Sash lock with improved tumbler

Details Sash lock with improved tumbler Sash lock with improved tumbler

1994-10-04

1996-07-16

Meyers, Steven N.

Closure fasteners

Bolts

Sliding and swinging

292338, 292DIG47, E05C 500

Patent

active

055360521

ABSTRACT:
A tumbler is pivotably mounted in a sash lock housing. In an extended position, an end of the tumbler limits movement of a window sash. A post in the housing extends through an eccentric bore in the tumbler. The bore defines a shelf or protrusion that urges the tumbler into engagement with the housing, thereby preventing over-rotation of the tumbler in the extended position. A spring urges the tumbler toward the extended position and cooperates with the protrusion to urge the tumbler into engagement with the housing.

REFERENCES:
patent: 417868 (1889-12-01), Janes
patent: 614741 (1998-11-01), Moore
patent: 1946833 (1934-02-01), Brown
patent: 4824154 (1989-04-01), Simpson
patent: 4895403 (1990-01-01), Osenkowski
patent: 4923230 (1990-05-01), Simpson
patent: 5248174 (1993-09-01), Matz et al.

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