Steering apparatus for road rollers

Details Steering apparatus for road rollers Steering apparatus for road rollers

1975-12-10

1977-07-05

Song, Robert R.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180 20, B62D 506

Patent

active

040334279

ABSTRACT:
Steering apparatus for road rollers of the self-propelled type having two drums each of which is journalled to rotate in a frame pivotally mounted on a common chassis. A piston rod, pivotally connected at its ends to the drum frames, is slidably mounted in a steering cylinder pivotally mounted on the chassis. A control system for transmitting and receiving a pressure medium through a pair of lines connected to the steering cylinder responds to a steering device to cause movement of the piston in the cylinder, so that the piston rod causes simultaneous rotation of the drum frames and proper tracking of the road roller drums.

REFERENCES:
patent: 2598863 (1952-06-01), Tucker
patent: 2839147 (1958-06-01), Fletcher
patent: 3669202 (1972-06-01), Andersen
patent: 3782491 (1974-01-01), Herbenar
patent: 3868194 (1975-02-01), Ferguson
patent: 3872942 (1975-03-01), Metailler

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