Hydraulic press

Details Hydraulic press Hydraulic press

1977-06-03

1978-11-07

Lanham, C.W.

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

72455, B21D 706

Patent

active

041239296

ABSTRACT:
A hydraulic press, especially a sheet-bending press which has a lower beam provided with a press table and a vertically displaceable upper beam having a plunger or ram. The two beams are connected by columns which are formed as piston-and-cylinder arrangements to the upper and lower beams, respectively, by compensating bearings which permit an inclined orientation of the upper beam relative to a normal horizontal position without interfering with the force-transmitting characteristics. The compensating bearings are constituted as transverse bearings having bearing axes which are perpendicular to the longitudinal dimension of the beam and through which the piston-cylinder arrangement is pivotally connected to the upper and lower beams.

REFERENCES:
patent: 2416058 (1947-02-01), Mangnall
patent: 2863343 (1958-12-01), Steinfoft
patent: 3316749 (1967-05-01), Beard
patent: 3668920 (1972-06-01), Grankowski
patent: 3757680 (1973-09-01), Williams
patent: 3780560 (1973-12-01), Zimmer
patent: 3852991 (1974-12-01), Poggio

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