Adjustable track and hinge for casement windows

Details Adjustable track and hinge for casement windows Adjustable track and hinge for casement windows

1995-01-13

1996-02-20

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

Swings on plural axes; e.g., pivotal link arms

49396, E05D 1530

Patent

active

054919304

ABSTRACT:
A hinge and track assembly for casement windows corrects for sash sag by changing the length of one arm in a multiple lever arm system controlling the opening of the window. The length adjustment may be accomplished with an expansion joint removed from the pivot points of the arm permitting the use of a more robust design for one pivot point which may be integrally formed with the track. The arm may be retained on the integral pivot point with a spring clip fitting within the pivot and providing inwardly flexing detents.

REFERENCES:
patent: Re32846 (1989-01-01), Sandberg et al.
patent: 2688779 (1954-09-01), Westman
patent: 4674149 (1987-06-01), Vetter
patent: 4726092 (1988-02-01), Tacheny et al.
patent: 4790106 (1988-12-01), La See
patent: 4833759 (1989-05-01), Larsen
patent: 4986028 (1991-01-01), Schneider et al.
patent: 5040267 (1991-08-01), Dallmann
patent: 5074075 (1991-12-01), La See
patent: 5152102 (1992-10-01), La See

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