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.

Date of Patent:
Feb. 03, 2026

Filed:

Mar. 31, 2021
Applicant:

Koki Holdings Co., Ltd., Tokyo, JP;

Inventors:

Ken Miyazawa, Ibaraki, JP;

Ryo Suzuki, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25F 5/02 (2006.01); B24B 23/02 (2006.01);
U.S. Cl.
CPC ...
B24B 23/02 (2013.01); B25F 5/02 (2013.01);
Abstract

The present invention addresses the issue of improving an assembly property. In a grinder, a paddle lever is rotatably connected to a rear housing. In addition, a rotating shaft that is rotatably supported by the rear housing is formed with the paddle lever, and a stopper part for regulating the rotation range of the paddle lever is formed with the rear housing. Furthermore, the rear housing and the paddle lever are each constituted by a single member. Through this, the assembly property of the grinder can be improved.


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