A cylinder lock protection apparatus comprises: a housing 1; a shutter 2 movable between a closing position and an opening position within the housing 1; a torsion spring 3 for normally urging the shutter 2 toward the opening position; an engaging device 4 capable of engaging the shutter 2 existing at the closing position; and, a releasing device capable of releasing engagement made by the engaging device 4. The releasing device includes a magnet lock 5 for manually releasing the engagement made by the engaging device 4 and a solenoid 6, when driven by remote control, for releasing the engagement made by the engaging device 4, while the magnet lock 5 and solenoid 6 respectively can operate the engaging device 4 to thereby operate the shutter 2.
Cylinder lock protection apparatus
Zylinderschlossschutzvorrichtung
Appareil de protection de serrure à cylindre
2019-07-24
Patent
Electronic Resource
English