Manually operated shade lowering and raising mechanism for atriu

Details Manually operated shade lowering and raising mechanism for atriu Manually operated shade lowering and raising mechanism for atriu

1986-07-21

1987-09-22

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

046948775

ABSTRACT:
A manually operated device for raising and lowering shades on glass-enclosed atrium or greenhouse walls which includes a self-leveling feature which corrects for uneven shade position and enables one to operate a shade on an atrium or greenhouse wall without the use of a motor-driven system.
Also disclosed is a manually operated device for raising and lowering shades on glass-enclosed atrium or greenhouse walls which may be raised or lowered with one hand grasping a handhold on either side of the shade, making it unnecessary to use both handholds.

REFERENCES:
patent: 522383 (1894-07-01), Parker
patent: 2031157 (1936-02-01), Gilson
patent: 2229898 (1941-01-01), Pastva
patent: 3151666 (1964-10-01), Ford
patent: 4062146 (1977-12-01), Grossman
patent: 4557310 (1985-12-01), Castellew

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