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:
Sep. 20, 2022

Filed:

Apr. 27, 2017
Applicant:

Mitsuboshi Belting Ltd., Kobe, JP;

Inventors:

Hayato Shimamura, Hyogo, JP;

Katsuya Imai, Hyogo, JP;

Ryosuke Dan, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 55/36 (2006.01); F16D 41/20 (2006.01);
U.S. Cl.
CPC ...
F16H 55/36 (2013.01); F16D 41/206 (2013.01);
Abstract

A pulley structure may be equipped with an outer rotating body, an inner rotating body, and a coil spring. The pulley structure has a cross section of the spring wire of the coil spring along a direction running along the rotational axis and parallel to the rotational axis being a trapezoidal shape, and the length of an inner-diameter-side portion in the rotational axis direction in the cross section being greater than the length of an outer-diameter-side portion in the rotational axis direction in the cross section.


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