WORK TRANSFER APPARATUS FOR PRESS MACHINE, AND WORK TRANSFER UNIT

WIPO Patent Application WO/2011/004644

A1

A work transfer apparatus (2) is provided with a feed drive mechanism (4), which drives a transfer bar (3) in the work transfer direction, and a lift clamp drive mechanism (5), which drives the transfer bar (3) in the lift direction (L) and the clamp direction (C). The lift clamp drive mechanism (5) is provided with: a supporting section (51) for the transfer bar (3); first and second carriers (52, 53) which can move in the clamp direction (C); first and second carrier drive mechanisms (54, 55, 56, 57) which drive each of the carriers (52, 53); parallel links (58) which rotatably connect the first carrier (52) with the supporting section (51); and a drive link (59) which rotatably connects one of the parallel links (58) with the second carrier (53). A first guide section (72) which guides the first carrier (52) and a second guide section (73) which guides the second carrier (53) are parallel to each other and are shifted from each other in the work transfer direction.

JP3250328	WORK TRANSFER DEVICE
JPS6245435	MULTI-PROCESS PRESS WORKING SYSTEM
WO/2018/139056	WORK PIECE CONVEYANCE DEVICE

NISHIDA KENJI (JP)
MORIYASU TAKASHI (JP)
AKASHI HIDETOSHI (JP)

PCT/JP2010/055533

January 13, 2011

March 29, 2010

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KOMATSU MFG CO LTD (JP)
KOMATSU IND CORP (JP)
NISHIDA KENJI (JP)
MORIYASU TAKASHI (JP)
AKASHI HIDETOSHI (JP)

B21D43/05

US6073551A	2000-06-13
JP2004243397A	2004-09-02

KINOSHITA & ASSOCIATES (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)

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