Compacting apparatus for road surfacing material

Details Compacting apparatus for road surfacing material Compacting apparatus for road surfacing material

1977-12-27

1980-08-12

Silverstrim, John P.

Motor vehicles

Vehicle trains

Motorized trailer

74545, 172 25, 180 79, 404 84, E01C 1900

Patent

active

042168384

ABSTRACT:
Apparatus for compacting or consolidating a strip of road surfacing material essentially comprises a self-propelled compacting machine and a guide vehicle. The guide vehicle has a steerable wheel and a set of drive wheels. The compacting machine is guided for orbital movement around the guide vehicle at a preset turning radius. The guide vehicle may be self-propelled in which case it carries its own motor for driving its driving shaft. Preferably the guide vehicle is driven for progressive displacement along the strip of surfacing material in response to the turning of a coupling bar, connecting the compacting machine with the guide vehicle about its end for determining the turning radius of the former. The coupling bar in turn rotatably drives the driving shaft of the guide vehicle which in turn drives the drive wheels of the guide vehicle through a power transmission. The guide vehicle is provided with a steering mechanism controlled by a steering control system including a lateral position sensing device disposed on the compacting machine which is connected through an electrically control circuit to operate an electromagnet, for example, for changing the position of the steering mechanism from one limit position to an opposed limit position once the compacting machine gets too close to an edge or the strip being compacted.

REFERENCES:
patent: 2259193 (1941-10-01), Andrew
patent: 3130794 (1964-04-01), Lovell
patent: 3273664 (1966-09-01), Ramer
patent: 3964834 (1976-06-01), Paramythioti

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