Chairs and seats – Movable back – Tiltable
Patent
1997-12-17
1999-03-23
Brown, Peter R.
Chairs and seats
Movable back
Tiltable
297352, 29744015, 403 67, A47C 742
Patent
active
058849718
ABSTRACT:
A releasably mounted back rest is provided including a cushion and a pair of vertical stanchions coupled at top ends thereof to the rear surface of the cushion extended downwardly a predetermined distance. Also included is a joint assembly comprising a pair of lower members hingably coupled to the stanchions. By this structure, the stanchions and lower members of the joint assembly are adapted to pivot between a first orientation wherein the same are linearly aligned and a second orientation wherein the same are situated perpendicular with respect to each other. Lastly, a clamp is situated at bottom ends of the lower members for releasably coupling with a seat.
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patent: 2612938 (1952-10-01), Dawkins et al.
patent: 2624394 (1953-01-01), De Milto
patent: 4856782 (1989-08-01), Cannan
patent: 4881776 (1989-11-01), Wang
patent: 5326152 (1994-07-01), Baron
Davis George E.
Davis Shelvie J.
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