Shock absorbing device for a paving machine

Details Shock absorbing device for a paving machine Shock absorbing device for a paving machine

1990-01-19

1990-09-11

Neuder, William P.

Road structure, process, or apparatus

Apparatus

Material distribution means

293134, E01C 1918

Patent

active

049557548

ABSTRACT:
The invention is a device for cushioning the contact between a paving machine equipped with a hopper for receiving paving material and a truck carrying paving material to be dumped into the hopper. In one embodiment the device has an arm with one end pivotally connected to the paving machine; the other endDoffth ajm Beajs ollerRfoo clnttcttnggthh ttrex oo tte ruwk..Thh ajm s coonegtee t tte issonnoffa yddauuicccyyinnerrsyten; as the roller contacts the truck tires, the fluid of the hydraulic system cushions the contact between the roller and the tires. The hydraulic system includes a pump for returing the piston (and thus the roller) to an extended position and an adjustable pressure hydraulic valve, controllable by the operator of the paving machine, for modulating the force exerted on the paving machine and on the tires while the roller is in contact with the tires. The device may also be equipped with a latch, releasable by the operator of the paving machine, for holding the piston (and thus the roller) in a retracted position to reduce the tendency of the truck tires to bounce ahead of the paver.

REFERENCES:
patent: 4332505 (1982-06-01), Mauldin
patent: 4818139 (1989-04-01), 404
Cedarapids Inc. Sales Manual, Section 2, Division 7, Form 19116 (9/89) (two pp.).
Cedarapids Inc. Forms 19103-1-CR-09/89, 19103-2-CR-09/89, and 19103-3-CR-09/89; "Functional Description Traction and Drives MS3", (collectively three pp.).
Cedarapids Inc. Form 19103-4-CR-09/89, "Comparison MS3", (one p.).
Donald W. Smith, sketch of Cedarapids Shock Absorber, Nov. 3, 1989.
The Barber-Greene Edge (Fall, 1987, Issue).
Barber-Green Technical Bulletin No. T-7420, "Producing Smoother Pavements with Longer Asphalt Paver Screed", by Earl D. Martenson (1988).

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