Locks – Operating mechanism – Predetermined time interval controlled
Patent
1987-08-19
1990-07-31
Gall, Lloyd A.
Locks
Operating mechanism
Predetermined time interval controlled
70271, 70274, E05B 4300
Patent
active
049441701
ABSTRACT:
The mechanism comprises a bar (8) slidably mounted in a channel (18) which can be obstructed by a sliding member (11) of an electromechanical latching unit in accordance with a preset time-schedule.
The device described enables the time ban to be lifted by means of two pivotal elements (43, 52) that are normally not coupled to one another, one of them being positionable in the path of travel of the bar (8) of the mechanism so as to be actuated thereby when the mechanism is moved in an opening direction. The two pivotal elements are associated with transmission means (50, 57) which are actuated when a breakdown is detected in order to lock the two pivotal elements together. The electromechanical latching unit can then be made inoperative manually by actuating the mechanism of the locking system in an opening direction.
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patent: 3881171 (1975-04-01), Moorman et al.
patent: 3950678 (1976-04-01), Brewer
patent: 4038846 (1977-08-01), Klann
patent: 4634846 (1987-01-01), Harvey et al.
patent: 4774512 (1988-09-01), Jolidon et al.
Jolidon Francois
Richard Willy
Gall Lloyd A.
Relhor S.A.
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