Chairs and seats – With table – desk – or easel
Patent
1981-03-16
1983-09-27
McCall, James T.
Chairs and seats
With table, desk, or easel
297140, 297143, 312235R, A47B 3900
Patent
active
044064950
ABSTRACT:
A foldable bench assembly for attaching to a portable structure within a room is provided. The bench assembly includes a seat cushion, a seat platform, legs and at least two telescopable tubes. One end of the telescopable tubes is rotatably attached to the portable structure. The other end of the telescopable tubes is attached to the seat platform such that the seat platform can rotate around an axis in the same plane as the centerline of said telescopable tube. The legs are swingably attached to the seat platform. The seat cushion is attached to the top of the seat platform. A bracket is attached to the portable structure for the tubes to rest on when the bench assembly is in the down position. The bracket may have a pin protruding therefrom which engages holes in the tubes to prevent the tubes from sliding with respect to each other when the bench assembly is in the down position. The bench assembly is folded up by swinging the legs under the seat platform, rotating the seat platform, seat cushion and legs from a horizontal position to a vertical position, and swinging the aforesaid up alongside the portable structure in an arc having as its center of rotation the point of attachment of the telescopable tubes to the portable structure. A clamping device may be attached to the portable structure to engage the bench assembly and hold it in the up position. To place the bench assembly back in the down position, the above steps are repeated in reverse order.
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patent: 1771231 (1930-07-01), Parkinson
patent: 2075350 (1937-03-01), Leverone
patent: 2824598 (1958-02-01), Ertl
patent: 3481429 (1969-12-01), Gaede
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