Latch structure

Details Latch structure Latch structure

1989-01-30

1990-03-27

Moore, Richard E.

Closure fasteners

Bolts

Sliding

292DIG31, 292DIG49, 292DIG61, E05C 106

Patent

active

049114859

ABSTRACT:
A latching structure defined by a mount, a handle pivotally mounted to the mount and linked with a latch pin slidably mounted in the mount. The linkage between the handle and the latch pin includes first parallel links pivotally mounted to the handle and pivotally mounted to the latch pin. Second links are pivotally mounted to the first links and to a spring block slidably mounted on the latch pin. A spring is placed in compression between a shoulder on the latch pin and the spring blocks. Consequently, the linkage mechanism operates to actuate the latch pin with the handle and create an overcenter mechanism to bias the entire mechanism to either a fully opened position or a fully closed position. A gasket is provided on a flange associated with the handle to seal the latch mechanism when the mechanism is strongly biased by the spring into the closed position.

REFERENCES:
patent: 2695803 (1954-11-01), Summers
patent: 2721750 (1955-10-01), Rudis et al.
patent: 2752186 (1956-06-01), Morrison
patent: 2944848 (1960-07-01), Mandolf
patent: 4099751 (1978-07-01), Poe et al.
patent: 4828299 (1989-05-01), Poe

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