Shade construction

Flexible or portable closure – partition – or panel – Pleating type – Lazy-tong links pivot about axes parallel to panel

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Details

160264, E06B 394

Patent

active

049344358

ABSTRACT:
A shade construction of the type in which a vertically hanging sheet of shade material is divided by pleats into shade panels, each of which will fold into a forwardly-directed folded configuration upon retraction of the shade, includes a rearwardly-extending loop in the shade material at each pleat, the loop having portions extending in directions parallel to the hanging sheet of shade material so as to assure that the shade material is bent sharply rearwardly at transition portions of the shade material where the panels meet the pleats such that the shade material itself will bias each panel into an aesthetically well-formed forwardly-directed folded configuration. In one embodiment, the shade includes a forwardly-extending loop at each pleat in addition to rearwardly-extending loops, such that the forwardly-extending loop establishes a pleasing aesthetic effect, while the rearwardly-extending loops assure that the shade material is bent sharply rearwardly at the transition from the panels to the pleats to bias each panel into the desired forwardly-directed folded configuration.

REFERENCES:
patent: 1752610 (1930-04-01), McSpadden
patent: 3375818 (1968-04-01), Luther
patent: 3487875 (1970-01-01), Shukat et al.
patent: 3777800 (1973-12-01), Susoev
patent: 4069857 (1978-01-01), Brookshire
patent: 4665964 (1987-05-01), Zommers
patent: 4683933 (1987-08-01), Dunbar
patent: 4712598 (1987-12-01), Bonacci et al.
patent: 4741375 (1988-05-01), Milford et al.

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