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. 15, 1990
Filed:
Jul. 13, 1988
Applicant:
Inventor:
Richard H Gile, North Clarendon, VT (US);
Assignee:
Bryant Grinder Corporation, Springfield, VT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; B23B / ;
U.S. Cl.
CPC ...
36447406 ; 33642 ; 33644 ; 5116575 ; 82170 ; 36447434 ; 279 / ;
Abstract
An automatic workpart centering mechanism for a magnetic or other chuck of a machine tool is provided. A computer microprocessor controls a digital air pressure regulator and/or an air solenoid valve to supply air pressure to a pneumatic centering hammer to control striking force on a workpart as it is rotated by the chuck and held thereon by a given chuck holding force with the location of the striking force on the workpart also under control of the microprocessor.