Flexible or portable closure – partition – or panel – Roll type – With brake or stop
Reexamination Certificate
2007-06-26
2007-06-26
Purol, David (Department: 3634)
Flexible or portable closure, partition, or panel
Roll type
With brake or stop
C160S295000
Reexamination Certificate
active
10530710
ABSTRACT:
The present invention relates to a reduction device for a roll screen, as a compressive piston of a reduction part comes in and out inside of a cylinder combined with a one end of inside of a winding bar, to a device being capable of winding and loosening the roll screen easily and conveniently, more particularly to a device being capable of preventing a noise, an impact and a safety-accident and being capable of operating easily without distinction of age or sex, young and old, men and women all alike, due to a winding of the roll screen by way of reducing a speed of the roll screen with a definite section while the roll screen is wound.
REFERENCES:
patent: 1885400 (1932-11-01), Ygger
patent: 5437324 (1995-08-01), Sternquist
patent: 6155328 (2000-12-01), Welfonder
patent: 6467714 (2002-10-01), Rasmussen
patent: 6938667 (2005-09-01), Sugiyama et al.
patent: 6955207 (2005-10-01), Minder
patent: 0976909 (2000-02-01), None
patent: 8-49484 (1996-02-01), None
patent: 1217973 (2000-01-01), None
patent: 2000-80872 (2000-03-01), None
patent: 2000-320278 (2000-11-01), None
English Language abstract of JP 12-17973.
English Language abstract of JP 8-49484.
English Language abstract of JP 2000-320278.
English Language abstract of JP 2000-80872.
Greenblum & Bernstein P.L.C.
Purol David
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