Rollingly transportable press die apparatus

Details Rollingly transportable press die apparatus Rollingly transportable press die apparatus

B - Operations, Transporting

21

D

B21D 37/00 (2006.01) B21D 28/14 (2006.01) B21D 37/14 (2006.01) B30B 15/02 (2006.01)

Patent

CA 2047339

A die structure for use in conjunction with a metal working press is provided without the usual large bottom plate member secured to the undersides of the spaced apart parallel members projecting downwardly from the underside of the shoe portion of the die. To permit the plateless die structure to be rollingly transported from place to place along a horizontal support surface, a plurality of specially designed lifter devices are secured to the die parallels and rotatably carry a plurality of roller members. The lifter devices are pneumatically operable and, when actuated, drive the roller members downwardly beyond the common plane in which the bottom sides of the parallels lie to thereby elevate the die structure above a horizontal support surface and rollingly support the die structure thereon. Upon deactivation thereof, the lifter devices permit the undersides of the die parallels to settle back down onto the support surface, thereby stationarily positioning the plateless die structure thereon.

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