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:
Jul. 01, 2025
Filed:
Feb. 01, 2023
Komatsu Ltd., Tokyo, JP;
KOMATSU LTD., Tokyo, JP;
Abstract
A planetary gear mechanism includes a plurality of planetary gears with helical teeth, a sun gear disposed inside the plurality of planetary gears to mesh with the plurality of planetary gears, a ring gear disposed outside the plurality of planetary gears to mesh with the plurality of planetary gears, a plurality of shafts rotatably supporting the plurality of planetary gears, a first support wall supporting first ends of the plurality of shafts, a second support wall supporting second ends opposite to the first ends of the plurality of shafts, and a plurality of connecting sections arranged between the planetary gears adjacent in a circumferential direction. The second support wall is disposed opposite to the first support wall. The plurality of connecting sections connect the first support wall and the second support wall. Each connecting section includes first and second end portions connected to the first and second support walls.