Earth working – With drive means for tool or cleaner – With non-driven tool
Patent
1983-03-02
1985-08-06
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
With non-driven tool
403 97, 403100, A01B 3306, A01B 4902
Patent
active
045329990
DESCRIPTION:
BRIEF SUMMARY
SUMMARY OF THE INVENTION
This invention relates to a soil cultivating machine comprising soil cultivating members driven rotatably around upwardly extending axes and being carried by a gear box extending transversely of the intended direction of operative travel and behind the cultivating members a roller which is adjustable in a direction of height on the gear box by means of supporting arms.
During road transport the legal provisions in force in various countries have to be satisfied, according to which provisions the maximum width of the machine should not exceed a given number of meters, for example, three meters. By employing a construction embodying the invention, the gear box can now have a length corresponding to the prescribed dimension. Thus at least at one end of the gear box, and end plate which includes a part extending above the gear box is fastened, while a supporting arm for the roller is arranged to pivot from said part and to be selectively secured on the inboard side of the end plate. In this manner the outer surfaces of the two end plates are exactly at a relative distance corresponding to the maximum width allowed, for example, three meters, without sacrificing the width is sacrified for suspending the roller.
For a better understanding of the invention and to show how the same may be carried into effect, reference will be made, by way of example, to the accompanying drawings, in which:
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a plan view of a machine embodying the invention,
FIG. 2 is a side elevation in the direction of the arrow II in FIG. 1,
FIG. 3 is an elevational view taken in the direction of the arrow III in FIG. 2 of part of FIG. 2,
FIG. 4 is a sectional view taken on the line IV--IV in FIG. 1, and
FIG. 5 is a rear view in the direction of arrow V in FIG. 4.
DESCRIPTION OF THE PREFERRED EMBODIMENT
The device illustrated in the figures is a soil cultivating machine comprising a frame part 1 extending transversely of the intended direction of operative travel A of the machine and having the shape of a closed box formed from metal sheets. It will be apparent from FIG. 4 that the frame part 1 comprises a substantially U-shaped part 2, the two limbs of which extend upwardly, said part being closed at the top by a detachable cover 3 fastened by bolts and occupying a substantially horizontal position covering the whole width of the machine. The frame part 1 is closed at both ends by a head partition 4 comprising a metal end plate welded along the whole length of the head periphery of the U-shaped part 2. The plate 4 is arranged in a substantially vertical position and is approximately parallel to the direction of movement A. Midway along the length of the frame part 1, a trestle 5 is fastened principally to the top of said frame part, said trestle having, at the front of the machine, three connecting points intended to be coupled with the arms of a three-point lifting device of a tractor moving the machine. Near the mid-point of the frame part 1, the top side thereof is furthermore provided with a driving mechanism 6 having a forwardly protruding input shaft 7 which can be coupled, with the aid of an intermediate shaft 8, to the power take-off shaft of a tractor connected with the trestle 5.
The bottom of the U-shaped part 2 is provided with a sequence of bearing 9 extending transversely of the direction of movement A and the cover 3 has a corresponding sequence of bearing 10 so that the center line of each bearing 9 registers with the center line of a corresponding bearing 10. In the bearings 9 and 10 are rotatably held upwardly extending rotary shafts, which are coaxially surrounded, inside the closed frame part 1, by gear wheels 11, the proportions of the arrangement being such that the gear wheels 11 associated with the two series of bearings 9 and 10 form a sequence of meshing pinions extending transversely of the direction of movement A. A gear wheel 11 located near the driving mechanism 6 can be directly driven from said mechanism and all further gear wheels 11 are
REFERENCES:
patent: 3616862 (1971-11-01), Lely
patent: 3902560 (1975-09-01), Lely
patent: 4003438 (1977-01-01), Lely
patent: 4016933 (1977-04-01), Lely
patent: 4051904 (1977-10-01), Lely
patent: 4113024 (1978-09-01), Lely
patent: 4280565 (1981-07-01), Lely
patent: 4375837 (1983-07-01), Lely
Bom Cornelis J. G.
van der Lely Ary
Albright Penrose Lucas
C. van der Lely N.V.
Johnson Richard J.
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