Extensible safety latch means for pivotable windows

Details Extensible safety latch means for pivotable windows Extensible safety latch means for pivotable windows

1976-07-16

1977-08-16

Moore, Richard E.

Closure fasteners

Extension link

Notched bar

292DIG4, 292DIG33, E05C 1706

Patent

active

040422666

ABSTRACT:
An extensible safety latch means comprising two telescoping bar members attached at their extremities to a fixed window frame and an inwardly pivotable window frame, the bars having a first key operated latch means for limiting movement of the pivotable window frame to a safe distance from the fixed window frame insufficient for passage of a child, and a second latch means for securing the movable window frame in an extended inward position as needed to clean the window.

REFERENCES:
patent: 565924 (1896-08-01), Richards
patent: 1140852 (1915-05-01), Roeder
patent: 1693860 (1928-12-01), Olson
patent: 2566182 (1951-08-01), Flynn

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