Combination lock that prevents shock-force release of a hasp

Details Combination lock that prevents shock-force release of a hasp Combination lock that prevents shock-force release of a hasp

1990-06-01

1991-01-08

Wolfe, Robert L.

Locks

Operating mechanism

Combination

70321, E05B 3702

Patent

active

049825860

ABSTRACT:
A combination lock has a pivoting bolt for engaging and disengaging a hasp. The hasp, which is disengaged from the bolt when the lock is on-combination, may be re-engaged with the bolt, even if the lock is off-combination. A first spring resiliently biases the bolt to an unlocked position. A second spring resiliently restrains movement of the bolt beyond a locked position in order to prevent disengagement of the hasp in response to application of a shock force to the lock.

REFERENCES:
patent: 4308731 (1982-01-01), Remington
patent: 4711108 (1987-12-01), Garro
patent: 4829796 (1989-05-01), Kim
patent: 4854139 (1989-08-01), Scelba
patent: 4856306 (1989-08-01), Scelba

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