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. 03, 2015
Filed:
Nov. 15, 2011
Tetsuya Matsuoka, Kakogawa, JP;
Hiroyasu Nishikawa, Kobe, JP;
Kazuhiro Sato, Kakogawa, JP;
Hideyuki Imai, Akashi, JP;
Tatsuhiko Goi, Kobe, JP;
Tetsuya Matsuoka, Kakogawa, JP;
Hiroyasu Nishikawa, Kobe, JP;
Kazuhiro Sato, Kakogawa, JP;
Hideyuki Imai, Akashi, JP;
Tatsuhiko Goi, Kobe, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Hyogo, JP;
Abstract
Provided is a planetary gear reducer including: a sun gear fixed concentrically to a power input shaft; a plurality of planet gears meshing with the sun gear; a ring gear meshing with the planet gears; a planet carrier configured to support a plurality of planet shafts, each of which is a rotational axis of a corresponding one of the planet gear, and to output revolution of the plurality of planet gears as first power; and a cylindrical support connected to the ring gear, non-rotatable relative to the ring gear, and configured to output rotation of the ring gear as second power. The cylindrical support includes, at one part along the direction of a central axis, a flexible structure which is curved radially inward and has a V-shaped longitudinal section. This configuration improves rigidity and prevents misalignment without increasing the weight of the gear reducer.