Guide roller seat for cord of window covering

Details Guide roller seat for cord of window covering Guide roller seat for cord of window covering

2008-03-18

2008-03-18

Johnson, Blair M. (Department: 3634)

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

C160S17300V, C160S170000

Reexamination Certificate

active

11253171

ABSTRACT:
A guide roller seat for a window covering includes a seat body, and a plurality of guide rollers rotatably mounted in the seat body to guide movement of a cord which is extended between an automatic winding mechanism and a covering body of the window covering. Thus, the cord is kept with a determined tension by the drawing action of the guide rollers, so that the cord is drawn by guidance of the guide rollers so as to fold or extend the covering body smoothly and evenly, thereby preventing the covering body from being tilted during the drawing action of the cord.

REFERENCES:
patent: 1949653 (1934-03-01), Moore
patent: 6725897 (2004-04-01), Palmer
patent: 6761203 (2004-07-01), Huang
patent: 6837294 (2005-01-01), Cheng et al.
patent: 2006/0096719 (2006-05-01), Wu
patent: 2006/0137830 (2006-06-01), Lin
patent: 2007/0107854 (2007-05-01), Jelic

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