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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.:

US 9850964 B1

PDFFull Text
Date of Patent:
Dec. 26, 2017

Filed:

May. 20, 2015

Ratchet type one-way clutch and arrangement of pawl member therein

Applicant:

Nsk-warner K.k., Tokyo, JP;

Inventors:

Tsutomu Kawai, Fukuroi, JP;

Kazuyuki Fujita, Fukuroi, JP;

Masahiro Yamada, Fukuroi, JP;

Sousuke Kawai, Fukuroi, JP;

Assignee:

NSK-WARNER K.K., Tokyo, JP;

Attorney:

Shapiro, Gabor and Rosenberger, PLLC

Primary Examiner:

Jacob S Scott

Assistant Examiner:

Lori Wu

Int. Cl.
CPC ...
F16D 41/07 (2006.01); F16D 41/12 (2006.01); F16D 41/06 (2006.01);
U.S. Cl.
CPC ...
F16D 41/07 (2013.01); F16D 41/12 (2013.01); F16D 2041/0603 (2013.01);
Abstract

A ratchet type one-way clutch includes an outer race having a pocket, an inner race having a notch, a pawl member housed in the pocket to transmit torque between the inner race and the outer race, and having a tip portion engaging with the notch and a circular portion; and a spring urging the pawl member to the inner race is provided. A central angle of the circular portion is 180 degrees or greater. An angle between a segment between both ends of an opening of the circular arc portion and a segment between the circular portion of the pawl member and a contact point at which the tip portion engages with the notch is greater than 90 degrees, and an angle between the spring and a segment between the center of the circular portion and a center of the ratchet type one-way clutch is greater than 45 degrees.

Find Patent Forward Citations

Kawai, Tsutomu. (2017). Ratchet type one-way clutch and arrangement of pawl member therein (U.S. Patent No. 9850964). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9850964

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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