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:
Apr. 30, 2019
Filed:
Sep. 27, 2017
Kawasaki Jukogyo Kabushiki Kaisha, Hyogo, Kobe-shi, JP;
Tetsuya Matsuoka, Kakogawa, JP;
Hiroyasu Nishikawa, Kobe, JP;
Takahiko Banno, Kobe, JP;
Masato Asahara, Akashi, JP;
Kazuhiro Sato, Akashi, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Hyogo, Kobe-shi, JP;
Abstract
In a planetary gear device including: a sun gear; a plurality of planet gears; a ring gear; and a tubular support member connected to the ring gear so as to rotate together with the ring gear; an outward flange provided at the ring gear and projecting radially outward and extend over an entire periphery thereof; an wavy inward flange provided at the tubular support member and having a plurality of projection pieces projecting radially inward over an entire periphery thereof, the outward flange and the inward flange are fastened to each other by means of bolts and nuts, and the inward flange has a plurality of recesses formed between the plurality of projection pieces and the plurality of recesses include shallow first recesses and second recesses deeper than the first recesses such that depth of the recesses becomes greater at regular intervals.