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. 30, 2025

Filed:

Sep. 30, 2021
Applicants:

Citizen Watch Co., Ltd., Tokyo, JP;

Citizen Machinery Co., Ltd., Nagano, JP;

Inventors:

Atsushi Aoyagi, Kitasaku-gun, JP;

Kazutoshi Kitazawa, Kitasaku-gun, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 3/157 (2006.01); B23B 29/24 (2006.01); B23B 29/34 (2006.01); B23B 31/06 (2006.01); B23B 31/107 (2006.01); B23B 31/26 (2006.01); B23Q 3/155 (2006.01); B23B 29/32 (2006.01); B23Q 3/12 (2006.01);
U.S. Cl.
CPC ...
B23Q 3/157 (2013.01); B23B 29/24 (2013.01); B23B 29/34 (2013.01); B23B 31/06 (2013.01); B23B 31/107 (2013.01); B23B 31/263 (2013.01); B23Q 3/155 (2013.01); B23B 29/323 (2013.01); B23B 2231/50 (2013.01); B23B 2260/136 (2013.01); B23Q 3/12 (2013.01); B23Q 2003/15586 (2013.01);
Abstract

A tooling exchange mechanism and a machine tool having the tooling exchange mechanism, in which a load applied to a turret is reduced when exchanging a tooling in the machine tool, are provided with a pressing memberof a tooling detachment unitthat presses the rear end of a tooling holding unitto be able to release the retracted state of a tool holder Th of a tooling T by a tool holder holding portionof the tooling holding unit, and a locking leverof the tooling detachment unitengageable with an engaging projectionformed on the rear end side of the tooling holding unit


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