Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Patent
1996-05-03
1997-10-14
Crane, Daniel C.
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
724051, B21D 4305
Patent
active
056760140
ABSTRACT:
A bolster supports the lower dies of a row of die sets for use in a transfer press. The upper dies are carried by a vertically reciprocable ram. Transfer mechanism is provided to move blanks along the row of die sets, comprising longitudinally extending side rails and cross bars having blank grippers releasably attached to the side rails. A plurality of stands are mounted on the bolster. The stands are adapted to support the cross bars after the cross bars have been detached from the side rails and the bolster is moved out of the press to change dies. The stands also support the cross bars in positions for re-attachment to the side rails when the bolster is moved back inside the press. Some of the stands are mounted on the bolster for pivotal movement away from the dies so that after the cross bars have been removed, there is sufficient clearance for removing and replacing the die sets. Other stands are removable.
REFERENCES:
patent: 4807456 (1989-02-01), Shiraishi
patent: 4866974 (1989-09-01), Shiraishi
patent: 4970888 (1990-11-01), Shiraishi
patent: 5248288 (1993-09-01), Kamiya
patent: 5443436 (1995-08-01), Kawakami
patent: 5582061 (1996-12-01), Harsch
Chrysler Corporation
Craig Edward A.
Crane Daniel C.
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