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:
Apr. 11, 1989
Filed:
Nov. 04, 1987
Applicant:
Inventors:
Richard Mueller, Lynchburg, VA (US);
Guenter Fietzke, Lynchburg, VA (US);
Assignee:
American Hofmann Corporation, Lynchburg, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C / ;
U.S. Cl.
CPC ...
409133 ; 408-2 ; 408 16 ;
Abstract
An apparatus and method for balancing a workpiece in which material is removed by advancing a drill, mill or the like into contact with the workpiece and thereafter removing material therefrom. A force transducer is coupled to the workpiece or tool holder to produce an electrical signal in response to the force resulting from contact between the tool and the workpiece to reliably and accurately indicate contact for zero depth reference of the material removing operation.