| 摘要 |
A retraction tool for removing the shank of a tool holder from a base bloc k mounting includes an elongate threaded member having a hook threaded on one end thereof. The hook has a hook end for attachment to a receptacle in the forward end of a tool holder. A hammer moveable along the length of the elongate member impacts against the stop for pulling said tool holder from t he base block mounting. In the preferred embodiment, the receptacle in the tool holder is a hole having an axis at an angle of 45 to 90 degrees to the axis of the axial bore of the tool holder. When the receptacle hole has a diameter equal to that of the axial bore, a worn tool can be inserted in the receptacle hole a nd the worn tool can be struck with a hammer as an optional extraction device.</SDO AB>
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