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. 23, 1999
Filed:
Aug. 31, 1998
Applicant:
Inventor:
Fumio Kameyama, Nagoya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23C / ;
U.S. Cl.
CPC ...
409233 ; 408238 ; 409231 ; 483 44 ; 483 49 ;
Abstract
A machine tool includes a spindle to which a tool is detachably attached to be clamped, an unclamping lever provided for rocking motion and having two ends, rocking means for rocking the unclamping lever, a releasing section provided in the spindle so as to be pressed by the unclamping lever when the unclamping lever is rocked by the rocking means with a tool being clamped by the spindle, thereby releasing the tool from a clamped state, and a support shaft for rockably supporting the unclamping lever, the support shaft being movable axially with respect to the spindle.