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:
May. 01, 2001

Filed:

May. 19, 1999
Applicant:
Inventor:

Ernst Zimmer, Friedberg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 3/902 ;
U.S. Cl.
CPC ...
B21D 3/902 ;
Abstract

The present invention pertains to a hemming device,with a hemming head,, which has one or more hemming tools,, divided into segments,through,in the case of a plurality of hemming tools, wherein the hemming tool or hemming tools is/are provided with a hemming edge,rotating in the operating position. The hemming device,also has a stroke drive for generating the hemming stroke and an adjusting device,for withdrawing and extending the segments,through,, which has an adjusting drive,, which moves all segments,through,simultaneously. The segments have adapted contact surfaces,, which have a contact angle &agr; of 20° to 50°. The adjusting drive,is preferably designed as a crank mechanism.


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