Pick-proof lock system and method for locking a door, window, or

Details Pick-proof lock system and method for locking a door, window, or Pick-proof lock system and method for locking a door, window, or

1975-04-21

1976-06-01

Wolfe, Robert L.

Locks

Operating mechanism

Key

70423, E05B 6300

Patent

active

039599973

ABSTRACT:
A pick-proof lock system and method for locking a door, window, or other closure which includes a first movable barrier such as a door mounted to be closed into a second related barrier such as a frame. This pick-proof lock system comprises coded locking means remotely located from the public region outside of the closure barriers with a transportable key movable along a route from the public region into the remote locking means and carrier means for moving the key along said route which may include multiple intersecting path segments with blocking means preventing access from the public region to the remotely located coded locking means, the carrier means acting cooperatively with said barrier means for moving the key long said route. The pick-proof method positions the coded locking means such as a tumbler assembly remote from the public region and places blocking means between the public region and the tumbler assembly, with the key being a transportable member carried away from the user's reach, passing along a route through the blocking means so as to enter and unlock the tumbler assembly, which at all times remains inaccessible to the public region. Movable carrier means are provided to transport the key along the route to the tumbler assembly while by-passing the blocking means. This route may be divided into a first path extending from the public region into the lock mechanism with a second path intersecting the first and extending offset into operative engagement with the tumbler assembly.

REFERENCES:
patent: 3267707 (1966-08-01), Adams
patent: 3630053 (1971-12-01), Krakauer
patent: 3714804 (1973-02-01), French
patent: 3765199 (1973-10-01), Wiczer

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