Flexible or portable closure – partition – or panel – Pleating type – Lazy-tong links pivot about axes parallel to panel
Patent
1988-03-09
1989-05-02
Gibson, Jr., Robert W.
Flexible or portable closure, partition, or panel
Pleating type
Lazy-tong links pivot about axes parallel to panel
160279, 160107, E06B 394
Patent
active
048259292
ABSTRACT:
A window shade construction for a window having a generally rectangular window frame comprises a pair of flexible cords running substantially from the top to the bottom of the window and attached adjacent respective top and bottom ends of the window frame. Respective top and bottom header members are coupled for slidable movement along the cords. A pleated shade member has a first end coupled to the top header and an opposite end coupled to the bottom header, such that the pleated shade is expandable and collapsible in accordian-like fashion as the top and bottom headers are moved slidably along the cords. A cord tensioning arrangement is provided for engaging and tensioning the cords and for maintaining frictional engagement of the top and bottom headers with the cords for thereby permitting the top and bottom headers to be set at respective desired positions along the cords and for holding the headers in such desired positions and against unintended movement relative to the cords in response to vibration or the like.
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Bushnell Richard
Elkhart Door, Inc.
Gibson , Jr. Robert W.
Purol David M.
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