Closed loop control system for shade assembly

Details Closed loop control system for shade assembly Closed loop control system for shade assembly

1989-05-26

1993-03-23

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Pleating type

Lazy-tong links pivot about axes parallel to panel

248268, E06B 906

Patent

active

051955695

ABSTRACT:
A fenestration control includes a single loop cord in association with guide members and a drive pulley built into a generally channel-shaped framework and is specifically designed for use with pleated or cell-type shades. The entire shade assembly is capable of being removably installed within window openings and the like and may be operated manually, or by single or dual motor drives depending upon the size and load requirements of the shade.

REFERENCES:
patent: 1133360 (1915-03-01), Casper
patent: 1635700 (1927-07-01), Bijelow
patent: 1748734 (1930-02-01), Schroyer
patent: 1838320 (1931-12-01), Moore

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