Chairs and seats – Headrest
Patent
1983-08-12
1985-09-10
Lyddane, William E.
Chairs and seats
Headrest
297406, A47C 736
Patent
active
045402175
ABSTRACT:
A headrest device mountable to a stay extending from the top of a backrest of a vehicle seat includes (1) a stationary frame portion which includes two vertical plates having vertically-elongated openings therein and guide projections extending away from their outer sides, (2) a movable frame portion which includes two side panels and a central panel extending therebetween, each of the side panels including upper guide slots, lower guide slots and a hole therebetween, (3) a braking mechanism which includes an outer case connected to a side panel, an inner case therein and a coil spring having engagement portions at its opposite ends, the inner case defining two engagement edges and having an operating shaft and and actuating shaft, and (4) an eccentric cam mechanism for moving the movable frame portion relative to the stationary frame portion, and including two disc elements movable in respective elongated opening in the plates, a connecting tube and support arms, one support arm including a boss to which the operating shaft is connected.
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patent: 4351563 (1982-09-01), Hattori
patent: 4378706 (1983-04-01), Miyamoto
Binder Mark W.
Lyddane William E.
Tachikawa Spring Co. Ltd.
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