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:
Dec. 26, 2023
Filed:
Mar. 09, 2023
Rexon Industrial Corp., Ltd., Taichung, TW;
Hung-Jung Chiang, Taichung, TW;
REXON INDUSTRIAL CORP., LTD., Taichung, TW;
Abstract
A planetary gear assembly includes a wheel hub surrounding an axis, and having an end face and a plurality of engaging recesses formed in the end face, and a planetary gear reduce mechanism including a sun gear disposed on and rotatable about the axis, a plurality of planet gears, and first and second ring gears. The planet gears angularly surround the sun gear and mesh with the sun gear and the first and second ring gears. The first ring gear is stationary relative to the planet gears. The second ring gear is arranged between the wheel hub and the first ring gear along the axis. The second ring gear includes a wheel-hub-facing face surrounding the axis and facing the end face, and a plurality of joining protrusions disposed on the wheel-hub-facing face and respectively complementary in shape with and respectively engage the engaging recesses.