Hardware and clutch mechanism for window treatment

Details Hardware and clutch mechanism for window treatment Hardware and clutch mechanism for window treatment

2006-01-03

2006-01-03

Johnson, Blair M. (Department: 3634)

Flexible or portable closure, partition, or panel

Pleating type

With preformed pleats

C160S17300V, C160S321000, C474S175000

Reexamination Certificate

active

06981539

ABSTRACT:
A window treatment support, such as a support for a cellular shade and other kinds of shades, includes a head rail, a clutch mounted on the head rail to support and operate a window treatment; and a cord engaging the clutch for selectively raising and lowering the window treatment. The clutch includes a pulley having a plurality of radial teeth defining a space sized to receive the cord. At least some of the teeth including a flexible projection forming an interference fit with the cord. The head rail is a bottom wall shaped to maximize the size of the clutch without substantially affecting the size of the head rail.

REFERENCES:
patent: 361573 (1887-04-01), Baville
patent: 5184660 (1993-02-01), Jelic

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