Cording designs for operable arch window blind

Details Cording designs for operable arch window blind Cording designs for operable arch window blind

1991-09-18

1993-02-02

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Pleating type

Lazy-tong links pivot about axes parallel to panel

160134, E06B 906

Patent

active

051830922

ABSTRACT:
An arch-shaped window blind assembly that uses pleated blind fabric placed between two bars pivotably connected by a slotted hinge. The blind assembly travels through the open and closed positions by the use of a slide that is connected to one of the bars. A cord is tied to the slide and the cord is knotted. The cord and knot travel through a channel in a track. In another embodiment, a spring load friction catch is provided on the end of at least one bar.

REFERENCES:
patent: 451068 (1891-04-01), Park
patent: 823096 (1906-06-01), Armstrong
patent: 1512252 (1924-10-01), Verduin
patent: 1609877 (1926-12-01), Kendall
patent: 1933709 (1933-11-01), Cooper
patent: 2187242 (1940-01-01), Kesner
patent: 3134426 (1964-05-01), Cherubin
patent: 4699195 (1987-10-01), Lester
patent: 4776380 (1988-10-01), Lester
patent: 4825611 (1989-05-01), Bassett
patent: 4858669 (1989-08-01), Vinson
patent: 4934434 (1990-06-01), Schnebly et al.
patent: 4934436 (1990-06-01), Schnebly
patent: 5002112 (1991-03-01), Schnebly et al.

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