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:
Feb. 22, 2022
Filed:
Nov. 06, 2020
Lg Electronics Inc., Seoul, KR;
LG Electionics Inc., Seoul, KR;
Abstract
A washing machine includes a dewatering shaft for rotating a washing tub, a drive shaft for rotating a pulsator in the washing tub, a coupler configured to move up and down along the dewatering shaft, a solenoid configured to move the coupler, a coupler guide configured to be rotated by contact with the coupler moving upward and to fix a position the coupler or guide the coupler to move to another position by contact with the coupler, a fixed core that surrounds the solenoid, and a moving core disposed at a perimeter of the coupler and configured to move the coupler by magnetic flux. The moving core is configured to, based on moving upward to the fixed core, maintain a gap defined between the moving core and the fixed core within a set range.