Mobile machine for withdrawing ballast from a ballast bed

Details Mobile machine for withdrawing ballast from a ballast bed Mobile machine for withdrawing ballast from a ballast bed

1994-08-29

1996-04-02

Reese, Randolph A.

Excavating

Railway graders

171 16, 104 2, E02F 522

Patent

active

055029043

ABSTRACT:
A mobile machine for withdrawing ballast from a ballast bed includes two receptacles, each of which including a separate intake port and discharge outlet, with a suction tube being selectively connectable to the intake ports of the receptacles. In order to selectively seal the intake ports in an air-tight manner, each intake port accommodates a closing element so as to allow an alternate emptying and filling of the receptacles without interruption of the withdrawal of ballast.

REFERENCES:
patent: 4263851 (1981-04-01), Theurer et al.
patent: 4479439 (1984-10-01), Theurer et al.
patent: 4570287 (1986-02-01), Kerschner et al.
patent: 4576538 (1986-03-01), Theurer et al.
patent: 4611541 (1986-09-01), Theurer
patent: 4938239 (1990-07-01), Theurer et al.
patent: 5101733 (1992-04-01), Mohr
patent: 5400718 (1995-03-01), Theurer et al.

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