US PATENT SUBCLASS 142 / 2
.~ Annular work holders


Current as of: June, 1999
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142 /   HD   WOOD TURNING

*  DD  POLYGONAL SECTION {1}
2.~ Annular work holders {1}
52  DF  .~.~> Chucks


DEFINITION

Classification: 142/2

Machines comprising a cutter and work-holders adapted to secure several sticks together in the form of a hollow cylinder to be rotated in contact with the cutter. After the cylinder has been reduced by the cutter the sticks are turned upon their axes in the work-holder and the cylinder again submitted to the action of the cutter. This operation is continued until as many sides have been produced upon the sticks as desired.

SEE OR SEARCH CLASS

144, Woodworking,

138, for a wood shaping machine which uses a pattern to generate a polygonal form as a workpiece is indexed.