KR20080018787A - Grass protection mat - Google Patents

Abstract

A mat for protecting lawn is provided to prevent the depression of a mat, to inhibit the sliding of a mat on ground and to suppress the sliding of people passing on a mat. A mat for protecting lawn comprises a body part(10) which is formed so as to be linked with a lawn passing space(12); rugs(20) which are formed at the lower part of the body part; and a depression preventing unit(80) which crosses the lawn passing space so as to be linked between the rugs, thereby preventing the depression of a mat at ground. Preferably the depression preventing unit comprises the integrated bars connected between the lower parts of the facing rugs or the bent bars having an internal space part.

Description

Grass protection mat {GRASS PROTECTION MAT}

1 is a plan view showing the overall configuration of a lawn protection mat according to the present invention

2 is a side view of FIG. 1

Figure 3 shows an example of the depression preventing means of the grass protection mat of the present invention,

(a) is a perspective view

(b) is a plan view of FIG. 3a

4 is a view showing a vertical protrusion member included in the depression preventing means of the present invention lawn protection mat of FIG.

(a) is a perspective view of main parts of 'A' of FIG.

(b) is a plan view of FIG. 4a

(c) is a side view of FIG. 4A

Figure 5 is a plan view showing the depression preventing means of the present invention further comprises an extended end in the grass protection mat of the present invention of Figure 3

6 illustrates a reinforcing rib connection structure of the vertical protrusion member,

(a) is a side view

(b) is a plan view of FIG. 6a

Figure 7 shows another example of the depression preventing means of the grass protection mat of the present invention,

(a) is a perspective view

(b) is a plan view of FIG. 7a

FIG. 8 is a plan view illustrating a modification example of the depression preventing means of FIG. 7; FIG.

9A and 9B show another modified example of the depression preventing means of FIG.

(a) a plan view

(b) is a plan view showing a form having a vertical protrusion member

10A and 10B illustrate a modification of FIG. 9,

(a) a plan view

(b) is a plan view showing a form having a vertical protrusion member

11A to 11I are views illustrating examples of various types of rolling prevention means provided in the sink preventing means in the lawn protection mat of the present invention.

12A to 12D illustrate examples of various types of anti-slip means provided in the vertical protruding member in the lawn protection mat of the present invention.

13 is a view showing a state in which the depression preventing means is curved upward in the lawn protection mat of the present invention of FIG.

(a) is a side view

(b) is an operating state of Figure 13a

14 is shown as an elastic portion provided in the lower portion of the bar which is the depression preventing means in the grass protection mat of the present invention,

(a) is a perspective view

(b) is an operating state diagram

Explanation of symbols on the main parts of the drawings

1 .... lawn protection mat 10 .... body part

12 .... Grass Passage 20 .... Rugs

30 .... protruding pillar 40 .... buffer wing

50 .... Outer Frame 60 .... Hook

70 .... Fastener 80,90 .... Means for preventing depression

82 .... center 84 .... extension

92 .... Connections 94 .... Rings

96 .... plate 100 .... vertical protrusion

110a to 110e .... rolling prevention means provided in the depression preventing means

120a to 120d .. Non-slip means provided in the vertical protrusion member

The present invention relates to a grass protection mat that can be used for grass protection in a golf course, grass field, park grass field, etc., or can also be used for grass growth, and more particularly, the mat is recessed from the ground after construction of the grass protection mat. The present invention relates to a grass protection mat that prevents the grass protection mat from being pushed off the ground, while further preventing the slip on the mat of the person passing through the mat.

In the grass growing areas such as golf courses, lawn fields, and lawns of parks, lawns in the main road areas where mainly aisle parts and vehicles, for example, carts in golf courses, are constantly pressed and damaged. Renovation of the turf will require significant costs.

Therefore, a grass protection mat for preventing the damage of the grass while buffering the load even if a person or vehicle passes in order to prevent the lawn damage, especially in the copper moving area in which such people or vehicles move.

Such known conventional grass protection mat is disclosed in the registration utility model No. 20-0381257 and the like filed by the applicant of the present invention.

For example, although not shown in a separate drawing, the conventional grass protection mat is largely the body portion constituting the skeleton of the mat, the lugs supported on the ground, the projection pillar supporting the load and the cushioning wings for dispersing and cushioning the load, and the mat It includes the outer frame part to keep the outer frame of the base.

In addition, the outer frame portion has hooks that enable connection construction of the mats and openings to which hooks of adjacent mats are fastened are formed at predetermined intervals on opposite sides along the outer frame portion.

Therefore, the lugs and the protruding pillars support the loads applied by the person or the vehicle passing the mat, and the shock absorbing blades distribute the loads to prevent damage to the grass that grows as a whole.

On the other hand, the registration utility model has been disclosed to prevent the depression of the mat.

For example, after a grass protection mat has been laid on the ground, the grass grows and covers the sand to protect the grass, or the mat easily sinks on the ground as the ground softens by moisture during the rainy season, or continuously the mat When a moving object such as a person or a cart passes, the mat is continuously pressed down (depressed) to sink in the ground.

However, such a depression on the ground of the grass protection mat makes it difficult to protect the grass normally and continuously, or because the mat can not normally protect the grass grown by sinking into the ground, so that the registration utility model of the present invention Applicants have proposed several types of anti-dent measures.

However, in the registration utility model, the anti-depression means proposed by the applicant of the present invention were not effective in preventing the depression.

Accordingly, the applicant of the present invention improves the structure of the conventional depression preventing means to more reliably prevent the depression of the mat, and in particular, adds the mat anti-rolling function to the depression preventing means, and in addition, the person passing on the mat slips on the mat. It has been proposed an improved lawn protection mat of the present invention which effectively prevents it.

The present invention has been proposed in order to solve the various problems as described above, and an object of the present invention is to prevent the mat from sinking in the ground after the construction of the grass protection mat, and in particular to prevent the grass protection mat from being pushed off the ground. Of course, it is additionally to provide a grass protection mat that prevents the person passing through the mat from slipping on the mat.

As one technical aspect for achieving the above object, the present invention, the grass passing space is successively formed body portion;

A lug formed below the body portion; And,

Depression prevention means connected between the lugs across the turf passing space and configured to prevent ground depression of the mat;

It provides a grass protection mat configured to include.

In addition, as another technical aspect of the present invention, the grass passing space is successively formed body portion;

A lug formed below the body portion; And,

Depression preventing means configured to prevent ground depression of the mat, including an expansion portion connected between the body portion or the lug across the grass passing space to expand the ground contact area;

It provides a grass protection mat configured to include.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

First, Figure 1 and Figure 2 shows the overall configuration of the grass protection mat 1 of the present invention, the body portion 10 in the grass protection mat of the present invention is preferably multi-faceted to improve grass growth or stickiness The body 10 is integrally connected to form a hexagonal or circular turf through space 12 to form a skeleton of the overall mat.

By the way, in the grass protection mat (1) of the present invention, the body parts 10 are connected to each other to form a grass in a hexagonal shape, which can make the grass passing space wider than a normal square mat in the case of a hexagon, By making the photosynthesis action of the grass more smooth, the growth and sticking of the grass after the mat construction is more smooth. Therefore, such a hexagonal body part 10 is most preferable, and without forming a gap between the body parts. To maintain optimum strength.

However, the hexagonal body portion in the present invention is not limited to this example only, and may be formed in other forms of square and octagonal circles as necessary.

Next, FIGS. 1 and 2 show the lugs 20 of the lawn protection mat 1 of the present invention, where the lugs 20 of the present invention are hexagonal body parts at the bottom of the body part 10. It is formed perpendicular to its vertex and enables the ground support of the mat and maintains the body part spaced from the ground at the beginning of grass growth.

In addition, the protrusion pillar 30 is also formed vertically upward on the vertex of the hexagonal body portion, such a protrusion pillar 30 receives a moving body load such as a person passing through the mat.

Next, as shown in Figures 1 and 2, the buffer wing 40, for example, the load dispersion buffer wing 40 of the lawn protection mat 1 of the present invention, the projection pillar 30 of the body portion 10 The vertically formed between), such as the buffer blades 40 of the present invention is formed so that its height is longer than the protrusion pillar 30 as shown in Figure 2 than the protrusion pillar 30 to distribute the load first It is desirable to.

That is, when a person or a golf cart or the like passes over the grass protection mat, the first contact with the buffer wings 40 having the longest height and the largest number of installations, and the buffer wings 40 are bent to press the grass. Since the load is dispersed and buffered and then supported by the protruding pillar 30, the turf is protected by the mat.

In addition, the outer frame portion 50 which maintains the outer frame of the mat extends in a quadrangular shape and is integrally formed at the outer sides of the body portions 10.

Next, as shown in Figures 1 and 2, the outer frame portion of the grass protection mat (1) of the present invention hook means 60 and hook means of the adjacent mat to enable the mat connection construction on the basis of the diagonal ( 60 is provided with a fastening opening 70 is fixedly coupled.

At this time, the hook means 60 of the present invention has a cutout not indicated by a separate code to facilitate the connection construction of the mat while being elastically fastened to the fastening opening 70.

Next, as shown in Figure 3, the grass protection mat 1 of the present invention, both ends of the grass protection space (12 when viewed from above) formed by the body portion 10, as viewed from above each other It is characterized in that it comprises other lugs, for example the depression preventing means 80 of the first embodiment, which is connected to the facing lugs 20 to prevent ground depression of the mat.

Alternatively, as shown in FIGS. 7 to 10, the lawn protection mat 1 of the present invention includes an anti-dentation end of the second embodiment including an extension part connected to the body part 10 or the lug 20. 90) is characterized by

At this time, the second depression preventing means 90 is composed of a connecting portion 92, for example, a bar and an extension part connected to the body part or the lug, and such an extension part is connected to the bar that is the connection part 92 while passing through the grass. It is configured to increase the surface contact area of the mat, including a ring 94 or plate 96 arranged in the space.

Looking at the depression prevention means 80, 90 of the first and second embodiments of the present invention in detail as follows.

First, Figs. 3A and 3B show a lawn protection mat 1 having the first depression preventing means 80 of the present invention.

That is, as shown in Figures 3a and 3b, the depression preventing means 80 of the present invention is a predetermined both ends connected between the bottom of the plurality of lugs 20 facing each other across the grass passing space 12 The bars of width are united.

As such, the depression preventing means 80 of the present invention is connected between the lugs 20 facing the grass passing space 12, so that the ground contact area is increased to more effectively prevent the ground depression of the mat. .

On the other hand, the bar is connected between the lug, the depression preventing means 80 of the present invention, one end thereof is integrally connected to the bottom of the six lugs 20 arranged at the vertex of the hexagon in accordance with the hexagonal grass passing space, Tartans of the same bar is integrally formed at the center of the grass passing space 12 to form a central portion 82.

Therefore, the bars of the sink preventing means 80 of the first embodiment of the present invention are connected to the lug at one end (actually integrally formed), and the other end is integrally integrated at the center of the grass passage space 12 into the central part. Therefore, it is a structure that is firmly connected between the lugs, and prevents the floor from sinking when the mat is installed on the ground.

On the other hand, the present invention depression prevention means 80 of Figure 1 may be suitably arranged in the body portion 10 to form a grass passing space 12 of the entire mat.

At this time, as shown by the arrow in Fig. 3a, the bar of the depression preventing means 80 of the present invention is also preferably formed to round the upper surface (80a), in this case growth through the grass passing space 12 As the stepped foot is pressed against the edge of the bar which is the sinking prevention means 80, it will prevent the lawn damage such as dragging.

In particular, as shown by another arrow in FIG. 3A, the depression preventing means 80 is integrally connected between the lower ends of the lugs facing each other across the turf passing space, which will be described in detail later in FIG. 11. It may be provided as a curved bar such as a cross-section hemispherical shape, a semi-circular shape, or a curved bar such as a triangular shape in cross section in which the inner space portion 80b provided as the anti-rolling means is formed.

On the other hand, the depression preventing means (80) of the curved or bent bar such that the inner space portion 80b while providing a function to prevent the rolling of the mat, while being pushed to some extent while increasing the depression prevention area depression It will also provide a function that effectively prevents this.

In addition, although the bar of the depression preventing means 80 in FIG. 3 is illustrated as a cross-sectional quadrangle (not a curved (or bent) bar separately indicated by an arrow), the bar may be formed by a rhombus or the like in cross-section.

Next, as shown in FIGS. 4A to 4C, in the grass protection mat 1 according to the present invention, a bar (cross section square or rhombus shape) or cross section is connected between the lugs 20 across the grass passage space 12. The central portion 82 of the integral prevention portion 80 formed of the bar of the curved or bent form may further include a vertical protruding member 100 protruding integrally vertically upward through the grass passing space. have.

At this time, as shown in Figure 4c, the vertical protruding member 100 protruding perpendicular to the center portion 82 of the depression preventing means 80 of the present invention is at least than the protruding pillar 30 disposed above the body portion It is preferable that the height is the same or a little higher. This is because, when the height is lower than the protruding pillar, the support force cannot be provided.

Therefore, as shown in Figures 4a to 4c, the vertical protrusion member 100 of the present invention further protrudes in the center of the hexagonal grass passing space 12, as shown in Figures 1 and 2, the mat load bearing force Will increase.

The vertical protruding member 100 is provided to the lawn protection mat 1 of the present invention in the same number as the depression preventing means 80 that is properly disposed in consideration of the total area of the lawn protection mat 1 as shown in FIG. 1. Can be provided.

Next, Figure 5 shows another modification of the depression preventing means 80 of the first embodiment of the present invention, the center of the bar (or curved or bent bar forming the inner space portion) of the depression preventing means 80 ( The characteristic feature is that the extension end 84 is formed integrally with the 82.

Thus, at least the expanded end 84 of the width of the central portion 82 in which the bars are integrated will increase the surface contact area to more effectively prevent the floor depression of the mat.

And, as shown in FIG. 5, the extension end 84 outside the central portion 82 in which the bodies are integrated will further strengthen the formation structure of the vertical protrusion member 100 described with reference to FIG. 4.

Next, in Figure 6a and Figure 6b is a vertical protrusion member 100 provided in the depression preventing means 80 of the present invention is connected to the reinforcing rib 102 between the body portion 10 or the protruding pillar 30 to install the mat The structure is shown to be solid.

Thus, as shown in Figure 6a, when moving a person or a vehicle, especially a golf course electric car on the mat will prevent the vertical protrusion member 100 is easily broken or biased to one side.

In particular, such a reinforcing rib 102 is preferable because it can provide a second and third depression prevention function to prevent the depression of the mat on the line of the body portion or on the line of the protruding pillar when the mat is heavily recessed.

Next, Figs. 7 to 10 show the depression preventing means 90 of the second embodiment of the lawn protection mat 1 of the present invention.

That is, as shown in Figures 7a and 7b, the second depression preventing means 90 of the present invention, the connecting portion 92 and the connecting portion (connected to the body portion 10 or lug 20 of the mat) 92 is characterized in that it is arranged in the turf passing space and in particular configured to prevent ground depression of the mat, including an extension such as a ring 94 or plate 96 which enlarges the ground contact area.

Thus, in particular, the connection 92 connected to the lug and the ring 94 (Figs. 7A, 7B) or the plate 96 of Figs. 9, 10 work together to prevent the mat from sinking in the ground.

That is, in the depression preventing means 90 of the present invention, since the connection portion 92 corresponding to the bar of the first depression preventing means 80 and the ring 94 or plate 96 of the expansion portion are in close contact with the ground, The contact area is increased to more effectively prevent depression of the mat.

On the other hand, as shown by the arrow in Figure 7a, the connecting portion 92 and the ring 94 of the depression preventing means 90 is a bar or cross-shaped bar in cross section, as described above, the inner space portion (92b) ( 94b) may be provided in a hemispherical shape, a semi-ellipse shape, or the like, or a bent bar such as a triangle.

Therefore, as described above, the connection portion of the depression preventing means having the inner spaces (92b, 94b), the ring is in contact with the ground while the curved hemispherical bar or bent triangular bar is extended when the ground contact to provide a depression prevention function At the same time, it is possible to prevent the rolling of the mat.

As a result, the inner space portion of the connection portion 92 and the ring 94, which is a curved or bent bar of the depression preventing means 90, may also provide a function of preventing the rolling of the mat.

In addition, as shown by another arrow in FIG. 7A, it is preferable to form the rounded connection portion 92 and the upper surfaces 92a and 94a of the ring 94 in the second depression preventing means 90. The reason for this is as described above.

In this case, as shown in Figures 7 and 8, the ring 94 of the depression preventing means 90 may be provided in a circular or polygonal shape, for example, a hexagonal ring if the grass passing space by the body portion is a hexagon.

In addition, as shown in Figures 9 and 10, the plate 96 of the depression preventing means 90 is also circular or polygonal shape, for example, because the grass passing space is a hexagon by the body portion may be provided as a hexagonal plate.

On the other hand, the ring 94 is connected to the connection portion 92 of the bar connected to the lug 20 in the second depression preventing means 90 of the present invention does not block the grass passing space 12 greatly, so that grass growth is easy. In addition, since the plate 96 partially blocks the grass passing space 12, the surface contact area is increased the most, and thus, the ground depression of the mat is surely prevented.

Therefore, the area where the ground depression of the mat easily occurs according to the state of the ground includes the plate 96 rather than the second depression prevention means 90 including the first depression prevention means 80 or the ring 94. It would be desirable to use a mat to which the second anti-dent means 90 is applied.

On the contrary, in the case where the grass growth is necessary through securing the grass passing space rather than the ground depression of the mat, the first depression preventing means 80 or the ring in which the bars are connected across the grass passing space between the lugs. It would be desirable to install a grass protection mat comprising a second depression prevention means 90 in the form of (94).

At this time, although not shown in a separate drawing, in the case of the second depression preventing means 90 of the present invention, the contact area 92, as well as the ring 94 or the plate 96 of the expansion portion is the ground contact area is increased Since the mat provides a function of preventing depression, the connection portion 92 is bent and extended from the body portion 10 so that the ring 94 or plate 96 is connected to the position in contact with the ground on the lower end of the lug. It is also possible.

Next, in FIGS. 11A to 11I, a ring of connecting portion 92 and an extension of a ground contact surface of the sinking prevention means of the present invention, that is, a bar of the first sinking preventing means 80 or a bar of the second sinking preventing means 90. 94 or the bottom of the plate 96 is provided with a variety of forms of the anti-rolling means (110a to 110e) to prevent the mat from being pushed from the ground when the grass protection mat is installed.

For example, in the grass protection mat of the present invention, the contact surface of the bar of the first depression preventing means 80 or the connection portion 92 of the second depression preventing means 90, the bottom surface of the ring 94 or the plate 96. The anti-rolling means provided in the bar, as shown in Figure 11a, at least one concave-convex portion (110a) integrally formed in the connection portion and the ring or plate, as shown in Figure 11b, the cross projection (110b), as shown in Figure 11c It may be formed as a polygonal groove (110c) or the like.

Thus, such anti-rolling means make it possible to prevent the mat from rolling while being in close contact with the ground.

On the other hand, the rolling prevention means of the present invention may be provided in the form of grooves or protrusions of the uneven portion, the groove portion, the cross groove portion, the cross-shaped portion, the polygonal groove portion, the polygonal protrusion, and the star groove portion, the star protrusion portion.

11D and 11E, the anti-rolling means of the present invention has a bottom surface in the longitudinal direction, that is, a ground contact surface along the bar and the connection portion and ring of the second depression preventing means. It may be provided as an elongated groove portion formed integrally with the groove, that is, an elongated groove made of V-shaped groove 110d or circular groove 11d '.

Alternatively, as shown in FIGS. 11F to 11H, the bottom surface of the bar of the first depression preventing means 80, the contact surface 92, the ring 94 or the plate that is the bar of the second depression preventing means 90. It may be provided as pointed protrusions 110e, for example conical protrusions, which protrude integrally to the bottom of the 96.

Also in this case, the projections 110e will be more effectively suppressed from slipping the mat while getting stuck in the ground.

Meanwhile, as shown in FIG. 11I, the anti-rolling means includes a lower end of the lug 20 in which the bar 92 and the connecting portion 92 formed of the bar of the first or second recession preventing means 80 and 90 are integrated. It can be formed integrally with.

For example, as shown in FIG. 11I, the V-shaped groove 110d or the conical protrusions 110e (not shown) may be integrally formed at the lower end of the lug 20, and preferably as integrally with the bars of the depression preventing means. It is formed.

On the other hand, among the various preventive means shown in Figure 11 groove or protrusion direction uneven portion 110a, elongated groove portion (110d) (110d '), that is, the anti-rolling means formed on the surface contact surface of the depression preventing means Each shape of is preferably such that the grooves or protrusions are formed in a direction at least perpendicular or inclined to the copper wire direction through which the mat is constructed.

For example, because the copper line is constant in the golf course that uses the most grass protection mats, if the groove or protrusion direction of the skim prevention means is perpendicular or inclined to the copper line of the person passing through the mat, it will more effectively prevent the mat jungle. .

On the other hand, the various anti-rolling means described above may be provided in a combination of a bar, a connection or a ring.

Next, as illustrated in FIGS. 12A to 12D, the vertical protrusion part 100 described above may be provided with a non-slip means.

For example, the non-slip means provided in the vertical protruding member 100 may be provided as a cross groove 120a as shown in FIG. 12A, or may be formed as a cross protrusion 120b as shown in FIG. 12B, or as shown in FIG. 12C. It may be formed of 120c or provided as a polygonal protrusion 120d as shown in FIG. 12D.

On the other hand, although not shown in the drawings, each of the shape of the non-slip means provided on the upper end of the vertical protrusion member of the present invention, irregularities, grooves, cross grooves, cross protrusions, polygon grooves, polygon protrusions, asterisk groove It may be provided in various forms of one of the asterisk and the protrusion.

Therefore, the grass protection mat of the present invention is moist by means of the non-slip means of the various forms while increasing the load bearing capacity of the mat by the vertical protrusion member 100 installed vertically in the grass passing space 12 On golf courses where heavy dew falls, it will more effectively prevent slipping, especially when a person passes through the mat.

At this time, as described above, the grooves or protrusions in the direction perpendicular to or inclined in the direction of the copper wire passing through the mat constructed to increase the anti-slip resistance of each shape portion of the non-slip means of the vertical protrusion member 100 It is desirable to form.

Next, Figure 13 shows a variation of the depression preventing means 80 in the grass protection mat (1) of the present invention, a bar connected between the lug 20 or a curved or bent bar as the depression prevention means It is showing curving up.

That is, as shown in FIG. 13A, when the center portion 82 of the depression preventing means 80 is curved to be convex upward, as shown in FIG. 13B, the curvature when installing the lawn protection mat 1 on the ground is curved. Since the bar (curved / bent bar) of the recessed prevention means 80 is intended to be convex upward, when the vertical vertical protruding member 100 is pressed at the center portion 82 as shown in FIG. If there is no crushing force, it will have a restoring force to be convex upward, which will suppress the mat depression.

Of course, it is also possible to bend upward in the case of the second depression preventing means 90 with the extension of the ring or plate.

Next, FIGS. 14A and 14B show another modified example of the depression preventing means 80 and 90 of the present invention.

That is, as shown in FIG. 14A, the mat recesses and mat slides are integrally provided under a bar (or a connection portion and a ring which is a bar of the second recession preventing means) of the first recession preventing means 80 of the present invention. There is a feature that is further included to prevent the elastic portion 86.

At this time, the elastic portion 86 includes a groove portion 86a that extends along the bar and extends along the ring and is recessed inwardly.

Therefore, as shown in FIG. 14B, when the mat is actually installed on the ground, the elastic portion 86 is opened and the ground contact area is increased to effectively prevent the mat from sinking, and in particular, the elasticity having the groove portion 86a. The part 86 also provides the function of the mat rolling prevention means described above, so that it is possible to suppress the mat flow as much as possible during the construction of the lawn protection mat.

At this time, the inner groove portion (86a) of the elastic portion 86 is preferably provided with a projection 88, ie conical projections to increase the anti-rolling force of the mat integrally.

As described above, according to the grass protection mat of the present invention, the depression preventing means having both ends connected to different lugs across the grass passing space, or the depression preventing means having an extension portion, reliably prevents the ground depression of the lawn protective mat.

Thus, the turf protection mat of the present invention is prevented from depression so that the turf protection period is further extended to provide an excellent effect of prolonging the mat lifetime.

Next, by the improved anti-depression means or the anti-roll means and the vertical projection member and the non-slip means of the upper portion provided to prevent the depression and to suppress the mat rolling.

In addition, the vertical protrusion member provides excellent effects such as preventing slippage of the mover even when there is much dew or moisture in a golf course using a lot of grass protection mats, or when passing through an inclined mat.

While the invention has been shown and described in connection with specific embodiments so far, it will be appreciated that the invention can be varied and modified without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

Claims (24)

A body portion 10 in which the grass passing space 12 is successively formed; A lug 20 formed below the body part 10; And, Depression prevention means (80) connected between the lugs across the turf passing space (12) and configured to prevent ground depression of the mat; Lawn protection mat consisting of. A body portion 10 in which the grass passing space 12 is successively formed; A lug 20 formed below the body part 10; And, Depression prevention means (90) connected between the body portion (10) or the lug (20) across the turf passing space (12) to prevent ground depression of the mat, including an expansion portion for expanding the ground contact area; Lawn protection mat consisting of. According to claim 1 or 2, wherein the body portion 10 is configured to form a polygonal or circular grass passing space 12, and a projection pillar 30 formed on the upper side of the body portion, and protrudes therebetween. Shock absorbing wing 40 and the grass protection mat, characterized in that it further comprises an outer frame portion 50 is connected to the outer portion of the body to maintain the mat shape. The grass protection mat according to claim 3, wherein the outer frame portion (50) further comprises a fastener (70) to which the hook means (60) and the adjacent mat hook means for connecting the mats are connected. According to claim 1, wherein the depression preventing means 80 is a bar integrally connected between the lower end of the lugs facing each other across the grass passing space, or a cross-section curved or bent bar having an inner space portion (80b) Lawn protection mat, characterized in that configured. 6. The lawn protection mat according to claim 5, wherein the bars of the depression preventing means have one end integrally connected to the bottom of the lug and the other end merged in the grass passage space (12) to form a central portion (82). 7. The grass protection mat according to claim 6, wherein an extension end (84) is further formed at the center portion (82) of the depression preventing means to expand the surface contact area. The method of claim 2, wherein the depression preventing means 90, Connection portion 92 is connected to the body portion 10 or the lug 20; And, The extension part connected to the connection part 92; Lawn protection mat, characterized in that configured to include. The method of claim 8, wherein the expansion of the depression preventing means 90, the ring 94 or plate 96, which is connected to the connecting portion 92, which is located in the grass passing space 12, the ground contact area Lawn protection mat, characterized in that configured to expand. 10. The turf protection mat according to claim 9, wherein the ring preventing portion extension and the plate portion 96 are formed in a circular or polygonal shape. 10. The lawn protection as claimed in claim 9, wherein the connection portion 92 and the ring 94 of the depression preventing means are composed of a bar or a bar that is curved or bent in cross section including inner space portions 92b and 94b. mat. 7. The grass protection mat according to claim 6, wherein the bar central portion (82) of the depression preventing means (80) further includes a vertical protrusion member (100) vertically upward in the grass passing space. 10. The lawn protection mat according to claim 9, wherein the plate (96) of the depression preventing means (90) further includes a vertical protrusion member (100) vertically upward in the grass passage space. The grass protection mat according to claim 12 or 13, wherein the depression preventing means is curved upward in the longitudinal direction. The method of claim 12 or 13, wherein the vertical protrusion member 100 is connected to the body portion 10 or the protruding pillar 30 and is connected and fixed to the reinforcing rib 102 to further provide a depression prevention function Lawn protection mat, characterized in that. 12. The connection portion 92 and ring 94 of the bar of the first depression preventing means 80 and the bar of the second depression prevention means 90 prevent damage to the turf. Grass protection mat, characterized in that the upper surface is formed rounded. 10. The grass protection mat according to claim 5 or 9, further comprising mat rolling prevention means on the ground contact surface of the depression preventing means. The grass protection mat according to claim 5 or 8, wherein the lug connected to the depression preventing means is further provided with a mat rolling preventing means. The method of claim 17, wherein the anti-roll means, irregularities, grooves, cross grooves, crisscross, polygonal grooves, polygonal projections, asterisk grooves, asterisk, projections, and elongated grooves, characterized in that they are configured or mixed Grass protection mat. The lawn protection mat according to claim 18, wherein the rolling preventing means is one of a protrusion or a groove. The grass protection mat according to claim 12 or 13, further comprising a non-slip means on the upper portion of the vertical protrusion member (100). 22. The lawn protection mat according to claim 21, wherein the non-slip means of the vertical protrusion member is one of an uneven portion, a recessed portion, a cross recess, a cross protrusion, a polygon groove, a polygon protrusion, and an asterisk groove and an asterisk. . 10. The grass protection mat according to claim 5 or 9, wherein the ground contact surface of the depression preventing means further includes an elastic portion (86) for preventing mat depression and rolling. 24. The grass protection mat according to claim 23, wherein the elastic portion includes a groove portion (86a) extending along the bar and recessed inwardly, and projections (88) are further provided on an inner surface of the groove portion.

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