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Tool holder

  • US 3,136,030 A
  • Filed: 03/20/1963
  • Issued: 06/09/1964
  • Est. Priority Date: 03/20/1963
  • Status: Expired due to Term
First Claim
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1. A TOOL HOLDER ARRANGEMENT COMPRISING A BASE MEMBER AND A CLAMP MEMBER FORMED TO JOINTLY PROVIDE A DOVETAIL SLOT, A TOOL HAVING A BOSS MATING WITH SAID DOVETAIL SLOT, FASTENER MEANS FOR MOUNTING SAID CLAMP MEMBER ON SAID BASE MEMBER, SAID FASTENER MEANS INCLUDING A THREADED FIRST CYLINDRICAL PORTION EXTENDING THROUGH SAID CLAMP AND THREADEDLY ENGAGING SAID BASE MEMBER AND AN ENLARGED GENERALLY CYLINDRICAL PORTION INTEGRAL AND COAXIAL WITH SAID FIRST CYLINDRICAL PORTION, SAID ENLARGED PORTION AND CLAMP HAVING MUTUALLY ENGAGING PART-SPHERICAL BEARING SURFACES, SAID CLAMP HAVING A FIRST SURFACE WHICH FORMS ONE OF THE CONVERGING SURFACES OF SAID DOVETAIL SLOT AND ENGAGES SAID BOSS, SAID FIRST SURFACE EXTENDING AT AN ACUTE ANGLE TO THE AXIS OF SAID FIRST CYLINDRICAL PORTION, SAID CLAMP HAVING A SECOND SURFACE ON THE OTHER SIDE OF SAID FASTENER FROM SAID FIRST SURFACE AND ENGAGING SAID BASE MEMBER, SAID SECOND SURFACE DIVERGING AWAY FROM SAID FIRST SURFACE AND THE AXIS OF SAID FIRST CYLINDRICAL PORTION AS

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