A door security device for preventing opening of a door.

A door security system comprises a door, and a handle assembly attached to the door.

A needle holder safety hook (101) fitting with the jacket safety hook (301) is provided on the needle holder (1).

A door safety device, comprising: a door clasp, an anti-door-closing member, and a casing.

A switch actuator for a pivotally mounted gate safety circuit.

A door safety device for an elevator has a photoelectric sensor device provided in a door device, and the sensor device detects a foreign object caught by the door in door closing operation.

Advantages of two: copper door accessories high security

A door security device for preventing opening of a door.

The entry is protected with a cellar-type security door.

The objective of the present invention is to provide a security gate system capable of alleviating congestion at a security gate.

A safety frame is described.

A security apparatus is disclosed.

A concept of a security gate is established.

A door security system comprises a door, and a handle assembly attached to the door.

A door lock device with a safety switch, capable of reliably locking a door.