Integrated paver with windrow pick-up capability

Details Integrated paver with windrow pick-up capability Integrated paver with windrow pick-up capability

1990-10-16

1992-05-19

Britts, Ramon S.

Road structure, process, or apparatus

Apparatus

404108, 404 91, E01C 1902

Patent

active

051142678

ABSTRACT:
An integrated paver comprising a self-propelled chassis having a paving apparatus, such as a screed, supported on its rear end and a lifting conveyor supported on its front end. The conveyor is capable of picking-up loose paving material laid in the windrow on the road surface. It is pivotally supported on a mounting which is in-turn pivotally supported on the chassis such that the conveyor can be adjusted in two dimensions relative to the chassis. Grade controls on the conveyor control hydraulic cylinders to adjust the tilt and grade of the conveyor relative to the road surface. Alternatively, the conveyor can rest, by force of gravity on runners which slide along the ground and hold the conveyor head a predetermined height (possibly zero) above the ground. Additionally, the runners can be linked to floating break-away scrapers which are maintained at a set position relative to the runners. The conveyor drag chain rides over an idler shaft above and in front of the inlet end supporting shaft of the chain such that the paddles on the chain travel at close to 45.degree. to the road surface to reduce vibration and the slapping action of the paddles against the windrow.

REFERENCES:
patent: 1768657 (1930-07-01), Baker
patent: 1958460 (1934-05-01), Barber
patent: 2064807 (1936-12-01), Barber
patent: 2835098 (1958-05-01), Scheidenhlem
patent: 3091999 (1963-06-01), MacDonald
patent: 3693512 (1972-09-01), Smith
patent: 3903623 (1975-09-01), Hyler
patent: 4200408 (1980-04-01), Babler et al.
patent: 4304504 (1981-12-01), Trujillo
patent: 4676688 (1987-06-01), Caradot
patent: 4837950 (1989-06-01), Vesper
CMI Paver with Windrow Pick-Up.
Barber-Greene's BG-610H Hydrostatic Windrow Elevator.

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