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:
Mar. 19, 2013
Filed:
Aug. 31, 2009
Applicants:
Toru Todoriki, Kawasaki, JP;
Yusuke Mitsuya, Yokohama, JP;
Yoshihiko Naruoka, Yokohama, JP;
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A valve unit which circulates and blocks air has a first block connected to upstream suction tubes, a second block facing this first block and connected to downstream suction tubes, a shield plate disposed in a space S between the first block and the second block, and a motor which rotates this shield plate. The shield plate is provided with a connection hole which connects the upstream suction tube to the downstream suction tube, and a connection hole which connects the upstream suction tube to the downstream suction tube.