Skylight window covering and control means therefor

Details Skylight window covering and control means therefor Skylight window covering and control means therefor

1989-03-23

1990-04-17

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Pleating type

Lazy-tong links pivot about axes parallel to panel

160107, E06B 9262

Patent

active

049171674

ABSTRACT:
A skylight window covering has a frame affixed to the room vertical or ceiling walls with a central opening lying opposite the skylight. A length of pleated fabric has one end secured to the frame and an opposite end held by a movable rail with ends sliding along the frame. A helically grooved rod has its ends journaled at one end to a 90.degree. gear box and is threaded within a nut on the end of the movable rail such that rod rotation adjustably positions the rail and pleated fabric. Resilient supports prevent the rod from drooping and are temporarily moved aside as the rail moves therepast and immediately spring back to supporting position. Adjustment driving of the rod can be accomplished manually or by a handheld electric motor.

REFERENCES:
patent: 4552196 (1985-11-01), Vechiarelli
patent: 4593737 (1986-06-01), Clemente
patent: 4723464 (1988-09-01), Kobayashi
patent: 4762160 (1988-08-01), Bechtold et al.

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