Hemming apparatus

Details Hemming apparatus Hemming apparatus

2008-11-18

2011-11-29

Ross, Dana (Department: 3725)

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

With interrelated clamp closer and tool mover

C072S452100, C072S452300, C029S243570, C029S243580

Reexamination Certificate

active

08065902

ABSTRACT:
A lower platen of the hemming apparatus is provided with a hem punch capable of being pressed against an inner periphery bent portion of a workpiece having a frame and a cam follower. The cam follower is disposed on the lower platen to come outside the frame of the workpiece. The cam follower and the hem punch are connected through a connecting member. An upper platen of the hemming apparatus is provided with a driver cam engageable against the cam follower. The driver cam moves the cam follower, whereby the hem punch is pressed against the inner periphery bent portion.

REFERENCES:
patent: 5050422 (1991-09-01), Dorsett
patent: 6295858 (2001-10-01), Torito
patent: 2006/0168789 (2006-08-01), Sasahara
patent: 2000-051971 (2000-02-01), None
patent: 3598489 (2004-09-01), None

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