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:
May. 31, 2022
Filed:
Sep. 26, 2017
Applicant:
Doosan Machine Tools Co., Ltd., Changwon-si, KR;
Inventor:
Chang-ho Lee, Changwon-si, KR;
Assignee:
DOOSAN MACHINE TOOLS CO., LTD., Changwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 11/00 (2006.01); B23Q 5/04 (2006.01); B23Q 5/58 (2006.01); B23C 1/14 (2006.01); B23Q 1/62 (2006.01); B23C 1/12 (2006.01);
U.S. Cl.
CPC ...
B23Q 11/0035 (2013.01); B23Q 5/04 (2013.01); B23Q 5/58 (2013.01); B23C 1/12 (2013.01); B23C 1/14 (2013.01); B23Q 1/623 (2013.01); B23Q 2220/004 (2013.01); B23Q 2220/006 (2013.01); Y10T 409/304312 (2015.01); Y10T 409/305656 (2015.01); Y10T 409/307672 (2015.01); Y10T 409/309352 (2015.01);
Abstract
A tool spindle for machine tool includes a tool spindle having a front end in which a tool is mounted and installed to be rotatable, and a vibration damping device mounted in a rear end of the tool spindle to damp cutting vibration generated at the front end of the tool spindle, and including a rigid member coupled to the rear end of the tool spindle and a tuned mass member elastically supported by the rigid member.