Planting – Drilling and broadcasting – Main and auxiliary frame machines
Patent
1981-06-15
1983-09-20
Feyrer, James R.
Planting
Drilling and broadcasting
Main and auxiliary frame machines
A01C 1102
Patent
active
044049170
DESCRIPTION:
BRIEF SUMMARY
The present invention is concerned with a method for planting pot plants by means of a planting machine travelling on the ground so that a planting furrow is formed and the plants are fed into the planting means of the planting machine, which planting means grasps a plant, lowers the plant down towards the planting furrow and disengages the plant above the planting furrow, after which, when the plant has assumed a substantially vertical position in the planting furrow, the furrow is closed. The invention is also concerned with a device for applying the method, which device comprises a ploughing plough-share for forming the planting furrow, a planting means, equipment for feeding the plants into the planting means as well as means for closing the planting furrow.
Planting methods are previously known in which the plant is introduced into the furrow ploughed by the plough-share at a speed equal to the travelling speed but of opposite direction. The plant is pressed either by two disks or by various clamps. A method is known in which the plant is dropped through a vertical chute into the furrow, which is being filled after the plough-share. Likewise, a method is known in which the plant is dropped through a tube in between two resilient walls of pins, the speed of the walls being equal to the travelling speed but of opposite direction. A method is also known in which the plant is introduced inside the plough-share behind a pushing means and in which the pushing means pushes the plant into the furrow substantially at the travelling speed.
It is a common feature of all of the known methods that the plant is placed into the furrow and kept upright by means of various methods until the compacted soil supports the plant. Likewise, it is a common feature especially of automatic planting machines that the plant feeding equipment and the equipment for introducing the plant into the ground are separate.
The method in accordance with the present invention is characterized in that when the plant is disengaged from the planting means, the component of the speed of the planting means and the plant opposite to the travelling direction of the planting machine in relation to the planting machine is substantially higher than the speed of the planting machine in relation to the ground surface. The device in accordance with the invention is characterized in that the planting means consists of a device that transports a plant above the planting furrow, close to the ground level at a speed whose component opposite to the travelling direction of the planting machine in relation to the planting machine is substantially higher than the speed of the planting machine in relation to the ground surface. In the device in accordance with a preferred embodiment of the invention, when pot plants placed in a chain formation are being planted, a first pair of rollers pulls the chain and, by means of the speed of rotation of the rollers in relation to the travelling speed, determine the spacing of plants. A second pair of rollers, having a higher speed of traction, cuts the chain along perforations, and belts driven by the upper parts of the pair of rollers throw the pots of plants, pressing their upper parts, at a speed substantially higher than the travelling speed, into the furrow being closed after the plough-share.
An advantage of the method is the simplicity of the way of planting the plants at desired spacing of plants in their correct planting position. With the device in accordance with the invention, a simple automatic planting machine is provided by means of which a very high planting capacity is achieved. An advantage is the continuous rotary movement of all of the mobile parts.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be described more closely below with reference to the attached drawings, wherein
FIG. 1 is a schematical side view of the device in accordance with the invention and
FIG. 2 is a schematic view of the same device in the direction of the arrow A, without the wheels for closing the furrow.
DETAILED DESC
REFERENCES:
patent: 474425 (1892-05-01), Updike
patent: 2163802 (1939-06-01), Oakley
patent: 3719158 (1973-03-01), Roths
patent: 4132337 (1979-01-01), Masuda et al.
patent: 4289080 (1981-09-01), Penley
Feyrer James R.
Lannen Tehtaat Oy
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