US PATENT SUBCLASS 451 / 509
.~.~ Tool holding member disconnected from support by partial rotation

Current as of: June, 1999
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451 /   HD   ABRADING

490  DF  TOOL SUPPORT FOR FLEXIBLE-MEMBER TOOL {13}
508  DF  .~ Including headed, axially disposed, tool holding member on rotary support {2}
509.~.~ Tool holding member disconnected from support by partial rotation

DEFINITION

Classification: 451/509

Tool holding member disconnected from support by partial rotation:

(under subclass 508) Tool support wherein the tool securing means is held to the support by a joint that permits release of the means by arcuate movement thereof or of another means acting therewith to form the joint.