Chairs and seats – Movable bottom – Interconnected with back for relative concurrent movement
Patent
1981-06-22
1983-12-27
McCall, James T.
Chairs and seats
Movable bottom
Interconnected with back for relative concurrent movement
248393, 296 65R, 297379, B60H 104
Patent
active
044226900
ABSTRACT:
A seat position control mechanism includes a pair of track members, a detent member secured to one track member and having a plurality of longitudinally spaced recesses, and a second detent member secured to the other track member and having a single recess. A pawl which is manually controlled or controlled by tilting movement of the seat back is engageable with one of the spaced recesses and a single recess to lock the track members to each other. The seat can be adjusted by operating the manual control to release the pawl from a spaced recess while remaining in engagement with the single recess to unlock the track members. Tilting movement of the seat back or use of the manual control moves the pawl out of the single recess while remaining in engagement with the spaced recess. Return of the pawl into engagement with the single recess re-establishes the seat in the initial starting position and locks the track members to each other.
REFERENCES:
patent: 2160015 (1939-05-01), Haberstump
patent: 2856983 (1958-10-01), Probst et al.
patent: 3853373 (1974-12-01), Corbett
patent: 3890001 (1975-06-01), Turner
patent: 3940182 (1976-02-01), Tamura
patent: 4065178 (1977-12-01), Carella et al.
patent: 4101169 (1978-07-01), Muraishi et al.
patent: 4143911 (1979-03-01), Sakakibara et al.
patent: 4159147 (1979-06-01), Kyomitsu
Furman Herbert
General Motors Corporation
McCall James T.
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