Lock bolt actuating device and door comprising such a device

摘要

The door (1) lock (3) bolt (4) control has a shaft (6) of polygonal section driven for rotation to retract the bolt by a pulley (10) fixed to the shaft. The pulley carries a cable (11) fixed to a lever (12). The lever is pivoted around a horizontal axis (x-x) and movable downwardly to actuate the pulley. The pulley can have a diameter between two point five and four times larger than the shaft. Claims include a door using the lock