US PATENT SUBCLASS 408 / 17
INCLUDING MEANS TO CAUSE TOOL TO PROGRESSIVELY VIBRATE TOWARD WORK


Current as of: June, 1999
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408 /   HD   CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL

17INCLUDING MEANS TO CAUSE TOOL TO PROGRESSIVELY VIBRATE TOWARD WORK


DEFINITION

Classification: 408/17

(under the class definition) Machines having structure for causing the tool or the tool-support to be fed intermittently or to be fed and withdrawn respectively in its approach relative to the work along the axis of tool rotation.

(1) Note. Included in this subclass are devices known as "chip breakers" and devices with special provision to withdraw the tool to discharge chips.

SEE OR SEARCH THIS CLASS, SUBCLASS:

124+, for structure for causing a tool to move along the tool-axis during the cutting operation.

143, for means to impart, to the tool, a vibration characteristic different from the vibration characteristic imparted by the reaction of the tool and work to damp the energy of a vibrating tool.