Toggle-actuated punch stripper
AssigneeTextron Inc.
InventorAnthony M. Putetti
Life of this patent
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Abstract
In a forming press, toggle-type punch stripper actuation mechanism for mechanically driving the punch shoe in a direction to strip the workpiece from the punch as a function of the relative movements of the punch and stripper sleeve.
Claims8
A workpiece releasing mechanism in a forming press having a frame, a punch, a die and means for reciprocating the punch toward and away from the die, said mechanism comprising a punch shoe movable axially relative to the end of the punch, a stripper sleeve slidable longitudinally on the punch, a toggle linkage between the punch and the shoe, means on the sleeve for actuating the toggle linkage in the elongation mode, and means for moving the sleeve axially of the punch as a function of the changing position of the punch relative to the die.
Dependencies are inferred from the claim text.