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:
Jul. 07, 2009
Filed:
Apr. 14, 2005
Pei-chung Wang, Troy, MI (US);
Peter C. Sun, Rochester Hills, MI (US);
Robin Stevenson, Bloomfield, MI (US);
Charles W. Wampler, Ii, Birmingham, MI (US);
Pei-Chung Wang, Troy, MI (US);
Peter C. Sun, Rochester Hills, MI (US);
Robin Stevenson, Bloomfield, MI (US);
Charles W. Wampler, II, Birmingham, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
A system and method for self-piercing riveting including an alignment mechanism comprising laser diodes and sensors for facilitating alignment of a rivet gun and a back-up located on opposite sides of sheet metal parts to be joined, and an oscillation piercing technique for reducing force loads on structures, particularly robotic structures, carrying the rivet gun and the back-up.