Motor vehicle seat hinge

Details Motor vehicle seat hinge Motor vehicle seat hinge

1987-02-18

1988-01-19

Dorner, Kenneth J.

Chairs and seats

Movable back

Tiltable

297216, 297378, B60N 102

Patent

active

047201452

ABSTRACT:
An improved motor vehicle seat hinge mechanism which includes an inertia sensitive latching device which prevents forward rotation of the seat back in the event of sudden vehicle deceleration. The vehicle seat hinge mechanism according to this invention improves over prior art designs by providing a quadrant component which does not present objectionable rearward protrusions which interfere with rear seat occupants while entering and egressing from the rear seat area and, further, avoids the presentation of sharp projections which could cause tearing and wearing of interior trim fabrics. The seat back hinge mechanism further includes a cam plate which biases the inertia sensitive latching device such that it is in a position to latch when the seat back is in its normal position. Due to the use of the cam plate, the seat hinge according to this invention is less sensitive to malfunctions caused by hinge component misalignment.

REFERENCES:
patent: 3628831 (1971-12-01), Close
patent: 3973288 (1976-08-01), Pickles
patent: 4279442 (1981-07-01), Bell
patent: 4372610 (1983-02-01), Fisher, III et al.
patent: 4438974 (1984-03-01), Kresky et al.
patent: 4484779 (1984-11-01), Suzuki

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