Structure for controlling the dead bolt used in an electronic lo

Details Structure for controlling the dead bolt used in an electronic lo Structure for controlling the dead bolt used in an electronic lo

1990-08-07

1991-08-20

Wolfe, Robert L.

Locks

Operating mechanism

Using a powered device

70279, 70472, E05B 4700

Patent

active

050403915

ABSTRACT:
A structure for controlling the dead bolt used in an electronic lock comprising a turning button at the inside of a door for locking or unlocking the lock and a structure at the outside of a door to unlock either with a coded number card or a key.

REFERENCES:
patent: 1834223 (1931-12-01), Rymer
patent: 2662387 (1953-12-01), Hagstrom
patent: 3894417 (1975-07-01), Taniyama
patent: 4672829 (1987-06-01), Gater et al.
patent: 4820330 (1989-04-01), Lin
patent: 4956984 (1990-09-01), Chi-Cheng

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