US PATENT SUBCLASS 451 / 522
.~.~ Including bar or plate tool holding member

Current as of: June, 1999
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451 /   HD   ABRADING

490  DF  TOOL SUPPORT FOR FLEXIBLE-MEMBER TOOL {13}
521  DF  .~ Including threaded means to retain tool holder {1}
522.~.~ Including bar or plate tool holding member

DEFINITION

Classification: 451/522

Including bar or plate tool holding member:

(under subclass 521) Tool support wherein the tool securing means includes a rod or a piece of flat stock which engages only a small portion of the tool to secure that portion to the support.