DEP0009618MA - - Google Patents

Description

FEDERAL REPUBLIC OF GERMANY

Filing date: April 21, 1953. Advertised January 12, 1956

GERMAN PATENT OFFICE

The invention relates to a mounted plow, which with the help of the known three-point hitch can be detachably connected to a tractor.

In practice, attachable plows are increasing Extensive application because they have a shorter application time and can be carried out from the tractor can be easily operated by the driver.

For a long time, the connection between the mounted plow and the tractor was made exclusively with the help of a suspension in four points. With this suspension there is the possibility of to impose the plow to the left or right in such a way that it is also possible to enter the last outer furrow of the field to be tilled completely without causing damage to the adjacent field or to drive on this field. In spite of these possibilities, it is being used in ever increasing proportions the application of the four-point suspension refused because it can in fact not be overlooked that it has disadvantages in the other direction that do not outweigh the advantages of border plowing Based on this consideration, the so-called three-point suspension has been preferred for a long time, but none of its structural details are here require further explanation, as this principle has also been known for a long time. The three-point hitch has now in spite of her decisive

509 628/229

P 9618 III / 45a

the. Advantages over the four-point hitch the disadvantage that one in this way to the tractor attached plow does not offer the possibility of the last two furrows of the one to be cultivated Properly plow the field, as there is no possibility with the three-point hitch is to attach the plow so that the left or right plow body is immediately behind the tractor wheel running in the furrow.

ίο The invention has set itself the task of while maintaining the, as proven, advantageous attachment with the help of the three-point hitch to design this suspension so that for the purpose of plowing the border furrows one side Imposition of the plow can be carried out in such a way that the left or right plow body at least spins with the left or right rear wheel of the tractor, possibly even still to the side over the rear wheel, protrudes to a suitable looking extent.

This object is achieved according to the invention in that on the supporting structure of the plow in addition In addition to the three coupling points for the normal position, there are more, in particular three, laterally offset Coupling points are provided.

This creates the particular advantage that the tried and tested three-point suspension is used in the simplest form, by hanging the plow on the side, an einwaiMl · free processing of the field to be ordered can be carried out to its extreme limits. The subsequent plowing, which was previously necessary and often carried out in practice, is no longer necessary the border furrows by a team.

The subject of the invention is still with additional advantages associated with the structural design of the side curtain of the . Plow means used.

An example embodiment of the new trailed plow is shown in the drawings Three-point hitch can be seen.

Fig. Ι shows a two-share plow that with the help the three-point hitch is coupled to a tractor, in the normal working position

development of the ploughshare; ·

FIG. 2 shows the side curtain of the plow for plowing out the two end furrows of a field to be tilled on the left in the plowing direction; FIG. ,

Fig. 3 shows the essential parts of the mounted plow with the design of the three-point hitch and the additional struts that allow the side hanging.

With ι and 2 are designed as a trunnion Coupling points of the plow referred to, which engage in corresponding, from Fig. 1 visible storage points on the tractor. 3 represents the upper one Bolt bearing, in which the upper push rod on the tractor engages. With normal plowing the connection with the tractor is established via the two trunnions 1 and 2 and the pin bearing 3 manufactured.

On the supporting structure of the plow is in the lateral projection by means of appropriate struts 7, 8, 9 and 10 a. another bolt end bearing 6 with a laterally projecting trunnion bearing 4 created,

Furthermore, a further support pin 5 is provided on the aforementioned supporting structure. The Bolt bearing 6 with the trunnions 4 and 5 thus forms a three-point suspension on the side Imposition of the mounted plow, as can be seen from FIG. 2.

11 indicates the plow shaft, 12 the plow shaft, 13 the mouldboard and 14 the ploughshare.

The method of coupling the plow or the side curtain does not require any detailed explanations, as they can be easily derived from the description above with the figures results.

The type of struts and their points of application depend on the forces involved is different for each type of plow.

Claims (2)

PATENT CLAIMS:. g ₅ ι. Mounted plow, the structure of which is connected to the tractor by means of a three-point hitch is, characterized in that on 'the structure in addition to the three coupling points (1, 2, 3) for the normal position of the mounted plow on the tractor and others, in particular three further, laterally offset coupling points (4, 5, 6) are provided for the Border plowing enable laterally offset coupling of the mounted plow. 2. Attachment plow according to claim 1, characterized in that that that with two trunnions (1, 2) and a pin bearing (3) for coupling of the mounted plow in the normal position provided supporting structure by struts (8, 9, 10), a second pin bearing (6) and carry a third trunnion (4) for which border plowing is laterally extended while a fourth support pin (5) on the supporting structure provided with the coupling points for the normal position is attached. Referred publications:
German Patent No. 835 235;
U.S. Patent No. 2,461,885. 1 sheet of drawings