Window & door sash frictional locking device

Details Window & door sash frictional locking device Window & door sash frictional locking device

1994-02-04

1995-05-16

Kannan, Philip C.

Movable or removable closures

Mounted for optional movements

Edgewise separable stile-slide supports closure for vertical...

49181, E05D 1522

Patent

active

054149606

ABSTRACT:
A pivoting and sliding device is provided which incorporates a unique cam and frictional locking assembly. Rotation of a cam in a sliding block, slidably mounted within a track, produces lateral expansion and normal biasing of the slide block to frictionally engage four sides of the slide block with respective opposing track surfaces. A vertical or horizontal window or door sash may be pivoted out of the plane of the frame about a pair of slide blocks rigidly locked to the frame.

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patent: 5237775 (1993-08-01), Hardy

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