Energy saving window lock

Details Energy saving window lock Energy saving window lock

1981-04-17

1983-09-20

Moore, Richard E.

Closure fasteners

Rod clamps

E05C 1720

Patent

active

044051662

ABSTRACT:
This energy saving and burglar proof lock enables windows to be adjustably opened to about six inches, at night, for allowing fresh air to circulate throughout a dwelling, thus allowing the air conditioner to be turned off, and it further serves to prevent anyone from entering the windows. It includes a pair of plates, one of which is secured to the window frame, and the other is secured to the bottom window. It further includes an indented or toothed rod, welded to one of the plates, and slidably received in the other, the rod being held secured by a spring-urged pin.

REFERENCES:
patent: 242281 (1881-05-01), Debacher
patent: 392030 (1888-10-01), Hodgkins
patent: 703252 (1902-06-01), Hamilton
patent: 1095714 (1914-05-01), Depper
patent: 1397450 (1921-11-01), Penny
patent: 1851701 (1932-03-01), Goll
patent: 3608940 (1971-09-01), Mueller
patent: 4005889 (1977-02-01), Patrick

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