Self locking, rattle resistant fork bolt

Details Self locking, rattle resistant fork bolt Self locking, rattle resistant fork bolt

1998-06-25

2000-02-08

Kim, Harry C.

Joints and connections

Manually releaseable latch type

Having operating mechanism

4033221, 403330, 2485031, 297336, 296 6503, F16B 218

Patent

active

060221666

ABSTRACT:
A self locking forkbolt for pivoting the end of a pivoting seat back frame to a vehicle body includes a pin that is locked into a slot by the end of a hook that swings on a pivot axis across the slot, from an open to a closed position. A locking lever fixed to the hook moves with the hook, and a cam lever pivoted to the same pivot axis, located on to of the locking lever, has a striker edge that is engaged by the pin first as the pin is pushed into the slot. The force transfer connection between the cam lever and the hook/locking lever is indirect, consisting of a spring that is compressed by the pivoting cam lever to, in turn, push on the hook. The locking lever pops into a latched position as the hook swings closed, and the spring remains at least slightly compressed, reducing rattle of the pin within the slot.

REFERENCES:
patent: 3594852 (1971-07-01), Krawagna
patent: 3661172 (1972-05-01), Miller
patent: 3781062 (1973-12-01), Farmer et al.
patent: 4865377 (1989-09-01), Musser et al.
patent: 5125711 (1992-06-01), Syed et al.
patent: 5482345 (1996-01-01), Bolsworth et al.
patent: 5562322 (1996-10-01), Christoffel
patent: 5671965 (1997-09-01), O'Connor
patent: 5685612 (1997-11-01), MacDonald et al.
patent: 5697662 (1997-12-01), Leftwich
patent: 5730480 (1998-03-01), Takamura
patent: 5803549 (1998-09-01), Bolsworth et al.

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