Chairs and seats – Chair hardware or attachment
Patent
1997-06-06
1998-09-08
Brown, Peter R.
Chairs and seats
Chair hardware or attachment
2485031, 296 6503, B60N 244
Patent
active
058035494
ABSTRACT:
A self-locking forkbolt uses an absolute minimum of components, comprising only a latch pivoted near a pin receiving slot in the flat surface of a structural member, with no need for a separate biasing spring to hold the latch closed across the slot and trap the pin. Instead of a separate spring, the latch is formed of an inherently resilient material that is pushed slightly away from the flat surface to which it is pivoted, in all positions but the fully closed position of the latch, by an integral tab. At the fully closed position of the latch, the tab snaps into a retention hole, to firmly lock the latch in its closed position to trap the pin in the slot.
REFERENCES:
patent: 3594852 (1971-07-01), Krawagna
patent: 3661172 (1972-05-01), Miller
patent: 4865377 (1989-09-01), Musser et al.
patent: 5482345 (1996-01-01), Bolsworth et al.
patent: 5685612 (1997-11-01), MacDonald et al.
Bolsworth James
Williquette Julie Beth
Brown Peter R.
General Motors Corporation
Griffin Patrick M.
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