| 摘要 |
An adapter for tools of the milling-cutter type having a shank portion, comprising a shank-receiving hollow case containing a removable part of adjustable length and a separate stop member against which the shank is fetched into abutment, and intermediate drive means having gearwheels and dual racks for automatically clamping and accurately positioning the tool responsively to a pulling force exerted at the end opposite the tool shank receiving orifice.
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