Motor driven shade lowering and raising mechanism for atrium wal

Details Motor driven shade lowering and raising mechanism for atrium wal Motor driven shade lowering and raising mechanism for atrium wal

1984-07-16

1987-08-04

Britts, Ramon S.

Flexible or portable closure, partition, or panel

Roll type

With guides or fabric edge holders

160 84R, E06B 9204, E06B 9322

Patent

active

046839330

ABSTRACT:
A motor driven device for raising and lowering shades on glass-enclosed atrium walls, including a self-leveling feature which corrects for uneven shades and permits shades of different lengths to be operated from the same motor and shaft.

REFERENCES:
patent: 106211 (1870-08-01), Root
patent: 2031157 (1936-02-01), Gilson
patent: 3016951 (1962-01-01), Greene
patent: 3151666 (1964-10-01), Ford
patent: 3315727 (1967-04-01), Clark
patent: 3481073 (1969-12-01), Yoshida et al.
patent: 3510996 (1970-05-01), Popil
patent: 3613765 (1971-10-01), Sivin
patent: 3672425 (1972-06-01), Schulze-Robbecke
patent: 4557310 (1985-12-01), Castellaw
patent: 4596093 (1986-06-01), Esposito

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