Latch device for sliding windows

Details Latch device for sliding windows Latch device for sliding windows

2006-08-29

2006-08-29

Estremsky, Gary (Department: 3676)

Closure fasteners

Bolts

Sliding

C292S156000

Reexamination Certificate

active

07097214

ABSTRACT:
A latch device for sliding windows includes a casing fixed to a sliding window and having a latch member movably received in the casing. The latch member is biased by a spring and includes two latches. A driving assembly includes a driving member from which an eccentric protrusion extends which is movably engaged with a plate of the latch member. The latch member retractably retracted through a front wall of the casing by operating the driving assembly when opening the window. The latch member includes an inclined surface which allows the latch member to be automatically retracted when closing the window without operating the handle.

REFERENCES:
patent: 491285 (1893-02-01), Hermann
patent: 1349046 (1920-08-01), Chaffee
patent: 1654221 (1927-12-01), Kline
patent: 1713026 (1929-05-01), Chaffee
patent: 2033085 (1936-03-01), Schunk
patent: 2253495 (1941-08-01), Cordrey et al.
patent: 3216756 (1965-11-01), Ahlgren
patent: 5044181 (1991-09-01), Roop et al.

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