JPH06153655A - Mower - Google Patents

Abstract

PURPOSE:To obtain a mower capable of preventing pollution of agricultural chemical without using an agricultural chemical, reaping weeds shorter than lawn grass and cutting weeds softer than lawn grass in a lawn without reaping lawn grass in golf links, etc., by equipping a weeding rotator driven by a motor with a weed cutting blade. CONSTITUTION:In a mower wherein a lawn is cut in a given dimension by a lawn grass reaping blade attached to a weeding rotator such as rotary type or rocking revolution type rotator driven by a motor and a weed cutting blade at a given level below the rotator and weeds except the lawn grass can be removed or cut, plural weeding blades 4 are protrusively fixed to the outer periphery of the weeding rotator 2 driven by the motor and plural edged projections 3 are installed in plural directions under the weeding rotator 2 with changing rotary phases. An inner ring 9 and an outer ring 17 are stuck fast to the weeding rotator 2, a supporting member 8 provided with a shaft hole 6 at the upper part is sealed to the top of the inner and outer rings. The top of an edged projections 3 are inserted into cuts set at the lower parts of the outer ring 17 and fixed to the inner ring 9 to reap weeds softer than lawn grass in a lawn.

Description

Detailed Description of the Invention

BACKGROUND OF THE INVENTION The present invention relates to a weeding rotator capable of mowing weeds without cutting grass and a mowing machine provided with the same, which is a technique for preventing pesticide pollution.

2. Description of the Related Art Conventionally, the only lawn mower capable of cutting weeds softer than lawn in a lawn was only the lawn mower in the lawn by the present inventor.

SUMMARY OF THE INVENTION The present invention is firstly to mow the lawn in the lawn without cutting the lawn, and secondly to mow the lawn in a predetermined length, and the weed softer than the lawn is lawn. The object of the present invention is to provide a weeding rotary body for this purpose and a mowing machine or a lawn mowing machine provided with the weeding rotary body by simultaneously performing shorter mowing.

SUMMARY OF THE INVENTION The present invention provides a lawn cutting blade provided on a weeding rotary member such as a rotary type or a swinging rotary type driven by a prime mover, and a grass cutting blade at a predetermined level below the rotary body to provide a lawn. Relates to a mowing machine capable of mowing with a predetermined size to remove or mow weeds other than lawn, and to provide one or a plurality of blade-like projections at a predetermined level below the weeding rotary body. It is to provide the blade-like projection at a level below a predetermined dimension of the weeding rotary body provided with, and below the blade-like projection, a horizontal blade facing in the rotation direction is provided, and a supporting body for supporting the horizontal blade is provided. A solid blade is provided on the leading edge that descends downward to cut out grass entanglement to eliminate it, and further, the sharpness of the blade edge of the blade-like protrusion is formed to be blunt than the blade edge of the lawn mowing blade. You can adjust the structure and height of the weeding body Also in the blower provided above, a mower that eliminates the grass clippings will be described in detail by an embodiment.

Embodiment 1 FIG. 1 is an example of a mower equipped with a weeding rotary member according to the present invention, in which a prime mover is located at the center of the uppermost portion, a hood 13 surrounds the outer periphery thereof, and a skirt is provided below the hood. 15 is mounted all around, and a wheel 16 is mounted below the skirt so that the height of the wheel 16 can be adjusted to a predetermined size. Further, the drive shaft 5 projecting downward of the prime mover 10 is provided with a fan, which is approximately a blower, on the way, and the weeding rotor 2 is fixed to the lowermost part of the shaft. A lawn mowing blade 4 is integrally fixed to the lower portion of the side wall of the weeding rotary member, and a blade-like projection 3 is fixed to the bottom portion. Therefore, when the prime mover is driven, the weeding rotor 2 cuts grass at a position lower than the lawn mowing blade in the direction of arrow P. Since the blade edge of this blade-like protrusion is a predetermined blunt blade from the blade edge of the lawn mowing blade 4, when the lawn mowing blade 4 rotates at a speed at which lawn can be cut, the horizontal blade of the blade-like protrusion constitutes the lower end. , Mowing weeds that are softer than turf at a position lower than the cutting edge of the lawn mowing blade is not as sharp as mowing turf at the rotation speed in this case, so the lawn mowing blade mows turf at a high position,
The mowing blade cuts only softer weeds at a lower position, so that grass cutting and grass cutting can be performed at the same time. The height of mowing can be determined by adjusting the height of the wheels. Further, the height of the lawn mowing can be adjusted by changing the height of the blade-shaped projections so as to adjust the difference in height between the lawn and the grass. In addition, the grass can be blown upward with a funk and collected in a large grass collecting tool 14 in the rear. Although this example is a rotary mower by normal rotation, it is obvious that the eccentric shaft is provided below the drive shaft and the weeding rotor according to the present invention is attached to the eccentric shaft to obtain the same effect.

[Embodiment 2] FIGS. 2 and 3 show an example of the weeding rotor 2 according to the present invention, in which three lawn mowing blades 4 are fixed to the outer periphery of the weeding rotor and are fixed to the lower surface of the weeding rotor 2. Is provided with three blade-shaped projections 3 one by one in three directions by changing the rotation phase.
A shaft hole 6 for fixing to the drive shaft is provided in the center. In this example, the blade-shaped projections are provided by changing the rotation phase.
It is clear that it has the same action and effect as the herbicidal rotator.

Third Embodiment Referring to FIGS. 4 to 10, in the weeding rotor 2, the inner ring 9 and the outer ring 17 are in close contact with each other, and the support 8 having the shaft hole 6 above is fixed to the upper part of the inner and outer rings. Yes,
The upper portions of the blade-shaped projections 3 are inserted into the notches provided at four locations below the outer ring, and fixed to the inner ring 9 with screws 11. Further, one lawn mowing blade 4 is provided on the opposite side of the lower portion of the outer ring 17. The blade-shaped projection that is the above-mentioned mowing blade has a cross section a.
In the case of --a ', the hard blade is extremely sharp, and is constructed perpendicularly to the horizontal blade formed into a predetermined blunt blade from the lawn mowing blade.
Further, in FIG. 8 shown by a cross section b--b ', the middle of the hard blade is deeply scooped at the leading edge to form the hard blade. Therefore, the rear part has the same width from top to bottom, and the upper part of the front edge has the same wall thickness as the rear part and two screw holes for fixing with screws are provided. Since the rear edge of the support 8 is twisted upward in the direction of rotation (arrow Q), the lower grass is discharged upward together with air.
Thus, as described in detail in this example, the blade projection is composed of a horizontal blade that cuts soft grass and a hard blade that cuts and removes entangled grass, so that the grass does not get entangled in the blade projection and is smooth. You can continue mowing work. This example is one example according to the present invention, and the blade-like protrusion is not limited to this example.

EFFECTS OF THE INVENTION According to the blade-shaped projections protruding downward of the weeding rotary member of the present invention, the lawn is pushed down or scraped off without cutting the lawn at a predetermined rotation or less, and is lower than the lawn and softer than the lawn. Weeds can be mowed, the horizontal blade is effective for mowing, and the hard blade is sharp at the position where the grass is most retracted and the grass is entangled in the center of the curve. This makes it possible to perform continuous work, and at the same time, by providing a lawn mowing blade sharper than the horizontal blade at a predetermined position above, it is possible to mow lawn and mow the lawn at a low height.

[Brief description of drawings]

FIG. 1 is a front view. A reduced schematic view of an example of a mower driven by a prime mover to which the present invention is applied.

FIG. 2 is a bottom view. A reduced schematic view of an example of a weeding rotary body according to the present invention.

FIG. 3 Front view Second front view

FIG. 4 is a plan view of a ring-shaped weeding rotary member of Example 3 in a reduced schematic view.

FIG. 5 is a bottom view of the ring-shaped weeding rotary member of FIG.

FIG. 6 is a side view of the ring-shaped weeding rotary member of FIG.

FIG. 7 is a cross-sectional view showing an enlarged view of a cross-section a --- a 'in FIG.

8 is an enlarged view of a cross section b --- b 'in FIG.

FIG. 9 is a bottom view showing an enlarged view of the blade-like protrusion in FIG.

FIG. 10 is an inner view of the blade-shaped projection in FIG.

[Explanation of symbols]

1, mowing machine 2, weeding rotating body 3, blade projection 4, lawn mowing blade 5, drive shaft 6, shaft hole 7, fan 8, support 9, inner ring 10, prime mover 11, screw
12, horizontal blade 13, hood 14, grass collecting tool 15, skirt 16, wheel 17, outer ring 18, hard blade

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[Procedure amendment]

[Submission date] December 2, 1992

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Title of Invention] Mower

[Claims]

Detailed Description of the Invention

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a weeding rotary body capable of mowing weeds without mowing grass or a weeding body swinging at a predetermined level, and a mowing machine provided with the same, mainly in a golf course. This is a preventive technology.

2. Description of the Related Art Conventionally, the only lawn mower capable of cutting weeds softer than lawn in a lawn was only the lawn mower in the lawn by the present inventor.

SUMMARY OF THE INVENTION The present invention is firstly to mow the lawn in the lawn without cutting the lawn, and secondly to mow the lawn in a predetermined length, and the weed softer than the lawn is lawn. By providing a weeding rotary body for this purpose and a weeding machine provided with the weeding rotary body or a weeding machine provided with a weeding body that swings at a predetermined level by simultaneously performing shorter mowing. is there.

According to the present invention, a lawn mowing blade provided on a weeding rotary body such as a rotary type or an oscillating rotary type driven by a prime mover and a mowing blade at a predetermined level below the rotary body are provided. A lawn mower capable of mowing lawns with a predetermined size to remove or mow weeds other than lawn is provided with one or more blade-like projections at a predetermined level below the weeding rotary body. The blade-like protrusion is provided at a level below a predetermined size of the weeding rotary body provided with a blade, and a horizontal blade facing the rotational direction is provided below the blade-like protrusion, and further supports the horizontal blade. A vertical blade is provided on the front edge that rises above the blade body to cut out the entanglement of grass and eliminate it, and to further increase the efficiency of mowing, the side blade is composed of a front blade and a back blade. In addition to the sharpness of the blade tip, Or adjust the height of from the ground construction and 該除 grass rotating body herbicidal rotating body obtained by forming the blade, or Haikusa shape of the body, also may be provided a blower upwards,
The blade for cutting grass is provided on the weeding machine of the mower and the swinging mower, which is provided with a reversing weeding body on the inner and lower surfaces of the weeding rotary body in order to eliminate the weeding and makes it close to the upper surface of the horizontal blade to remove the entangled grass. Projections, which will be described in detail with reference to one embodiment.

Embodiment 1 FIG. 1 is an example of a mower equipped with a weeding rotary member according to the present invention, in which a prime mover is located at the center of the uppermost portion, a hood 13 surrounds the outer periphery thereof, and a skirt is provided below the hood. 15 is mounted all around, and a wheel 16 is mounted below the skirt so that the height of the wheel 16 can be adjusted to a predetermined size. Further, the rotary shaft 5 protruding downward of the prime mover 10 is provided with a fan acting as a blower in the middle thereof, and the weeding rotary member 2 is fixed to the lowermost part of the shaft. A lawn mowing blade 4 is integrally fixed to the lower portion of the side wall of the weeding rotary member, and a blade-like projection 3 is fixed to the bottom portion. Therefore, when the prime mover is driven, the weeding rotor 2 cuts grass at a position lower than the lawn mowing blade in the direction of arrow P. Since the blade edge of this blade-like protrusion is a predetermined blunt blade from the blade edge of the lawn mowing blade 4, when the lawn mowing blade 4 rotates at a speed at which lawn can be cut, the horizontal blade of the blade-like protrusion constitutes the lower end. , Mowing weeds that are softer than turf at a position lower than the cutting edge of the lawn mowing blade is not as sharp as mowing turf at the rotation speed in this case, so the lawn mowing blade mows turf at a high position,
The mowing blade cuts only softer weeds at a lower position, so that grass cutting and grass cutting can be performed at the same time. The height of mowing can be determined by adjusting the height of the wheels. Further, the height difference between the cutting lawn and the mowing grass can be adjusted by changing the height of the blade-shaped projections or the structure of the ring, for example, changing the fixing positions of the inner ring and the outer ring. In addition, the grass can be blown upward by the fan 7 and collected in a large grass collecting tool 14 in the rear. Although this example is a rotary mower by normal rotation, an eccentric shaft is provided below the rotary shaft and the weeding rotor according to the present invention is attached to the eccentric shaft to obtain the same effect.

[Embodiment 2] FIGS. 2 and 3 show an example of the weeding rotor 2 according to the present invention, in which three lawn mowing blades 4 are fixed to the outer periphery of the weeding rotor and are fixed to the lower surface of the weeding rotor 2. Is provided with three blade-shaped projections 3 one by one in three directions by changing the rotation phase.
A shaft hole 6 for fixing the rotary shaft is provided in the center. In this example, the blade-shaped projections are provided by changing the rotation phase.
It has the same effect as the weeding rotator.

Third Embodiment Referring to FIGS. 4 to 10, in the weeding rotor 2, the inner ring 9 and the outer ring 17 are in close contact with each other, and the support 8 having the shaft hole 6 above is fixed to the upper part of the inner and outer rings. Yes,
The upper portions of the blade-shaped projections 3 are inserted into the notches provided at four locations below the outer ring, and fixed to the inner ring 9 with screws 11. Further, one lawn mowing blade 4 is provided on the opposite side of the lower portion of the outer ring 17. The blade-shaped projection that is the above-mentioned mowing blade has a cross section a.
--- a ', the vertical blade is extremely sharp, and is vertical to the horizontal blade formed into a predetermined blunt blade from the lawn mowing blade. Further, in FIG. 8 shown by the cross section b--b ', the middle of the vertical blade is deeply carved at the leading edge to form the vertical blade. Therefore, the rear part has the same width from top to bottom, and the upper part of the front edge has the same wall thickness as the rear part and two screw holes for fixing with screws are provided. Since the rear edge of the support 8 is twisted upward in the direction of rotation (arrow Q), the lower grass is discharged upward together with air. Thus, as described in detail in this example, the blade projection is composed of a horizontal blade that cuts soft grass and a vertical blade that cuts and removes entangled grass, so that the grass does not get entangled in the blade projection and is smooth. You can continue mowing work. This example is one example according to the present invention, and the configurations of the ring and the blade-shaped projections are not limited to this example.

[Fourth Embodiment] FIGS. 11 to 13 are schematic views of a lawn mower capable of simultaneously lawn mowing. A prime mover 10 is provided in the center of the machine, and a ring-shaped plate is fixed slightly above the outer periphery thereof. The upper part of the hood 13 is integrally fixed to the periphery, and covers the upper part slightly larger than the outer periphery of the weeding rotor 2 fixed to the lower part of the rotary shaft 5 below the prime mover 10. The weeding rotary member 2 is a weeding rotary plate formed by pressing a thin steel plate,
Each of the blades comprises two blade-shaped projections and a lawn mower, and the weeding rotary plate has four weeding holes 20 cut out at the upper part thereof, and a radial support 8 is provided between the weeding holes to form a trailing edge in the rotating direction. The portion is inflated upward so that it has the function of a fan and supports the peripheral edge 21 at the outer peripheral portion. The peripheral edge 21 is formed in a dish edge shape below the upper outer circumference, and blade-like projections and lawn mowers are alternately fixed to the inner surface at intervals of 90 degrees. The blade-like projections and the lawn cutting plate are formed of a steel plate for cutlery, and the upper part is formed so as to be in close contact with the inner surface of the peripheral edge. The upper part is formed with two screws and the side edges are formed with four screws. It is fixed to the weeding rotary plate.
A vertical edge is formed on the vertical edge of the vertical projection 18 below the blade-shaped projection 3 and is bent downward inward at a right angle to form a horizontal blade. A back blade 24 is formed between the two blades 23, which is blunt for a predetermined amount from the blade of the lawn mower 22. Further, the weeding body 25 is provided on the lower surface of the weeding rotary plate.
Is provided in the reverse rotation with respect to the weeding rotary plate, and the lower part of the weeding body rotates close to the upper surface of the horizontal blade of the blade-like projection and the inner surface of the vertical blade, but there is an interval that does not cause a collision and Since the front end of the lower surface of the grass is upward and has a receding form below the upper part, it is safe if the grass is excluded and there is no destructive impact. Incidentally, the above-mentioned grass-fed body is only one embodiment, and the present invention is not limited to the above-mentioned example. Therefore, when driven at an appropriate rotation speed, the lawn mowing board cuts grass and the horizontal blade below cuts grass. Without cutting grass, it is possible to mow grass lower than the height of the blade of the lawn and the side blade. Further, the structure of the wheel can be variously modified, and the present invention can be applied to a structure in which the wheel is supported and driven by the hand and arm. Further, the main part of the constitution of the weeding rotary body according to the present invention can be applied to the weeding body of the rocking type mower.

EFFECTS OF THE INVENTION According to the blade-shaped projections protruding downward of the weeding rotary member of the present invention, the grass is pushed down or scraped off without cutting the grass below a predetermined rotation, and the grass is lower than the grass at a height lower than that of the grass. You can mow soft weeds, the horizontal blade is effective for mowing, and the vertical blade sharpens the position where the grass is retracted at the center of the curve and the grass is entangled. Because you pay the grass on the top of
The work is prevented from being entangled with entangled grass to enable continuous work, and a lawn mowing blade sharper than the horizontal blade is provided at a predetermined position at the same time to mow the lawn at a high position and mow the lawn at a low position. It can be carried out.

[Brief description of drawings]

1 is a front view. A schematic reduced view of a mower driven by a prime mover to which the present invention is applied.

FIG. 2 is a bottom view. A reduced schematic view of an example of a weeding rotary body according to the present invention.

FIG. 3 Front view Front view of FIG.

FIG. 4 is a plan view of a ring-shaped weeding rotary member of Example 3 in a reduced schematic view.

FIG. 5 is a bottom view of the ring-shaped weeding rotary member of FIG.

FIG. 6 is a side view of the ring-shaped weeding rotary member of FIG.

FIG. 7 is a cross-sectional view showing an enlarged view of a cross-section a --- a 'in FIG.

8 is an enlarged view of a cross section b --- b 'in FIG.

FIG. 9 is a bottom view showing an enlarged view of the blade-like protrusion in FIG.

FIG. 10 is an inner view of the blade-shaped projection in FIG.

FIG. 11 is a front view. A schematic reduced view of a mower provided with a horizontal blade including a rear blade and a front blade according to the fourth embodiment.

FIG. 12 is a bottom view of the mower shown in FIG.

FIG. 13 is a perspective view.

FIG. 14 is a schematic view of a lawn mowing blade.

[Explanation of reference numerals] 1, mower 2, weeding rotor 3, blade-like protrusion 4, lawn mowing blade 5, rotary shaft 6, shaft hole 7, fan
8, support 9, inner ring 10, prime mover 11, screw
12, horizontal blade 13, hood 14, grass collecting tool 15, skirt 16, wheel 17, outer ring 18, vertical blade 19, rear wheel
20, weeding mouth 21, peripheral edge 22, lawn mower 23, front blade
24, back blade 25, weeding body 26, reversing device

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Claims (6)

[Claims] 1. A mowing machine for cutting weeds shorter than a lawn by providing a mowing blade below a rotary or swinging weeding rotary body driven by a prime mover. 2. A grass cutting blade provided with a lawn mowing blade on a rotary rotating or rocking rotary weeding rotary body driven by a prime mover, and a grass cutting blade capable of mowing softer weeds than grass at a predetermined level below the lawn mowing blade. Machine. 3. A weeding rotor having one or a plurality of blade-shaped projections provided on the lower surface of the weeding rotor. 4. A blade-shaped projection having a horizontal blade on the lower side and a hard blade on the front edge rising from the horizontal blade. 5. The mower according to claim 1, wherein the weeding rotary member has a ring shape. 6. The mower according to any one of claims 1 to 4, further comprising a weeding rotary member in which the sharpness of the cutting edge of the blade-like projection is formed to be dull compared to the cutting edge of the lawn mowing blade.