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US 4,038,894 AGranted
Piercing apparatus
AssigneeSpringfield Tool & Die, Inc.
InventorsJan C. Knibbe, Willard J. McPhee
Life of this patent
Estimating the term…
Abstract
Apparatus for piercing an arcuate workpiece includes a frame, an index table rotatably mounted on the frame, piercing means horizontally adjustable on the frame with respect to the index table and a punch head movable horizontally into engagement with the workpiece mounted to the index table. A swivel clamping mechanism detachably mounts the workpiece to the index table.
Claims5
Apparatus for performing work on a workpiece, said apparatus comprising:
- a frame,
- an index table mounted on said frame, said table being selectively rotatable about an axis;
- means for mounting said workpiece to said table comprising a holder extending upwardly from said table near one edge thereof and a clamp carried at the upper end thereof for releasably engaging one portion of said workpiece, said clamp being swivelly mounted to said holder and
- work performing means mounted to said frame and including a portion selectively movable in a direction substantially perpendicular to the axis of rotation of said index table to perform work on said workpiece in a different location at each rotated position of said table.
1 more element
Dependencies are inferred from the claim text.