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:
Mar. 28, 2000
Filed:
Oct. 13, 1998
Applicant:
Inventors:
Terrance M McInerney, Columbus, IN (US);
Robert J Stevens, Columbus, IN (US);
Assignee:
Impact Forge, Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K / ;
U.S. Cl.
CPC ...
72344 ; 2989334 ;
Abstract
A method and apparatus for ejecting a member from a die. The method includes the steps of rotating the member about its axis and axially displacing the member relative to the die. The ejector device includes an ejector having an axis and twisting means for rotating the ejector when the ejector is axially displaced. The invention further includes a formed member including a body being symmetric about an axis, a spiral protrusion extending from the body, and connecting means for rotationally coupling the body to an ejector device.