Electronic input and dial entry lock

Details Electronic input and dial entry lock Electronic input and dial entry lock

1996-07-31

1998-12-08

Meyers, Steven

Locks

Operating mechanism

Using a powered device

70214, 70432, 292144, 292347, 292353, B21C 104

Patent

active

058455230

ABSTRACT:
An electronic combination lock having a dial-shape handle with a keypad incorporated therein is disclosed. Rotation of the handle extends or retracts a bolt that closes or opens the lock. In one embodiment, a gear rotated by the shaft displaces the rack end of radially-extending bolts that extend or retract. The keypad includes indicia that inform the user of the extended or retracted condition of the bolt. A battery pack is used to energize circuitry, and the circuitry provides a control signal that activates a solenoid to extend or retract a bolt blocking device, which in turn prevents or enables movement of the bolt. A visual indicator warns of a low voltage or power condition in the battery pack. Electrical contacts are provided in the face plate of the handle to connect the circuitry to an external power source in case the battery pack fails.

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