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US 4,202,395 AGranted
Adjustable shade construction
AssigneeSundberg-Ferar, Inc.
InventorsRichard A. Heck, David J. Dekker
Life of this patent
Estimating the term…
Abstract
An adjustable shade structure embodying an expandable compactible shade member secured to upper and lower shade bars slidable engaged in a parallelogram cord system. The shade structure is supported upon a suitable frame, such as a window or door frame or upon a free standing floor supported frame.
Claims20
In an adjustable shade or screen construction mountable upon a supporting structure, the combination comprising
- a pair of spaced apart, independently manually adjustably movable shade bars,
- a pair of rollers rotatably disposed in each end of said shade bars, in planes parallel to the direction of movement of said shade bars,
- a shade or screen member secured to and disposed intermediate said shade bars.
- said shade or screen member being relatively flexible, compactable and expandible between said shade bars,
- a parallelogram cord system secured to said supporting structure and engaging said shade bars about selected portions of said rollers,
- and means mounted on said shade bars releasably engageable with portions of said cord system to adjustably secure said shade bars on said cord system,
- whereby said shade bars are movable independently and adjustably toward and away from each other upon said cord system.
4 more elements
The construction defined in claim, 17, wherein
- said cord system includes means to maintain said cord portions in relatively taut relationship to said shade bars.
Dependencies are inferred from the claim text.