Latch mechanism

Details Latch mechanism Latch mechanism

1981-02-12

1984-01-03

Lyddane, William E.

Chairs and seats

Headrest

297216, 403 11, A47C 738

Patent

active

044239050

ABSTRACT:
A latch mechanism for the head restraint of a vehicle seat comprises latches 22 pivotally connected to the bases of projections 5 and 6 of a frame forming a part of the restraint. These projections 5 and 6 fit into complementary tubes 7 and 8 in the top of the corresponding seat. Respective balls 26 normally maintain the latches 22 in an inoperative position so that the projections 5 and 6 can be withdrawn from the tubes. In the event of a collision tending to force the restraint upwards away from the seat the balls are thrown upwards releasing the latches and allowing them to swing outwards so that they hook the bottoms of the tubes 7 and 8 as the restraint moves upwards to prevent further upward movement. Each latch may be double hooked if desired.

REFERENCES:
patent: 3366179 (1968-01-01), Kinley et al.
patent: 3397911 (1968-08-01), Brosins, Sr.
patent: 3405971 (1968-10-01), Kobrehel
patent: 3512832 (1970-05-01), Kage
patent: 3572834 (1971-03-01), Herzer
patent: 3904241 (1975-09-01), Makinen

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