US PATENT SUBCLASS 83 / 842
.~.~.~.~.~ Arcuately movable

Current as of: June, 1999
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83 /   HD   CUTTING

651  DF  TOOL OR TOOL WITH SUPPORT {12}
835  DF  .~ Toothed blade or tooth therefor {11}
838  DF  .~.~ Plural separable sections {1}
839  DF  .~.~.~ Tooth separable from blade {2}
840  DF  .~.~.~.~ By independent connecting element {3}
842.~.~.~.~.~ Arcuately movable {1}
843  DF  .~.~.~.~.~.~> With additional element to prevent movement of connecting element

DEFINITION

Classification: 83/842

(under subclass 840) Device in which the securing means is rotatively moved to connect or disconnect the cutting element from the marginal surface.