Foldable support
First Claim
Patent Images
1. A foldable support comprising:
- a first frame member having an upper and a lower end and a pair of inwardly projecting portions between such ends;
a second frame member having an upper and a lower end and a pair of outwardly projecting stepped portions between such ends, the first and second frame members being attached to each other so that each of the inwardly projecting stepped portions of the first frame member cooperates with one of the outwardly projecting stepped portions of the second frame member, the first and second frame members being rotatable relative to each other about an axis passing through the inwardly and outwardly projecting stepped portions;
a belt extending between the upper ends of the first and second frame members;
a supporting lever having two ends and rotatably mounted at one end to one of the frame members;
a third frame member fixed to the other end of the lever, the third frame member having a belt extending between said ends of said third frame member, whereby upon unfolding and erecting said support, said third frame member lies above said first and said second frame members; and
a T-shaped joint member connecting the other end of the lever and the third frame member and having means to swivel the third frame about perpendicular horizontal axes.
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Accused Products
Abstract
A foldable headrest having first and second frames which are attached rotatably and crosswise to each other. A support element is rotatably attached to the frames in such a manner as to rotate on a common horizontal axis. A shade is provided on the support elements and belts and extend between upper ends and lower ends of the frame members.
53 Citations
7 Claims
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1. A foldable support comprising:
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a first frame member having an upper and a lower end and a pair of inwardly projecting portions between such ends; a second frame member having an upper and a lower end and a pair of outwardly projecting stepped portions between such ends, the first and second frame members being attached to each other so that each of the inwardly projecting stepped portions of the first frame member cooperates with one of the outwardly projecting stepped portions of the second frame member, the first and second frame members being rotatable relative to each other about an axis passing through the inwardly and outwardly projecting stepped portions; a belt extending between the upper ends of the first and second frame members; a supporting lever having two ends and rotatably mounted at one end to one of the frame members; a third frame member fixed to the other end of the lever, the third frame member having a belt extending between said ends of said third frame member, whereby upon unfolding and erecting said support, said third frame member lies above said first and said second frame members; and
a T-shaped joint member connecting the other end of the lever and the third frame member and having means to swivel the third frame about perpendicular horizontal axes. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification