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. 06, 2011
Filed:
Aug. 06, 2008
Kaneo Yoda, Okaya, JP;
Takato Hayashi, Minowa-machi, JP;
Yasushi Yajima, Minowa-machi, JP;
Satoru Shiohara, Shiojiri, JP;
Satoshi Kaneta, Azumino, JP;
Kaneo Yoda, Okaya, JP;
Takato Hayashi, Minowa-machi, JP;
Yasushi Yajima, Minowa-machi, JP;
Satoru Shiohara, Shiojiri, JP;
Satoshi Kaneta, Azumino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A sheet adsorption device includes a sheet adsorbing surface, a suction hole disposed on the sheet adsorbing surface, and a flow path shifting unit that shifts between a first state and a second state of a communication flow path that is communicated with the suction hole in accordance with existence of a sheet that covers the suction hole. The cross-section area of a flow path in the second state is smaller than that in the first state and the communication flow path is not closed in the second state.