Earth working – With means for shifting surface material without soil... – Driven shifting means
Patent
1987-08-31
1990-02-13
Hunt, Brooks H.
Earth working
With means for shifting surface material without soil...
Driven shifting means
198310, 239685, 172 33, A01G 2300
Patent
active
048998290
ABSTRACT:
Apparatus for making a substrate for forest cultivation, which apparatus is designed to be drawn as a trailer behind a tractor or some comparable vehicle and most suitably has one wheel on each side of the trailer, the tracks of the wheels being essentially the same as those of the drawing vehicle and the trailer being also provided with a container for earth or comparable material, at the bottom of which container there is an opening through which the earth flows down on a conveyor unit arranged under the container. In present-day forest cultivation the tree plants are usually planted in unprepared soil. As a result, other vegetation deprives the trees of some of their vegetative power. With the invention, the problem is solved by that the conveyor unit comprises two belt conveyors driven by rollers, the transporting directions of which belt conveyors run crosswise to the trailer's direction of motion and away from the trailer's longitudinal axis, and that the axles of the driving rollers of the two belt conveyors are through rolls connected to the corresponding wheels of the trailer, by which means the rotatory movement of the wheels is transmitted to the belt conveyors driven by the rollers.
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patent: 15640 (1856-09-01), Beeches
patent: 181460 (1876-08-01), McDonald
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patent: 804474 (1905-11-01), Hoy
patent: 1429563 (1922-09-01), Beuning
patent: 2341486 (1944-02-01), Swertfeger
patent: 2598223 (1952-05-01), Chase
patent: 4174578 (1979-11-01), Grillo
Hunt Brooks H.
Wasil Daniel
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