Electromechanical cylinder lock

Details Electromechanical cylinder lock Electromechanical cylinder lock

1999-03-19

2000-12-05

Gall, Lloyd A.

Locks

Operating mechanism

Using a powered device

70187, 702831, 70366, 70453, E05B 2904, E05B 4902

Patent

active

061550892

ABSTRACT:
An electromechanical cylinder lock includes a lock body and a turnable lock cylinder and a locking mechanism inside the lock body. The locking mechanism normally prevents turning of the lock cylinder relative to the lock body and can be moved by a key of the lock to a releasing position allowing turning of the lock cylinder. The key for the lock includes a transmitter for transmitting an electronic code and the lock correspondingly includes a receiver for receiving and identifying the code of the key. When the receiver detects the correct code the receiver enables mechanical opening of the lock by the key. The lock includes a locking disc with a key opening which is so designed that the turning of the key does not directly act mechanically on the locking disc. The lock also includes a coupling element for coupling the locking disc to the turning movement of the key. The lock is provided with an electric operator which is activated by the electronic code from the key and which in an active state controls the coupling element so that the locking disc turns with the key to a position required for opening of the locking mechanism.

REFERENCES:
patent: 3785188 (1974-01-01), Drathschmidt
patent: 4370875 (1983-02-01), Piiroinen
patent: 4416127 (1983-11-01), Gomez-Olea Naveda
patent: 4534194 (1985-08-01), Aydiu
patent: 4854143 (1989-08-01), Corder et al.
patent: 4956984 (1990-09-01), Chi-Cheng
patent: 5337588 (1994-08-01), Chhatwal
patent: 5373718 (1994-12-01), Schwerdt et al.
patent: 5447047 (1995-09-01), Lin
patent: 5791177 (1998-08-01), Bianco

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