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:
Nov. 26, 2024
Filed:
Jan. 18, 2023
Applicant:
Makita Corporation, Anjo, JP;
Inventors:
Assignee:
MAKITA CORPORATION, Anjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/04 (2006.01); H02K 7/14 (2006.01); H02K 21/16 (2006.01); B27B 9/00 (2006.01);
U.S. Cl.
CPC ...
H02K 7/04 (2013.01); H02K 7/145 (2013.01); H02K 21/16 (2013.01); B27B 9/00 (2013.01);
Abstract
A power tool includes a resin member in a rotor that is less susceptible to breaking. A power tool includes a stator, a rotor rotatable relative to the stator at a speed of 30000 rpm or greater, and an output unit drivable by the rotor. The stator includes a stator core, an insulator fixed to the stator core, and a coil held on the insulator. The rotor includes a rotor core having a slot, a permanent magnet received in the slot in the rotor core, and a resin member fixing the rotor core and the permanent magnet. The resin member includes an annular portion protruding from an end face of the rotor core. The annular portion includes a cut portion.