Electro-mechanical locking device

Details Electro-mechanical locking device Electro-mechanical locking device

1987-01-09

1987-10-27

Wolfe, Robert L.

Locks

Operating mechanism

Using a powered device

70128, 292 57, 292201, E05B 4700

Patent

active

047020954

ABSTRACT:
An electro-mechanical locking device, including a dead bolt having a slot at one end portion and having at its other end portion a tip configured to enter a preformed shaped aperture while assuming at least one orientation and to be blocked by rim portions of said aperture while assuming at least one other orientation and an electrically operable means for applying a rotary movement to a guide member for the dead bolt. The guide member is coupled to the bolt by means of the slot. The device further includes a key operated unlocking and locking actuator means connected to said bolt for effecting linear retraction and extension movements of the bolt when acted upon by the key, while allowing rotary movement of the bolt by said guide member when the guide member is acted upon by the electrically operable means.

REFERENCES:
patent: 1398499 (1921-11-01), Burnham
patent: 1654913 (1928-01-01), Beemer
patent: 2235949 (1941-03-01), Shaw
patent: 2978266 (1961-04-01), Poe
patent: 3200623 (1965-08-01), Peters
patent: 4125008 (1978-11-01), Genest
patent: 4268076 (1981-05-01), Itoi
patent: 4573333 (1986-03-01), Choi

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