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( 567 of 567 ) |
United States Patent | 3,677,043 |
Cox | July 18, 1972 |
Apparatus for selectively locking and controllably releasing a panic exit door include a lock structure having a door locking position and a door release position and including a pair of vertical bars for locking the door at the top and bottom thereof. A manually actuable crash bar is located on one side of the door for actuating the lock, and a further manually actuable device for actuating the lock is located on the other side of the door. A remotely controllable device selectively blocks and releases the further manually actuable device, and a remote control selectively actuates the remotely controllable device.
Inventors: | Cox; Clifford B. (South Pasadena, CA) |
Appl. No.: | 05/095,781 |
Filed: | December 7, 1970 |
Current U.S. Class: | 70/92 ; 292/335; 70/268; 70/283; 70/471; 70/485; 70/487 |
Current International Class: | E05B 63/20 (20060101); E05B 65/10 (20060101); E05B 47/00 (20060101); E05B 63/00 (20060101); E05B 47/06 (20060101); E05b 065/10 (); E05b 047/06 () |
Field of Search: | 70/92,146,148,157,267,268,271,283 292/335 |
2031738 | February 1936 | Schoch |
1611838 | December 1926 | Malacki |
2637578 | May 1953 | Gaona |
1764154 | June 1930 | Cramer |
1,029,732 | Jun., 1953 | FR | |||
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