Patent ID: 8678716

Claim:
A cutting tool assembly ( 100 , 200 , 300 ), comprising: a tool holder ( 102 , 202 , 302 ) having a longitudinal holder axis (H) extending in a rearward to forward direction (D R , D F ), the tool holder ( 102 , 202 , 302 ) including a holder front end ( 152 ), a holder top end ( 153 ), a holder mating surface ( 114 , 314 ) extending therebetween, and a holder clamping portion ( 112 ) spaced apart in the rearward direction (D R ) from the holder mating surface ( 114 , 314 ); a tool head ( 104 , 204 , 304 ) having a longitudinal tool head axis (T) extending in the rearward to forward direction (D R , D F ), and including a tool head bottom end ( 131 ) provided with a tool head mating surface ( 132 , 316 ), and a tool head clamping recess ( 124 ) extending upwards from the tool head bottom end ( 131 ), and spaced apart in the rearward direction (D R ) from the tool head mating surface ( 132 , 316 ); and a tool head fastening member ( 106 ), wherein in an assembled position of the cutting tool assembly ( 100 , 200 , 300 ): the tool head mating surface ( 132 , 316 ) forms a dovetail connection with the holder mating surface ( 114 , 314 ); and the tool head fastening member ( 106 ) clamps the tool head clamping recess ( 124 ), thereby externally clamping the tool head ( 104 , 204 , 304 ) to the tool holder ( 102 , 202 , 302 ).