Patent ID: 9061355
Filing Date: 2015-06-23
Classification: B23B,Y10T

Abstract:
1. A tool adapter comprising: an adaptor body having a connection portion structured to be attached to a machine tool and a holder portion disposed opposite the connection portion; and a tool receiver structured to receive and couple a portion of a rotary cutting tool therein, the tool receiver being mounted in the holder portion so as to be rotatable about a central axis of the tool adaptor to a limited extent, wherein the tool receiver is mounted in the holder portion so as to be elastically resilient in both the axial and circumferential directions, wherein the holder portion includes a number of axial grooves, wherein the tool receiver includes a corresponding number of torque transmission elements coupled thereto and extending radially therefrom, each disposed within a corresponding groove of the number of axial grooves, and wherein each torque transmission element comprises a rigid portion coupled to the tool receiver and an elastomeric portion disposed between the rigid portion and the tool receiver.