US PATENT SUBCLASS 83 / 843
.~.~.~.~.~.~ With additional element to prevent movement of connecting element

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  DF  .~.~.~.~.~ Arcuately movable {1}
843.~.~.~.~.~.~ With additional element to prevent movement of connecting element

DEFINITION

Classification: 83/843

(under subclass 842) Device in which separate means is provided to positively engage the securing means and prevent undesired movement thereof.