Structure of window shade

Details Structure of window shade Structure of window shade

1987-05-07

1989-03-28

Gibson, Jr., Robert W.

Flexible or portable closure, partition, or panel

With hood, canopy, shield storage chamber, or outrigged...

For roll type

160310, A47H 100

Patent

active

048155152

ABSTRACT:
An improved window shade structure which comprises two sets of brackets mounted on a window frame; two rollers, to be fixed on the brackets; a shade to the be fixed to rollers and having length larger than the distance between the two rollers; a driving mechanism with a motor therein to drive the shade to move and wind the shade between the two rollers; and

REFERENCES:
patent: 1367031 (1921-02-01), Fedders
patent: 1743345 (1930-01-01), Heilweil et al.
patent: 1830364 (1931-11-01), Knudson
patent: 2055511 (1936-09-01), Twiss
patent: 2404257 (1946-07-01), Thomas
patent: 3186473 (1965-06-01), Myers et al.
patent: 3583465 (1971-06-01), Youngs
patent: 3747132 (1973-07-01), Foster

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