Earth working – Driven from or guided by stationary object – or anchored – Dragline scraper
Patent
1997-06-24
1999-09-28
Batson, Victor
Earth working
Driven from or guided by stationary object, or anchored
Dragline scraper
172 35, 172292, A01B 6900
Patent
active
059572159
DESCRIPTION:
BRIEF SUMMARY
The invention relates to an apparatus for preparing a ground area of an arena of a riding hall or of an open riding course.
The ground area of an arena, as a rule, consists of sand, peat or wood shavings, or a mixture of these components. They are first subjected, in exercise arenas, to lasting loads because of horse kicks. This results in that the peat, sand or wood shavings accumulate on longitudinal or transverse sides as well as in the corners of any arena, which leads to damaging unevenness of the arena. The riding operation must then be interrupted in order to effect levelling of the ground area. To this end, usually, a harrow is used which is pulled by a tractor.
This method takes relatively a lot of time, especially when a large amount of the ground accumulated which has to be divided and levelled.
In addition, the air in the riding hall remains contaminated for a relatively long time with the tractor exhaust gasses.
A further damage of the ground results from its drying which disrupts the riding operation because of the troublesome dust. To prevent the formation of dust, the ground is wetted. In the simplest case, it is effected by spraying, using a water hose. In many cases, however, for spraying the ground, sprinkler devices are provided over the arenas. In a riding hall thereby a wet tropical climate is generated, without enough water, which is sprayed beneath the hall roof, being on the ground. The latter is often so dry that it does not pick up the sprayed water.
Accordingly, the object of the present invention is to provide a possibility which would enable a more intensive and more rapid preparation of the ground, without a lasting disruption of the riding operation.
It was found that this object is achieved in a simple manner with an apparatus which includes a chassis spanning the width of the ground area and which moves to and fro in a longitudinal direction of the ground area and includes vertically adjustable tools for preparing and levelling the ground during the movement of the chassis, and which apparatus further includes a device for wetting the ground area from a low height.
By this combination of the chassis, which includes vertically adjustable tools for preparing the ground, and of the device for wetting the ground, the ground area of the arena can be evened without trouble and time loss.
A particular advantage consists in that the ground during its mechanical preparation, is sprayed with water from a low height. This permits to achieve an intensive wetting of the peat, sand, wood shavings, or a mixture of these components, without generating, during the ground preparation, a noticeable amount of dust and without generating an unacceptable damped climate by the spray water.
The particularities of the invention are given in sub-claims. The chassis consists of two running gears with wheels and cross-connectors which connect the running gears with each other.
Each running gear consists of a frame and two wheels which can be formed as pure running wheels. For them, simple tracks, e.g., from cement, can be provided along longitudinal sides of the ground area. In the simplest case, the running gear can run along side regions of the ground area.
In other embodiments, rail running wheels can be used which run along the respective rails and are guided by them.
A usual width of an arena is 20 meters. The chassis, which spans the entire width of the arena, should therefore be stable in order to be able to withstand, during the preparation, loads acting transverse to the movement direction, without the reduction of its service life. For this reason, at least one support roller is provided beneath the cross-connectors for taking up the weight of the ground preparation device when the latter is moved in a lifted condition.
Under circumstances, it is sufficient when one cross-connector is respectively provided. However, a particularly reliable chassis with a long service life are obtained when two parallel rolled section beams, web plate beams or lattice girders are used. A box girder, beside a
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Glencoe Soil Finisher brochure, pp. 1-6.
Midwest Lift Harrow brochure, pp. 1-4.
Kasco Switch Hitch brochure, p. 1.
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