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:
Apr. 22, 2014

Filed:

Apr. 09, 2009
Applicants:

Koji Yamada, Toyota, JP;

Toshitaka Kamikubo, Okazaki, JP;

Kiyotaka Shiga, Okazaki, JP;

Yoshihito Yamaguchi, Toyota, JP;

Inventors:

Koji Yamada, Toyota, JP;

Toshitaka Kamikubo, Okazaki, JP;

Kiyotaka Shiga, Okazaki, JP;

Yoshihito Yamaguchi, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 3/12 (2006.01); B23B 31/00 (2006.01); B23Q 11/00 (2006.01);
U.S. Cl.
CPC ...
B23Q 3/12 (2013.01); B23B 31/00 (2013.01); B23Q 11/00 (2013.01);
Abstract

A tool holder fixing structure is arranged to fix a tool holder for holding a tool attached with a throwaway tip to a tool-holder holding part of a machine tool so that a foreign-matter receiving clearance is provided between the tool holder and the tool-holder holding part. The foreign-matter receiving clearance is defined in a range of +30° to −30° from a cutting-edge position of the throwaway tip assumed as an original point and in a range of 150° to 210° from the original point, respectively.


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