Lift cord adjustment system

Details Lift cord adjustment system Lift cord adjustment system

1999-02-18

2000-08-01

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Pleating type

With preformed pleats

1601681R, 1601781R, E06B 348

Patent

active

060952229

ABSTRACT:
A system for adjusting the length of lift cords used for raising and lowering a bottom rail of a window covering with respect to a head rail includes a receiving element for each lift cord located in the bottom rail and moveable along the length of the bottom rail. A locking element for each receiving element is arranged for being selectively inserted into the receiving element along the bottom rail. The lift cord is attached to one of the receiving element or the locking element. In its most preferred form, the window covering is a fabric window covering, such as a cellular window covering, the receiving element includes a channel which contains at least one cell of the fabric, and the locking element includes a wedge-shaped plate to be inserted into the channel.

REFERENCES:
patent: 2600062 (1952-06-01), Lorentzen
patent: 2861631 (1958-11-01), Anderle
patent: 3282890 (1966-11-01), Preziosi
patent: 4673018 (1987-06-01), Judkins
patent: 4722382 (1988-02-01), Vecchiarelli
patent: 4886102 (1989-12-01), Debs
patent: 4901419 (1990-02-01), Voss
patent: 5482100 (1996-01-01), Kuhar
patent: 5655590 (1997-08-01), Bryant
patent: 5918656 (1999-07-01), Daniels

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