Excavating – Combined or convertible – Having quick-connect coupling
Reexamination Certificate
2006-06-13
2006-06-13
Novosad, Christopher J. (Department: 3671)
Excavating
Combined or convertible
Having quick-connect coupling
C037S404000, C037S410000, C299S026000, C299S067000
Reexamination Certificate
active
07059072
ABSTRACT:
An excavator bucket adapted to receive subsoiler shanks and an optional coulter blade enables multiple treatment of compacted soil. In a preferred embodiment, the shanks depend downward below the bucket and curve forward toward the bottom of the bucket. The shanks allow a single implement to be used for both excavating and subsoiling, and also for contouring sloping terrain. One application for such an implement is for decommissioning forest roads without the need for multiple pieces of heavy equipment or for multiple entries into the treatment area.
REFERENCES:
patent: 3685404 (1972-08-01), Rich et al.
patent: 3724899 (1973-04-01), Clark
patent: 4041624 (1977-08-01), Fryrear
patent: 4845867 (1989-07-01), Albrecht
patent: 5456028 (1995-10-01), Larson
Archuleta, Jr. James G.
Karr Michael W.
Fado John D.
Novosad Christopher J.
Ribando Chris P.
Shaw Leslie
The United States of America as represented by the Secretary of
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