Trenching chain tooth and method for cutting into a body of ice using same
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United States of America Patent
Stats
-
Nov 17, 2009
Grant Date -
N/A
app pub date -
Aug 1, 2008
filing date -
Aug 1, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A trenching chain tooth for cutting ice features a support portion projecting laterally from a mounting portion. A first cutting portion projects to a side of the support portion opposite the mounting portion. A second cutting portion projects laterally from the first cutting portion to the same side as the support portion at a distance therefrom. Each cutting portion features a cutting edge near a leading end of the supporting portion. The cutting edge of the second cutting portion extends obliquely away from that of the first cutting portion toward a trailing end of the supporting portion. Each cutting portion feature stainless steel and, in direction extending away from its respective cutting edge, extends toward the mounting portion. A chain trencher equipped with teeth of this type is positioned a over a body of ice and operated to cut into the body of ice with the trenching teeth from thereabove.
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