Punch and die mounting device

Claim 1

PUNCH AND DIE MECHANISM COMPRISING A PUNCH SHOE AND A SPACED DIE SHOE, SAID SHOES BEING MOUNTED FOR MOVEMENT WITH RESPECT TO ONE ANOTHER, A PUNCH RETAINER ADJUSTABLY SUPPORTED BY SAID PUNCH SHOE, A DIE RETAINER ADJUSTABLY SUPPORTED BY SAID DIE SHOES, FIRST TEMPLATE MEANS SUPPORTED ADJACENT SAID PUNCH SHOE FOR ACCURATELY POSITIONING SAID PUNCH RETAINER, SECOND TEMPLATE MEANS SUPPORTED ADJACENT SAID DIE SHOE FOR ACCURATELY POSITIONING SAID DIE RETAINER, SAID FIRST TEMPLATE HAVING A PAIR OF OPENINGS FORMED THERETHROUGH OF DIFFERENT DIMINSION, SAID PUNCH RETAINER HAVING A PAIR OF SPACED PORTIONS OF DIFFERENT DIMENSIONS RECEIVING WITHIN SAID OPENINGS IN THE FIRST TEMPLATE, SAID SECOND TEMPLATE HAVING A PAIR OF SPACE OPENINGS FORMED THERETHROUGH OF DIFFERENT DIMENSION, SAID PUNCH RETAINER HAVING A PUNCH-RECEIVING HOLE FORMED THEREIN AND EXTENDING LONGITUDINALLY THEREOF, SAID DIE RETAINER HAVING A DIERECEIVING HOLE FORMED THEREIN AND EXTENDING LONGITUDINALLY THEREOF, EACH OF SAID RETAINERS HAVING A TRANSVERSELY EXTENDING OPENING FORMED THEREIN OF SUBSTANTIALLY CONSTANT DIAMETER, EACH OF SAID OPENINGS HAVING A LONGITUDINAL AXIS EXTENDING AT AN ACUTE ANGLE TO PLANE PASSING THROUGH THE LONGITUDINAL AXIS OF A HOLE OF THE RESPECTIVE RETAINER, A SUBSTANTIALLY CYLINDRICAL PIN FIXED AND PERMANENTLY SECURED IN AN ACCURATELY DETERMINED PARTICULAR POSITION WITHIN EACH OF SAID OPENINGS AND HAVING A FLAT FORMED THEREON AT AN ACUTE ANGLE TO A PLANE EXTENDING SUBSTANTIALLY PARALLED TO THE LONGITUDINAL AXIS OF THE PIN AND INTERSECTING THE OUTER PERIPHERY OF THE PIN, SAID FLAT FORMED ON EACH OF SAID PINS BEING PRESENTED TO THE INTERIOR OF THE HOLE OF THE ASSOCIATED RETAINER, A PUNCH DISPOSED WITHIN THE HOLE FORMED IN THE PUNCH RETAINER AND HAVING A FLAT THERE ON AND EXTENDING LONGITUDINAL FROM ONE END THEREOF ABUTTING THE FLAT OF THE PIN SUPPORTED BY THE PUNCH RETAINER, MEANS FOR RETAINING THE PUNCH IN OPERATIVE POSITION RELATIVE TO THE PUNCH RETAINER, A DIE BUSHING RECEIVED WITHIN THE HOLE IN SAID DIE RETAINER AND HAVING A FLAT FORMED THEREON AND EXTENDING LONGITUDINALLY FROM ONE END THEREOF, SAID LAST-MENTIONED FLAT ABUTTING THE FLAT OF THE PIN SUPPORTED BY THE DIE RETAINER, MEANS FOR RETAINING THE DIE BUSHING IN OPERATIVE POSITION RELATIVE TO THE DIE RETAINER, SAID DIE BUSHING HAVING A FIRST OUTER DIMENSION AND PORTION OF SAID DIE RETAINER HAVING A DIFFERENT OUTER DIMENSION, SAID DIE BUSHING AND SAID PORTION OF THE DIE RETAINER BEING RECEIVED WITHIN SAID OPENING IN THE SECOND TEMPLATE, WHEREBY THE PUNCH AND DIE RETAINERS ARE ACCURATELY POSITIONED WITH RESPECT TO ONE ANOTHER.