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. 21, 2025
Filed:
May. 12, 2022
Adamant Namiki Precision Jewel Co., Ltd., Tokyo, JP;
Yasuyuki Kobayashi, Aomori, JP;
Ayumu Suto, Aomori, JP;
Orbray Co., Ltd., Tokyo, JP;
Abstract
A clutch device includes: an input disk; an output disk; and a biasing member configured to press the input disk and the output disk against each other, the input disk and the output disk contact or separate from each other in an axial direction, and at opposing surfaces thereof, respectively have tooth portions engageable with or disengageable from each other, at each tooth portion, recessed and raised portions extending in a radial direction are alternately provided in a circumferential direction, each of the recessed and raised portions is formed so that a width in the circumferential direction may outwardly expands in the radial direction, and engagement force in the axial direction is greater on an inside of the tooth portions in the radial direction than on the outside when the tooth portions of the input disk and the output disk pressed by the biasing member are fitted in each other.