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. 01, 1997
Filed:
Dec. 27, 1994
Michael J Habel, Ann Arbor, MI (US);
Larry A Peterson, Grosse Ile, MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
An apparatus for preparing a surface of a cylinder bore by electrical discharge machining includes a rotatable spindle and at least one electrode operatively connected to a power source and rotatably supported upon the spindle, the electrode being movable radially relative to the surface of the cylinder bore between a first retracted position such that the electrode is positioned within the cylinder bore prior to preparing the surface and at a second position spaced from the first position wherein the electrode is adjacent the surface of the cylinder bore for preparing the surface by electrical discharge machining as the electrode rotates with the spindle.