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.:
Date of Patent:
Dec. 25, 2007
Filed:
Jun. 23, 2005
Takahiro Tokunaga, Kosai, JP;
Tokuhisa Takeuchi, Chita-gun, JP;
Masahiro Ito, Takahama, JP;
Koji Ito, Nagoya, JP;
Takahiro Tokunaga, Kosai, JP;
Tokuhisa Takeuchi, Chita-gun, JP;
Masahiro Ito, Takahama, JP;
Koji Ito, Nagoya, JP;
DENSO Corporation, Kariya, JP;
Abstract
An air passage switching device includes a film member for opening and closing an opening portion of an air passage, and the film member has a first end portion fixed to a peripheral portion of the opening portion and a second end portion fixed to a winding shaft. The winding shaft is capable of moving in a first direction separated from the first end portion of the film member and in a second direction approaching the first end portion of the first member while rotating. In the air passage switching device, an actuator for operating the winding shaft is disposed in an interior of the winding shaft and is fixed by a fixing member, the winding shaft is disposed rotatably relative to the fixing member, and the fixing member is moved in the first direction or the second direction together with the winding shaft by a guide unit.