Automatic Door Lock

Bored cylindrical lock - A bored cylindrical lock is one in which two holes are bored, perpindicular to one another, into the door. A large hole is bored into the door face and a smaller crossbore hole is bored into the door edge, as opposed to a mortise lock prep cut into the edge of the door.

Magnetic lock - A magnetic lock is a simple locking device that consists of an electromagnet and armature plate. By attaching the electromagnet to the door frame and the armature plate to the door, a current passing through the electromagnet attracts the armature plate holding the door shut.

Plug door - A plug door is a door designed to hold higher pressure on the side it opens to - the shape of the plug door (typically like a slice of a wedge base) prevents the door moving outwards and thus allowing the pressure to escape. Non-plug doors rely ...

Relocker - A relocker, or more properly a relocking device is an automatic locking device that is activated during an attempted burglary of a safe or vault door. These devices will still keep a safe or vault locked even if the lock is defeated or damaged.

Automatic Home Co - Automatic Home Co Offering entrance doors, automatic gates, shutters for windows, and rolling door.

Bay Lock and Key - Bay Lock and Key Offer lock and key service for home, auto and industry and sells new and used safes and automatic door openers.

Ji-Shen Electronic Co., Ltd. - Ji-Shen Electronic Co., Ltd. Manufacturer of rolling door, security, remote control system, electric lock, infrared sensor, rolling door UPS, microcomputer car alarm system, wireless central lock system, microcomputer motorcycle alarm system, automatic door.

automaticdoorlock

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