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| US4873860 | 18 Ago 1987 | 17 Oct 1989 | Eumuco Aktiengesellschaft Fur Maschinenbau | Lifting beam assembly for a forming press |
| US4875931 | 8 Sep 1988 | 24 Oct 1989 | Prodty Engenharia E Comercio Ltda | Parts transfer system having three orthogonal movement axes wherein the part lifting and lowering mechanism moving along the third axis is actuated by the motion of the grippers in closing and opening along the first axis |
| US4981031 | 28 Sep 1989 | 1 Ene 1991 | L. Schuler GmbH | Transfer device in a transfer press or similar metal-forming machine |
| US5003808 | 15 Jun 1989 | 2 Abr 1991 | | System for transferring workpieces through a series of work stations |
| US5105647 | 21 Jun 1990 | 21 Abr 1992 | | System for transferring workpieces through a series of work stations |
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| US5488852 | 20 Jun 1994 | 6 Feb 1996 | Sumitomo Heavy Industries, Ltd. | Transfer feeder for hot-forging presses |
| US6105414 | 28 Dic 1998 | 22 Ago 2000 | Sumitomo Heavy Industries, Ltd. | Transfer feeder for forging press |
| US6338264 | 26 Jul 2000 | 15 Ene 2002 | Mueller Weingarten AG | Transfer drive for a press |
