Pushbutton lock for sliding doors

Details Pushbutton lock for sliding doors Pushbutton lock for sliding doors

1993-02-19

1995-02-21

Cuomo, Peter M.

Locks

Special application

For closures

292 98, 292129, 292229, 292DIG46, 292DIG37, 292DIG60, 70 95, F05B 6508

Patent

active

053905164

ABSTRACT:
A lock or catch (10) is shown for a sliding door or window. The lock has a tongue (13) which can pivot to engage or disengage with a fixed frame part of a frame in which the door or window can slide. The lock has two buttons (16,17) which are respectively operable to move a lock (20,21,23,25,31) so the tongue (13) is moved to a first position (such as an unlocked condition) and to a second position (such as a locked condition).
A cylinder lock (not shown) can be used to lock the lock and therefore the tongue (13) in a locked condition.

REFERENCES:
patent: 2221110 (1940-11-01), Ross
patent: 2862378 (1958-12-01), Harris
patent: 2883227 (1959-04-01), Hoofe, III
patent: 3563068 (1971-02-01), Dushane, Jr.
patent: 4932694 (1990-06-01), Cater, Sr.
patent: 4995649 (1991-02-01), Magnusson
patent: 5028082 (1991-07-01), Kronbetter
patent: 5172520 (1992-12-01), Hostetler et al.

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