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.

Patent No.:

US 6974378 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 13, 2005

Filed:

Jun. 30, 2003
Applicants:

Hidehiko Osada, Fuji, JP;

Mitsuaki Fujita, Fuji, JP;

Inventors:

Hidehiko Osada, Fuji, JP;

Mitsuaki Fujita, Fuji, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60H001/34 ;
U.S. Cl.
CPC ...
Abstract

A ventilator includes: a plurality of louvers arranged in parallel from one end to the other end of one direction at a supply opening formed in a case; shaft pins respectively formed on both ends at one ends of the louvers and inserted into a plurality of shaft holes; the operation pins being inserted into a plurality of operation holes formed along a longitudinal direction of a link with predetermined intervals; and a standard louver being opened and closed with the shaft pins serving as a center of opening and closing, wherein, gaps (A) between the operation holes on the link are set so as to be larger than gap (B) between a line connecting the shaft pins of the standard louver and the operation pin.


Find Patent Forward Citations

Osada, Hidehiko. (2005). Ventilator (U.S. Patent No. 6974378). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6974378

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

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