US PATENT SUBCLASS 451 / 501
.~.~.~ Including threaded element

Current as of: June, 1999
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451 /   HD   ABRADING

490  DF  TOOL SUPPORT FOR FLEXIBLE-MEMBER TOOL {13}
496  DF  .~ Including tool holding slot in rotary tool support {2}
499  DF  .~.~ With tool tensioning means {2}
501.~.~.~ Including threaded element

DEFINITION

Classification: 451/501

Including threaded element:

(under subclass 499) Tool support in which the tool tensioning means is actuated by helical screw means.