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:
Jun. 04, 2024
Filed:
Apr. 13, 2020
Makita Corporation, Anjo, JP;
Yonosuke Aoki, Anjo, JP;
MAKITA CORPORATION, Anjo, JP;
Abstract
A work tool includes a housing, a spindle, a motor a transmitting mechanism, and a heat dissipation part. The transmitting mechanism is configured to transmit rotation of a first shaft of the motor to the spindle to cause the spindle to rotary oscillate. The transmitting mechanism includes a metal second shaft coupled to the first shaft and having an eccentric part, a drive bearing including an inner ring fixed around the eccentric part, an outer ring, a plastic retainer arranged between the inner ring and the outer ring, and rolling elements rollably retained by the retainer, and an oscillating member having a first end portion fixed to the spindle and a second end portion abutting on an outer periphery of the outer ring. The heat dissipation part is made of metal, arranged in contact with the second shaft and configured to rotate integrally with the second shaft.