Four-roller workpiece bending machine

Details Four-roller workpiece bending machine Four-roller workpiece bending machine

1977-11-16

1979-01-02

Mehr, Milton S.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflectors arranged to bend work longitudinally of...

72249, B21D 508

Patent

active

041320999

ABSTRACT:
The machine comprises a frame, a first roller rotatably supported by the frame and a second roller rotatably supported by the frame and disposed below the first roller to cooperate therewith. A gear is secured to the first roller to be rotatable therewith meshes with at least two pinions, each mounted on the shaft of a respective pressure-fluid operable motor. A pump is connected to each of the pressure-fluid operable motors to supply pressure-fluid in common to the motors so that all the pressure-fluid operable motors operate in synchronism.

REFERENCES:
patent: 1745539 (1930-02-01), Hume
patent: 2640525 (1953-08-01), Le Tourneau
patent: 3623349 (1971-11-01), Hausler

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