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US 11,116,323 B2Granted
Folding cot
OwnerWenjie Wang, Zhengming He +1inventors
InventorsWenjie Wang, Zhengming He, Libo Song
Life of this patent
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Abstract
This folding cot has a frame including a first rail member and a second rail member, a sheet material coupled to the frame and extending between the first and second rail members thereof, and a plurality of foldable leg assemblies where each leg assembly being pivotally connected to the first and second rail members, and wherein each leg assembly further includes a first leg pivotally coupled to a second leg. There is a tension spring having a first end attached to the first leg and a second end attached to the second leg.
Claims15
A folding cot comprising:
- a frame including a first rail member and a second rail member;
- a sheet material coupled to the frame and extending between the first and second rail members thereof;
- a plurality of foldable leg assemblies each leg assembly being pivotally connected to the first and second rail members, wherein each leg assembly further comprises a first leg pivotally coupled to a second leg;
- a single-piece cross member having a first end attached to the first leg and a second end attached to the second leg;
- wherein the first leg is pivotally coupled to the first rail member at a first pivot point;
- wherein there is no pivoting joint within the single-piece cross member, and the single-piece cross member is self-biased against bending when a force is applied towards the cross member in a direction perpendicular to a longitudinal axis of the cross member;
- and
- wherein the cross member is a tension spring.
5 more elements
A folding cot, comprising:
- a frame including a first rail member and a second rail member;
- a sheet material coupled to and extending between the first and second rail members thereof;
- the sheet material having a head end and foot end;
- a first foldable leg assembly having a first leg and a second leg, where the first leg is pivotally connected to a second leg;
- wherein the first leg is pivotally connected to the first rail member by a first fastener at a first pivot point;
- said folding cot being collapsible into a folded configuration from an unfolded configuration;
- wherein the head end of the sheet material has a first tether extending therefrom;
- wherein the head end of the sheet material has a second tether disposed opposite of the first tether,
- wherein the first tether is fastened to the first rail member either at the first pivot point or directly on the first rail member approximate the first pivot point;
- wherein the first tether is not readily detachable from the first rail member;
- wherein each of said first and second rail member has an upper side, underside, outer side, interior side, and a terminal side;
- and
- wherein the cross member is a tension spring.
10 more elements
Dependencies are inferred from the claim text.