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.
Patent No.:
Date of Patent:
Jun. 18, 2024
Filed:
Feb. 25, 2022
Applicant:
Dgshape Corporation, Hamamatsu, JP;
Inventors:
Kazuhito Miyamoto, Hamamatsu, JP;
Gota Yamamoto, Hamamatsu, JP;
Assignee:
DGSHAPE CORPORATION, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 3/157 (2006.01); B23B 31/26 (2006.01); B23Q 11/10 (2006.01); B23Q 11/12 (2006.01);
U.S. Cl.
CPC ...
B23Q 3/15706 (2013.01); B23B 31/265 (2013.01); B23Q 11/10 (2013.01); B23Q 11/127 (2013.01); Y10T 409/304032 (2015.01); Y10T 409/309464 (2015.01); Y10T 483/1783 (2015.01);
Abstract
A spindle includes a housing including a first opening, a bearing housed in the housing, a main shaft rotatably supported by the bearing, a collet chuck in a first through hole defined in the main shaft to grip a machining tool and being movable in an axial direction of the main shaft, a draw bar connected to the collet chuck, and a cover covering the first opening and including a second through hole through which the main shaft is disposed. The main shaft and the cover are disposed at a distance from each other.