Ballast tamping tool unit

Details Ballast tamping tool unit Ballast tamping tool unit

1975-04-07

1976-12-21

Spar, Robert J.

Railways

Track layers

Tamper

E01B 2716

Patent

active

039981657

ABSTRACT:
A tamping tool unit for a ballast tamping machine comprises a pair of reciprocatory tamping tools pivotally supported on axles which are rotatable in eccentric bearing bushings rotatably mounted on the axles. Rotation of the eccentric bearing bushings imparts a compound motion to the tamping tools consisting of a vertical and a horizontal component.

REFERENCES:
patent: 1663922 (1928-03-01), Robin et al.
patent: 2791971 (1957-05-01), Schnellmann
patent: 3372651 (1968-03-01), Plasser et al.
patent: 3621786 (1971-11-01), Joy
patent: 3669025 (1972-06-01), Plasser et al.
patent: 3735708 (1973-05-01), Plasser et al.

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