High security door lock

Details High security door lock High security door lock

1976-04-06

1977-03-22

Gilliam, Paul R.

Closure fasteners

Bolts

Sliding and rotary

70417, 292 62, 292264, 292302, 292327, E05C 502

Patent

active

040133117

ABSTRACT:
A high security door lock having a crossbar mounted on a door and a keeper mounted on the door frame. A pin with at least one projection is provided to secure the crossbar to the keeper by inserting the pin through at least one slot in the keeper. A locking channel is provided integral with the keeper and located at an angle to the slot in the keeper. When the pin is inserted into the keeper and rotated, the pin projection seats in the locking channel. A biasing means is provided to coact with the pin to hold the projection in the locking channel and prevent uncoupling of the crossbar from the keeper absent depression and rotation of the pin.

REFERENCES:
patent: 1311500 (1919-07-01), Dresser
patent: 1351117 (1920-08-01), Newhall
patent: 2276915 (1942-03-01), Axe et al.
patent: 3591219 (1971-07-01), Graziosi

Affiliated with

Also associated with

Rating

High security door lock does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High security door lock, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High security door lock will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1953179