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Plate bending machine

  • US 4,991,422 A
  • Filed: 05/15/1989
  • Issued: 02/12/1991
  • Est. Priority Date: 05/16/1988
  • Status: Expired due to Term
First Claim
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1. A plate bending machine comprising:

  • a punch and a die movable toward and away from each other for bending a workpiece in cooperation with each other, said punch having a bending edge extending along a line;

    a first support means for supporting the punch and the die, the first support means being rotatable about a bending axis coincident with the bending edge of the punch;

    a second support means for supporting the first support means, the second support means being pivotable about an axis intersecting the bending axis; and

    a workpiece support means for supporting the workpiece between the punch and the die with the plane of the workpiece extending vertically and perpendicularly to the pivoting axis of the second support means and said plane of the workpiece extending so as to contain the bending axis.

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