Lifting attachment for floor jack

Abstract

Method and apparatus for an adapter designed to be placed onto the upper portion of the saddle of a floor jack or other related lifting device. The adapter has two forwardly extending lifting arms thereon which lifting arms can be placed underneath a wheel so as to lift the wheel of the vehicle or related device such as a motorcycle. The adapter is designed to have left and right, angle iron frame members such that the inwardly extending flanges of the angel iron frame members receive and cradle the saddle of the floor jack therein. The adapter has front and rear locking rods which are used to lock the adapter onto the upper surface of the saddle of the floor jack. A plurality of apertures are provided in the adapter for adjusting the width of the locking rods so that the adapter can be used with a variety of sizes of saddles of the floor jack.

Claims

1. An adapter for attachment to a saddle of a lifting device for lifting a wheel of a vehicle, comprising: (a) a semi-enclosed receptacle with a rear opening for horizontally receiving the saddle therein, said receptacle defined by a top plate, left and right side members, left and right lower members and a front member disposed on a front end of said receptacle, extending from said left side member to said right side member, said rear opening being at an opposite end of said receptacle from said front member, and being large enough for receiving said saddle; (b) a front locking member for removably securing the adapter to a front portion of the saddle and a rear locking member for removably securing the adapter to a rear portion of the saddle when said saddle is within said receptacle; (c) left and right lifting arms disposed on said front member for contacting and lifting the wheel of the vehicle; and (d) whereas said saddle slides horizontally into said adapter when required for lifting said wheel and out of said adapter when not required for lifting said wheel.

2. The adapter of claim 1, wherein the distance between said front and rear locking members is adjustable.

3. The adapter of claim 1, wherein the distance between said left and right lifting arms is adjustable.

4. The adapter of claim 1, wherein said left side member and said left lower member is made of a single piece of angle iron.

5. The adapter of claim 1, wherein said right side member and said right lower member is made of a single piece of angle iron.

6. The adapter of claim 1, further comprising a locking screw for securing said top plate to an upper surface of the saddle.

7. The adapter of claim 1, wherein said top plate rests on an upper surface of the saddle.

8. The adapter of claim 1, wherein said left and right lower members support an underside of the saddle.

9. The adapter of claim 1, wherein each said left and right lifting arm comprises a component which is rotatable about its longitudinal central axis to allow for rotation of said wheel while in contact with said left and right lifting arms.

10. The adapter of claim 1, in which said vehicle is a motorcycle.

11. A method of making and using an adapter for attachment to a saddle of a lifting device for lifting a wheel of a vehicle, comprising the steps of: (a) providing a semi-enclosed receptacle for receiving the saddle therein, the receptacle defined by a top plate, left and right side members, left and right lower members and a front member disposed on a front end of the left and right side member, and a rear opening for receiving said saddle; (b) using a front locking member for removably securing the adapter to a front portion of the saddle and a rear locking member for removably securing the adapter to a rear portion of the saddle when said saddle is within said receptacle; (c) disposing left and right lifting arms on the front member for contacting the wheel of the vehicle; and (d) sliding said saddle horizontally into said adapter through said rear opening when required for lifting said wheel and out of said adapter when not required for lifting said wheel.

12. The method of claim 11, wherein the distance between the front and rear locking members is adjustable.

13. The method of claim 11, wherein the distance between the left and right lifting arms is adjustable.

14. The method of claim 11, wherein the left side member and the left lower member is made of a single piece of angle iron.

15. The method of claim 11, wherein the right side member and the right lower member is made of a single piece of angle iron.

16. The method of claim 11, further comprising the step of providing a locking screw for securing the top plate to an upper surface of the saddle.

17. The method of claim 11, wherein the top plate rests on an upper surface of the saddle.

18. The method of claim 11, wherein the left and right lower members support an underside of the saddle.

19. The method of claim 11, further comprising the step of rotating the wheel while being supported on each left and right lifting arm.

20. The method of claim 11, in which said vehicle is a motorcycle.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) In order that the invention may be more fully understood, it will now be described, by way of example, with reference to the accompanying drawings in which:

(2) FIG. 1 is a perspective view of the present invention.

(3) FIG. 2 is a rear elevation view of the present invention.

(4) FIG. 3 is a plan view of the present invention.

(5) FIG. 4 is a bottom view of the present invention.

(6) FIG. 5 is a left side elevation view of the present invention.

(7) FIG. 6 is a front elevation view of the present invention.

(8) FIG. 7 is a rear elevation view of the present invention.

(9) FIG. 8 is a side elevation view of a portion of the present invention.

LIST OF REFERENCE NUMERALS

(10) With regard to reference numerals used, the following numbering is used throughout the drawings. 10 present invention 12 floor jack 14 handle 16 base of frame 18 wheel 20 saddle 22 top edge of saddle 24 upper lifting arm 26 lower lifting arm 28 left angle iron frame member 30 right angle iron frame member 32 top plate 34 semi-enclosed cavity 36 left flange 38 right flange 40 front member 41 end cap 42 left upright member 44 right upright member 46 front cross member 48 left lifting arm 50 right lifting arm 52 tire 54 wheel 56 tread 58 left end cap 60 right end cap 62 left aperture 64 right aperture 66 left fastener 68 right fastener 70 front locking rod 72 rear locking rod 73 cotter pin 74 handle 76 aperture 78 locking screw 80 nut 82 outer tube 84 roller bearing 86 washer

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

(11) The following discussion describes in detail at least one embodiment of the present invention. This discussion should not be construed, however, as limiting the present invention to the particular embodiments described herein since practitioners skilled in the art will recognize numerous other embodiments as well. For a definition of the complete scope of the invention the reader is directed to the appended claims. FIGS. 1 through 8 illustrate the present invention wherein an adapter for use with a floor jack is disclosed and which is generally indicated by reference number 10.

(12) Turning to FIGS. 1-8, therein is shown the present invention 10 proximate to a floor jack 12 or related device having a handle 14 thereon along with a supporting frame member having a base 16 supported on a plurality of ground contacting wheels 18 which allow the floor jack 12 to be rolled about upon a supporting surface such as a floor along with a saddle 20 having a top edge 22 thereon disposed on an upper lifting arm 24 and a lower lifting arm 26. The present invention 10 provides an adapter for placement onto the saddle 20 of the floor jack 12 wherein the adapter 10 has a left and right angle iron frame member 28, 30 generally forming a left and right wall of the adapter 10 having a top plate 32 which extends across an upper surface joining the left and right angle iron frame members 28, 30 together so that a semi-enclosed cavity 34 is formed between the left and right angle iron frame members for receiving the saddle 20 of the floor jack 12 therein. The adapter 10 also comprises left and right flanges, 36, 38 and it should be clear that the left and right angle iron frame members may be formed from sections of angle iron or the like which provide the left and right flanges 36, 38. A front member 40 is provided on the front of the left and right angle iron frame members 28, 20 for attachment to left and right upright members 42, 44 which are used for joining the frame members 28, 30 to the front cross member 46 to which cross member are attached the left and right lifting arms, 48, 50. The left and right lifting arms 48, 50 are used for placement underneath the tire 52 which is secured on a wheel 54 in the standard manner wherein the lifting arms 48, 50 make direct contact with the tread 56 of the tire so that the tire and wheel assembly can be lifted by the adapter 10. Also shown are left and right end caps 58, 60 which are placed on the ends of the corresponding left and right lifting arms 48, 50 to prevent the tire 52 from sliding off of the left and right lifting arms 48 50. A plurality of left and right apertures 62, 64 are also provided for receiving the rear ends of the left and right lifting arms 48, 50 so that the horizontal distance between the left and right lifting arms can be adjusted for accommodating different sizes of tires 52 and wheels 54. Also shown are left and right fasteners 66, 68 for joining the left and right lifting arms 48, 50 to the front cross member 46. It should be noted that the left and right lifting arms 48, 50 each have a rotational component about their central axis so that the wheel 54 can be rotated while being supported by the left and right lifting arms 48, 50; this rotational feature is shown by the arrows drawn about each of the left and right lifting arms (See FIG. 6). Also shown are front and rear 70, 72 locking rods each having a handle 74 thereon which locking rods can be placed in a user selectable series of apertures 76 disposed on the left and right angle iron frame members 28, 30 so as to capture the front and rear edges of the saddle 20 therein between the locking rods so that the saddle is firmly and securely removably held inside the adapter 10 of the present invention. Also shown is a locking screw 78 disposed in a threaded throughbore in the top plate 32 so that the tip of screw 78 can be adjustably tightened to contact and additionally secure the saddle 20 to the adapter 10 of the present invention. A nut 80 (See FIG. 2) having mating threads may be used to fasten the screw 78 to the top plate 32. Due to the fact that the front member 40, the left and right upright number 42, 44, and the front cross member 46 may be made of either round, square, or rectangular hollow tubing being open on its ends an end cap 41 is shown on the ends of each of these members.

(13) Turning to FIG. 8, therein is shown the left lifting arm 48 having a rotating outer tube 82 thereon which outer tube rotates on front and rear roller bearings 84 so that when the lifting arm 48 is placed underneath a wheel 54 the wheel can be rotated on the rotating outer tubes when in a position of being supported such as shown in FIG. 2. Also shown is the front cross member 46 and an end cap 41 along with end cap 58 on the left lifting arm 48. Also shown are a pair of washes 86 as would be used in the conventional manner to help in attaching the lifting arm 48 to the front cross member 46.

(14) Left and right side designations regarding the present invention 10 are interpreted from the view of one standing at the handle 14 and facing forwardly, i.e., toward the tire 56. Also, lines with arrowheads are sometimes placed on drawings to indicate potential motion or direction of movement of an item illustrated in the drawing.