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:
Oct. 02, 2007

Filed:

Aug. 21, 2006
Applicants:

Keigo Kitajima, Sakai, JP;

Shingo Matsuo, Sakai, JP;

Hirokazu Hiraoka, Sakai, JP;

Yutaka Inoue, Sakai, JP;

Inventors:

Keigo Kitajima, Sakai, JP;

Shingo Matsuo, Sakai, JP;

Hirokazu Hiraoka, Sakai, JP;

Yutaka Inoue, Sakai, JP;

Assignee:

Shimano Inc., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01K 89/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

A spool for preventing backlash includes a bobbin trunk, a rear flange portion, and a front flange portion. The front flange portion includes a first protruding portion and a first oblique portion that protrudes upward and forward from a tip of the first protruding portion. The rear flange portion includes a second protruding portion and a second oblique portion that protrudes upward and rearward from a tip of the second protruding portion. A length in the radial direction of the second protruding portion is approximately the same as a length of the first protruding portion.


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