×

Combination tools

  • US 3,227,012 A
  • Filed: 04/29/1963
  • Issued: 01/04/1966
  • Est. Priority Date: 12/24/1954
  • Status: Expired due to Term
First Claim
Patent Images

1. A COMBINATION TOOL COMPRISING A PLURALITY OF OPERATING PORTIONS EACH ADAPTED TO PERFORM A SELECTED OPERATION ON A WORKPIECE, SAID OPERATING PORTIONS BEING ALIGNED ON A COMMON AXIS TO PROVIDE A UNITARY STRUCTURE, A FIRST OF SAID OPERATING PORTIONS HAVE PLURAL CUTTING EDGES DISPOSED ABOUT A SHANK DEFINING SAID AXIS AND OPERATIVE FOR CUTTING AT LEAST A PORTION OF THE WALL OF A HOLE IN A WORKPIECE, A HOLE IN SAID SHANK, AND A DEBURRING TOOL MEANS DISPOSED WITHIN SAID SHANK HOLE FOR POSITIONING SAID DEBURRING TOOL, SAID DEBURRING TOOL HAVING AT LEAST ONE WORK PORTION WHICH PROTRUDES OUTWARDLY FROM SAID SHANK AND IS OPERATIVE TO ROTATE WITH SAID SHANK AND ENGAGE BURRS FORMED ALONG THE WALL OF THE HOLE CUT IN THE WORK BY SAID PLURAL CUTTING EDGES OF SAID FIRST OPERATING PORTIONS AND TO REMOVE SAID BURRS THEREFROM DURING A SINGLE PASS OF SAID TOOL THROUGH SAID WORK.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×