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:
Dec. 06, 2022

Filed:

Oct. 03, 2018
Applicants:

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

Citizen Machinery Co., Ltd., Kitasaku-gun Nagano, JP;

Inventors:

Koichi Yabe, Tokorozawa, JP;

Yosuke Ando, Kokubunji, JP;

Yosuke Wada, Kawagoe, JP;

Wataru Katagishi, Osaki, JP;

Assignees:

CITIZEN WATCH CO., LTD., Nishitokyo, JP;

CITIZEN MACHINERY CO., LTD., Kitasaku-gun Nagano, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 11/12 (2006.01);
U.S. Cl.
CPC ...
B23Q 11/127 (2013.01); Y10T 409/303976 (2015.01); Y10T 409/309352 (2015.01);
Abstract

A machine tool () includes a spindle () supported on a support surface () of a support body () with such an orientation that the longitudinal axis of the spindle extends along the support surface (). The spindle () is movable in a vertical direction that is perpendicular to the longitudinal axis of the spindle (). The support body () is provided with a ventilation hole () extending through the support body () between the support surface () and a surface () facing in the direction opposite to the support surface (), to open toward the spindle ().


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