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.

Date of Patent:
Sep. 02, 2003

Filed:

Mar. 08, 2001
Applicant:
Inventors:

Paul M. Zardus, Royal Oak, MI (US);

Pei-Chung Wang, Troy, MI (US);

Assignee:

General Motors Corporation, Detroit, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21J 1/502 ; B23P 1/902 ; B23P 1/100 ; B21B 4/504 ;
U.S. Cl.
CPC ...
B21J 1/502 ; B23P 1/902 ; B23P 1/100 ; B21B 4/504 ;
Abstract

A method and apparatus are provided for loosely attaching blind rivets to components of an assembly. The method includes attaching a rivet to an assembly while positioning the head at a predetermined clearance away from the adjacent one of the assembly components. One or both of the aligned openings in the components may be enlarged to leave radial clearance between the assembled rivet body and the enlarged openings. The apparatus includes a nose insert for use with or attachment to a rivet gun or attaching apparatus. The insert forms a stop engageable by a preformed rivet head to maintain a predetermined clearance between the rivet head and adjacent component when the rivet is attached to components forming an assembly.


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