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:
Feb. 04, 2014
Filed:
Sep. 02, 2011
Hisashi Kyotani, Shiga, JP;
Hisashi Kyotani, Shiga, JP;
Daifuku Co., Ltd., , JP;
Abstract
An elevating conveyance device with improved versatility which can be utilized for transferring an automobile body in an automobile assembly line, etc., and according to a first aspect of the invention, the elevating conveyance device includes a multistage extensible column, a transfer means, and an extending and contracting drive mechanism, where the multistage extensible column includes a fixed column portion, one or more mid-stage elevating column portions, and a final-stage elevating portion, the transfer means is provided on the final-stage elevating portion, and the extending and contracting drive mechanism includes a counter weight supported on the fixed column portion movably vertically in a range of the height of the fixed column portion, a winding transmission tool which applies the gravity of the counter weight upward to the next mid-stage elevating column portion, an elevating drive means which drives and elevates the next mid-stage elevating column portion with respect to the fixed column portion, and winding transmission tools which convert an upward movement of the mid-stage elevating column portion into an upward movement of the next mid-stage elevating column portion or final-stage elevating portion.