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. 11, 2012

Filed:

Jun. 26, 2008
Applicants:

Hayato Shimamura, Hyogo, JP;

Chikara Kayamuro, Hyogo, JP;

Inventors:

Hayato Shimamura, Hyogo, JP;

Chikara Kayamuro, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 3/00 (2006.01); F16D 3/28 (2006.01); F16D 3/70 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pulley assembly has a first body to engage a power transmission belt. The first body is rotatable around a first axis. A second body is movable relative to the first body around the first axis. First and second axially spaced elastic members each has a radially inner portion and a radially outer portion. One of: (a) the radially inner portions of the first and second members; and (b) the radially outer portions of the first and second members are: (i) coupled to move together around the first axis; and (ii) each movable relative to the first and second bodies around the first axis. The other of: (a) the radially inner portions of the first and second members; and (b) the radially outer portions of the first and second members are fixedly coupled, one each to the first and second bodies, to follow movement of the first and second bodies around the first axis.


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