Beltline hemming machine

Details Beltline hemming machine Beltline hemming machine

2005-01-18

2005-01-18

Crane, Daniel C. (Department: 3725)

Metal deforming

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

With interrelated clamp closer and tool mover

C072S452900, C029S243580

Reexamination Certificate

active

06843094

ABSTRACT:
A mechanism for hemming the beltline of a vehicle door panel is combined with a mechanism for hemming the outside perimeter of the door panel, and the two mechanisms are driven by a common drive. The beltline hemming steel acts on the beltline hem before the outside perimeter hemming steel acts on the outside perimeter hem, and lost motion in the actuation of the beltline hemming steel allows the beltline hemming steel to complete the beltline hem before the outside perimeter hem is completed. The lost motion mechanism provides reduced interaction or sensitivity between the steels, and the delay in the completion of the outside perimeter hem allows the entire hemming apparatus to be more easily tuned during set-up. The lost motion allows the entire mechanism to be less sensitive to variations in workpiece thickness.

REFERENCES:
patent: 6295858 (2001-10-01), Torito
patent: 61-216818 (1986-09-01), None
patent: 61-216819 (1986-09-01), None
patent: 5-169163 (1993-07-01), None
patent: 2000-237830 (2000-09-01), None

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