B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 39/02 (2006.01)
Patent
CA 2089813
Abstract of the Disclosure A press with both prehemming and final hemming tools or steels each driven by the same prime mover. Each steel is mounted on a separate carrier driven through separate toggle joints to advance and retract the steels for prehemming and final hemming of an upturned flange along the edge of a steel panel. To facilitate synchronizing the operation of at least two presses, the prime mover may be a screw and servo motor drive assembly.
Brown Gerald A.
Hartley William R.
Jehmlich Mark P.
Mcnamara Jeffrey S.
Verzura John C.
Marks & Clerk
Unova Ip Corp.
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