Locks – Parts – attachments – accessories and adjuncts – For combination-operated mechanism
Patent
1982-04-07
1984-02-28
Cangialosi, Sal
Locks
Parts, attachments, accessories and adjuncts
For combination-operated mechanism
70442, 364130, E05B 1700
Patent
active
044335636
ABSTRACT:
Apparatus for determining the opening combination of a safe lock including a dial turning device that is controlled by a programmable processor acting through a stepping motor to set selected combinations into the lock and to test the lock after each combination has been set to determine if the lock bolt has been withdrawn to a release position. A readout of each combination set into the lock is provided and the readout is automatically inhibited to identify the opening combination when the lock bolt has been withdrawn to a release position.
REFERENCES:
patent: 2974517 (1961-05-01), Jacobs
patent: 4056956 (1977-11-01), Gillian
patent: 4126821 (1978-11-01), Cannon
patent: 4377847 (1983-03-01), Daniel
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