Automatic wind-up screen device

Flexible or portable closure – partition – or panel – Roll type – With brake or stop

Reexamination Certificate

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Details

C160S302000

Reexamination Certificate

active

06938667

ABSTRACT:
An automatic winding screen device has a coil spring fixed to a bracket at one end of a winding box, the other end of the coil spring being fixed to a winding shaft, and a damper for alleviating impact and collision noise. Between the damper on a shaft fixed to the winding box and the winding shaft, a one-way clutch mechanism is interposed such that, when the winding shaft is rotated in a screen deploying direction, the connection between the damper and the winding shaft is cancelled while when the winding shaft rotates in a screen winding direction the damper is connected to the winding shaft.

REFERENCES:
patent: 471467 (1892-03-01), Crisson
patent: 4466475 (1984-08-01), Saito et al.
patent: 4513805 (1985-04-01), Mase
patent: 4535829 (1985-08-01), Fukuchi
patent: 4662423 (1987-05-01), Ishii
patent: 4838333 (1989-06-01), Mottura
patent: 5542464 (1996-08-01), Shiina
patent: 5634507 (1997-06-01), Kwoka
patent: 6155328 (2000-12-01), Welfonder
patent: 6378594 (2002-04-01), Yamanaka et al.
patent: 6591890 (2003-07-01), Grubb et al.
patent: 6629555 (2003-10-01), DeBlock et al.
patent: 922 831 (1999-06-01), None
patent: 10-306667 (1998-11-01), None
patent: 10-306668 (1998-11-01), None
patent: 2000-27570 (2000-01-01), None
patent: 2000-337057 (2000-12-01), None

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