Single actuation sash lock

Details Single actuation sash lock Single actuation sash lock

1995-03-27

1997-08-05

Lindsey, Rodney M.

Closure fasteners

Bolts

Swinging and camming

292240, 292207, 292DIG20, E05C 304

Patent

active

056534850

ABSTRACT:
An improved single actuation casement and awning window securing mechanism comprising two cams and a linking arm held in tension upon closing. The cams operate in unison in a clamshell fashion, such that closing and opening of the single actuation sash lock is accomplished in an easy and secure manner.

REFERENCES:
patent: 1794171 (1931-02-01), Grutel
patent: 3055996 (1962-09-01), Beebe et al.
patent: 3600019 (1971-08-01), Toyota et al.
patent: 3785684 (1974-01-01), Nakanishi
patent: 4095829 (1978-06-01), Van Klompenburg
patent: 4253688 (1981-03-01), Hosooka
patent: 4610472 (1986-09-01), Billingsley
patent: 4826222 (1989-05-01), Davis
patent: 4896905 (1990-01-01), Lehr et al.
patent: 5087087 (1992-02-01), Vetter et al.
patent: 5172944 (1992-12-01), Munich et al.

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