Railways – Track layers
Patent
1991-12-12
1993-08-03
Oberleitner, Robert J.
Railways
Track layers
104 72, 104 12, 171 16, E01B 2704
Patent
active
052319296
ABSTRACT:
A mobile ballast cleaning machine comprises a machine frame, undercarriages supporting the machine frame for mobility on the track, an excavating chain mounted on the machine frame and arranged to excavate the ballast to expose the subgrade, a ballast screening installation arranged to receive the excavated ballast from the excavating chain and to clean the received ballast, a conveyor arrangement for conveying the cleaned ballast for distribution on the exposed subgrade, a power-actuated, vertically and transversely adjustable track lifting device mounted on the machine frame, and a vibrator connected to the track lifting device, the vibrator being arranged to generate horizontal oscillations extending transversely to the longitudinal direction.
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patent: 3685589 (1972-08-01), Plasser et al.
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patent: 4046078 (1977-09-01), Theurer
patent: 4432284 (1984-02-01), Theurer et al.
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patent: 4893565 (1990-01-01), Theurer et al.
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Theurer Josef
Worgotter Herbert
Franz Plasser Bahn-baumaschinen-Industriegesellschaft m.b.H.
Morano S. Joseph
Oberleitner Robert J.
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