US 6,981,539 B2 | ||
Hardware and clutch mechanism for window treatment | ||
Richard Fraczek, Stamford, Conn. (US) | ||
Assigned to Rollease, Inc., Stamford, Conn. (US) | ||
Filed on Mar. 24, 2004, as Appl. No. 10/809,314. | ||
Claims priority of provisional application 60/456974, filed on Mar. 24, 2003. | ||
Prior Publication US 2005/0211394 A1, Sep. 29, 2005 | ||
Int. Cl. A47H 11/06 (2006.01) |
U.S. Cl. 160—84.05 | 16 Claims |
1. A window treatment support comprising:
a head rail;
a pulley disposed on said head rail to operate a window treatment; and
a cord engaging said pulley for selectively raising and lowering the window treatment;
wherein said pulley having a plurality of integral radial teeth defining a space sized to receive said cord, at least some
of said teeth including an integral flexible projection extending into said space, said flexible projection being arranged
and constructed to flex when said cord is disposed in said channel thereby forming an interference fit with said cord, said
pulley, teeth and flexible projections being molded together from the same material.
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