Retracting mechanism and jaw assembly for a power press

Details Retracting mechanism and jaw assembly for a power press Retracting mechanism and jaw assembly for a power press

1983-05-13

1986-03-25

Larson, Lowell A.

Metal deforming

With means to handle work or product

Including means to permit maneuvering of work or product at...

72422, 414749, B21D 4302, B21D 4310, B21D 4313

Patent

active

045774862

ABSTRACT:
A jaw assembly is made retractable away from a power press in order to facilitate die change. A main carriage is cammed toward and away from the press dies in synchronism with the operation of the press. Mounted on the main carriage is a subcarriage which is also slidable toward and away from the press relative to the main carriage. The jaw assembly is mounted on the subcarriage. Thus, during die change, the jaw assembly can be held retracted away from the press as by a fluid actuated cylinder acting between the main and subcarriages. The jaw assembly typically comprises a pair of gripping jaws mounted on the piston rod of a fluid actuated cylinder on the subcarriage. When retracted, the jaw assembly does not interfere with the dies being changed.

REFERENCES:
patent: 2901126 (1959-08-01), Halberstadt
patent: 3178040 (1965-04-01), Nelson
patent: 3921820 (1975-11-01), Crockett
patent: 4189269 (1980-02-01), Maier et al.
patent: 4272981 (1981-06-01), Endter
patent: 4448056 (1984-05-01), Baba
patent: 4449390 (1984-05-01), Pontini

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