Door and window latch

Details Door and window latch Door and window latch

1992-02-03

1992-08-25

Moore, Richard E.

Closure fasteners

Braces

292277, 292DIG46, E05C 1724

Patent

active

051412721

ABSTRACT:
In general, latch devices for sliding patio doors are complicated and/or intended to lock a door fully closed. A simple device for latching a sliding door or window partly or fully open or fully closed includes a track for mounting on a frame opposite the side edge of a movable door or window panel; a slide for slidable mounting on the track; a bracket for mounting on the edge of the panel at the bottom thereof; a rod pivotally connected to the slide and to the bracket; a bolt slidable in a recess in the slide body which contains a spring for biasing the bolt outwardly against teeth on the track, the teeth normally permitting movement of the slide in one direction on the track so that the door can be closed but not opened; and a pin for insertion through the slide into the bolt to hold the bolt retracted in the slide, so that the door can move freely between the open and closed positions.

REFERENCES:
patent: 1056003 (1913-03-01), Burlew
patent: 1508029 (1924-09-01), Segal
patent: 1621934 (1927-03-01), Kintner
patent: 1965723 (1934-07-01), Rupp
patent: 4227725 (1980-10-01), Lindquist et al.
patent: 4263795 (1981-04-01), Van Gompel
patent: 4570985 (1986-02-01), Waldo et al.

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