Locks – Special application – For closures
Patent
1977-05-26
1978-11-21
Holko, Thomas J.
Locks
Special application
For closures
70134, 70451, 292288, 292DIG28, 292DIG53, E05B 908
Patent
active
041260228
ABSTRACT:
An improved lock is provided for hinged glass doors which can be attached to the doors without the need for attachment screws and the like. The lock includes a pair of coacting casings which include suction-type securing means for attaching the casings to the respective doors. The first casing comprises a single piece integral metal housing which is open on one side and includes a locking mechanism, having an associated lock bolt, which is disposed in and occupies approximately one-half of the housing, the other half being empty. The second casing member comprises a base portion which is similar to the first housing and includes, in addition, an "upper" or overlying portion which extends parallel to the base portion and is affixed thereto by an upstanding wall located in approximately the middle of the base portion. In the operative position of the lock, the empty half of the first casing overlies the upper portion of the second casing and the lock bolt extends through the upstanding wall of the second casing to provide locking.
REFERENCES:
patent: 1325919 (1919-12-01), Voight
patent: 1426930 (1922-08-01), Waldron
patent: 1428915 (1922-09-01), Seweryn
patent: 1744988 (1930-01-01), Shaw
patent: 2050696 (1936-08-01), Schoorel
patent: 2874560 (1959-02-01), Villalba
patent: 2936139 (1960-05-01), Lindstrom
patent: 3367700 (1968-02-01), Carmcero
patent: 3774420 (1973-11-01), Orr
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