Material or article handling – Apparatus for moving intersupporting articles into – within,... – Stack forming apparatus
Patent
1977-02-17
1981-12-15
Werner, Frank E.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Stack forming apparatus
164137, 164168, 164183, 164339, 164409, 294 86R, 294 88, 294 67BB, 414763, 414783, B65G 700
Patent
active
043056920
ABSTRACT:
A mold handler for flaskless foundry molds made up basically of a horizontal support beam and two clamping arms supported for movement along the beam toward and away from each other. Each clamping arm has rotationally mounted pads with gripping surfaces having serrations thereon. The pads are self-aligning. The clamping arms move via a fluid circuit operably connected thereto. The entire structure is suspended by apparatus lying substantially within a plane containing the center of gravity of the beam and the structure it supports. The clamping arms are maintained at equal and opposite distances from the center of gravity at all times during operation of the mold handler by means of an interconnecting synchronizing linage. The fluid circuit controls and actuates fluid cylinders to urge the clamping arms toward and away from one another selectively to engage and release the gripping surfaces with and from a flaskless mold positioned therebetween.
REFERENCES:
patent: 1343335 (1920-06-01), Prince
patent: 1807360 (1931-05-01), Wehr
patent: 2390293 (1945-12-01), Colson
patent: 3002779 (1961-10-01), Frate et al.
patent: 3068537 (1962-12-01), Fellows
patent: 3438510 (1969-04-01), Fawell
patent: 3508676 (1970-04-01), Peterson
patent: 3878881 (1975-04-01), Lund et al.
Mulholland John H.
Werner Frank E.
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