Corner locking carrier shoe for tilt sash

Details Corner locking carrier shoe for tilt sash Corner locking carrier shoe for tilt sash

1997-08-19

2000-03-07

Stodola, Daniel P.

Movable or removable closures

Mounted for optional movements

Pivot mounted on sliding member; e.g., slide-stile

49176, 49445, 16197, E05D 1522

Patent

active

060324171

ABSTRACT:
A tilt sash counterbalance system has a carrier shoe with a locking cam that moves a locking component to a corner-to-corner locking position within a shoe channel. This is done by moving the locking component to a locked position where the locking component simultaneously increases both the width and the thickness of the carrier shoe. This presses the locking component into one inside corner of the shoe channel while pressing an opposite edge of the carrier shoe in a diagonally opposite direction against a diagonally opposite inside corner of the shoe channel.

REFERENCES:
patent: 3055063 (1962-09-01), Peters
patent: 4452012 (1984-06-01), Deal
patent: 4683676 (1987-08-01), Sterner, Jr.
patent: 4854077 (1989-08-01), Rogers et al.
patent: 5127192 (1992-07-01), Cross
patent: 5243783 (1993-09-01), Schmidt et al.
patent: 5353548 (1994-10-01), Westfall
patent: 5371971 (1994-12-01), Prete
patent: 5414960 (1995-05-01), O'Donnell et al.
patent: 5452495 (1995-09-01), Briggs
patent: 5806243 (1998-09-01), Prete et al.

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