US PATENT SUBCLASS 408 / 175
.~.~.~.~.~ Volute scroll

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

146  DF  TOOL-SUPPORT WITH MEANS TO MOVE TOOL RELATIVE TO TOOL-SUPPORT {1}
147  DF  .~ To move radially {4}
153  DF  .~.~ Moving means including wedge, screw or cam {7}
173  DF  .~.~.~ Rotary cam {2}
174  DF  .~.~.~.~ Scroll plate {3}
175.~.~.~.~.~ Volute scroll

DEFINITION

Classification: 408/175

(under subclass 174) Device wherein the first and second surfaces extend through at least 3605 and progressively vary in distance from the center.