JP7131839B2 - grass board - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grass-collecting plate for, for example, heavy machinery for collecting the cut grass after cutting weeds on a slope or the like.

Conventionally, weeding work on slopes and the like involves either manually cutting the grass, or mechanical weeding with a hammer knife, etc., and then collecting the cut grass in several places. are being transported from

A grass collector is used to collect the cut grass. Specifically, as shown in Patent Documents 1 and 2, a plurality of comb teeth (tines) are provided below a rectangular plate, and this grass collecting tool is gripped by a claw at the tip of a boom of a heavy machine, and the boom of the heavy machine is held. By moving, the cut grass is collected between one place or several places.

Utility Model Registration No. 3100860 JP 2016-21975 A

By the way, when the grass collection work with the conventional grass collection tool is performed on a slope 26 (for example, a bank) between a private house 25 and a paved road 27 as shown in FIGS. 8 (a) a indicates the weeding range), when collecting weeds after weeding manually or with a hammer knife, as shown in FIG. Attach the grass collector, move the grass collector in the direction of arrow F (forward direction) as shown in FIG. Further, by moving the boom in the direction of arrow G (horizontal direction), the grass is collected at one point on the slope surface 26 (see FIG. 2B, grass 28b), or manually b in FIG. (c) is the movement range of people), and the grass was collected at two locations on the slope 26 (see grasses 28c and 28d).

In any case, the finally collected grass must be collected on the slope 26 as shown by grasses 28b, 28c, and 28d in FIGS. 8(c) and 8(d). After that, the work of loading onto a truck or the like involves manually transferring the grass 28b to 28d collected on the slope 26 from the slope 26 to the paved road 27, and then driving the truck or the like onto the paved road 27. was going to load into the

This is because the comb teeth of conventional grass collecting tools are made of a hard material such as a metal rod, so that it is possible to collect grass on a slope 26 such as a bank. If the grass clipped on the upper surface of the paved road 27 is collected using the tool, the paved surface is damaged by the metal rod of the grass collector, so the clipped grass cannot be moved onto the paved road 27. rice field. Therefore, as described above, the grass must be collected within the range of the slope 26, and the subsequent transfer work to the paved road 27 and the loading work onto a truck or the like cannot be performed efficiently. was there.

In addition, weeding work ordered by administrative agencies such as the country or prefecture is for checking whether there is an abnormality in the embankment, etc. Due to the presence of the existing metal bar grass collection tool, blocks etc. may be damaged, so the grass collection work itself may have to be done manually, and work efficiency cannot be improved. There was a problem.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a grass-collecting plate that can collect grass without damaging pavement surfaces, blocks, or the like.

In order to achieve the above object, the present invention
First, a horizontally elongated elastic plate made of resin having a plurality of grass collecting pieces of a predetermined width formed adjacent to the lower edge by forming a plurality of cut grooves is arranged to secure an elastic plate fixing portion along the upper edge. Therefore, in a state in which the horizontally long elastic resin plate is fixed to the metal plate fixing portion along the lower edge of the horizontally long metal plate by the fixing means, and the horizontally long elastic resin plate is fixed to the horizontally long metal plate, the upper end portion of the cut groove is The upper edge of the horizontally elongated resin plate and the horizontally elongated metal plate are configured to have a predetermined gap between the upper end portion and the lower edge so as not to reach the lower edge of the horizontally elongated metal plate. A horizontal ridge is fixed to the oblong metal plate between the upper edge of the oblong metal plate, and a metal plate to be grasped is fixed to the central portion of the upper edge of the oblong metal plate. Consists of a plate.

The elastic plate fixing portion refers to a portion in which, for example, a fastening hole is formed along the upper edge of the horizontally elongated resin plate. The metal plate fixing portion refers to a portion in which, for example, a fastening hole is formed along the lower edge of the oblong metal plate. The fixing means includes an elongated metal plate (13) and its fastening hole (12), a fastening hole (7) formed in the horizontally elongated resin plate, a fastening hole (3) formed in the horizontally elongated metal plate, and each fastening hole. Refers to the inserted fixing bolt (B) and tightening nut (N). With such a configuration, for example, the gripped metal plate of the grass-collecting plate is gripped by the claws of a heavy machine, and the boom is moved back and forth (in a direction perpendicular to the lateral direction of the grass-collecting plate) to weed the slope. At this time, since a predetermined gap is formed between the oblong metal plate and the upper end of the cut groove, the oblong elastic resin plate can be collected in the short side direction. By bending along the ridge, it is possible to easily collect grass using elastic force, and since it is an elastic resin grass collecting piece, it is possible to continuously collect grass from the embankment etc. to the pavement surface. can be done.

Second, a first oblong resin reinforcing elastic plate is superimposed between the upper end of the cut groove on the surface side of the oblong resin elastic plate and the upper edge of the oblong resin elastic plate. , the first oblong resin reinforcing elastic plate has a vertical width from the upper edge of the resin oblong elastic plate to the vicinity of the upper end of the cut groove; The reinforcing elastic plate and the resin-made oblong elastic plate are fixed by the fixing means to the metal plate fixing portion along the lower edge of the oblong metal plate with the elastic plate fixing portion along each upper edge. It is composed of the grass collecting plate described in the first aspect.

The first horizontally long reinforcing elastic plate made of resin is, for example, a horizontally long reinforcing elastic plate made of resin (8). The first laterally elongated reinforcing elastic plate made of resin and the elastic plate fixing portion of the laterally elongated resinous elastic plate refer to portions in which fastening holes (7, 9) are formed along the upper edges, respectively. The fixing means includes an elongated metal plate (13) and its fastening hole (12), a fastening hole (9) formed in the first horizontally elongated resin reinforcing elastic plate, and a fastening hole (7) formed in the horizontally elongated resin elastic plate. ), fastening holes (3) formed in the oblong metal plate, fixing bolts (B) inserted into each fastening hole, and fastening nuts (N). The vicinity of the upper end portion of the cut groove refers to a position reaching the upper end portion or a position close to the upper end portion although not reaching the upper end portion. With this configuration, the elastic force and elastic restoring force of the grass collecting plate can be further enhanced according to the condition of the grass collecting surface, the property of the weeded grass, and the like.

Thirdly, a second horizontally elongated resin reinforcing elastic plate is superimposed between the lower edge and the upper edge of the first horizontally elongated resin reinforcing elastic plate on the surface side to provide the second horizontally elongated resin reinforcing elastic plate. The plate has a lower edge that is shorter than the lower edge of the first horizontally elongated resin reinforcing elastic plate, and the first and second horizontally elongated resin reinforcing elastic plates and the horizontally elongated resin elastic plate are connected to each other. The grass collecting plate according to the second aspect, wherein the elastic plate fixing portion along each upper edge is fixed to the metal plate fixing portion along the lower edge of the oblong metal plate by the fixing means. Consists of

The second horizontally long reinforcing elastic plate made of resin is, for example, a horizontally long reinforcing elastic plate made of resin (10). The first and second horizontally elongated reinforcing elastic plates made of resin and the elastic plate fixing portions of the horizontally elongated resinous elastic plates refer to portions in which fastening holes (7, 9, 11) are formed along the upper edges, respectively. The fixing means includes an elongated metal plate (13) and its fastening hole (12), a fastening hole (9) formed in the first horizontally elongated resin reinforcing elastic plate, and a fastening hole (9) formed in the second horizontally elongated resin reinforcing elastic plate. Fastening holes (11), fastening holes (7) formed in the oblong resin plate, fastening holes (3) formed in the oblong metal plate, fixing bolts (B) inserted into each fastening hole, and fastening refers to the nut (N) of With this configuration, the elastic force and elastic restoring force of the grass collecting plate can be further strengthened or adjusted according to the condition of the grass collecting surface, the properties of the weeds, and the like.

Fourthly, the fixing means includes an elongated metal plate superimposed on the outermost elastic plate fixing portion, and a plurality of fasteners formed to penetrate between the elongated metal plate and the oblong metal plate. A plurality of bolts inserted into the respective fastening holes, and a plurality of nuts screwed onto the bolts protruding toward the elongated metal plate side or the laterally elongated metal plate side. 3. The grass collecting plate according to any one of 3 above.

With this configuration, the horizontally long elastic resin plate or the like can be sandwiched and fixed between the elongated metal plate and the horizontally long metal plate, and the horizontally long resin elastic plate or the like can be firmly fixed to the horizontally long metal plate. .

Fifth, on the back side of the oblong metal plate, the oblong resin elastic plate is arranged in a symmetrical shape centering on the oblong metal plate, and along the upper edge of the oblong resin plate on the front and back. Elastic plate fixing portions are formed respectively, and the resin-made oblong elastic plates on the front and back of the oblong metal plate are fixed to the metal plate fixing portion of the oblong metal plate by the fixing means using the elastic plate fixing portions. It is composed of the grass collecting plate described in the first aspect.

The front and back elastic plate fixing portions are, for example, a portion along the fastening hole of the oblong resin elastic plate on the front side and a portion along the fastening hole of the oblong resin elastic plate on the back side. With this configuration, the elastic force and elastic restoring force of the grass collecting plate can be further strengthened or adjusted according to the condition of the grass collecting surface, the properties of the weeds, and the like. In addition, since it is possible to arrange the oblong elastic resin plate on the front and back of the oblong metal plate, for example, when the grass collecting plate is gripped by the claws of a heavy machine, the boom can be moved forward or backward. , the operability can be improved by equalizing the operability of the grass collecting plate.

Sixthly, on the back side of the oblong metal plate, the oblong resin elastic plate and the first oblong resin reinforcing elastic plate are arranged in a symmetrical shape centering on the oblong metal plate. Elastic plate fixing portions are formed along the upper edges of the first horizontally elongated resin reinforcing elastic plates, and the horizontally elongated resin elastic plates on the front and back of the horizontally elongated metal plate and the first horizontally elongated resin reinforcing elastic plates are connected to the above The grass collecting plate according to the second aspect is fixed to the metal plate fixing portion of the oblong metal plate by the fixing means through the elastic plate fixing portion.

The elastic plate fixing portions along the upper edge of the first oblong resin reinforcing elastic plate on the front and back are, for example, a portion along the fastening hole of the first oblong resin reinforcing elastic plate on the front side, and a portion along the fastening hole of the first oblong resin reinforcing elastic plate on the front side. The part along the fastening hole of the horizontally long reinforcing elastic plate made of resin. With this configuration, the elastic force and elastic restoring force of the grass collecting plate can be further strengthened or adjusted according to the condition of the grass collecting surface, the properties of the weeds, and the like. Similarly, the oblong resin elastic plate and the first oblong resin reinforcing elastic plate can be arranged on the front and back of the oblong metal plate. The operability can be improved by making the operation feeling of the grass collecting plate the same when it is moved and when it is moved to the rear side.

Seventh, on the back side of the oblong metal plate, the oblong resin elastic plate and the first and second oblong resin reinforcing elastic plates are arranged in a symmetrical shape centering on the oblong metal plate, and Elastic plate fixing portions are formed along the upper edges of the second oblong resin reinforcing elastic plates on the front and back, respectively, and the oblong resin elastic plates on the front and back of the oblong metal plate and the first and second resin reinforcement plates are formed. The grass collecting plate according to the third aspect, wherein the oblong reinforcing elastic plate is fixed to the metal plate fixing portion of the oblong metal plate by the fixing means through the elastic plate fixing portion.

The elastic plate fixing portions along the upper edges of the second oblong resin reinforcing elastic plates on the front and back sides are, for example, the portions along the fastening holes of the second oblong resin reinforcing elastic plates on the front side and the second oblong reinforcing elastic plates on the back side. The part along the fastening hole of the horizontally elongated resin reinforcing elastic plate. With this configuration, the elastic force and elastic restoring force of the grass collecting plate can be further strengthened or adjusted according to the condition of the grass collecting surface, the properties of the weeds, and the like. Similarly, the oblong resin plate and the first and second oblong resin reinforcing elastic plates can be arranged on the front and back of the oblong metal plate. It is possible to improve the operability by making the operation feeling of the grass collecting plate the same in the case of moving it forward and in the case of moving it backward.

Eighth, the fixing means is formed so as to penetrate between a pair of elongated metal plates superimposed on the outermost elastic plate fixing portion on both front and back sides, and between the front and back elongated metal plates centering on the laterally elongated metal plate. a plurality of fastening holes, a plurality of bolts inserted into each of the fastening holes, and a plurality of nuts screwed onto the bolts projecting toward the elongated metal plate. The grass collecting plate according to any one of .

The outermost elastic plate fixing portion refers to the outermost (front side and back side) elastic plate fixing portion among the elastic plates superimposed on the oblong metal plate. With this configuration, the horizontally elongated resin plate or the like can be sandwiched and fixed between the elongated metal plates on the front and back sides, so that the horizontally elongated resin plate or the like can be firmly fixed to the horizontally elongated metal plate. can be done.

Ninthly, a plurality of short metal rods are vertically fixed to the outer surface of the elongated metal plate with a predetermined left-right spacing, and the lower half of the plurality of short metal rods is below the elongated metal plate. The grass collecting plate according to the above 4th or 8th, which constitutes the comb blade by extending to the above.

With this configuration, the collected grass can be aligned to some extent by the action of the comb blade, and for example, the work of loading the collected grass onto a truck can be efficiently performed.

In the present invention, for example, a metal plate or the like to be grasped of a grass collecting plate is grasped by the claws of a heavy machine, and a boom is moved back and forth (in a direction perpendicular to the horizontal direction of the grass collecting plate), thereby weeding a slope or the like. At this time, by bending the horizontally elongated elastic plate made of resin, it is possible to easily collect the grass by utilizing the elastic force, and the elastic resin made grass can be collected. Since it is a piece, it is possible to continuously collect grass from the embankment or the like to the pavement surface without damaging the pavement surface, concrete blocks, or the like.

In addition, by stacking the first and/or the second horizontally long reinforcing elastic plate made of resin on the horizontally long resin plate, the elastic force of the grass collecting plate can be adjusted according to the condition of the surface to be collected, the properties of the weeds, etc. and the elastic restoring force can be adjusted.

Further, a horizontally elongated resin plate or the like can be sandwiched and fixed between the elongated metal plate and the horizontally elongated metal plate, and the horizontally elongated resin plate or the like can be firmly fixed to the horizontally elongated metal plate.

In addition, since the oblong resin plate can be arranged symmetrically on the front and back of the oblong metal plate, the elastic force and elastic restoring force of the grass collecting plate can be adjusted according to the condition of the surface to be collected, the properties of the weeds, etc. can be enhanced or adjusted.

In addition, by symmetrically arranging the horizontally long elastic resin plates on the front and back of the horizontally long metal plate, for example, when the grass collecting plate is gripped by the claws of a heavy machine, the boom can be moved forward or backward. , the operability can be improved by equalizing the operability of the grass collecting plate.

In addition, it is possible to sandwich and fix a horizontally elongated resin plate or the like between the front and back elongated metal plates, and to firmly fix the horizontally elongated resin plate or the like to the horizontally elongated metal plate.

In addition, due to the action of the comb blades, the collected grass can be aligned to some extent, and for example, the work of loading the collected grass onto a truck can be efficiently performed.

1 is a front view of a grass collecting plate according to the present invention; FIG. Fig. 10 is a front view of a metal plate to be gripped of the same grass collecting plate; FIG. 2 is a front view of each part of the same grass collecting board, (a) is a horizontally long metal plate, (b) is an elongated metal plate, (c) is a horizontally long resin elastic plate, (d) is a horizontally long reinforcing elastic resin plate, (e) is a laterally long reinforcing elastic plate made of resin. FIG. 11 is a side view of the same grass plate, showing how it is gripped by the claws of the boom. It is a perspective view of a grass board same as the above (it shows the state suspended by the crane). FIG. 10 is a diagram showing how grass is collected by a heavy machine using the same grass collecting board. FIG. 10 is a diagram showing how grass is collected using the same grass collecting board, where (a) is a side view showing a grass collecting place, (b) is a plan view of (a), and (c) is a plan view of (b). FIG. 12D is a diagram showing the state of grass collection in FIG. 12B, and FIG. FIG. 10 is a diagram showing how grass is collected using a conventional grass collecting plate, where (a) is a side view showing a grass collecting place, (b) is a plan view of (a), and (c) is a side view of (a). The figure shows the state of grass collection, and (d) is a diagram showing the state of grass collection in the plan view of (b). It is a figure which shows the state of grass collection using the conventional grass-collecting board, (a), (b), (c) is a figure each showing the state of conventional grass collection.

Hereinafter, the grass collecting plate 1 according to the present invention will be described in detail. First, the configuration of the surface side of the grass collecting plate 1 will be described.

As shown in FIGS. 1 and 3(a), first, a horizontally elongated metal plate 2 is provided as a substrate. 18 places are formed through. The front surface of the oblong metal plate 2 is denoted by 2b, and the rear surface thereof by 2c. Left and right right-angled corners of the upper portion are cut off for weight reduction or the like to form cut-off portions 2d, 2d. This oblong metal plate 2 is, for example, an iron plate with a width of 1800 mm, a length of 250 mm and a thickness of 6 mm to 10 mm. Also, the portions (front and back) along the lower edge 2a where the fastening holes 3 are formed are referred to as metal plate fixing portions.

In FIG. 1, the front surface 2b side of the oblong metal plate 2 is defined as "front side", and the back surface 2c of the oblong metal plate 2 is defined as "back side". In addition, left and right are defined as "horizontal direction", and up and down are defined as "vertical direction". Moreover, the front surface 2b side of the oblong metal plate 2 is also called "front", and the back surface 2c side is also called "rear". Further, as shown in FIG. 4, the grass collecting plate 1 of the present invention has a front-back symmetrical structure (front-rear symmetrical structure) on the front side and the back side centering on the oblong metal plate 2. Based on this assumption, the front side of the oblong metal plate 2 will be described first (see FIG. 5).

A horizontally elongated resin plate 4 is superimposed on the lower edge 2a (fixed portion of the metal plate) on the surface 2b side of the horizontally elongated metal plate 2 so that the fastening holes 3 and 7 are aligned (see FIGS. 1 and 3(c). )reference). A plurality of cut grooves 5 are formed along the lower edge of the horizontally elongated resin plate 4, so that a plurality of grass collecting pieces 6 having a predetermined width t (the width on both sides is t/2) are formed on the lower edge. They are formed adjacent to each other, and as shown in FIG. 3(c), 18 fastening holes 7 for bolts and nuts are formed through the upper edge 4a in the horizontal direction. The synthetic resin oblong elastic plate 4 is a rubber plate having a width of 1800 mm, a length of 200 mm and a thickness of 5 mm, and has elasticity to bend in the direction of arrow A (direction of arrow B) in FIG. 4 (that is, the direction along the short side). It is. The area along the upper edge 4a where the fastening holes 7 are formed is called an elastic plate fixing portion.

In this embodiment, the same horizontally long synthetic resin elastic plate 4 is stacked on the surface 4b side of the horizontally long elastic plate 4 made of resin. That is, two synthetic resin oblong elastic plates 4 are stacked and used (see FIGS. 4 and 5). In this case, the positions of the fastening holes 7 are aligned front to back with respect to the two synthetic resin oblong elastic plates 4, 4, and are also aligned front to back with the fastening holes 3 of the oblong metal plate 2, respectively.

Further, when the fastening holes 3 of the oblong metal plate 2 and the fastening holes 7 of the oblong elastic resin plate 4 are aligned, the lower edge 2a of the oblong metal plate 2 and the upper end 5a of the cut groove 5 are aligned. is configured to form a predetermined interval T (see FIG. 1). This is to secure the interval T on the plate surface for the resin laterally elongated elastic plate 4 to elastically bend in the direction of arrow A (or the direction of arrow B) and return by elastic repulsive force (Fig. 4). reference).

The reason why the two horizontally long resin elastic plates 4, 4 are stacked is to adjust the elastic force. This is to obtain a repulsive force (see FIG. 4).

Next, the fastening hole 7 and the fastening hole 9 are aligned with the surface 4b of the horizontally elongated resin plate 4, and a horizontally elongated resin reinforcing elastic plate (first horizontally elongated resin reinforcing elastic plate) 8 (Fig. 3(d)) is formed. ) are superimposed (see FIGS. 1 and 4). The resin-made horizontally long reinforcing elastic plate 8 is a horizontally long rectangular elastic plate, and as shown in FIG. In some places, it is formed through. The area along the upper edge 8a where the fastening holes 9 are formed is called an elastic plate fixing portion. The horizontally elongated resin reinforcing elastic plate 8 is, for example, a rubber plate having a width of 1800 mm, a length of 150 mm, and a thickness of 5 mm. , and the upper edge 5a of the cut groove 5 of the resin-made oblong elastic plate 4. As shown in FIG. Although the lower edge 8b of the resin-made oblong reinforcing elastic plate 8 reaches the upper edge 5a of the cut groove 5, the lower edge 8b does not reach the upper edge 5a and reaches the upper edge 5a. It may be located at a close position (near the upper edge 5a).

The reason why the horizontally elongated resin reinforcing elastic plate 8 is placed on the upper surface 4b of the horizontally elongated resin plate 4 is to strengthen and adjust the elastic force of the horizontally elongated resin plate 4. As shown in FIG.

Further, a horizontally long resin reinforcing elastic plate (second horizontally long resin reinforcing elastic plate) 10 (second horizontally long resin reinforcing elastic plate) 10 (Fig. 3(e)) is formed by aligning the fastening holes 9 and 11 with the surface 8c of the horizontally long resin reinforcing elastic plate 8. ) are superimposed (see FIGS. 1 and 4). The horizontally long reinforcing elastic plate 10 made of resin is a horizontally long rectangular elastic plate, and as shown in FIG. It is formed through in some places. The area along the upper edge 10a where the fastening holes 11 are formed is called an elastic plate fixing portion. The horizontally elongated resin reinforcing elastic plate 10 is, for example, a rubber plate having a width of 1800 mm, a length of 100 mm, and a thickness of 5 mm. is located above the upper edge 5a of the cut groove 5 of the resin laterally elongated elastic plate 4. As shown in FIG.

The oblong resin reinforcing elastic plate 10 is superimposed on the surface 8c of the oblong resin reinforcing elastic plate 8 to strengthen and adjust the elastic force of the oblong resin elastic plate 4 in the direction of arrow A (or the direction of arrow B). It is for

That is, on the surface 4b of the resin-made horizontally long elastic plates 4, 4 (two-layered), a resin-made horizontally long reinforcing elastic plate 8 having a length up to the upper edge 5a of the cut groove 5 is superimposed. By overlapping the horizontally long reinforcing elastic resin plate 10 that is shorter than the horizontally long reinforcing elastic plate 8 on the surface 8c of the horizontally long reinforcing elastic plate 8, the elastic plate fixing portion side (fastening hole 7 side) of the bolt and nut is elastic. The thicknesses of the plates 4, 8, 10 overlap (5 mm x 4 = 20 mm). , the thickness of the elastic plate 4 is reduced to 20 mm, 15 mm, and 10 mm toward the tip. In addition to strengthening the elastic force and elastic return force in the direction of arrow B, it is configured so that it does not easily bend in the direction of arrow A. It is configured to elastically return in the arrow A direction.

Further, an elongated metal plate 13 (see FIG. 3(b)) as a fixing means is overlaid on the surface 10c of the resin-made oblong reinforcing elastic plate 10 so that the fastening holes 11 and 12 are aligned (see FIG. 1). This elongated metal plate 13 is, as shown in FIG. In some places, it is formed through. Then, it is superimposed on the surface 10c of the horizontally elongated resin reinforcing elastic plate 10 so that the fastening holes 11 and the fastening holes 12 of the horizontally elongated resin reinforcing elastic plate 10 are aligned.

The upper edge 13a of the elongated metal plate 13 is at the same position as the upper edge 4a of the horizontally elongated resin elastic plate 4, but the lower edge 13b is higher than the lower edge 10b of the horizontally elongated resin reinforcing elastic plate 10. positioned.

As described above, two horizontally long resin elastic plates 4, a horizontally long reinforcing resin plate 8, and a horizontally long reinforcing elastic resin plate 10 are superimposed on the surface 2b of the horizontally long metal plate 2. Although overlapping (the fastening holes 3, 7, 9, 11, and 12 are aligned in the front-rear direction), on the back surface 2c side of the oblong metal plate 2, as shown in FIG. Then, two resin elastic plates 4 are superimposed on the rear surface 2c of the oblong metal plate 2, and the oblong resin reinforcing elastic plate 8 is superimposed on the front surface 4b of the resin elastic plate 4 so as to be front-back symmetrical (front and back symmetry). , a horizontally long reinforcing elastic resin plate 10 is superimposed on the surface 8c of the horizontally long reinforcing elastic resin plate 8, and an elongated metal plate 13 is superimposed on the surface 10c of the horizontally long reinforcing elastic plate 10 (each fastening hole 3, 7, The positions of 9, 11, 12 are aligned front to back).

Then, bolts B (18 bolts) are inserted from the surface 13c of the elongated metal plate 13 on the front side into the fastening holes 3, 7, 9, 10, 12 (18 places each) that are aligned in the front and rear directions. By making the end of each bolt B protrude on the surface 13c side of each fastening hole 12 of the side elongated metal plate 13, and fastening nuts N (18 pieces) to the end of each bolt B, the front side elongated metal plate Between the plate 13 and the elongated metal plate 13 on the rear side, the horizontally elongated resin plate 4 (two-ply) and the horizontally elongated resin reinforcing elastic plates 8 and 10 are placed on the front side with the horizontally elongated metal plate 2 as the center, and on the rear side. Then, the horizontally elongated elastic resin plate 4 (two-layered) and the horizontally elongated resin reinforcing elastic plates 8 and 10 are strongly sandwiched and fixed from the front and rear (see FIG. 4).

Since the structure is symmetrical about the oblong metal plate 2, the oblong resin plate 4, the oblong resin reinforcing elastic plates 8 and 10, and the elongated metal plate 13 are arranged on the rear surface 2c side of the oblong metal plate 2. The rear sides are called respective surfaces 4b, 8c, 10c.

Between the upper edge 13a of the oblong metal plate 13 and the upper edge 2e of the oblong metal plate 2 on the surface 2b of the oblong metal plate 2, a ridge 18 is fixed over the entire lateral direction by welding. This ridge 18 is an L-shaped angle bent at a right angle, and its both ends are welded and fixed to the surface 2b of the oblong metal plate 2 to form a ridge with a right-angled triangular cross section ( See Figure 4). The ridge 18 is made of an iron plate having an L-shaped cross section with a side length of 50 mm, a thickness of 3 mm to 6 mm, and a width of 1800 mm, for example.

The ridges 18 are welded and fixed to the rear surface 2c side of the oblong metal plate 2 as well as to the front surface 2b and to the back surface 2c side (see FIG. 4). This is for making the grass collecting plate 1 easier to grip.

A metal plate to be grasped 16 (for example, an iron plate having a width of 500 mm, a length of 600 mm, and a thickness of 16 mm) is fixed by welding to the central portion of the upper end 2e of the oblong metal plate 2 (see FIG. 2). A plate surface (surface side) 16a of 16 is provided with ridges 17, 17 in two stages in the horizontal direction. The ridges 17, 17 are similar to the ridge 18, and as shown in FIG. Fixed. These ridges 17, 17 are made of iron plates having a L-shaped cross section with a side length of 50 mm, a thickness of 3 mm to 6 mm, and a width of 500 mm. 19 is a hole for suspension (see FIG. 5).

On the surface 13c side of the elongated metal plate 13, a plurality of short metal rods 21 are welded and fixed in the vertical direction at predetermined intervals in the left-right direction, thereby forming combs of 36 short metal rods 21 (36 pieces). A blade 21' is formed (see FIGS. 1, 4 and 5). This single short metal rod 21 is made of, for example, a reinforcing bar with a diameter of 16 mm and a length of 80 mm. Upper halves of these short metal rods 21 are welded to the surface 13c of the elongated metal plate 13, lower halves extend downward from the lower edge 13b of the elongated metal plate 13, and the plurality of lower The halves form comb blades 21' (see FIG. 5).

These short metal rods 21, as shown in FIG. At that time, it has the function of aligning the cut grass in the direction of the short metal rod 21 (comb blade 21').

The short metal rods 21 (comb blades 21') are also arranged symmetrically in the front-rear direction with the oblong metal plate 2 as the center. (21, 36 short metal rods) are fixed by welding (see FIG. 4).

(Description of other embodiments)
In the above-described embodiment, the horizontally long resin elastic plates 4 (for example, two stacked), the horizontally long reinforcing elastic resin plates 8, and the horizontally long reinforcing elastic resin plates are arranged symmetrically in the front-rear direction (front and back direction) around the horizontally long metal plate 2. 10. The configuration in which each of the elongated metal plates 13 is provided and all of these plates are fastened with bolts B and nuts N has been described (see FIG. 4, this is called the first embodiment (corresponding to the seventh invention). ), symmetrically in the front-rear direction (front and back direction) with the oblong metal plate 2 as the center, only the oblong resin plate 4 (one, two or more) is provided, and the surface (elasticity) of the oblong resin plate 4 is provided. With the oblong metal plate 2 at the center, between the oblong metal plates 13 and the oblong metal plates 13 on the front and back sides, the oblong elastic resin plate 4 on the front side and the oblong elastic plate 4 on the rear side are placed. of the elongated metal plate 13 and fixed with the bolt B and the nut N (this is the second embodiment (the fifth invention). ), and only the horizontally long resin elastic plate 4 (one, two, or more) and the horizontally long reinforcing elastic resin plate 8 are provided symmetrically in the front-rear direction (front and back direction) with the horizontally long metal plate 2 as the center. , an elongated metal plate 13 is placed on the surface (elastic plate fixing portion) of the resin-made horizontally long reinforcing elastic plate 8 , and between the above-mentioned elongated metal plates 13 and the above-mentioned elongated metal plates 13 , centered on the horizontally long metal plate 2 , a front side The horizontally elongated resin plate 4 and the horizontally elongated resin reinforcing elastic plate 8 on the rear side, and the horizontally elongated resin plate 4 and the horizontally elongated resin reinforcing elastic plate 8 on the rear side are sandwiched between the elongated metal plates 13 and the elongated metal plates 13. A configuration in which the space is fixed by the bolt B and the nut N (this is referred to as a third embodiment (corresponding to the sixth invention)) may be employed.

In the first to third embodiments, the configurations of the ridges 17 and 18, the gripped metal plate 16, the short metal rod 21, and the comb blade 21' are the same as those of the embodiment shown in FIG. Further, in the first to third embodiments, the bolt B may be inserted from the direction of the elongated metal plate 13 on the front side, or may be inserted from the direction of the elongated metal plate 13 on the back side. Also good.

In addition, only one, two, or a plurality of horizontally long resin elastic plates 4 are provided on the front side (front side) of the horizontally long metal plate 2, and the surface of the horizontally long resin plate 4 (elastic plate fixing portion) is elongated. A metal plate 13 is provided, and no elastic plate is provided on the back side of the oblong metal plate 2, and the elongated metal plate 13 and the oblong metal plate 2 are fastened with the bolts B and nuts N. You can In this case, the configurations of the ridges 17 and 18, the gripped metal plate 16, the short metal rod 21, and the comb blade 21' are the same as those of the embodiment shown in FIG. (corresponding to the first invention)).

Further, on the front side (front side) of the oblong metal plate 2, only the oblong resin elastic plate 4 (one sheet, two sheets, or a plurality of sheets) and the oblong resin reinforcing elastic plate 8 are provided. An elongated metal plate 13 is provided on the surface (elastic plate fixing portion), and no elastic plate is provided on the back side of the horizontally elongated metal plate 2. A nut N may be used for fastening. In this case, the configurations of the ridges 17 and 18, the gripped metal plate 16, the short metal rod 21, and the comb blade 21' are the same as in the embodiment of FIG. (corresponding to the second invention)).

Further, on the front side (front side) of the oblong metal plate 2, a horizontally elongated resin elastic plate 4 (one sheet, two sheets, or a plurality of sheets), a horizontally elongated resin reinforcing elastic plate 8, and a horizontally elongated resin reinforcing elastic plate 10 are provided. An elongated metal plate 13 is provided on the surface (elastic plate fixing portion) of the horizontally elongated reinforcing elastic plate 10, and no elastic plate is provided on the back side of the horizontally elongated metal plate 2. The bolt B and the nut N may be used to fasten the space between . In this case, the configurations of the ridges 17 and 18, the gripped metal plate 16, the short metal rod 21, and the comb blade 21' are the same as those of the embodiment shown in FIG. (corresponding to the third invention)). Further, in the fourth to sixth embodiments, the bolt B may be inserted from the direction of the elongated metal plate 13 or from the direction of the oblong metal plate 2 . If the bolt B is inserted in a different direction, the nut N is fastened on the oblong metal plate 2 side or the elongated metal plate 13 side.

Whether or not the horizontally elongated resin reinforcing elastic plate 8 or 10 is provided, or whether the horizontally elongated resin elastic plate 4 and the horizontally elongated resin reinforcing elastic plate 8 or 10 are provided only on the front side (front side) of the horizontally elongated metal plate 2 Whether the horizontally elongated resin plate 4 and the horizontally elongated resin reinforcing elastic plate 8 or 10 are provided symmetrically in front and back (front and back) with the horizontally long metal plate 2 as the center depends on the state of the grass to be collected ( Properties), whether the surface to be collected is paved or soil, etc., and the degree of elastic strength of the entire grass collecting plate to be set is arbitrary.

In the case of the present invention, when the grass to be collected is finely weeded with a hammer knife, the elastic strength does not need to be high. It is also possible to provide a horizontally elongated resin plate 4 or the like only on the front side (front side) of the plate 2, or when the grass to be collected is manually weeded and there are many relatively long grasses, the grass collection plate 1 Since the elastic strength should be high, it is preferable to provide the laterally elongated resin bodies 4 and the like in front and behind the laterally elongated metal plate 2 as in the first to third embodiments, for example.

In addition, when the surface to collect grass is a paved surface, for example, it is possible even if the elastic strength is relatively low. , the higher the elastic strength, the easier the work, so the first to third embodiments may be used.

Whether or not to provide the horizontally elongated resin reinforcing elastic plates 8 or 10 is also optional, and can be determined according to the conditions of the work surface, the properties of the weeds, and the like. Further, it is optional whether or not the short metal rods 21 (comb blades 21') are provided on the elongated metal plate 13, and the short metal rods 21 (comb blades 21') may not be provided.

When the horizontally long resin plate 4 or the like is provided only on the front side or the rear side of the horizontally long metal plate 2, the boom 15 is moved in the direction of arrow C to collect grass, and the boom 15 is moved in the direction of arrow D to collect grass. It is conceivable that the elasticity and elastic restoring force of the grass-collecting plate 1 are slightly different in the case of collecting grass.

On the other hand, when the horizontally long resin plate 4 and the like are provided in a symmetrical structure in front and behind the horizontally long metal plate 2, the boom 15 is moved in the direction of arrow C to collect grass, and the boom 15 is moved in the direction of arrow D. Since the elasticity and elastic restoring force of the grass collecting plate 1 are substantially the same as in the case of collecting grass by pressing the grass collecting plate 1, the feeling of operation is the same, and good operability can be obtained. It should be noted that one, two, or a plurality of resin-made horizontally long elastic plates 4 can be provided depending on the property of grass to be collected.

In addition, by gradually shortening the lower edge of the overlapping reinforcing elastic plates by the horizontally elongated resin reinforcing elastic plate 8 and the horizontally elongated resin reinforcing elastic plate 10, the elasticity and elastic restoring force of the grass collecting plate can be adjusted. can. In addition, an example is shown in which the bolt B is inserted through the fastening hole from the front side of the grass collecting plate 1 and the nut N is fastened from the rear side. The structure which fastens the nut N may be sufficient.

4 and 5, two horizontally long resin elastic plates 4, a horizontally long reinforcing resin plate 8, and a horizontally long reinforcing elastic resin plate 10 are arranged around a horizontally long metal plate 2. A comb-shaped short metal rod 21 is fixed to the surface of the elongated metal plate 13, and the metal plate 2 is arranged symmetrically in the front and rear directions (Figs. 1, 4, and 5). , as shown in FIG. 6) will be described.

First, as shown in FIG. 7, a case will be described in which weeds on a slope 26 (bank) facing a private house 25 are removed manually or with a hammer knife, and then collected using the grass collecting plate 1 according to the present invention. do. It is assumed that the grass collecting plate 1 is gripped by the claws 20 at the tip of the boom 15 of the heavy equipment 14 (see FIG. 6). Specifically, for example, as shown in FIG. 6, the lower surfaces of the ridges 18, 18 provided on the front and rear sides of the oblong metal plate 2 of the grass collecting plate 1 are gripped from the front and back by the pair of claws 20. , the claws 20 grip the grass collecting plate 1 . The place to be gripped by the claws 20 may be the portion of the ridge 17 of the metal plate 16 to be gripped.

Next, as shown in FIG. 6, the heavy machine 14 is stopped on the paved road 27, the boom 15 is extended toward the slope 26, and the claw 20 is moved from the direction of the arrow C to the direction of the arrow D to remove weeds. Move it onto the paved road 27 .

At this time, the movement of the boom 15 is in the direction of arrow D in FIG. As a result, grass can be collected on the paved road 27 (see FIG. 7(c) grass 28a').

When the boom 15 is moved in the direction of the arrow D, it moves in the direction of the arrow D while the grass collecting piece 6 of the resin laterally elongated elastic plate 4 is in contact with the slope 26. , with the horizontally long metal plate 2 as the center, the front and rear horizontally long resin elastic plates 4, 4 are reinforced by the front and rear horizontally long resin reinforcing elastic plates 8, 8 and the horizontally long resin reinforcing elastic plates 10, 10. Thus, while elastically deforming in the direction of the arrow A, the grass can be efficiently collected within the lateral width range of the resin laterally elongated elastic plate 4 . In the final stage of grass collection, the boom 15 is lifted upward to separate the grass collection plate 1 from the paved road 27. With the elastic restoring force of , the horizontally elongated resin plate 4 and the horizontally elongated resin reinforcing elastic plates 8 and 10 can be elastically restored from the curved state in the direction of the arrow A to the straight state. In this way, the grass collecting plate 1 (horizontally elongated elastic plate 4, resin-made horizontally reinforced elastic plates 8 and 10) is elastically bent and restored to a straight state by an elastic restoring force. Weeds can be collected effectively.

In addition, in the grass collecting plate 1 of the present invention, the horizontally elongated resin plate 4 and the horizontally elongated resin reinforcing elastic plates 8 and 10 are made of resin. Even on a paved surface, the grass collecting plate 1 can be continuously moved from the slope 26 to the paved surface 27a in the direction of the arrow D, and the grass collecting work can be performed very efficiently. Moreover, since the grass collecting plate 1 is made of rubber and a plurality of grass collecting pieces 6 made of rubber are formed, even if the plurality of grass collecting pieces 6 and the paved surface 27a come into contact with each other on the paved surface 27a, the paved surface 27a does not move. 27a has the effect of not being damaged.

Moreover, since a plurality of cut grooves 5 are formed in the lower edge of the resin laterally long elastic plate 4 and a plurality of grass collecting pieces 6 are formed, the weeds can be pushed along the cut grooves 5. It is possible to align the grass to some extent, and there is an effect that the collected grass can be easily collected.

Furthermore, the grass collecting plate 1 of the present invention has a plurality of short metal rods 21 on the elongated metal plate 13, and the lower halves of these short metal rods 21 protrude downward from the elongated metal plate 13, and the entirety of the grass collector plate 1 is formed. Therefore, while the grass collecting plate 1 is moving in the direction of the arrow D, the grass is aligned to some extent by the comb blades 21', and the grass is collected on the pavement surface 27a ( When the weeds 28a') are cut, the directionality of the weeds can be matched to some extent, and when the weeds are finally loaded onto a truck or the like, there is an effect that they are easily collected.

As shown in FIG. 7(c), after collecting grass 28a' on the pavement surface 27a, as shown in FIG. 28b' (see FIGS. 7A and 7B) or grass 28c' (see FIG. 7D).

After that, the truck is driven onto the paved road 27 and the grass 29b' or the grass 28c' is loaded onto the truck. In this case, since the grass exists on the paved road 27, the truck can be brought close to the position close to the grass, and the grass can be efficiently loaded onto the truck.

Even if the slope surface 26 is reinforced with blocks or the like, the grass collecting plate 1 according to the present invention can be used without any problem because the blocks or the like are not damaged. That is, since the grass collecting plate 1 is made of rubber and a plurality of grass collecting pieces 6 made of rubber are formed, even if the plurality of grass collecting pieces 6 and the block come into contact with each other on the block surface, the block surface is not damaged. It has the effect of not sticking.

(Actions of other embodiments)
Whether or not to use the resin-made horizontally long reinforcing elastic plates 8 and 10 can be arbitrarily selected depending on the properties of the weeded grass, etc. The same effect as described above can also be achieved by providing the horizontally elongated resin elastic plate 4 (and/or the horizontally elongated resin reinforcing elastic plates 8, 10) on the outer surface. That is, since at least the resin-made oblong elastic plate 4 is used, grass can be collected continuously from the slope 26 to the paved road 27, and the paved surface 27a and the blocked slope are not damaged. It can be used for grass collection work without any problems.

According to the grass collecting plate for heavy machinery according to the present invention, as described above, for example, the gripped metal plate 16 or the like of the grass collecting plate 1 is gripped by the claws 20 of the heavy machinery 14, and the boom 15 is moved back and forth (grass collection). By moving the plate 1 in a direction orthogonal to the left-right direction, it is possible to easily collect grass that has been weeded on the slope surface, etc. At this time, the bending of the resin laterally long elastic plate 4 etc. makes it elastic. The grass can be easily collected by using force, and since the grass collection piece 6 is made of elastic resin, it is possible to continuously collect grass from the embankment or the like to the pavement surface, the pavement surface, the concrete block. etc. will not be damaged.

By stacking the first or second horizontally long resin reinforcing elastic plates 8 and 10 on the resin horizontally long elastic plate 4, the grass collecting plate 1 can be adjusted according to the condition of the surface to be collected, the properties of the weeds, and the like. can adjust the elastic force and elastic return force.

Further, the horizontally long elastic resin plate 4 or the like can be sandwiched and fixed between the elongated metal plate 13 and the horizontally long metal plate 2, and the horizontally long resin elastic plate 4 or the like can be firmly fixed to the horizontally long metal plate 2. be able to.

In addition, since the horizontally long elastic resin plates 4 and the like can be arranged symmetrically on the front and back sides of the horizontally long metal plate 2, the elastic force of the grass collecting plate 1 can be adjusted according to the condition of the surface to be collected, the properties of the weeds, and the like. And the elastic restoring force can be strengthened or adjusted.

In addition, by symmetrically arranging the horizontally long elastic plates 4 made of resin on the front and back sides of the horizontally long metal plate 2, for example, when the grass collecting plate 1 is gripped by the claws 20 of the heavy machine 14 and the boom 15 is moved forward, The operability can be improved by making the operation feeling of the grass collecting plate 1 equal to that in the case of moving it backward.

In addition, the horizontally elongated resin plate 4 or the like can be clamped and fixed between the elongated metal plates 13 on the front and back sides of the elongated metal plate 13 , and the horizontally elongated resin plate 4 or the like can be firmly fixed to the horizontally elongated metal plate 2 . can do.

In addition, due to the action of the comb blade 21', the collected grass can be aligned to some extent, and for example, the work of loading the collected grass into a truck can be efficiently performed.

In FIG. 4, an embodiment in which two laterally elongated elastic resin plates 4 are stacked has been described, but depending on the state of the weeded grass, only one laterally elongated elastic resin plate 4 may be used, or three or more laterally elongated elastic resin plates 4 may be stacked. Also good. In addition, the elastic plate is made of resin, and the rubber plate has been described, but the concept includes both natural resin and synthetic resin as long as the plate has elasticity.

According to the grass collecting plate according to the present invention, which is used, for example, with a heavy machine or the like, it is possible to continuously collect grass from the embankment to the pavement surface without damaging the pavement surface, so it can be widely used as a grass collecting plate. It is possible.

1 grass collecting plate 2 oblong metal plate 2a lower edge 2c back surface 2e upper edge 3 fastening hole 4 resin oblong elastic plate 4a upper edge 4b surface 5 cut groove 5a upper end 6 grass collecting piece 7 fastening hole 8 oblong resin reinforcing elasticity Plate (first resin-made oblong reinforcing elastic plate)
8a Upper edge 8b Lower edge 8c Surface 9 Fastening hole 10 Horizontally long resin reinforcing elastic plate (second horizontally long resin reinforcing elastic plate)
10a Upper edge 10b Lower edge 11 Fastening hole 13 Elongated metal plate 12 Fastening hole 16 Metal plate to be gripped 18 Ridge 21 Short metal rod 21' Comb blade B Bolt N Nut T Spacing

Claims (9)

A horizontally elongated resin plate having a plurality of grass collecting pieces of a predetermined width formed adjacent to the lower edge by forming a plurality of cut grooves is provided with an elastic plate fixing portion along the upper edge, fixed by fixing means to the metal plate fixing portion along the lower edge of the oblong metal plate,
In a state in which the resin-made oblong elastic plate is fixed to the oblong metal plate, a gap between the upper end portion and the lower edge of the oblong metal plate is provided so that the upper end portion of the cut groove does not reach the lower edge of the oblong metal plate. is configured so that a predetermined interval occurs at
Between the upper edge of the resin-made horizontally long elastic plate and the upper edge of the horizontally long metal plate, a horizontal ridge is fixed to the horizontally long metal plate,
A grass collecting plate, wherein a gripped metal plate is fixed to the central portion of the upper edge of the oblong metal plate. A first horizontally long reinforcing elastic plate made of resin is superimposed between the upper end of the cut groove on the surface side of the horizontally long resin elastic plate and the upper edge of the horizontally long resin elastic plate,
The first horizontally long reinforcing elastic plate made of resin has a vertical width from the upper edge of the horizontally long resin elastic plate to the vicinity of the upper end portion of the cut groove,
The first laterally elongated resin reinforcing elastic plate and the laterally elongated resin elastic plate are connected to the metal plate fixing portion along the lower edge of the laterally long metal plate by the elastic plate fixing portion along the respective upper edges. 2. The grass collecting board according to claim 1, wherein said grass collecting board is fixed to said fixing means. A second horizontally long reinforcing elastic plate made of resin is superimposed between the lower edge and the upper edge on the surface side of the first horizontally long reinforcing elastic plate made of resin,
The second horizontally elongated resin reinforcing elastic plate has a lower edge shorter than the lower edge of the first horizontally elongated resin reinforcing elastic plate,
The first and second horizontally elongated resin reinforcing elastic plates and the horizontally elongated resin elastic plate are connected to each other by elastic plate fixing portions along the upper edges of the metal plate along the lower edge of the horizontally elongated metal plate. 3. The grass collecting plate according to claim 2, wherein said grass collecting plate is fixed to said plate fixing portion by said fixing means. The fixing means includes an elongated metal plate superimposed on the elastic plate fixing portion on the most surface side;
a plurality of fastening holes formed to penetrate between the elongated metal plate and the oblong metal plate;
4. The structure according to any one of claims 1 to 3, comprising a plurality of bolts inserted into the respective fastening holes and a plurality of nuts screwed onto the bolts projecting toward the elongated metal plate side or the laterally elongated metal plate side. The grass-collecting board described in Crab. On the back side of the oblong metal plate, the oblong resin elastic plates are arranged in a symmetrical shape centering on the oblong metal plate, and each elastic plate is fixed along the upper edge of the oblong resin plate on the front and back. part is formed,
2. The horizontally long metal plate according to claim 1, wherein said horizontally long elastic resin plates on the front and back sides of said horizontally long metal plate are fixed to said metal plate fixing portion of said horizontally long metal plate by said fixing means using said elastic plate fixing portion. Grass board. On the back side of the oblong metal plate, the oblong resin elastic plate and the first oblong resin reinforcing elastic plate are arranged symmetrically about the oblong metal plate. Each elastic plate fixing part is formed along the upper edge of the horizontally long reinforcing elastic plate,
The oblong resin elastic plate and the first oblong resin reinforcing elastic plate on the front and back of the oblong metal plate are attached to the metal plate fixing portion of the oblong metal plate by the fixing means by the elastic plate fixing portion. 3. The grass collecting board according to claim 2, which is fixed. On the back side of the oblong metal plate, the oblong resin elastic plate and the first and second oblong resin reinforcing elastic plates are arranged symmetrically about the oblong metal plate. An elastic plate fixing portion is formed along each upper edge of the horizontally elongated resin reinforcing elastic plate of 2,
The oblong resin elastic plates and the first and second oblong resin reinforcing elastic plates on the front and back sides of the oblong metal plate are fixed by the elastic plate fixing portion and the metal plate of the oblong metal plate by the fixing means. 4. The grass collecting plate according to claim 3, which is fixed to a fixing portion. The fixing means includes a pair of elongated metal plates superimposed on the outermost elastic plate fixing portion on both front and back sides;
a plurality of fastening holes formed so as to penetrate between the front and back elongated metal plates centering on the oblong metal plate;
The grass collection according to any one of claims 5 to 7, wherein the grass collection is composed of a plurality of bolts inserted into the respective fastening holes and a plurality of nuts screwed onto the bolts projecting toward the elongated metal plate. board. A plurality of short metal rods are vertically fixed to the outer surface of the elongated metal plate with a predetermined left and right interval,
9. The grass collecting plate according to claim 4 or 8, wherein the plurality of short metal rods have lower halves extending downward from the elongated metal plate to form comb blades.

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