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. 06, 2021
Filed:
Jan. 07, 2019
Applicant:
Makita Corporation, Anjo, JP;
Inventors:
Ryunosuke Kumagai, Anjo, JP;
Tokuo Hirabayashi, Anjo, JP;
Assignee:
MAKITA CORPORATION, Anjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25D 17/26 (2006.01); B25B 21/02 (2006.01); B25D 11/04 (2006.01);
U.S. Cl.
CPC ...
B25D 17/26 (2013.01); B25B 21/026 (2013.01); B25D 11/04 (2013.01);
Abstract
An impact driver includes a motor, a spindle rotated by the motor, a hammer that is movable forward and rearward with respect to the spindle and that has an inner peripheral portion facing the spindle, and an anvil struck in a rotational direction by the hammer. A grease supply path is provided to supply grease to the inner peripheral portion of the hammer.