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:
Sep. 30, 2003
Filed:
Jan. 30, 2002
Applicant:
Inventors:
Richard W. Varsell, Bristol, CT (US);
Donald Joseph Voisine, Terryville, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H 1/00 ; B23H 9/00 ;
U.S. Cl.
CPC ...
B23H 1/00 ; B23H 9/00 ;
Abstract
A fixture for securing a workpiece, which includes: a base; a plurality of locators on the base for accepting the workpiece; a plurality of arms, each secured to the base at a pivot point; and a lever for actuating the arms against the workpiece. The arms positively position the workpiece against the locators. The fixture is part of an electrical discharge machining (EDM) apparatus, which also includes a tank and a holder for supporting an electrode in said tank. The lever actuates towards a front of the tank.