Agitating – Agitator – Stirrer
Reexamination Certificate
1999-03-31
2001-03-13
Soohoo, Tony G. (Department: 1723)
Agitating
Agitator
Stirrer
C366S346000, C119S057500, C119S340000, C119S521000, C119S902000
Reexamination Certificate
active
06200017
ABSTRACT:
FIELD OF THE INVENTION
The invention relates to an apparatus and method for mixing fodder.
BACKGROUND OF THE INVENTION
Such apparatus are known and usually consist of a hopper which may be either stationary or transportable and in which two kinds of fodder can be mixed. Subsequently the mixed fodder can be conveyed to the place where it is consumed by the animals, such as cows.
These known apparatus have various disadvantages. One thereof is that the farmer has to perform two operations, i.e., first introducing the kinds of fodder into the mixing container and subsequently bringing the mixed fodder from the mixing container into the feed channel. Furthermore, it may sometimes be considered as a disadvantage that the known apparatus cannot be used properly for mixing not yet consumed fodder present in a feed channel with new fodder.
SUMMARY OF THE INVENTION
An objective of the invention is to provide an apparatus by means of which the fodder can be mixed in the stable or cowshed itself.
In accordance with the invention, the apparatus can be moved by a tractor or similar vehicle or propelled under its own power, while the apparatus comprises at least one driven mixing device by means of which, during moving of the vehicle, fodder disposed beside the vehicle can be mixed. According to a further inventive feature, the driven mixing device projects outwardly at the lateral side of the vehicle.
According to another aspect of the invention, the apparatus can be energized and propelled by a tractor or similar vehicle or by means of its own or a dedicated motor in a cowshed, while the apparatus includes a hopper for fodder and at least one mixing device for mixing the fodder present in the hopper with another quantity of fodder, said mixing device being located outside the hopper.
According to a further aspect of the invention, the apparatus comprises mechanically driven mixing devices for mixing the fodder in a feed channel, the apparatus including a sensor for determining the position of the mixing device relative to the feed channel. By means of this construction it is possible to determine the position of the mixing device either from the driver's seat of a tractor, or elsewhere.
The invention also relates to a method of mixing fodder, in which at least part of the fodder is supplied to a feed channel and is mixed in the feed channel by means of a mechanically driven vehicle.
REFERENCES:
patent: 636959 (1899-11-01), Dornfeld
patent: 2281212 (1942-04-01), Stoltzfus
patent: 2481995 (1949-09-01), Godley
patent: 2895720 (1959-07-01), Koch et al.
patent: 677 171 (1991-04-01), None
patent: 445 624 (1925-12-01), None
patent: 26 32 577 (1977-02-01), None
patent: 2 704 779 (1994-11-01), None
patent: 2 155 297 (1985-09-01), None
Maaslaand N.V.
Penrose Lucas Albright
Soohoo Tony G.
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