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:
May. 14, 2024
Filed:
Nov. 27, 2020
Koki Holdings Co., Ltd., Tokyo, JP;
Koki Holdings Co., Ltd., Tokyo, JP;
Abstract
Provided is a rotary tool with a compact tip tool holding portion (). The rotary tool is provided with a sleeve () attached to an output shaft () to switch a tip tool () between a fixed state and a detachable state. The output shaft () has a through hole () formed therein radially penetrating from the inside to the outside of a mounting hole thereof. The through hole () has a steel ball () provided therein such that at least a part of the steel ball () overlaps at least a part of a case (). The sleeve () defines a first position in the outward direction of the steel ball (), while the case () regulates a second position on the radially outer side of the first position.