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:
Jan. 09, 2024

Filed:

Dec. 30, 2020
Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Takumi Sugiura, Kariya, JP;

Akira Takagi, Kariya, JP;

Ryo Ishibashi, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 13/52 (2006.01); F16D 23/12 (2006.01); F16H 25/12 (2006.01); F16D 28/00 (2006.01);
U.S. Cl.
CPC ...
F16D 13/52 (2013.01); F16D 23/12 (2013.01); F16H 25/12 (2013.01); F16D 28/00 (2013.01); F16D 2023/123 (2013.01);
Abstract

At a drive cam slope groove, a groove bottom is sloped relative to one end surface of a drive cam such that a depth of the groove bottom continuously decreases from one side toward other side in a circumferential direction. At a drive cam planar groove, the groove bottom is parallel to the one end surface of the drive cam. A drive cam connection groove has: one end connected to an end of the drive cam slope groove located on the other side in the circumferential direction of the drive cam; and the other end connected to an end of the drive cam planar groove located on the one side in the circumferential direction. A slope angle of the groove bottom relative to the one end surface of the drive cam continuously changes from the one end to the other end of the drive cam connection groove.


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