The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 30, 2002

Filed:

Nov. 25, 1998
Applicant:
Inventors:

Hiroomi Yamanaka, Tokyo, JP;

Ken-ichiro Egami, Tokyo, JP;

Masayuki Akimoto, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47G 5/02 ;
U.S. Cl.
CPC ...
A47G 5/02 ;
Abstract

A roll screen comprises side plates, a winding pipe rotatably supported on the side plates, a spring mounted in the winding pipe, a screen to be wound on the winding pipe by the accumulated force of the spring, and a brake mounted in the winding pipe for decreasing a winding speed of the screen from a final stage of the winding of the screen. The clutch case is engaged with the brake from a final stage of the winding of the screen, and the brake is operated so that the winding speed of the screen can be decreased.


Find Patent Forward Citations

Yamanaka, Hiroomi. (2002). Roll screen (U.S. Patent No. 6378594). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6378594

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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