US PATENT SUBCLASS 451 / 519
.~.~ Coil-spring actuated

Current as of: June, 1999
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451 /   HD   ABRADING

490  DF  TOOL SUPPORT FOR FLEXIBLE-MEMBER TOOL {13}
514  DF  .~ Including resiliently urged tool holding member {5}
519.~.~ Coil-spring actuated

DEFINITION

Classification: 451/519

Coil-spring actuated:

(under subclass 514) Tool support wherein the tool holding means includes a resilient member in the form of a helix, wound about a centerline, which urges the tool engaging portion thereof toward the tool in a direction generally along such centerline.