Ballast tamping machine with flexible ballast conveying tubes mo

Details Ballast tamping machine with flexible ballast conveying tubes mo Ballast tamping machine with flexible ballast conveying tubes mo

1990-11-20

1992-04-07

Oberleitner, Robert J.

Railways

Track layers

Tamper

104 2, 37104, 171 16, E01B 2702

Patent

active

051017334

ABSTRACT:
A ballast tamping machine comprises a tamping head comprising pairs of vibratory tamping tools immersible in the ballast and reciprocable in the operating direction and opposite thereto for tamping ballast under the ties, a track lifting and lining unit preceding the tamping head in the operating direction, and a device for substantially uniformly distributing ballast. The device has an outlet associated with each tamping tool for discharging ballast at the associated tamping tool.

REFERENCES:
patent: 3942448 (1976-03-01), Unbehaun et al.
patent: 4497256 (1985-02-01), Hansmann et al.
patent: 4794862 (1989-01-01), Theurer
patent: 4809617 (1989-03-01), Theurer et al.
patent: 4881467 (1989-11-01), Theurer

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