Lock mechanism structure

Details Lock mechanism structure Lock mechanism structure

1998-10-07

1999-09-14

Gall, Lloyd A.

Locks

Portable

Padlocks

70 39, 70379R, 70380, E05B 6724

Patent

active

059504617

ABSTRACT:
A lock mechanism structure includes a pair of latches with one end of each latch positioned against a spring and the other end of which are engaged with a rod. A block has a spring urging the block outwardly which in turn urges the latches outwardly to extend into a recess, whereas the other end of the block has a slope surface engaging with a corresponding slanting surface on a bulge extending upward from a rotating plate of a lock core, thus, when opening the lock, the lock core rotates to bring the bulge to push the block upwardly, whereas the other end of the block descends to urge the spring to retract, this allows the latch to detach from the recess and the lock is in a released status.

REFERENCES:
patent: 652337 (1900-06-01), Taylor
patent: 1461725 (1923-07-01), Cooper
patent: 1512590 (1924-10-01), Freysinger
patent: 1525815 (1925-02-01), Lawrence
patent: 1566473 (1925-12-01), Gibson
patent: 3008318 (1961-11-01), Gutman
patent: 4098100 (1978-07-01), Wah
patent: 4345447 (1982-08-01), Keung et al.
patent: 5640861 (1997-06-01), Chen

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