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:
Nov. 25, 2014
Filed:
Jan. 25, 2013
Applicant:
Hsuan-lung Wu, Taichung, TW;
Inventor:
Hsuan-Lung Wu, Taichung, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 31/12 (2006.01); B23B 31/20 (2006.01);
U.S. Cl.
CPC ...
B23B 31/204 (2013.01);
Abstract
A chuck device includes front and rear collets, a driving ring, and a driving sleeve. The driving ring and the driving sleeve can be driven hydraulically to move toward or away from each other. When the driving ring and the driving sleeve are moved hydraulically away from each other, each of the front and rear collets is moved to a release position, when the driving ring and the driving sleeve are moved hydraulically toward each other, each of the front and rear collets is moved to a clamping position.