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. 28, 2026
Filed:
Mar. 01, 2024
Lg Electronics Inc., Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A planetary gear assembly includes a gear housing, a carrier including a carrier flange positioned inside the gear housing, and a carrier shaft extending in an axial direction from the carrier flange toward a front side of the gear housing and coupled to a drum shaft, a sun gear including a front end that is coupled to the carrier while spaced apart from a back end of the drum shaft, and a back end that protrudes toward a back side of the gear housing and is coupled to a rotor frame of a motor, a key bolt including a bolt head coupled to the front end of the sun gear and a bolt shaft extending backward along the axial direction and penetrating the sun gear, pinion gears coupled to the carrier flange and tooth-coupled to the sun gear, and a ring gear tooth-coupled to the pinion gears.