Trenching chain
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United States of America Patent
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-
Jul 3, 2012
Grant Date -
May 26, 2011
app pub date -
Nov 20, 2009
filing date -
Nov 20, 2009
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Trenching chains and chain links are disclosed, the trenching chains including a plurality of chain link bodies joined at the ends thereof and a plurality of carriages each having one end pivotably attached at an end of a link body and an opposite end unengaged and freely pivotable. Cutting or trench sweeping implements are maintainable on the carriages. The carriages can thus be configured with lengths greater than the lengths of the link bodies.
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