ELECTROMECHANICAL DOOR LOCK

An electromechanical door lock, comprising a lock body (1), which includes a dead bolt (5) movable between a protruding locking position and a withdrawn releasing position by electromechanical force transmission means, dead-locking means (6) for dead-locking the dead bolt and a manually operable for...

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Bibliographic Details
Main Authors MERILAEINEN; JAAKKO, ISSAKAINEN; JORMA, JURVANEN; MARKKU
Format Patent
LanguageEnglish
Published 06.04.1993
Subjects
ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
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Summary:An electromechanical door lock, comprising a lock body (1), which includes a dead bolt (5) movable between a protruding locking position and a withdrawn releasing position by electromechanical force transmission means, dead-locking means (6) for dead-locking the dead bolt and a manually operable force transmission means for moving the dead bolt and the dead-locking means manually for instance through key operation, includes coupling means (22; 23) having a first position, in which it is arranged to provide force transmission connection from both said manually operable force transmission means and said electromechanical force transmission means to the dead bolt (5). The coupling means (22; 23) is movable by means of said manually operable force transmission means into a second position, in which the force transmission connection from said electromechanical force transmission means to the dead bolt (5) is disconnected so that the dead bolt (5) is movable only through said manually operable force transmission means.
Bibliography:Application Number: US19910778299