Security system for loading doors

Details Security system for loading doors Security system for loading doors

E - Fixed Constructions

05

B

70/38

E05B 49/00 (2006.01) E05B 47/02 (2006.01) E05B 51/02 (2006.01) G07C 9/00 (2006.01)

Patent

CA 1325524

ABSTRACT OF THE DISCLOSURE A system for securing the loading doors of trucks, semi-trailers, and other like enclosures against forced or unauthorized entry should the usual manually operable closure device on such doors be breached. The system comprises a locking arrangement which is disposed entirely within but which is selectively operable from the exterior of the enclosure as by a special key or by activation of an electronic or electric circuit through entry of a predetermined code or signal. The locking arrangment includes a plunger which is automatically engageable with a strike member to secure a door upon its closure and which is moveable to an inopertive position by the action of a pneumatic or hydraulic cylinder or electric solenoid or other like activator.

591543

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