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:
Oct. 27, 2020
Filed:
Apr. 10, 2017
Daifuku Co., Ltd., Osaka-shi, JP;
Kunihiro Tsukamoto, Hinocho, JP;
Daifuku Co., Ltd., Osaka-shi, JP;
Abstract
An article transport apparatus includes a mast provided upright on the traveling body, an upper frame () coupled to an upper end portion of the mast and an upper rail (R) that guides movement of the upper frame (). Separately from guide rollers disposed on lateral opposite sides of the upper rail (R), a first roller (A) and a second roller (B) that are rotatable about vertical axes (P, P) are disposed on opposite sides of the upper rail (R). A first supporting member () supporting the first roller (A) is attached so as to be biased by a first biasing body () in a direction to push the first roller (A) against the upper rail (R), and a second supporting member () supporting the second roller (B) is attached so as to be biased by a second biasing body () in a direction to push the second roller (B) against the upper rail (R).