Window shade assembly

Details Window shade assembly Window shade assembly

E - Fixed Constructions

06

B

160/18

E06B 9/08 (2006.01) E06B 9/44 (2006.01) E06B 9/90 (2006.01)

Patent

CA 1112149

ABSTRACT A window shade apparatus which may be customized to a selected width within a predetermined range by the ultimate user without the use of tools at the point of use, which includes a two-piece telescopically adjustable shade roller, and a sheet of flexible, web like shade material, the width of which can be substantially conformed to the adjusted length of the shade roller, by separating a marginal side portion of the shade material from the balance of the shade material, along a selected one of a plurality of pre-cut lines of weakness, the lines of weakness being relatively imperceptible by the unaided human eye when viewed at a reasonable distance. A bottom window shade slat assembly, continuously adjustable within a predetermined range, and an enclosed, substantially dust-free releasable automatic locking device for the shade roller, utilizing a ratchet and counter-balanced and centrifugally actuated pawls, are also disclosed.

254811

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