Locking system for two or more doors leading to an enclosed area

Details Locking system for two or more doors leading to an enclosed area Locking system for two or more doors leading to an enclosed area

1975-05-12

1976-04-06

Craig, Jr., Albert G.

Locks

Systems

Operation and control

70283, 292 33, E05B 6500, E05B 6314

Patent

active

039480674

ABSTRACT:
Two or more doors leading to a single room are provided with electrically operated locks which are energized by depressing a button in the room. All of the locks are de-energized by opening either of the doors, so that access to the room is available through either of the door openings when the room is not occupied.

REFERENCES:
patent: 819208 (1906-05-01), Criqui
patent: 1180123 (1916-04-01), Florcken
patent: 1819410 (1931-08-01), Finkenbinder
patent: 2509542 (1950-05-01), Thomas et al.
patent: 2726534 (1955-12-01), Beymer

Affiliated with

Also associated with

Rating

Locking system for two or more doors leading to an enclosed area does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Locking system for two or more doors leading to an enclosed area, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Locking system for two or more doors leading to an enclosed area will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1568997