Bender roll guard
AssigneeBethlehem Steel Corporation
InventorsAmos P. Kelsey, John A. Palumbo, James L. Thiel
Life of this patent
Estimating the term…
Abstract
A protective shield for the bite between a pair of coacting rolls in a bending machine. The shield includes a guard positioned to contact and surround one of the rolls so that rotation of the roll causes the guard to rotate and shield the bite between the rolls.
Claims5
A protective shield for the bite between a pair of coacting rolls comprising
- a. a guard rotatably mounted adjacent to and surrounding a portion of one of the rolls and in frictional contact therewith,
- b. a guide plate located adjacent said guard, and
- c. a guide rod attached to said guard and in contact with said guide plate with means to limit the rotation of said guard upon rotation of said one of the rolls.
In a machine for bending metal plate including a plurality of coacting rotating rolls and having an entry side and an exit side with means for supporting the metal plate prior to entering the entry side and means for guiding the metal plate on the exit side, the improvement comprising:
- a roll guard rotatably mounted in frictional contact with a portion of one of the coacting rolls so that the roll guard is rotated in the direction of and by the rotation of the one of the coacting rolls to shield the bite area of the rolls.
Dependencies are inferred from the claim text.