Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Reexamination Certificate
2006-07-04
2006-07-04
Singh, Sunil (Department: 3673)
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
C280S124111
Reexamination Certificate
active
07070244
ABSTRACT:
This invention is road milling machine with a chassis (13) having at least four wheels of which the front four wheels (14) are assigned to a parallelogram steering axle (23). The parallelogram steering axle (23) guides the front wheels (14) such that their wheel axles (48) remain in constant horizontal alignment even when the front wheels (14) run at different heights.
REFERENCES:
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patent: 2796717 (1957-06-01), Orelind et al.
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patent: 3806141 (1974-04-01), Janer
patent: 5533790 (1996-07-01), Weiland
patent: 199 57 048 (2001-08-01), None
patent: 52-62818 (1977-05-01), None
patent: 1001088 (2000-05-01), None
patent: WO 02/103117 (2002-12-01), None
patent: 1270817 (2003-01-01), None
Fachbeitrage Strassensanierung, Seite 12 Heft (Oct. 1999).
Fischer Stefan
Wöbken Gerold
Colton Laurence P.
Metso Dynapac GmbH
Powell & Goldstein LLP
Singh Sunil
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