Metal deforming – With means to drive tool – Including pneumatic- or fluid-actuated tool support
Patent
1981-12-01
1984-04-17
Husar, Francis S.
Metal deforming
With means to drive tool
Including pneumatic- or fluid-actuated tool support
100269R, 92117A, 92118, 72456, 7245305, 7245307, 7245318, 7245314, B21J 918
Patent
active
044426941
ABSTRACT:
A floor-mounted forging press has a static piston arranged on the top beam and a cylinder which slides on the piston and forms a toolholder, and a bore extending through the piston for supplying pressure medium to the cylinder. The piston is hollow and is swivelly mounted by means of ball cups at the lower end of the piston and on the top beam and a thrust bearing member between the ball cups, the piston being held in the vertical position on the top beam with the aid of retaining means. One form of retaining means is a partially resilient pressure medium pipe which holds the piston. Alternatively pins, mounted by means of spherical surfaces, suspend the piston by way of a flange on the piston and are resiliently biased to hold the piston against the top beam in a free-play, resilient and freely movable manner, a bore being provided through the ball cups and thrust bearing member.
REFERENCES:
patent: 2075968 (1937-04-01), Von Heydekampf
patent: 2085695 (1937-06-01), Dinzl
patent: 2916987 (1959-12-01), Hanni
Fusser Hermann
Groos Horst
Schmoll Heinz
Husar Francis S.
Jones David B.
SMS Schloemann--Siemag Aktiengesellschaft
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