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:
Sep. 27, 2022
Filed:
Dec. 06, 2019
Applicant:
Makita Corporation, Anjo, JP;
Inventor:
Tatsuo Nakashima, Anjo, JP;
Assignee:
MAKITA CORPORATION, Anjo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25F 5/00 (2006.01); B25B 21/02 (2006.01); B23B 45/00 (2006.01); F16H 3/72 (2006.01);
U.S. Cl.
CPC ...
B25F 5/001 (2013.01); B23B 45/008 (2013.01); B25B 21/02 (2013.01); B25F 5/006 (2013.01); F16H 3/724 (2013.01); B23B 2260/11 (2013.01);
Abstract
The durability of a reduction mechanism is improved. An impact wrench includes a brushless motor, a sun gear rotatable by the brushless motor, a planetary gear meshing with the sun gear, an internal gear meshing with the planetary gear and having a first recess on an outer circumference, a gear case holding the internal gear and having a second recess on an inner circumference, a spindle holding the planetary gear, and a pin disposed in the first recess and in the second recess.