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 7735802 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 15, 2010

Filed:

Oct. 03, 2007
Applicant:

Tokuyuki Akabane, Nagano, JP;

Inventor:

Tokuyuki Akabane, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A damper device may include a frame provided with an opening part, a baffle turnably supported on the frame, and a drive unit for turnably driving the baffle to open and close the opening part. The drive unit may include an output member whose tip end side is provided with an engagement part with the baffle and which is linearly advanced and retreated to and from the baffle to turnably drive the baffle. Further, the damper device includes a wall part provided between the driving part and the baffle and formed with an output hole part through which the output member is penetrated. The engagement part is located apart from a first moving extended axis which is formed by movement of the output member penetrating through the output hole part.


Find Patent Forward Citations

Akabane, Tokuyuki. (2010). Damper device (U.S. Patent No. 7735802). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7735802

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

Loading…