Cam adjustment device for casement window unit

Details Cam adjustment device for casement window unit Cam adjustment device for casement window unit

1992-08-06

1994-07-12

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

RE0346578

ABSTRACT:
A track and hinge assembly set for with a casement window sash unit comprises a pair of track and hinge assemblies each including a track which is mounted on a horizontal frame member of the window frame. Each assembly also includes a toggle hinge including a pair of pivotally interconnected links, one of which is secured to the casement sash and pivotally and slidably connected to the track. The other link is pivotally connected to a cam which is shiftably mounted on the track. In one embodiment, the cam is longitudinally shiftable relative to the track which repositions the pivotal connection between a toggle link and cam to overcome sash sag. In other embodiments, the cam rotated relative to the track to reposition the pivotal connection between the cam and a toggle link to correct sash sag.

REFERENCES:
patent: 4790106 (1988-12-01), La See

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