Split cushion pin system for rolling bolster

Details Split cushion pin system for rolling bolster Split cushion pin system for rolling bolster

1994-05-04

1996-04-30

Jones, David

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

72446, B21D 2408

Patent

active

055114067

ABSTRACT:
A two piece cushion pin system including a cushion pin carried in the bed of a press engaging the cushion and a cushion pin extension carried in a rolling bolster engaging the cushion pin and the die mounted on the bolster. The bolster is rolled into and out of the press with the cushion pins and cushion pin extensions in place.

REFERENCES:
patent: 3111100 (1963-11-01), Georgeff
patent: 4905556 (1990-03-01), Haack et al.

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