Excavating – Endless digger – Digging chain – bucket – blade – or tooth structure – per se
Reexamination Certificate
2005-01-11
2005-01-11
Novosad, Christopher J. (Department: 3671)
Excavating
Endless digger
Digging chain, bucket, blade, or tooth structure, per se
Reexamination Certificate
active
06839991
ABSTRACT:
In a chain excavator including an excavation chain with links routed around a drive sprocket and an end idler with a base plate mounted to a link for supporting excavation implements, a stabilizing element extends rearwardly from directly behind the excavation implement in order to contact and be supported by its trailing base plate.
REFERENCES:
patent: 2636291 (1953-04-01), Reagle
patent: 3846922 (1974-11-01), Horton
patent: WO 0070149 (2000-11-01), None
Cooper Mark
Hawks Dan
Whitten Dean
Novosad Christopher J.
Sturm & Fix LLP
Vermeer Manufacturing Company
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