Cutting element supported on a chain

Details Cutting element supported on a chain Cutting element supported on a chain

2006-05-09

2008-08-12

Novosad, Christopher J. (Department: 3641)

Excavating

Endless digger

Digging chain, bucket, blade, or tooth structure, per se

C037S352000, C037S387000, C037S388000, C037S455000, C037S189000, C172S554000

Reexamination Certificate

active

07409785

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: 3331637 (1967-07-01), Krekeler
patent: 3846922 (1974-11-01), Horton
patent: 4489987 (1984-12-01), Towers
patent: 4650254 (1987-03-01), Wechner
patent: 4697850 (1987-10-01), Tuneblom
patent: 4755001 (1988-07-01), Gilbert
patent: 4915455 (1990-04-01), O'Neill
patent: 5810449 (1998-09-01), Grathoff
patent: 2005/0001084 (2005-01-01), Pizzuto
patent: 1214979 (2002-06-01), None
patent: WO 00/70149 (2000-11-01), None

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