arrangement of magnetic segments are facing one another and (b) a configuration where opposing poles of the first arrangement of magnetic segments and the second arrangement of magnetic segments are facing one another.
16. The constant resistance exercise machine as recited in claim 15, the first arrangement of magnetic segments further comprising at least one pair of magnetic segments, wherein a first magnetic segment of each pair of the at least one pair of magnetic segments and a second magnetic segment of each pair of the at least one pair of magnetic segments are arranged having polarities oriented in opposite directions from one another; and the second arrangement of magnetic segments further comprising at least one pair of magnetic segments, wherein a first magnetic segment of each pair of the at least one pair of magnetic segments and a second magnetic segment of each pair of the at least one pair of magnetic segments are arranged having polarities oriented in opposite directions from one another.
17. The constant resistance exercise machine as recited in claim 15, the first arrangement of magnetic segments further comprising at least three pairs of magnetic segments, wherein a first magnetic segment of each pair of the at least three pairs of magnetic segments and a second magnetic segment of each pair of the at least three pairs of magnetic segments are arranged having polarities oriented in opposite directions from one another; and the second arrangement of magnetic segments further comprising at least one pair of magnetic segments, wherein a first magnetic segment of each pair of the at least three pairs of magnetic segments and a second magnetic segment of each pair of the at least three pairs of magnetic segments are arranged having polarities oriented in opposite directions from one another.
18. The constant resistance exercise machine as recited in claim 14, wherein the retraction mechanism is a constant tension spring motor comprising: a constant tension spring motor output drum integrated into the constant resistance exercise machine enabling rotation about a output drum central axis, a constant tension spring motor storage drum integrated into the constant resistance exercise machine enabling rotation about a storage drum central axis, and a constant tension spring motor spring having a first spring end and a second spring end, wherein the first spring end is attached to the constant tension spring motor output drum and the second spring end is attached to the constant tension spring motor storage drum, wherein a first portion of the constant tension spring motor spring is wound about the constant tension spring motor output drum in a first wound direction and a second portion of the constant tension spring motor spring is wound about the constant tension spring motor storage drum in a second wound direction, wherein the first wound direction and the second wound direction are opposite one another; an exercise cable coiled about the exercise cable storage and feed reel.
19. The constant resistance exercise machine as recited in claim 18, wherein one of the first spring end or the second spring end is attached to the respective one of the constant tension spring motor output drum or the constant tension spring motor storage drum via at least one of: (a) an aperture and a mechanical attachment element passing through the aperture, and (b) an attachment flange seated within a receiving attachment slot.
20. The constant resistance exercise machine as recited in claim 14, further comprising a quick connect element assembled to a free end of the exercise cable, wherein the quick connect element is configured for securing the free end of the exercise cable to an exercising party.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
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(17) In the figures, like reference numerals designate corresponding elements throughout the different views of the drawings.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
(18) The following detailed description is merely exemplary in nature and is not intended to limit the described embodiments or the application and uses of the described embodiments. As used herein, the word “exemplary” or “illustrative” means “serving as an example, instance, or illustration.” Any implementation described herein as “exemplary” or “illustrative” is not necessarily to be construed as preferred or advantageous over other implementations. All of the implementations described below are exemplary implementations provided to enable persons skilled in the art to make or use the embodiments of the disclosure and are not intended to limit the scope of the disclosure, which is defined by the claims. In other implementations, well-known features and methods have not been described in detail so as not to obscure the invention. For purposes of description herein, the terms “upper”, “lower”, “left”, “right”, “front”, “back”, “vertical”, “horizontal”, and derivatives thereof shall relate to the invention as oriented in
(19) The present invention is described as a constant resistance exercise machine 100, illustrated in
(20) The constant resistance exercise machine 100 is supported by a support structure. The support structure can be provided in any suitable arrangement. In the exemplary illustration, the support structure is provided as a constant resistance exercise machine base member 110, supporting a series of panels 111, 112, 113 extending substantially perpendicular to the constant resistance exercise machine base member 110. The series of panels 111, 112, 113 are supported by a constant resistance exercise machine forward support beam 114 and a constant resistance exercise machine rear support beam 115.
(21) The exercise cable storage and feed reel 190 includes a drum and a pair of flanges. Each flange is commonly arranged extending substantially radially from each respective end of the drum. A length of exercise cable 192 (
(22) One or more shaft clamps 122, 123, 125, 127 can be secured to the constant resistance exercise machine operating shaft 120. The one or more shaft clamps 122, 123, 125, 127 can be located to retain one or more components in an axial position on the shaft, retain the shaft in an axial position on the support structure, and the like or any combination thereof. Roller bearings, bushings, and the like can also be used to rotationally support the constant resistance exercise machine operating shaft 120.
(23) Alternatively, the exercise cable storage and feed reel 190 can be rotationally assembled to the constant resistance exercise machine operating shaft 120, where the constant resistance exercise machine operating shaft 120 is fixed respective to the support structure. In this configuration, the elements of the constant resistance exercise machine 100 would be assembled to one another in order to provide a transfer of torsional forces between the elements 130, 140, 160, 170, 190. For example, the exercise cable storage and feed reel 190 can be secured directly to at least one of the constant tension spring motor 170 and the one-way clutch assembly 160.
(24) In one assembly arrangement, the exercise cable storage and feed reel 190 can be assembled directly to the constant tension spring motor 170. More specifically, one flange of the exercise cable storage and feed reel 190 can be assembled directly to a constant tension spring motor assembly flange 178 of a constant tension spring motor storage drum 174 of the constant tension spring motor 170. In another arrangement the exercise cable storage and feed reel 190 can be assembled directly to the one-way clutch assembly 160. Although the drawings are not illustrated representing the arrangement, it is understood that the exercise cable storage and feed reel 190 can be assembled directly to the one-way clutch assembly 160. For example, the one-way clutch assembly 160 can include a flange. The flange of the one-way clutch assembly 160 would be secured to the respective flange of the exercise cable storage and feed reel 190.
(25) The one-way clutch assembly 160 can be assembly directly to an element of the adjustable magnetic resistance unit non-magnetic flywheel 140 or indirectly coupled to an element of the adjustable magnetic resistance unit non-magnetic flywheel 140 by any of a variety of arrangements. In the illustrated exemplary arrangement, the adjustable magnetic resistance unit non-magnetic flywheel 140 is coupled to an adjustable magnetic resistance unit drive pulley 139, which is in rotational engagement with the one-way clutch assembly 160 by a clutch drive element 169. The clutch drive element 169 is routed about the groove in the adjustable magnetic resistance unit drive pulley 139 and a groove in a pulley attached to an input side of the one-way clutch assembly 160. Tension can be applied to the clutch drive element 169 using any suitable tension adjusting configuration. The clutch drive element 169 can be a belt, an o-ring, a chain, or any other suitable arrangement. It is also understood that the one-way clutch assembly 160 and the adjustable magnetic resistance unit non-magnetic flywheel 140 can be operationally joined by a gear assembly.
(26) In another exemplary arrangement, the adjustable magnetic resistance unit non-magnetic flywheel 140 can be coupled to the one-way clutch assembly 160 by way of an input shaft. In yet another exemplary arrangement, the adjustable magnetic resistance unit non-magnetic flywheel 140 can be coupled to an associated flywheel shaft, where the flywheel shaft is either an input shaft of the one-way clutch assembly 160 or coupled to the input shaft of the one-way clutch assembly 160. In a configuration where the flywheel shaft and the one-way clutch input shaft are two different components, the flywheel shaft would be in rotational alignment with the input shaft of the one-way clutch assembly 160.
(27) The constant resistance exercise machine 100 is designed to provide a constant resistance to the exercise cable 192 when the exercise cable 192 is drawn from the exercise cable storage and feed reel 190. The constant resistance exercise machine 100 can be applied to any suitable exercise routine and/or exercise machine. One example is illustrated in
(28) The exercise cable 192 can be threaded through an aperture formed through a guide element. The guide element can be rotationally assembled to the support structure. This enables the user to rotate the guide element, thus defining a direction of disbursement of the exercise cable 192.
(29) The exercising party harness 199 can be designed to be secured to the exercising party 300 around the waist, the shoulders, the torso, or any suitable location on the exercising party 300.
(30) Returning to the structure and detailed operation of the constant resistance exercise machine 100, the exercise cable 192 can be a cording, a rope, a cabling, chain, monofilament, or any other flexible elongated component.
(31) Cording can be considered as a metallic wire, a metallic wire encased within an insulator, a string made of multiple strands twisted together, and the like.
(32) Ropes can be fabricated of common natural fibers, such as Manila hemp, hemp, linen, cotton, coir, jute, straw, and sisal. Synthetic fibers can be used for rope-making, whereby the synthetic fibers can include polypropylene, nylon, polyesters (for example: PET, LCP, Vectran), polyethylene (for example: Dyneema and Spectra), Aramids (for example: Twaron, Technora and Kevlar) and acrylics (for example: Dralon). Some ropes are constructed of mixtures of several fibers or use co-polymer fibers. Wire rope is made of steel or other metal alloys. Ropes have been constructed of other fibrous materials such as silk, wool, and hair, but such ropes are not generally available. Rayon is a regenerated fiber used to make decorative rope.
(33) The twist of the strands in a twisted or braided rope serves not only to keep a rope together, but enables the rope to more evenly distribute tension among the individual strands. Without any twist in the rope, the shortest strand(s) would always be supporting a much higher proportion of the total load.
(34) The rope can be laid rope or twisted rope, braided rope, plaited rope, endless winding rope, and the like.
(35) The cable can be nautical cable, wire rope, arresting cable, Bowden cable, flexible shaft cable, and the like.
(36) One end of the exercise cable 192 is preferably secured to the exercise cable storage and feed reel 190. The exercise cable 192 can be secured to the exercise cable storage and feed reel 190 in any suitable manner. For example, an attachment end of the exercise cable 192 can be secured to a drum of the exercise cable storage and feed reel 190. In another example, the attachment end of the exercise cable 192 can be secured to a flange of the exercise cable storage and feed reel 190. The quick connect element, such as the carabiner 194 or the exercising party harness 199 is secured to a free end of the exercise cable 192, as shown in
(37) The constant resistance exercise machine operating shaft 120 can be rotationally assembled to the support structure. The support structure can be provided in any suitable arrangement. The exemplary illustration includes a constant resistance exercise machine base member 110 that can be fabricated of any suitable planar sheet of material, a molded material, and the like. Feet 119 can be assembled to the constant resistance exercise machine base member 110 using any suitable assembly components and/or techniques. The constant resistance exercise machine pliant feet 119 are preferably fabricated of a resilient material, such as rubber, nylon, a soft plastic, and the like. The resiliency of the constant resistance exercise machine pliant foot 119 provides dampening to any motion generated during use of the constant resistance exercise machine 100. A mounting feature can be included in the constant resistance exercise machine pliant foot 119. The mounting feature provides an element for securing the constant resistance exercise machine 100 to an object, such as those previously described herein.
(38) The exemplary illustration includes a constant resistance exercise machine first outer support panel 111 and a constant resistance exercise machine second outer support panel 112 that are assembled to an upper or internal surface of the constant resistance exercise machine base member 110. Each of the constant resistance exercise machine first outer support panel 111 and the constant resistance exercise machine second outer support panel 112 are oriented being substantially perpendicular to the constant resistance exercise machine base member 110. Each of the constant resistance exercise machine first outer support panel 111 and the constant resistance exercise machine second outer support panel 112 can be fabricated of any suitable planar sheet of material, a molded material, and the like. Each of the constant resistance exercise machine first outer support panel 111 and the constant resistance exercise machine second outer support panel 112 can include features for assembly of the constant resistance exercise machine operating shaft 120, the constant tension spring motor 170, the adjustable magnetic resistance unit 130, and any other element thereto.
(39) The exemplary illustration includes a constant resistance exercise machine central support panel 113 that is also assembled to an upper or internal surface of the constant resistance exercise machine base member 110. The constant resistance exercise machine central support panel 113 would be located between the constant resistance exercise machine first outer support panel 111 and the constant resistance exercise machine second outer support panel 112. The constant resistance exercise machine central support panel 113 is oriented being substantially perpendicular to the constant resistance exercise machine base member 110. The constant resistance exercise machine central support panel 113 can be fabricated of any suitable planar sheet of material, a molded material, and the like. The constant resistance exercise machine central support panel 113 can include features providing clearance for and/or support to the constant resistance exercise machine operating shaft 120 or any other element thereto. In the exemplary illustration, a clearance aperture is provided through the constant resistance exercise machine central support panel 113, enabling passage of the constant resistance exercise machine operating shaft 120 therethrough. The primary function of the constant resistance exercise machine central support panel 113 is to centrally support the constant resistance exercise machine operating shaft 120 and provide an additional element to aid in retaining axial registration.
(40) The support panels 111, 112, 113 can be supported at a distal or upper edge by any suitable support structure. In the exemplary illustrations, the support panels 111, 112, 113 are supported at the distal or upper edge by a constant resistance exercise machine forward support beam 114 and a constant resistance exercise machine rear support beam 115. In an alternative arrangement, a panel can be assembled to the distal or upper edges of the support panels 111, 112, 113.
(41) The one-way clutch assembly 160 can be any suitable one-way clutch assembly. The one-way clutch assembly 160 can be directly or indirectly coupled to the adjustable magnetic resistance unit non-magnetic flywheel 140. The exemplary illustrations present an arrangement where the one-way clutch assembly 160 is indirectly coupled to the adjustable magnetic resistance unit non-magnetic flywheel 140. In the exemplary arrangement, the adjustable magnetic resistance unit non-magnetic flywheel 140 is assembled to an adjustable magnetic resistance unit axle 133 by an adjustable magnetic resistance unit axle nut 134, as shown in
(42) The one-way clutch assembly 160 is installed in an orientation to provide resistance to a rotational motion of the exercise cable storage and feed reel 190 when the exercise cable 192 is drawn from the exercise cable storage and feed reel 190 and to spin freely when the exercise cable 192 is being collected onto the drum of the exercise cable storage and feed reel 190. A constant resistance exercise machine operating central support panel shaft clamp 123 and a constant resistance exercise machine operating clutch assembly central shaft clamp 125 can be assembled to the constant resistance exercise machine operating shaft 120, wherein the constant resistance exercise machine operating central support panel shaft clamp 123 and the constant resistance exercise machine operating clutch assembly central shaft clamp 125 are located on opposite sides of the one-way clutch assembly 160. The constant resistance exercise machine operating central support panel shaft clamp 123 and constant resistance exercise machine operating clutch assembly central shaft clamp 125 are provided to retain the components in an axial position on the constant resistance exercise machine operating shaft 120 and or within the support structure of the constant resistance exercise machine 100.
(43) In an alternative arrangement, the one-way clutch assembly 160 and the adjustable magnetic resistance unit non-magnetic flywheel 140 (or a shaft of the adjustable magnetic resistance unit non-magnetic flywheel 140) can be directly coupled to one another. In this arrangement, the one-way clutch assembly 160 and the adjustable magnetic resistance unit non-magnetic flywheel 140 would be assembled in a coaxial arrangement.
(44) The adjustable magnetic resistance unit 130 provides rotational resistance to the adjustable magnetic resistance unit non-magnetic flywheel 140. Details of the adjustable magnetic resistance unit 130 and adjustable magnetic resistance unit non-magnetic flywheel 140 are presented in
(45) The adjustable magnetic resistance unit non-magnetic flywheel 140 is located between an adjustable magnetic resistance unit first magnetic resistance element 135 and an adjustable magnetic resistance unit second magnetic resistance element 145. The adjustable magnetic resistance unit first magnetic resistance element 135 is supported by an adjustable magnetic resistance unit first resistance adjustment disc 136. An adjustable magnetic resistance unit resistance spacing adjustment disc cam engaging flange 137 is formed centrally through the adjustable magnetic resistance unit first resistance adjustment disc 136. The adjustable magnetic resistance unit resistance spacing adjustment disc cam engaging flange 137 can be of any suitable shape, with the preferred shape of the adjustable magnetic resistance unit resistance spacing adjustment disc cam engaging flange 137 being a circle concentrically located with a peripheral edge of the adjustable magnetic resistance unit first magnetic resistance element 135. The adjustable magnetic resistance unit first resistance adjustment disc 136 can be rigidly fixed to an adjustable magnetic resistance unit first housing section 131 by any suitable assembly technique, including use of mechanical fasteners, a mechanical coupling, adhesive, and the like.
(46) Similarly, the adjustable magnetic resistance unit second magnetic resistance element 145 is supported by an adjustable magnetic resistance unit second resistance adjustment disc 146. An adjustable magnetic resistance unit resistance spacing adjustment disc cam engaging flange 147 is formed centrally through the adjustable magnetic resistance unit second resistance adjustment disc 146. The exemplary adjustable magnetic resistance unit resistance spacing adjustment disc cam engaging flange 147 includes a plurality of adjustable magnetic resistance unit resistance spacing adjustment disc cam clearances 147a for operational interaction with an adjustable magnetic resistance unit resistance spacing adjustment mechanism 143, as shown in
(47) The adjustable magnetic resistance unit non-magnetic flywheel 140 is fabricated having a peripheral edge 138. A plurality of alternating flywheel peripheral tabs 138a and respective notches 138b are arranged about the peripheral edge 138 of the adjustable magnetic resistance unit non-magnetic flywheel 140. An arched or radian dimension of each notch 138b and each respective tab 138a is preferably alike. The notches 138b have a designed depth inward from the adjustable magnetic resistance unit non-magnetic flywheel peripheral edge 138. The dimensions (radian dimension and depth) of the tabs 138a and notches 138b can be adjusted or tailored to modify resistance generated by the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145.
(48) The diameter of the adjustable magnetic resistance unit non-magnetic flywheel peripheral edge 138 can be greater than the diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit first resistance adjustment disc 136, substantially equal to the diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit first resistance adjustment disc 136, or less than the diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit first resistance adjustment disc 136.
(49) The depth of the adjustable magnetic resistance unit non-magnetic flywheel peripheral notch 138b can be to a distance that aligns a lower edge of the adjustable magnetic resistance unit non-magnetic flywheel peripheral notch 138b at: a. a depth to be proximate the diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit first resistance adjustment disc 136, b. a depth that is between an outer diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145 and an inner diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145, c. a depth that is between the outer diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145 and a median dimension between the outer diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145 and the inner diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145, d. a depth that is proximate the median dimension between the outer diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145 and the inner diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145, or e. a depth that is between the adjustable magnetic resistance unit second magnetic resistance element 145 and the median dimension between the outer diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145 and the inner diameter of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145 and the inner diameter of the adjustable magnetic resistance unit first magnetic resistance element 135.
(50) The adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145 are arranged having magnetically polarized segments. Using the adjustable magnetic resistance unit second magnetic resistance element 145 as an example to describe the magnetic arrangement of the adjustable magnetic resistance unit second magnetic resistance element 145 and the adjustable magnetic resistance unit second magnetic resistance element 145.
(51) The adjustable magnetic resistance unit second magnetic resistance element 145 is divided into 6 equally sized and shaped segments 240, 241, 242, 243, 244, 245, each being further identified by a suffix identifying a polarity of the segment. Each segment 240, 241, 242, 243, 244, 245 includes an axial magnetic orientation. Adjacently located segments are provided with opposite magnetic orientations. For example, the interior surface of the second magnetic disc polarity segment (0 degrees, interior side) 240 has a North polarity (identified as 240N) and the exterior surface of the second magnetic disc polarity segment (0 degrees, exterior side) 240 has a South polarity (identified as 240S). The segment located opposite (180 degrees) from the second magnetic disc polarity segment (0 degrees, interior side) 240 is identified as a second magnetic disc polarity segment (180 degrees, interior side) 241. The interior surface of the second magnetic disc polarity segment (180 degrees, interior side) 240 has a South polarity (identified as 241S) and the exterior surface of the second magnetic disc polarity segment (180 degrees, exterior side) 240 has a North polarity (identified as 240N). Essentially, each pair of segments (240, 241), (242, 243), and (244, 245) that are oriented 180 degrees from one another are arranged having opposite polarities.
(52) The adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145 are arranged to be opposing one another, with the adjustable magnetic resistance unit non-magnetic flywheel 140 being located between the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145, and preferably equidistant from each of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145. The adjustable magnetic resistance unit 130 is designed enabling a rotation 250 of the adjustable magnetic resistance unit second resistance adjustment disc 146 respective to the orientation of the adjustable magnetic resistance unit first resistance adjustment disc 136, as best shown in
(53) The opposite magnetic rings 135, 145 create a Lenz effect between the two interior surfaces. The Lenz effect creates a resistance to the adjustable magnetic resistance unit non-magnetic flywheel 140. The inclusion of the plurality of tabs 138a and notches 138b aid in the effectiveness of the Lenz effect upon the adjustable magnetic resistance unit non-magnetic flywheel 140.
(54) The resistance can be varied by rotating 250 the adjustable magnetic resistance unit second resistance adjustment disc 146 (which rotates the adjustable magnetic resistance unit second magnetic resistance element 145) respective to the adjustable magnetic resistance unit first resistance adjustment disc 136 (the adjustable magnetic resistance unit first magnetic resistance element 135). The resistance is lowest, in an orientation where like polarities (South-South or North-North) are facing one another, as illustrated in
(55) The inclusion of six (6) segments 230, 231, 232, 233, 234, 235 on the adjustable magnetic resistance unit first magnetic resistance element 135 and six (6) segments 240, 241, 242, 243, 244, 245 on the adjustable magnetic resistance unit second magnetic resistance element 145 are optimized to provide opposite polarities at 60 degree intervals, while providing a reasonable degree of rotation for adjusting the resistance. The resistance can be adjusted from lowest resistance to the highest resistance (or vice versa) with only a 60 degree rotation of the adjustable magnetic resistance unit second resistance adjustment disc 146. This also provides for a suitable variation in strength between the lowest resistance and the highest resistance.
(56) In addition to the resistance provided by the Lenz effect, the level of resistance can be modified by adjusting a span or distance between the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145. It would be preferable that the adjustable magnetic resistance unit non-magnetic flywheel 140 remains equidistant from and parallel with each of the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145.
(57) The adjustable magnetic resistance unit 130 can include an adjustable magnetic resistance unit first housing section 131 and an adjustable magnetic resistance unit second housing section 141. The adjustable magnetic resistance unit first housing section 131 and the adjustable magnetic resistance unit second housing section 141 are assembled to one another using any suitable assembly techniques. For example, the adjustable magnetic resistance unit first housing section 131 can include a series of adjustable magnetic resistance unit housing section assembly features 132. The adjustable magnetic resistance unit second housing section 141 can include a series of adjustable magnetic resistance unit housing section mating assembly features 142. Each adjustable magnetic resistance unit housing section assembly feature 132 and each respective adjustable magnetic resistance unit housing section mating assembly feature 142 are assembled to one another to join the adjustable magnetic resistance unit first housing section 131 and the adjustable magnetic resistance unit second housing section 141 to one another. The adjustable magnetic resistance unit housing section assembly features 132 and the adjustable magnetic resistance unit housing section mating assembly features 142 can be a series of pins and bores, where the pins would be inserted into the bores. The pins can be hollow, enabling insertion of a threaded fastener, such as a screw or bolt. It is understood that any suitable assembly configuration can be employed to assemble the adjustable magnetic resistance unit first housing section 131 and the adjustable magnetic resistance unit second housing section 141 to one another. The assembly method preferably enables disassembly of the adjustable magnetic resistance unit first housing section 131 and the adjustable magnetic resistance unit second housing section 141 for access to the internal components for servicing and repairs. Although the exemplary illustrations include a separate housing for the adjustable magnetic resistance unit 130, it is understood that the adjustable magnetic resistance unit does not have to be enclosed within a separate housing. The adjustable magnetic resistance unit can be enclosed in a housing shared with another component of the constant resistance exercise machine 100. It is also understood that the adjustable magnetic resistance unit does not have to be enclosed within a housing.
(58) An adjustable magnetic resistance unit resistance adjustment unit adjustment mechanism 149 can be included, wherein the adjustable magnetic resistance unit resistance adjustment unit adjustment mechanism 149 provides an adjustment capability to the adjustable magnetic resistance unit second magnetic resistance element 145. The adjustable magnetic resistance unit resistance adjustment unit adjustment mechanism 149 enables rotation of the adjustable magnetic resistance unit second magnetic resistance element 145 within the housing 131, 141. The adjustable magnetic resistance unit resistance adjustment unit adjustment mechanism 149 is accessible from an outside of the housing 131, 141. The adjustable magnetic resistance unit resistance adjustment unit adjustment mechanism 149 includes a biased element that is either frictionally retained or engages with features, such as bosses, located along an arched segment of a peripheral edge of the adjustable magnetic resistance unit second housing section 141. The bosses can be equally spaced along the arched segment of the peripheral edge of the adjustable magnetic resistance unit second housing section 141, as best shown in
(59) The adjustable magnetic resistance unit 130 can be enhanced by introducing a friction applying assembly. For example, a spring biased element can adjustably apply a frictional force to the peripheral edge and/or the planar surface of the non-magnetic flywheel 140. The spring biased element can be completely removed or separated from the non-magnetic flywheel 140 to eliminate any contribution of the frictional force resistance. This can be mechanically adjusted, electrically adjusted, and the like.
(60) A retracting mechanism retracts the exercise cable 192 when tension is removed from the exercise cable 192. The constant tension spring motor 170 provides a constant resistance when the exercise cable 192 is being withdrawn from the exercise cable storage and feed reel 190 and provides a function of a retracting mechanism when tension is removed from the exercise cable 192. Details of the constant tension spring motor 170 are presented in
(61) The end of the constant tension spring motor spring 180 defining the constant tension spring motor output or supply spring portion 182 can be retained in position and from unraveling on the constant tension spring motor output drum 172 by the spring tension alone. The end of the constant tension spring motor spring 180 defining the constant tension spring motor output or supply spring portion 182 can optionally be secured to the constant tension spring motor output drum 172 using any suitable attachment scheme. In one scheme, a mechanical attachment element (such as a screw, a clip, a pin, a hook, and the like) 185 is inserted through the constant tension spring motor supply spring attachment assistance aperture 184 located proximate an end of the constant tension spring motor output or supply spring portion 182 of the constant tension spring motor spring 180. The attachment scheme is not shown, as the illustrations present a configuration where the constant tension spring motor output or supply spring portion 182 is wound about the constant tension spring motor output drum 172.
(62) The end of the constant tension spring motor spring 180 defining the constant tension spring motor collected spring portion 186 is secured to the constant tension spring motor storage drum 174 using any suitable attachment scheme. In the exemplary illustrated scheme, each of a pair of constant tension spring motor supply spring attachment flange 183 is inserted into a respective constant tension spring motor supply spring attachment slot 176 formed through an outer edge of a flange of the constant tension spring motor storage drum 174, as shown in
(63) The constant tension spring motor assembly flange 178 is secured to either the constant resistance exercise machine operating shaft 120 or a component of the exercise cable storage and feed reel 190, such as the flange, as best shown in
(64) The constant tension spring motor 170 can be of other configurations. For example, the constant tension spring motor 170 can include more than one constant tension spring motor spring 180. Two or more constant tension spring motor output drums 172 can feed a single constant tension spring motor storage drum 174. In a second configuration, the constant resistance exercise machine 100 can employ two or more constant tension spring motors 170.
(65) In use, a length of the exercise cable 192 is spooled onto the exercise cable storage and feed reel 190. A free end of the exercise cable 192 is secured to a moving object, such as a sprinter, a component of an exercise machine, and the like. One exemplary application is presented in
(66) As a length of exercise cable 192 is removed from the exercise cable storage and feed reel 190, the exercise cable storage and feed reel 190 rotates. As length of the exercise cable 192 is removed from the exercise cable storage and feed reel 190, the rotation of the exercise cable storage and feed reel 190 receives a resistance force from the adjustable magnetic resistance unit non-magnetic flywheel 140 and from the constant tension spring motor 170.
(67) Details of the operation of the adjustable magnetic resistance unit non-magnetic flywheel 140 are provided as follows. The rotation of the exercise cable storage and feed reel 190 causes the one-way clutch assembly 160 to rotate. The one-way clutch assembly 160 only transfers a rotational motion to the adjustable magnetic resistance unit non-magnetic flywheel 140 when the one-way clutch assembly 160 is rotating in a direction where the exercise cable 192 is being extracted from the exercise cable storage and feed reel 190. When the exercise cable 192 is being collected onto the exercise cable storage and feed reel 190, the one-way clutch assembly 160 is designed to spin independently from the adjustable magnetic resistance unit non-magnetic flywheel 140. As the adjustable magnetic resistance unit non-magnetic flywheel 140 rotates, the adjustable magnetic resistance unit first magnetic resistance element 135 and the adjustable magnetic resistance unit second magnetic resistance element 145 provide a resistance based upon a Lenz effect. The level of rotational resistance applied to the adjustable magnetic resistance unit non-magnetic flywheel 140 can be adjusted by changing the rotated orientation of the magnetic segments 240, 241, 242, 243, 244, 245 of the adjustable magnetic resistance unit second magnetic resistance element 145 respective to the orientation of the magnetic segments 230, 231, 232, 233, 234, 235 of the adjustable magnetic resistance unit first magnetic resistance element 135. The resistance is lowest, in an orientation where like polarities (South-South or North-North) are facing one another, as illustrated in
(68) Tension applied to the exercise cable 192 causes the exercise cable storage and feed reel 190 to rotate. The rotation of the exercise cable storage and feed reel 190 drives a rotation of the constant tension spring motor storage drum 174. As the constant tension spring motor storage drum 174 rotates, the constant tension spring motor storage drum 174 transfers the constant tension spring motor output or supply spring portion 182 portion of the constant tension spring motor spring 180 from the constant tension spring motor output drum 172 to the constant tension spring motor storage drum 174, wherein the collected portion of the constant tension spring motor spring 180 is identified as the constant tension spring motor collected spring portion 186 of the constant tension spring motor spring 180. The exercise cable storage and feed reel 190 can be coupled directly to the constant tension spring motor storage drum 174 by way of the constant tension spring motor assembly flange 178 or coupled indirectly by way of the constant resistance exercise machine operating shaft 120. As the constant tension spring motor spring 180 transfers material from the constant tension spring motor output drum 172 (spooled as the constant tension spring motor output or supply spring portion 182) to the constant tension spring motor storage drum 174 (spooled as the constant tension spring motor collected spring portion 186), energy is collected in the constant tension spring motor spring 180. The energy generates a resistance that is transferred to the rotational motion of the exercise cable storage and feed reel 190.
(69) When the tension is removed from the exercise cable 192, the energy within the constant tension spring motor spring 180 causes the constant tension spring motor collected spring portion 186 to return from the constant tension spring motor storage drum 174 (spooled as the constant tension spring motor collected spring portion 186) to the constant tension spring motor output drum 172 (spooled as the constant tension spring motor output or supply spring portion 182). This causes the constant tension spring motor storage drum 174 to rotate in an opposite direction. The opposite rotation of the constant tension spring motor storage drum 174 rotates the exercise cable storage and feed reel 190 in a direction collecting the drawn length of the exercise cable 192. The rotation of the exercise cable storage and feed reel 190 also causes the one-way clutch assembly 160 to rotate. Since the one-way clutch assembly 160 only transfers the rotation to the adjustable magnetic resistance unit non-magnetic flywheel 140 in a single rotational direction, the rotation of the one-way clutch assembly 160 while the system collects the exercise cable 192 does not transfer any rotation to the adjustable magnetic resistance unit non-magnetic flywheel 140.
(70) The advantage of the constant resistance exercise machine 100 over other types of devices is that the constant tension spring motor 170 provides a constant resistance over an extended length of the exercise cable 192. A gearing can be integrated between the constant tension spring motor storage drum 174 and the exercise cable storage and feed reel 190 to support an exercise cable 192 of even longer lengths. The exercise cable 192 can be up to 10 feet, up to 15 feet, up to 20 feet, up to 25 feet, up to 50 feet, up to 75 feet, up to 100 feet, or longer than 100 feet in length. The length of the exercise cable 192 would be determined by the application of the constant resistance exercise machine 100.
(71) The constant resistance exercise machine 100 can be adapted for utilization for exercising animals (such as pets, livestock, pari-mutuel animals, and any other animal) as well as people.
(72) Although the above provides a full and complete disclosure of the preferred embodiments of the invention, various modifications, combinations, alternate constructions and equivalents will occur to those skilled in the art. It is intended that all matters in the foregoing description and shown in the accompanying drawings be interpreted as illustrative and not in a limiting sense. Therefore the above should not be construed as limiting the invention, which is defined by the appended claims and their legal equivalence.
ELEMENT DESCRIPTION REFERENCES
(73) Ref No. Description 100 constant resistance exercise machine 110 constant resistance exercise machine base member 111 constant resistance exercise machine first outer support panel 112 constant resistance exercise machine second outer support panel 113 constant resistance exercise machine central support panel 114 constant resistance exercise machine forward support beam 115 constant resistance exercise machine rear support beam 119 constant resistance exercise machine pliant foot 120 constant resistance exercise machine operating shaft 122 constant resistance exercise machine operating outer support panel shaft clamp 123 constant resistance exercise machine operating central support panel shaft clamp 125 constant resistance exercise machine operating clutch assembly central shaft clamp 127 constant resistance exercise machine operating clutch assembly exterior shaft clamp 130 adjustable magnetic resistance unit 131 adjustable magnetic resistance unit first housing section 132 adjustable magnetic resistance unit housing section assembly feature 133 adjustable magnetic resistance unit axle 134 adjustable magnetic resistance unit axle nut 135 adjustable magnetic resistance unit first magnetic resistance element 136 adjustable magnetic resistance unit first resistance adjustment disc 137 adjustable magnetic resistance unit resistance spacing adjustment disc cam engaging flange 138 adjustable magnetic resistance unit non-magnetic flywheel peripheral edge 138a adjustable magnetic resistance unit non-magnetic flywheel peripheral tab 138b adjustable magnetic resistance unit non-magnetic flywheel peripheral notch 139 adjustable magnetic resistance unit drive pulley 140 adjustable magnetic resistance unit non-magnetic flywheel 141 adjustable magnetic resistance unit second housing section 142 adjustable magnetic resistance unit housing section mating assembly feature 143 adjustable magnetic resistance unit resistance spacing adjustment mechanism 144 adjustable magnetic resistance unit resistance spacing adjustment mechanism cam surface 145 adjustable magnetic resistance unit second magnetic resistance element 146 adjustable magnetic resistance unit second resistance adjustment disc 147 adjustable magnetic resistance unit resistance spacing adjustment disc cam engaging flange 147a adjustable magnetic resistance unit resistance spacing adjustment disc cam clearance a 148 adjustable magnetic resistance unit non-magnetic flywheel aperture 149 adjustable magnetic resistance unit resistance adjustment unit adjustment mechanism 160 one-way clutch assembly 168 one-way clutch bearing pulley 169 clutch drive element (belt, gear, direct connection, etc) 170 constant tension spring motor 172 constant tension spring motor output drum 173 constant tension spring motor output drum axle 174 constant tension spring motor storage drum 175 constant tension spring motor storage drum axle 176 constant tension spring motor supply spring attachment slot 178 constant tension spring motor assembly flange 180 constant tension spring motor spring 182 constant tension spring motor output or supply spring portion 183 constant tension spring motor supply spring attachment flange 184 constant tension spring motor supply spring attachment assistance aperture 186 constant tension spring motor collected spring portion 190 exercise cable storage and feed reel 192 exercise cable 194 quick connect element (example being a carabiner) 196 carabiner spine and basket 197 carabiner gate 199 exercising party harness 230N first magnetic disc polarity segment (0 degrees, interior side, North polarity) 230S first magnetic disc polarity segment (0 degrees, exterior side, South polarity) 231N first magnetic disc polarity segment (180 degrees, exterior side, North polarity) 231S first magnetic disc polarity segment (180 degrees, interior side, South polarity) 232N first magnetic disc polarity segment (60 CC degrees, exterior side, North polarity) 232S first magnetic disc polarity segment (60 CC degrees, interior side, South polarity) 233N first magnetic disc polarity segment (120 CW degrees, interior side, North polarity) 234S first magnetic disc polarity segment (120 CC degrees, exterior side, South polarity) 235S first magnetic disc polarity segment (60 CW degrees, interior side, South polarity) 240N second magnetic disc polarity segment (0 degrees, interior side, North polarity) 240S second magnetic disc polarity segment (0 degrees, exterior side, South polarity) 241N second magnetic disc polarity segment (180 degrees, interior side, North polarity) 241S second magnetic disc polarity segment (180 degrees, exterior side, South polarity) 242N second magnetic disc polarity segment (60 CC degrees, interior side, North polarity) 242S second magnetic disc polarity segment (60 CC degrees, exterior side, South polarity) 243N second magnetic disc polarity segment (120 CW degrees, interior side, North polarity) 244N second magnetic disc polarity segment (120 CC degrees, exterior side, South polarity) 244S second magnetic disc polarity segment (120 CC degrees, interior side, North polarity) 245S second magnetic disc polarity segment (60 CW degrees, exterior side, South polarity) 250 second magnetic disc rotation 300 exercising party