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:
Sep. 30, 2014
Filed:
Jun. 07, 2012
Yuichi Morimoto, Omihachiman, JP;
Tadahiro Yoshimoto, Shiga, JP;
Yuji Baba, Komaki, JP;
Daifuku Co., Ltd., Osaka, JP;
Abstract
An object of the invention is to provide a cleaning device for a ceiling transport facility in which a plurality of locations to be cleaned can be cleaned appropriately while avoiding having insufficient suction power for the plurality of cleaning suction portions. A travelling guide portion for a transport carriage is provided on the ceiling side. The cleaning carriage that can travel along the travelling guide portion is provided with a plurality of cleaning suction portions for performing suctioning action on a plurality of locations to be cleaned in the travelling guide portion and a vacuum cleaner which is in communication with the plurality of cleaning suction portions. The plurality of cleaning suction portions are divided to a plurality of functioning units. And an interrupting device is provided for selectively permitting and preventing the communication of each of the plurality of the functioning units with the vacuum cleaner.