Harvesters – Cutting – Rotating cutting-reel type
Patent
1990-10-17
1991-10-15
Melius, Terry L.
Harvesters
Cutting
Rotating cutting-reel type
56DIG20, 172 21, A01D 3462
Patent
active
050563041
DESCRIPTION:
BRIEF SUMMARY
This invention relates to an apparatus for mowing grass or similar vegetation, comprising a frame, a shaft rotatably mounted in said frame in such a manner as to extend substantially horizontally in the position of use of the apparatus, a plurality of swingles being provided along and around said shaft, said swingles being rotatably connected with said shaft for rotation about axes substantially parallel to said shaft and being constructed at their outer ends with edges for cutting the grass or similar vegetation.
Apparatus of the kind referred to are primarily known in connection with the harvesting of green crops to be used for silage, e.g. beet tops. These apparatus are well known within agriculture under the denomination forage harvesters. Such apparatuses are known e.g. from US-A-3.417.557 and US-A-3.093.951.
It has been found, however, that apparatus of the kind referred to are also suitable for the mowing of grass, seeing that they work fast and efficiently and give e.g. park lawns an attractive appearance. At the same time they have the advantage that, by virtue of the swingles, they are capable of throwing or blowing the cut-off grass upwards through the pipes with which apparatus of this kind are usually provided, so that the grass can be loaded into an accompanying vehicle. Moreover, it has been found that these apparatus are also suitable for the cultivation of areas having a high growth of grass or weeds. They can therefore be used for the cutting of the so-called rough of golf courses and, obviously, for the cutting of grass on fairways.
It is the object of the invention to provide an apparatus of the kind referred to which has improved working properties, and to achieve this object, according to the invention, at least some of the swingles carry tilling elements for producing airing openings or grooves in the soil. Hereby the advantage is obtained that the apparatus, while operating to cut grass, can at the same time be used for performing a tilling operation of the grass area considered substantially corresponding to the tilling operation known as vertical cutting. Moreover, this property is obtained in a particularly simple and convenient manner, seeing that no additional suspending means are required on the shaft for suspending the said tilling elements, seeing that these are carried by the associated swingles.
According to the invention, the tilling elements may advantageously comprise a plate-shaped tilling portion, the plane of which is substantially perpendicular to the shaft. Thereby, the tilling elements will be capable of producing rather narrow grooves in the soil or in the grass roots so as to provide an efficient airing.
According to a relatively simple embodiment of the apparatus according to the invention the tilling elements comprise pieces of flat steel bars, one end of which, in the working position, extends radially beyond said edge of the respective swingle.
A particularly advantageous embodiment of the apparatus according to the invention is characterized in that the tilling elements are pivotably suspended in brackets for rotation about axes that are substantially parallel to the shaft, and that the said brackets protrude rearwardly from the respective swingles, as seen in the direction of rotation of the shaft. Hereby a lever effect can be obtained, which is advantageous in connection with the depression of the tilling elements into the soil or grass roots.
The invention will now be explained in further detail with reference to the drawing, in which
FIG. 1 diagrammatically shows a vertical section through an embodiment of the apparatus according to the invention, in side view,
FIG. 2 is a perspective view of a swingle with associated tilling elements,
FIGS. 3, 4 and 5 show a swingle substantially corresponding to that of FIG. 2, as suspended on a shaft, as seen in rear view, side view and front view, respectively,
FIG. 6 is a picture illustrating the position, which a swingle with tilling elements according to FIG. 2 will assume when the swingle in question and the ass
REFERENCES:
patent: 2520488 (1950-08-01), Batchelder
patent: 2827751 (1958-03-01), Mascaro
patent: 3093951 (1963-06-01), Barows et al.
patent: 3417557 (1968-12-01), Brewer
patent: 3452823 (1969-07-01), Shapland, Jr.
patent: 3460629 (1969-08-01), Shapland, Jr. et al.
patent: 4267891 (1981-05-01), van der Lely et al.
Melius Terry L.
Spragelse Maskinfabrik AS
LandOfFree
Apparatus for mowing grass or similar vegetation does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for mowing grass or similar vegetation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for mowing grass or similar vegetation will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-981734