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:
Oct. 15, 1991
Filed:
Oct. 31, 1989
Applicant:
Inventor:
Marco Sartori, Piacenza, IT;
Assignee:
JOBS S.p.A., Piacenza, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C / ;
U.S. Cl.
CPC ...
409201 ; 409211 ; 409216 ; 409231 ;
Abstract
The invention relates to the chuck unit of an operating head for automatic machine tools in which the operating head is the type comprising a fork, fitted to the end of a mobile arm and equipped with a number of degrees of freedom, to which the chuck unit is hinged; the chuck unit comprises a chuck and equipment designed to rotate the chuck so that it slides axially. The unit in accordance with the invention is designed for use with a brushless motor and automatic equipment which varies the velocity ratio between the said motor and the chuck.