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:
Feb. 26, 1991
Filed:
Jul. 03, 1989
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q / ;
U.S. Cl.
CPC ...
29568 ; 279 / ; 408 35 ;
Abstract
A machine tool which has a chassis, a chuck support rotatably mounted on the chassis and removably carrying a plurality of chucks in a circular row and each holding an associated rotatable processing tool and a chuck carrier operable to remove one of the chucks, carried by the chuck support and brought to a predetermined position relative to the chassis, from the chuck support, and a chuck drive unit for driving the chuck, removed from the chuck carrier, to bring the processing tool into a condition ready to process a workpiece.