Patent ID: 6974285

Claim:
A tool head for precision boring, comprising: a machine shank; a tool shank connected to the machine shank and having a common longitudinal axis therewith, said tool shank including a core, a parallel spring arrangement resiliently deflectable relative to said core, and a head connected to said core by said parallel spring arrangement, wherein said parallel spring arrangement includes a plurality of legs originating from said head, at least one of said plural legs being connected to one of said core and said machine shank, said core being formed as one piece with said parallel spring arrangement; and a device for radial adjustment of said head relative to said core comprising a setting device having a conical portion which bears under a prestress generated by said parallel spring arrangement on a contact portion of said parallel spring arrangement, wherein said contact portion comprises an arm of said parallel spring arrangement with a presettable screw arranged in said arm, said arm extending toward said machine shank, said setting device being threadably inserted into said core transverse to said longitudinal axis of said core.