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US 2021/0078697 A1Published application
Shock absorbing foot piece for small apparatus
OwnerPhilip Klassen, Eric Wayne Jacksoninventors
Life of this patent
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Abstract
Disclosed herein are shock absorbing foot pieces configured to be attached to an apparatus and to absorb the weight of the attached apparatus and any impact caused by the normal usage of the apparatus. In one or more embodiments, the shock absorbing foot pieces comprise multiple elements including a biasing spring and that are configured as a unitary piece.
Claims16
A shock absorbing foot piece comprising:
- a hollow cylindrical body member extending along a longitudinal axis having a top end and a bottom end and enclosing a body member interior space;
- a top cap element having an outer portion and an inner portion opposite the outer portion, wherein the outer portion is affixed to the top end of the cylindrical body member along the circumference of the cylindrical body member and wherein the top cap extends inwardly from the outer portion to the inner portion and toward the longitudinal axis a distance that is less than the radius of the cylindrical body member, forming a top throughhole;
- a bottom cap element having an outer portion and an inner portion opposite the outer portion, wherein the outer portion is affixed to the bottom end of the cylindrical body member along the circumference of the cylindrical body member and wherein the bottom cap extends inwardly from the outer portion to the inner portion and toward the longitudinal axis a distance that is less than the radius of the cylindrical body member, forming a bottom throughhole;
- a biasing spring element located in the body member interior space having a top end and a bottom end;
- a cylindrical plunging rod having a top end and a bottom end and extending through the top throughhole along the longitudinal axis;
- and a plunging rod flange affixed to the bottom end of the cylindrical plunging rod and extending approximately orthogonally to the longitudinal axis, wherein the plunging rod flange is dimensioned so as to have a larger diameter than the top throughhole,
- wherein the plunging rod flange is located between the top cap element and the bottom cap element,
- wherein the bottom end of the biasing spring element is seated against the bottom cap element and the top end of the biasing spring element is seated against the plunging rod flange,
- wherein the biasing spring element is normally biased so as to cause the plunging rod flange to abut the top cap element with a biasing force, and
- wherein the top end of the cylindrical plunging rod comprises an attachment element for attaching the shock absorbing foot piece to an apparatus.
7 more elements
A UAV having a UAV body, a plurality of armatures, each having a first end attached to the UAV body and a second end opposite the first end, a plurality of leg members, each having a first end attached to an armature and a second end opposite the first end, and a plurality of shock absorbing foot pieces, each foot piece attached to the second end of a leg member, wherein each shock absorbing foot piece comprises:
- a hollow cylindrical body member extending along a longitudinal axis having a top end and a bottom end and enclosing a body member interior space;
- a top cap element having an outer portion and an inner portion opposite the outer portion, wherein the outer portion is affixed to the top end of the cylindrical body member along the circumference of the cylindrical body member and wherein the top cap extends inwardly from the outer portion to the inner portion and toward the longitudinal axis a distance that is less than the radius of the cylindrical body member, forming a top throughhole;
- a bottom cap element having an outer portion and an inner portion opposite the outer portion, wherein the outer portion is affixed to the bottom end of the cylindrical body member along the circumference of the cylindrical body member and wherein the bottom cap extends inwardly from the outer portion to the inner portion and toward the longitudinal axis a distance that is less than the radius of the cylindrical body member, forming a bottom throughhole;
- a biasing spring element located in the body member interior space having a top end and a bottom end;
- a cylindrical plunging rod having a top end and a bottom end and extending through the top throughhole along the longitudinal axis;
- and a plunging rod flange affixed to the bottom end of the cylindrical plunging rod and extending approximately orthogonally to the longitudinal axis, wherein the plunging rod flange is dimensioned so as to have a larger diameter than the top throughhole,
- wherein the plunging rod flange is located between the top cap element and the bottom cap element,
- wherein the bottom end of the biasing spring element is seated against the bottom cap element and the top end of the biasing spring element is seated against the plunging rod flange, wherein the biasing spring element is normally biased so as to cause the plunging rod flange to abut the top cap element with a biasing force, and
- wherein the top end of the cylindrical plunging rod comprises an attachment element for attaching the shock absorbing foot piece to the leg member.
6 more elements
Dependencies are inferred from the claim text.