Pawl seat back latch mechanism

Details Pawl seat back latch mechanism Pawl seat back latch mechanism

1976-12-13

1978-04-04

Frazier, Roy D.

Chairs and seats

Movable back

Tiltable

297316, A47C 300

Patent

active

040823539

ABSTRACT:
An inertia-responsive vehicle seat back latch mechanism for a vehicle seat assembly having a seat back pivotally supported for forwardly tilting movement, wherein said latch mechanism includes a seat back stud for moving with the seat back, a locking pawl pivotally attached to the seat cushion support which is adapted to engage the seat back stud, and a latching pawl pivotally attached to the seat cushion support for preventing the rotation of the locking pawl. The locking pawl is disposed to engage the seat back stud but is cammable free of the seat back stud thereby allowing forward tilting of the seat back; however, during a vehicle deceleration greater than a predetermined value, the latching pawl will prevent rotation of the locking pawl and thereby the locking pawl will lockingly engage the seat back stud thereby preventing forward tilting of the seat back.

REFERENCES:
patent: 2737229 (1956-03-01), Semar
patent: 2873794 (1959-02-01), Leslie et al.
patent: 3549202 (1970-12-01), Boschen et al.
patent: 3628831 (1971-12-01), Close
patent: 3674309 (1972-07-01), Fowler
patent: 3900225 (1975-08-01), Wirtz et al.

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