Planting – Miscellaneous
Patent
1994-06-30
1996-01-09
Reese, Randolph A.
Planting
Miscellaneous
111901, A01C 700
Patent
active
054819911
DESCRIPTION:
BRIEF SUMMARY
A device for inserting elongated artificial grass fibres into the ground.
The invention relates to a device for inserting elongated artificial grass fibres into the ground.
As explained in the prior Dutch Patent Application No. 9100202 it may be desirable to insert artificial grass fibres into the ground in order to improve a field comprising natural grass, which is e.g. used for practicing sports or the like.
With such a construction the artificial grass fibres must be inserted into the ground individually. In view of the large dimensions of a playing field and the desired rather small spacing between the fibres, inserting the fibres by hand will take up too much time and be too costly.
The object of the invention is therefore to provide a possibility to effect said inserting into the ground of individual artificial grass fibres by machine.
According to the invention this can be achieved in an efficient manner by means of a device which is provided with a frame, which is movable across the ground and which has at least one planting pin being movable up and down in the frame, as well as with means for placing an artificial grass fibre to be inserted into the ground under said planting pin, in such a manner that the fibre in question can at least partially be pressed into the ground by the planting pin subsequently moving downwards.
The invention will be explained in more detail in the following description, wherein reference is made to the accompanying drawing, in which:
FIG. 1 diagrammatically illustrates the operation of an embodiment of a device according to the invention for planting artificial grass fibres into the ground;
FIG. 2 is a diagrammatic, perspective view of an embodiment of a device according to the invention for planting artificial grass fibres into the ground;
FIG. 3 is a diagrammatic side view of two devices according to the invention, which are coupled to the front and the rear of a tractor respectively;
FIG. 4 is a larger-scale side view of a part of one of the devices shown in FIG. 3, in a first operating position;
FIG. 5 is a view corresponding with FIG. 6, in a second operating position of the device;
FIG. 6 is a larger-scale, cross-sectional view of the device according to FIG. 3;
FIG. 7 is a larger-scale sectional view of a detail of the device according to FIG. 4.
As described in the prior Dutch Patent Application No. 9100202 it is possible, e.g. in order to improve a grass field, to insert artificial grass fibres consisting of a plastic material into the ground in a position in which said fibres are folded in two.
It is to be preferred thereby to insert the fibres into the culture medium in regularly spaced relationship. This regular spacing can be obtained by providing the fibres in a certain pattern, such as on the corner points of an imaginary equilateral triangle. The dimension of the sides of said equilateral triangle can be varied, preferably from 1-3 cm.
In order to insert the fibres 1 into the culture medium 5 in an efficient manner a fibre planting machine such as illustrated in FIG. 1 has been developed. Before discussing the device shown in FIG. 2, reference is first made to FIG. 1, which diagrammatically indicates the operation of the fibre planting machine according to the invention. In FIG. 1 step A illustrates the first situation of the device shown in FIG. 2, for providing the end 31 of the fibre 30 between the clamping blocks 21-22. In situation B the tube 20 is retracted from the clamping blocks, leaving behind the fibre 30, whereby the clamping blocks 21 and 23 are respectively provided on the lower clamping blocks 22 and 24, so that at its ends the fibre 30 is fixed between the clamping blocks. The projecting end of the fibre, indicated at 31 in situation A, is clamped down between the clamping blocks 21 and 22. Furthermore the knife 26 is moved downwards in the clamping blocks 23 and 24 in situation B, so that the fibre 30 is cut through and the end 32 can become disengaged after the clamping blocks 23 and 24 have been separated. In addition the planting pin
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patent: 4294179 (1981-10-01), Cayton et al.
patent: 4694606 (1987-09-01), Wood et al.
Batson Victor
Reese Randolph A.
Tapijtfabriek H. Desseaux N.V.
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