Ground-working machine

Excavating – Ditcher – Wheel excavator

Reexamination Certificate

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Details

C037S464000

Reexamination Certificate

active

07937857

ABSTRACT:
The invention relates to a ground-working machine (11) equipped with a drive and with advancement members (21). Its advancement members (21) serve inter alia to carry a supporting structure (23) set apart from the positioning plane of the machine, on which supporting structure (23) there is arranged, in the region of a central axis (Z), a kirving tool (25) with at least one transverse kirving roller (13) for working a substrate on which the ground-working machine is standing. The kirving roller (13) is rotatable about its roller axis (V). The roller axis (V) is pivotable about a steering axis (W), which steering axis (W) is arranged in the direction of the central axis (Z) set apart from the advancement members (21).

REFERENCES:
patent: 3823983 (1974-07-01), Peterson
patent: 4865400 (1989-09-01), Caron et al.
patent: 6148549 (2000-11-01), Bykov
patent: 6418646 (2002-07-01), Bykov
patent: 6547336 (2003-04-01), Hoffmann
patent: 6725579 (2004-04-01), Unzicker
patent: 7108452 (2006-09-01), Caron et al.
patent: 7198333 (2007-04-01), Freeman
patent: 2 264 710 (1974-09-01), None
patent: 24 11 244 (1975-09-01), None
patent: 28 16 723 (1979-11-01), None
patent: 37 37 864 (1989-05-01), None
patent: 37 40 753 (1989-06-01), None

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