Chairs and seats – Movable back – Tiltable
Patent
1980-07-30
1984-11-20
Lyddane, William E.
Chairs and seats
Movable back
Tiltable
297216, 297379, A47C 1025
Patent
active
RE0317411
ABSTRACT:
A motor-vehicle seat hinge has an upper hinge element secured to the back part of the seat and a lower hinge element secured to the seat part, a positioning plate securable at any of a plurality of angularly offset positions and coacting with an abutment on the upper element to define the rest position for the seat back. An inertial two-arm pawl is pivoted on the upper hinge element and has on one arm a stop face which is engageable with the positioning plate in a blocking position of this pawl to prevent forward pivoting of the back seat. The other arm of the pawl is weighted so as normally to pivot from the blocking position into a freeing position when the back part is slowly pivoted forwardly but to resist due to its inertia the change of its position when the back part is subject to an abrupt forward movement.
REFERENCES:
patent: 2873794 (1959-02-01), Leslie et al.
patent: 3549202 (1970-12-01), Boschen et al.
patent: 3628831 (1971-12-01), Close
patent: 3848923 (1974-11-01), Dehler
patent: 3900225 (1975-08-01), Wirtz et al.
patent: 3972564 (1976-08-01), Arlauskas et al.
patent: 3973288 (1976-08-01), Pickles
patent: 3999247 (1976-12-01), Cremer
patent: 4318569 (1982-03-01), Bilenchi et al.
Strowick Willibald
Werner Paul
Keiper U.S.A. Inc.
Lyddane William E.
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