US PATENT SUBCLASS 37 / 456
.~.~.~ Including pin or key

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


37 /   HD   EXCAVATING

446  DF  DIGGING EDGE {7}
452  DF  .~ Tooth or adaptor {3}
455  DF  .~.~ Mounting or retaining means {1}
456.~.~.~ Including pin or key {2}
457  DF  .~.~.~.~> Having resilient elastomeric element
458  DF  .~.~.~.~> Having resilient metallic element {1}

DEFINITION

Classification: 37/456

Including pin or key:

(under subclass 455) Apparatus wherein the attachment structure includes a removable wedge or rod-type retainer adapted to hold the tooth. [figure] [caption]A - Tooth; B - Adaptor; C - Pin or key