Adjustable portable foot elevator
11311441 ยท 2022-04-26
Inventors
Cpc classification
International classification
Abstract
An adjustable portable foot elevator. The adjustable portable foot elevator includes a base having an upper surface and lower surface, a plurality of support legs extending from the lower surface, a first vertical rod disposed on the upper surface, and a second vertical rod slidably engaged with the first vertical rod, wherein the second vertical rod can be locked in place via a locking mechanism. A footrest is disposed on the upper end of the second vertical rod. A cushion is disposed on the footrest, wherein the cushion is configured to support a foot thereon. The adjustable portable foot elevator provides a portable footrest that may be raised or lowered to maintain a foot at a desired elevated position for optimal comfort.
Claims
1. An adjustable portable foot elevator comprising: a first vertical rod in a telescopic arrangement with a second vertical rod, wherein the first rod extends directly from a base, and a footrest is disposed at an upper end of the second vertical rod; wherein the first vertical rod and the second vertical rod are axially aligned and configured for sliding engagement to adjust a height of the footrest; wherein the first vertical rod extends in a perpendicular orientation from the base such that the first vertical rod and the second vertical rod are always in the perpendicular orientation to the base; a locking mechanism configured to maintain the second vertical rod in a fixed position relative to the first vertical rod; a cushion removably affixed on the footrest, wherein the cushion is configured to support a foot thereon; wherein the cushion comprises a planar upper surface encircling a single recessed portion, the single recessed portion is disposed centrally and sized to receive a heel portion of the foot thereon; the single recessed portion having a circular perimeter defining the boundary thereof, wherein an interior face of the single recessed portion is configured to laterally support the foot received therein; the footrest having a threaded connection configured for selective engagement with the second vertical rod on a side opposite the planar upper surface; the threaded connection extending along on a first vertical axis and the single recessed portion disposed on a second vertical axis, wherein the first vertical axis extends along a first end and a second end of the second vertical rod, wherein the second vertical axis extends from a lowermost region of the single recessed portion to an open end of the single recessed portion; wherein the first vertical axis and the second vertical axis are parallel and offset from each other; wherein the single recessed portion is disposed centrally relative to a perimeter of the cushion and central from each vertex of the cushion, and wherein the threaded connection is disposed offset therefrom; wherein the planar upper surface encircling the single recessed portion extends entirely therearound and until meeting the entire perimeter of the cushion.
2. The adjustable portable foot elevator of claim 1, wherein the base further comprises a plurality of support legs disposed on the lower surface thereof, the plurality of support legs configured to support the base on a ground.
3. The adjustable portable foot elevator of claim 2, wherein each of the plurality of support legs has a ground-engaging gripping foot, and wherein the ground engaging gripping foot comprises a high-friction material.
4. The adjustable portable foot elevator of claim 3, wherein the base comprises a horizontally disposed flat plate, wherein the first vertical rod is affixed and terminates at a central portion of the base, wherein the plurality of support legs extends from four sides thereof, such that the plurality of support legs extend between the base and a ground surface.
5. The adjustable portable foot elevator of claim 4, wherein the locking mechanism is positioned intermediate the base and the cushion.
6. The adjustable portable foot elevator of claim 5, wherein the locking mechanism is a set screw configured to frictionally engage with the second vertical rod in order to prevent movement thereof.
7. The adjustable portable foot elevator of claim 6, wherein the side opposite the planar upper surface of the cushion projects toward the base and encloses the threaded connection and an upper end of the second vertical rod when secured there together, such that the threaded connection is not visible from a side view.
8. The adjustable portable foot elevator of claim 7, wherein: the cushion forms a first overhang region that projects radially from the threaded connection to the perimeter of the cushion, wherein the single recessed portion is disposed between the threaded connection and a linear edge of the perimeter and disposed entirely on the first overhanging region.
9. The adjustable portable foot elevator of claim 6, wherein the set screw is oriented perpendicular to the first vertical axis such that rotation thereof causes linear movement towards and away from the first vertical axis.
10. The adjustable portable foot elevator of claim 3, wherein a coefficient of friction of the high friction material is greater than one.
11. The adjustable portable foot elevator of claim 1, wherein: the cushion forms a first overhang region and a second overhang region, wherein each overhang region projects radially from the threaded connection to the perimeter and the recess disposed on the first overhanging region; wherein the first overhanging region terminates at a maximum distance further from the threaded connection than the second overhanging region.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) Although the characteristic features of this invention will be particularly pointed out in the claims, the invention itself and manner in which it may be made and used may be better understood after a review of the following description, taken in connection with the accompanying drawings wherein like numeral annotations are provided throughout.
(2)
(3)
(4)
DETAILED DESCRIPTION OF THE INVENTION
(5) Reference is made herein to the attached drawings. Like reference numerals are used throughout the drawings to depict like or similar elements of adjustable portable foot elevator. For the purposes of presenting a brief and clear description of the present invention, the preferred embodiment will be discussed as used for supporting a foot in a raised position. The figures are intended for representative purposes only and should not be considered to be limiting in any respect.
(6) Referring now to
(7) A plurality of support legs 16 extend downward from the base 18 in a direction opposing the upper end 21 of the second vertical rod 20. In the illustrated embodiment, four support legs 15 are provided. The support legs 16 each comprise a gripping foot 17 thereon, wherein the gripping foot 17 contacts the floor and prevents slippage of the adjustable portable foot elevator 11. The gripping foot 17 is preferably made from rubber or from another high-friction material having a coefficient of friction greater than one, which helps to prevent the user from accidentally moving the adjustable portable foot elevator 11 along the ground during use.
(8) A locking mechanism 22 is disposed on the first vertical rod 19 and is configured to maintain the second vertical rod 20 at a fixed position within the interior volume of the first vertical rod. In the illustrated embodiment, the locking mechanism 22 comprises a set screw configured to frictionally engage with the second vertical rod 20 in order to prevent movement thereof. Alternate embodiments may include alternate locking mechanisms 22 such as a rack and pin system. In this way, the first vertical rod 19 and second vertical rod 20 combine to provide telescoping properties and provide height adjustability to the adjustable portable foot elevator 11.
(9) A footrest 14 is disposed on the upper end 21 of the second vertical rod 20. In a preferred embodiment, the footrest 14 is removably secured to the second vertical rod 20 via a threaded connection therewith. A cushion 12 is disposed on the footrest 14. The cushion 12 comprises a recessed surface 13 having perimeter 23. In the illustrated embodiment the perimeter 23 is circular. The recessed surface 13 is configured to receive the heel portion of a foot therein. The perimeter 23 provides lateral support to the foot supported by the recessed surface 13.
(10) Referring now to
(11) In an alternate embodiment, the cushion 12 may include a removable fabric cover thereon. The removable fabric cover is be removably secured to the cushion 12 via a zipper or other suitable fastener and is preferably machine washable. The removable fabric may comprise leather, cloth, microfiber, or any other suitable fabric that provides comfort to the user.
(12) Referring now to
(13) It is therefore submitted that the instant invention has been shown and described in what is considered to be the most practical and preferred embodiments. It is recognized, however, that departures may be made within the scope of the invention and that obvious modifications will occur to a person skilled in the art. With respect to the above description then, it is to be realized that the optimum dimensional relationships for the parts of the invention, to include variations in size, materials, shape, form, function and manner of operation, assembly and use, are deemed readily apparent and obvious to one skilled in the art, and all equivalent relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by the present invention.
(14) Therefore, the foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the invention.