Tilt lock jambliner and slidable block

Details Tilt lock jambliner and slidable block Tilt lock jambliner and slidable block

E - Fixed Constructions

06

B

108/38

E06B 3/50 (2006.01) E05D 15/22 (2006.01)

Patent

CA 1322127

TILT LOCK JAMBLINER AND SLIDABLE BLOCK ABSTRACT OF THE DISCLOSURE The present invention is directed to a tilt lock jambliner and slidable block used with windows that both slide vertically and tilt inwardly. The window sash slides within the jambliner channel of a window frame. A pivot bar is fixedly attached to the window and is receivable within an opening in the slidable block. The slidable block is slidably mounted within the jambliner channel. The slidable block has a plurality of projections on one side which alternatingly engage a pro- jecting fin of the jambliner channel. The projections cause the pro- jecting fin to assume a wave shape. The interaction between the pro- jecting fin and the lowermost projections creates constant running friction. Running friction is adjustable using a threaded friction adjust- ing screw mounted In the slidable block. The uppermost projections form a V and have sharp locking corners. When the sash is rotated the biasing mechanism rotates the slidable block and forces the projections to engage the projecting fin and lock the slidable block and the sash in position.

593812

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