Security lock for revolving door

Details Security lock for revolving door Security lock for revolving door

1987-06-17

1989-01-10

Wolfe, Robert L.

Safes, bank protection, or a related device

Bank protection devices

Trapping mechanisms

109 3, 49 42, E05G 300

Patent

active

047965428

ABSTRACT:
A lock for a revolving door includes an electrically-controlled, solenoid-extensible trip rod engageable by a panel of the door. Movement of the rod by the door panel rotates a key from a lock holder to release a spring-biased locking element which is forced onto the door panel to prevent further rotation of the door.

REFERENCES:
patent: 1455677 (1923-05-01), Stevens
patent: 1493690 (1924-05-01), Martin
patent: 1558058 (1925-10-01), Spottswood
patent: 1570927 (1926-01-01), Spottswood
patent: 1877017 (1932-09-01), Murphy
patent: 1948217 (1934-02-01), Goodwin
patent: 1952393 (1934-03-01), Tigue
patent: 1979497 (1934-11-01), Schneider et al.
patent: 1992096 (1935-02-01), Reger
patent: 2090520 (1937-08-01), Schneider
patent: 2186385 (1940-01-01), Lockart
patent: 2695574 (1954-11-01), Ceci
patent: 3045615 (1962-07-01), Atchison
patent: 3285209 (1966-11-01), Pace
patent: 4060935 (1977-12-01), Miller et al.
patent: 4341165 (1982-07-01), Calandritti et al.

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