Roller hemming machine

Metal deforming – By use of roller or roller-like tool-element – Comprising tool movable relative to stationary work-portion...

Reexamination Certificate

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Details

C072S214000, C029S243570

Reexamination Certificate

active

07124611

ABSTRACT:
A hemming machine having a nest adapted to support a part to be hemmed. A hold down is movable between a retracted position in which the hold down is spaced from the part and an extended position in which the part is sandwiched between the hold down and the nest and a guide surface is formed around the periphery of the hold down. A hemming head having a roller hemmer assembly and mounted to and manipulated by a robotic arm. The roller assembly includes a first roller which engages the guide surface during a roller prehemming operation of the part performed by the robotic arm and a second roller which prehems the part.

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