Serrated beach pole with fins, sleeve and rotation and fixation lever

Abstract

A beach umbrella comprises a lower pole section and separate upper pole section with a canopy. The pole sections may be connected by inserting the lower end of the upper section into a sleeve on the upper end of the lower section. The sleeve includes a hinged lever arm that may be positioned to permit manual rotation of the lower section to bore the lower pole securely into the soil and thereby permit coupling of the upper section to the lower section positioned in the ground. The lower end of the lower section includes a hollow tubular sleeve with outwardly projecting fins or blades to bore into the soil when the lower pole section is rotated and axially projecting teeth to pierce the sand.

Claims

1. A beach umbrella comprising, in combination: a center pole including a lower pole part with a vertical axis, a lower end and an upper end having a first diameter, said center pole further including a separate upper pole part with a lower end and an upper end, said upper pole part lower end attachable to the upper end of the lower pole part, and a canopy supported on the upper end of the upper pole part; said lower pole part lower end shaped to facilitate penetrating soil or sand by rotary motion of the lower pole part about the vertical axis; said upper end of the lower pole part comprising a hollow coupling sleeve mounted on the upper end of the lower pole part, said coupling sleeve sized to receive the lower end of the upper pole part, said coupling sleeve including first and second slits on opposing upper sides of the coupling sleeve, said slits aligned, said coupling sleeve further including a lever arm with a first outer end and a second end pivotally attached by a hinge to a side of the coupling sleeve for pivotal movement from a first position disengaged from the slits to a second position of engagement with the first and second slits positioned in the coupling sleeve, said lever arm sized to block positioning the lower end of the upper pole parst in the hollow coupling sleeve and with the second end of the lever arm extending outwardly from the coupling sleeve to enable rotary movement of the lower pole part by the lever arm about the vertical axis to penetrate the lower end of the lower pole part into said and soil.

2. The beach umbrella of claim 1 further including a knob on the outer end of the lever arm.

3. The beach umbrella of claim 2 wherein said knob is rotatably attached to the second part of the lever arm and mounted on the lever arm for rotation about a knob axis generally parallel to the vertical axis in the first position of the lever arm.

4. The beach umbrella of claim 2 further including a second sleeve rotatably mounted on said upper end of said lower pole part vertically located intermediate the coupling sleeve and the lower end of the lower pole part.

5. The beach umbrella of claim 2 wherein the first position of the lever arm is configured to engage the upper pole part for locking the upper pole part to the coupling sleeve.

6. The beach umbrella of claim 2 wherein the lower end of the lower pole part comprises one or more propeller blades.

7. The beach umbrella of claim 3 further including a second sleeve rotatably mounted on said upper end of said lower pole part vertically located intermediate the coupling sleeve and the lower end of the lower pole part.

8. The beach umbrella of claim 3 wherein the first position of the lever arm is configured to engage the upper pole part for locking the upper pole part to the coupling sleeve.

9. The beach umbrella of claim 3 wherein the lower end of the lower pole part comprises one or more propeller blades.

10. The beach umbrella of claim 1 further including a second sleeve rotatably mounted on said upper end of said lower pole part vertically located intermediate the coupling sleeve and the lower end of the lower pole part.

11. The beach umbrella of claim 1 wherein the first position of the lever arm is configured to engage the upper pole part for locking the upper pole part to the coupling sleeve.

12. The beach umbrella of claim 1 wherein the lower end of the lower pole part comprises one or more propeller blades.

13. The beach umbrella of claim 1 further including a knob on the outer end of the lever arm wherein said knob is rotatably attached to the second part of the lever arm and mounted on the lever arm for rotation about a knob axis generally parallel to the vertical axis in the first position of the lever arm, said beach umbrella further including a second sleeve rotatably mounted on said upper end of said lower pole part vertically located intermediate the coupling sleeve and the lower end of the lower pole part, wherein the first position of the lever arm is configured to engage the upper pole part for locking the upper pole part to the coupling sleeve, and wherein the lower end of the lower pole part comprises one or more propeller blades.

Description

BRIEF DESCRIPTION OF DRAWINGS

(1) In the description which follows, reference will be made to the drawing comprised of the following figures:

(2) FIG. 1 is a perspective view of an embodiment of the beach umbrella 100 of the invention with a vertical center support pole 302 comprised of a lower pole section or part 200, for placement in sand, and an upper pole section or part 300 connectable to the lower part 200 and supporting an umbrella canopy 360;

(3) FIG. 2A is a vertical side view of a lower end 212 of the lower part 200 of the center pole 302 depicting a hollow sleeve 240 with a bottom opening 201 with propeller shaped blades 202 and teeth 203;

(4) FIG. 2B is a perspective view of the lower end 212 with blades 202 and teeth 203 projecting from the lower wall opening of the hollow sleeve 240 depicted in FIG. 2A;

(5) FIG. 2C is a further perspective view of the hollow sleeve 240 of FIG. 2A a bottom opening 201 and outer wall with blades 202 and teeth 203;

(6) FIG. 2D is a perspective view of FIG. 2A viewed toward the hollow sleeve opening 201 at the lower end 212 of the lower pole part 200 with blades or fins 202 and teeth 203;

(7) FIG. 3 is a perspective view of the upper end 210 of the lower pole part 200 of the center pole 302 depicting a lever arm 220 attached by a hinge 228 to a hollow sleeve 214 with slits 226, 227 affixed at the upper end 210 of the lower pole part 200 of the center pole 302;

(8) FIG. 4A is a side elevation of the upper end 210 of the lower part 200 of the center pole 302 with a lever arm 220 pivotally hinged by a hinge 228 to engage slits 226, 227 in the hollow sleeve 214;

(9) FIG. 4B is a top perspective view of FIG. 4A depicting the lever arm 220 in the slits 226, 227 of the sleeve 214 attached at the upper end 210 of the lower part 200 of the center pole 302;

(10) FIG. 5 is a side elevation view of the upper end 210 of the lower part 200 of the center pole 302 depicting a rotatable sleeve 230 located on the upper end 210 of the lower part 200 of the pole 302 below the attached sleeve 214 with the slits 226, 227 depicted in FIGS. 4A and 4B;

(11) FIG. 6A is a side elevation view of the lever arm 220 pivoted on hinge 228 out of engagement with the slots 226, 227 depicted in FIGS. 4A and 4B and positioned to permit insertion of lower end 320 of upper pole part 300 of the center pole 302 in the lower pole part 200 hollow sleeve 214; and

(12) FIG. 6B is a side elevation of the lever arm 220 of FIG. 6A pivoted against the lower pole part 200 of center pole 302 with the lower end 320 of the upper part 300 of the pole 302 inserted into the sleeve 214.

DETAILED DESCRIPTION OF AN EMBODIMENT OF THE INVENTION

(13) An embodiment of the invention comprises serrated teeth 203 and finned propeller shaped blades 202 as elements fixed to lower part 200 hollow sleeve 240 of each umbrella center pole 302. The internal part of the sleeve 240 which is hollow so that the sand can flow in sleeve 240. A central hole or opening 301 in the lower part sleeve 240 of the pole lower part 200 will have a diameter of about 20 mm and wall diameter about 1 mm narrower, so that the sand can flow without any friction, and thus will allow the sand to be penetrated with reduced friction.

(14) The sleeve 240 will be equipped with two side fins 202, in the shape of two small propellers 202, tilted about 20 with respect to the vertical axis 208, placed on the external part of sleeve 240 immediately above the serrated teeth element 203. The fins 202 will have a thinner front part 205 in the shape of a propeller. This device requires minimum penetration effort with maximum results. Finally, two small axial teeth 203 will help sand perforation. (FIGS. No. 2A, 2B, 2C and 2D).

(15) The function via a lever arm 220 positioned on a fixed hollow sleeve 214 on the upper end part 210 of the lower part 200 of the pole 302 and equipped with a rotary knob 30. The lever arm 220 has the double purpose of enabling the rotation of the lower pole part 200 by its screwing and subsequently the locking of the upper part 300 of the umbrella canopy 360. The system enables the operation of this element, since in order to perform a rotary effort, without creating either breaking or bending. The lever arm 320 is supported by the slots of the hollow sleeve 214 opposite the hinge and to which the lever arm 220 is fixed.

(16) As a matter of fact, the longitudinal slits 226, 227 in the pole sleeve 214 (FIG. 3), enable the rotation of lever arm 226, in the working position for penetration to be achieved excellently when working against resistance to rotation of pole part 200 (FIG. 4A, FIG. 4B).

(17) Equipping e top upper part 210 of the lower pole part 200 of the pole 302, a part immediately below the lever arm sleeve, with a sleeve 230 free to rotate around the pole lower part 200, permits a gripping function at the time of rotation, during the penetration of the pole lower part 200 itself. This will allow a free rotation of the sleeve 230 and will also facilitate its holding during the free rotation when placing the lower pole 200. (FIG. 5)

(18) Method of Use:

(19) Prepare the lower part sleeve 240 of the lower pole part 200 for rotation by placing lever arm 220 in the working position (FIG. 4A, FIG. 4B) and hold the sleeve 230 with the other hand (FIG. 5). Perform a rotation enabling the penetration of the pole part 200 into the sand.

(20) Placement will be very fast.

(21) Next set the lever arm 220 in the open position (FIG. 6A), on the hinge 228. Insert the top part 300 of the umbrella pole 302 in the upper sleeve 214 of the lower part 200 of the pole. Then set the lever arm 220 in the locking position (FIG. 6B). The beach umbrella 100 will be firmly anchored to the ground.

(22) When removing the umbrella 100, the operation will be exactly the same except that the rotation, of course, must be performed in the opposite direction.

(23) When placing the umbrella 100 on different soils the same operation must be performed.

(24) This invention is valuable because the variants of the umbrella 100 are very low cost.

(25) It greatly facilitates placement operations especially for the elderly, ladies and children.

(26) It strongly opposes the action of the wind since the two lateral fins 202 included in the lower end 240 of the pole 200 prevent its pulling out. So the pole 300 will remain firmly anchored to the ground.

(27) Following is a listing of the component parts of the beach umbrella embodiments: 30 knob on lever arm 220 100 beach umbrella 200 lower pole part of center pole 300 201 center hole opening in hollow sleeve 240 202 propeller shaped blades 203 teeth 205 front end part of fin or blade 208 axis of center hole opening 201 210 upper end of lower pole part of center pole 212 lower end of lower pole part 200 214 hollow sleeve with hinge fixed on the upper end of the lower part of center pole 220 lever arm pivotally attached to sleeve 214 by hinge 228 226 slit or slot in sleeve 214 227 slit or slot in sleeve 214 228 hinge on sleeve 214 attached to lever arm 220 230 rotatable sleeve at upper end of lower pole part mounted below fixed hollow sleeve 214 240 hollow tubular sleeve fixed to lower end of lower pole part 200 300 upper pole part of center pole 302 center pole 320 lower end of upper pole part of center pole 360 canopy