lawn cutter

The lawn cutter's height adjustment mechanism with wheels and skid plates addresses the challenge of adapting to varying grass heights and terrain, ensuring precise and user-friendly cutting.

DE102024134064A1Pending Publication Date: 2026-05-21EINHELL GERMANY AG
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
EINHELL GERMANY AG
Filing Date
2024-11-20
Publication Date
2026-05-21

AI Technical Summary

Technical Problem

Existing lawn cutters lack a simple and efficient mechanism for adjusting the cutting height, which limits their adaptability to different grass heights and terrain, affecting precision and user-friendliness.

Method used

A lawn cutter with a height adjustment mechanism that allows continuous adjustment of the cutting height, featuring wheels and skid plates for stability, and a lever mechanism for tool-free adjustment, enabling precise and consistent cutting on various surfaces.

Benefits of technology

Enables flexible and precise cutting height adjustment without tools, improving adaptability to different grass heights and terrain, enhancing user-friendliness and cutting precision.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a lawn cutter (1) with a tool body (2) and with a cutting unit (3) arranged on the tool body (2), by means of which grass can be cut. The lawn cutter (1) has a height adjustment mechanism (4) by means of which a cutting height of the cutting unit (3) can be set, in particular continuously.
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Description

[0001] The present invention relates to a lawn cutter with a tool body having a cutting unit arranged on the tool body, by means of which lawns can be cut.

[0002] The object of the present invention is to make it possible to adjust the cutting height of the lawn cutter in a simple way.

[0003] The problem is solved by lawn cutters with the features of the independent claim. Advantageous or preferred embodiments are each the subject of a corresponding dependent claim.

[0004] A lawn cutter is proposed, comprising a tool body and a cutting unit attached to it, with which grass can be cut. The invention will be explained below using cut grass or lawn as an example. However, it is clear that other materials can also be cut with the lawn cutter. Grass or lawn are examples of such materials.

[0005] The lawn trimmer features a height adjustment mechanism that allows the cutting height of the cutting unit to be set. This mechanism also allows for continuous adjustment of the cutting height, enabling a wide range of cutting heights to be set. The adjustable cutting height allows the lawn trimmer to be flexibly adapted to different grass heights and terrain, resulting in a precise and consistent cut. Another advantage of the height adjustment is that the grass can be cut to any desired length, allowing for optimal customization of the lawn length. Furthermore, the height adjustment mechanism allows the cutting height to be set without tools or major modifications to the lawn trimmer, simplifying operation and saving time.

[0006] The height adjustment mechanism can be used, for example, to change the distance between the cutting unit and the surface in order to adjust the cutting height.

[0007] Furthermore, it is advantageous if at least one wheel is arranged on the tool body, by means of which the lawn cutter can be placed on and / or moved across a surface. Preferably, two wheels are arranged on the tool body. The arrangement of two wheels increases stability and / or control when guiding the lawn cutter, which improves user-friendliness and the precision of the cutting height. This also allows the user to operate the lawn cutter effortlessly.

[0008] Furthermore, it is advantageous if at least one skid plate is attached to the underside of the tool body, allowing the lawn cutter to be placed on the ground. The skid plate provides additional stabilization of the cutting tool, especially on uneven terrain, and minimizes the risk of the blades catching in the soil. Additionally, the skid plate allows the cutting unit to be moved across the ground at a controlled height, set by the height adjustment mechanism. As a result, the lawn can be cut at a consistent cutting height, as determined by the height adjustment mechanism.

[0009] Advantageously, the skid unit is positioned between the cutting unit and the at least one wheel. Consequently, along the longitudinal direction of the lawn cutter or tool body, the cutting unit is positioned at the very front. Behind it follows the skid unit, and then the at least one wheel, which is located at the rear. The reference to "front" and "rear" here is determined by the intended use of the lawn cutter.

[0010] It is advantageous if at least one wheel can be moved using the height adjustment mechanism. Additionally or alternatively, it is advantageous if at least one skid unit can be moved relative to the tool body using the height adjustment mechanism. In this way, a contact surface formed by the skid unit and the wheel can be moved, in particular rotated, relative to the tool body. The contact surface is defined by the contact points of the at least one skid unit and the at least one wheel when they are placed on the ground or a surface of the lawn. The contact surface is defined by the bearing points of the at least one skid unit and the at least one wheel. By moving this contact surface, particularly relative to the cutting unit, the cutting height can be adjusted.By moving the contact surface relative to the tool body, the position and / or orientation of the cutting unit can be changed when the lawn cutter is placed on the ground, thus adjusting the cutting height. Furthermore, moving at least one wheel and / or at least one skid can change the position and / or orientation of the contact surface relative to the tool body, again allowing the cutting height to be adjusted.

[0011] In an advantageous embodiment of the invention, the height adjustment mechanism can move the at least one wheel in a linear and / or pivoting motion relative to the tool body. Additionally or alternatively, it is advantageous if the height adjustment mechanism can also move the at least one skid unit in a linear and / or pivoting motion relative to the tool body. This allows the cutting height to be changed conveniently and / or easily. Furthermore, this allows the position and / or orientation of the contact surface relative to the tool body to be changed, thus enabling the cutting height to be adjusted.

[0012] It is advantageous if the height adjustment mechanism includes at least one lever with which at least one wheel and / or at least one skid unit can be moved. A lever mechanism, or the lever itself, allows for quick, convenient, and / or tool-free adjustment of the cutting height, which increases the ease of use of the lawn cutter and / or enables a high degree of adaptability.

[0013] Advantageously, the lever is rotatably mounted on a pivot point on the tool body. The lever can be mounted in a swivel joint on the tool body. Additionally, at least one wheel is mounted on the lever, allowing the wheel to be moved and / or pivoted linearly relative to the tool body. Furthermore, the pivot point and the wheel's mounting on the lever are spaced apart. This results in an eccentric movement of the wheel by the lever, enabling linear movement and / or pivoting of the wheel relative to the tool body. This allows for continuous adjustment of the cutting height. The pivot point mounting of the lever enables precise control of the wheel's position relative to the tool body, thus allowing for accurate adjustment of the cutting height.

[0014] It is advantageous if the wheel is mounted on the lever so that it can rotate, especially by means of a wheel axle. A rotating wheel mount allows the lawn cutter to move smoothly across the ground, which increases ease of use and maneuverability.

[0015] According to an advantageous embodiment of the invention, the sliding skid unit is arranged on the lever in addition to or as an alternative to the at least one wheel, so that it can be moved linearly and / or pivoted. This allows the position and / or orientation of the at least one sliding skid unit relative to the tool body to be adjusted. This, in turn, allows the contact surface to be adjusted in position and / or orientation relative to the tool body, which in turn changes the position and / or orientation of the cutting unit relative to the substrate. Consequently, the cutting height can be adjusted.

[0016] Furthermore, it is advantageous if at least one wheel is fixed in position on the tool body. Additionally or alternatively, it is advantageous if at least one skid unit is fixed in position on the tool body. This keeps the wheel and / or skid unit in a stable position and / or orientation relative to the surface, enabling a consistent cutting height that is set by the height adjustment mechanism.

[0017] It is advantageous if the cutting unit is fixed in position to the tool body. This ensures that the cutting unit remains stable in its position relative to the tool body and that the set cutting height remains constant during operation, thus improving the accuracy and efficiency of the cut.

[0018] In an advantageous embodiment of the invention, two wheels can be moved independently of each other relative to the tool body by means of the height adjustment mechanism. The independent height adjustment of the wheels allows for targeted adaptation to uneven terrain, thus ensuring a precise cut on uneven ground. For example, this allows one wheel to be guided over a raised surface, such as a curb. The cutting unit can then remain parallel to the ground, so that the lawn is cut at a constant height.

[0019] It is advantageous if at least one skid unit extends from the cutting unit area to the area of ​​the wheels and / or to the wheels themselves. The skid unit can extend to the area adjacent to the wheels. Furthermore, the skid unit includes two recesses in which a wheel is at least partially positioned or inserted, so that each recess encompasses a wheel. The skid unit thus encompasses both wheels and their recesses. The skid unit therefore extends to the area of ​​the wheel faces, with the wheels positioned within the recesses. Additionally, the skid unit is spaced away from the wheels in the area of ​​the recesses, allowing the wheels to still rotate. By gripping the wheels with the skid unit in the area of ​​the recesses, the ingress of dirt or stones can be prevented.

[0020] It is advantageous if the lawn cutter includes two skid units. In this case, for example, each skid unit can have a recess. By dividing the single skid unit into two, the design can be simplified. An area between the two skid units can thus remain free, which further saves material and makes the lawn cutter lighter.

[0021] It is advantageous if the lawn trimmer includes at least one sensor that can detect differences in ground level. A sensor for detecting height differences allows for automatic adjustment of the cutting height, thus optimizing the cutting quality even on uneven terrain and reducing the operator's workload.

[0022] Furthermore, it is advantageous if the tool body includes at least one actuator with which the wheel and / or the skid unit can be moved. An actuator for automatic adjustment of the cutting height contributes to user-friendliness and ensures a consistent cutting height without manual readjustment.

[0023] The actuator is advantageously connected to the sensor. This combination enables precise, automatic height adjustment, maximizing the efficiency and accuracy of the cutting process. For example, one wheel can be set higher than the other, ensuring the lawn is cut at a consistent height even if one wheel encounters a bump and the other is lower.

[0024] In a further advantageous embodiment, the cutting unit comprises at least two knife units, which are movable relative to each other. The counter-rotating movement of the knife units improves the cutting performance and ensures a clean and uniform cut.

[0025] It is advantageous if the tool body includes at least one guiding element by means of which cut grass or clippings can be directed onto the tool body. Directing the cut grass onto the tool body enables targeted collection of the clippings. This allows the tool body to be used like a shovel and the cut grass to be removed.

[0026] In particular, the tool body can have two guide elements. Using two guide elements further improves the grass guidance, facilitating the even distribution and accumulation of the clippings. The two guide elements can be spaced apart from each other in a transverse direction. At least one of the guide elements can be, for example, guide plates made of plastic or metal.

[0027] Furthermore, the lawn cutter, and in particular the tool body, includes a locking mechanism that secures the height adjustment mechanism, thus ensuring that the set cutting height remains fixed. This guarantees that the lawn is always cut at the set height and that the cutting height does not change unexpectedly.

[0028] According to an advantageous embodiment of the invention, the lawn cutter comprises a handle with the tool body at one end and a grip at the other. The handle improves the ergonomics of the device and facilitates operation, particularly during extended use.

[0029] It is advantageous if the lawn trimmer includes a battery interface so that it can be operated with a battery. Battery operation allows for cordless use of the device, which increases mobility and flexibility.

[0030] Further advantages of the invention are described in the following exemplary embodiments. These show: Fig. 1. A top view of the lawn cutter with tool body and partial handle, Fig. 2 a side view of the lawn cutter with height adjustment mechanism, Fig. 3 A side view of the lawn cutter with height adjustment mechanism, compared to the Fig. 2 lower cutting height, Fig. 4 a side view of the lawn cutter with height adjustment mechanism in an alternative embodiment, Fig. 5 A side view of the lawn cutter with height adjustment mechanism, compared to the Fig. 4 lower cutting height, Fig. 6 a side view of the lawn cutter with height adjustment mechanism in a further alternative embodiment, Fig. 7 A front view of the lawn cutter where one wheel is adjusted in height, Fig. 8 a front view of the lawn cutter with two guide elements and Fig. 9 A top view of the lawn cutter with tool body and partial handle.

[0031] The in Fig. Figure 1 shows a lawn cutter 1 in a top view, comprising a tool body 2. The tool body 2 is a central component of the lawn cutter 1 and serves to hold and attach further components.

[0032] According to Fig. 1. The tool body 2 has a cutting unit 3. The cutting unit 3 is arranged such that it is suitable for cutting grass or other materials. Although the invention is explained here by way of example using the cutting of grass or lawn, it can generally be used to cut clippings, for example in the garden.

[0033] The lawn cutter 1 is equipped with a first wheel 5 and a second wheel 6, which are arranged laterally on the tool body 2. The first wheel 5 is attached to the tool body 2 via a first wheel shaft 7, thus ensuring its stable and secure fixation. Similarly, the second wheel 6 is connected to the tool body 2 via a second wheel shaft 8.

[0034] Due to the intended use of the lawn cutter 1, indicating front and rear may be useful. The cutting unit 3 is located at the front of the tool body 2. The two wheels 5, 6 are located at the rear of the tool body 2.

[0035] Additionally, the Fig. 1 a handle 9, which is arranged at the upper part of the tool body 2. The handle 9 serves to guide and handle the lawn cutter 1 by the user.

[0036] For the sake of simplicity, features already described in at least one preceding figure cannot be explained again. Furthermore, features may only be described in this figure or in at least one of the following figures. Additionally, for the sake of simplicity, the same reference symbols are used for identical features. Moreover, for the sake of clarity, not all features can be shown and / or labeled in the following figures. However, features shown in one or more of the preceding figures may also be present in this figure or in one or more of the following figures. Furthermore, for the sake of clarity, features may only be shown and / or labeled in this figure or in one or more of the following figures.Nevertheless, features that are only shown in one or more of the following figures may already be present in this or a preceding figure.

[0037] The in Fig. The illustrated embodiment 2 shows a side view of the lawn cutter 1, which includes the tool body 2. The tool body 2 includes the cutting unit 3, which is designed to cut the lawn precisely and evenly. As shown here, the cutting unit 3 can be fixed in position on the tool body 2, which offers the advantage that the cutting height is always kept constant during operation. This results in a clean and even cut.

[0038] Furthermore, at least one skid unit 15 is arranged between the cutting unit 3 and the wheel 5, as shown in Fig. Figure 2 illustrates this. The skid unit 15 can be positioned between the cutting unit 3 and the wheel 5, as shown here. It contributes to an even distribution of the load on the surface 10 and prevents the lawn cutter 1 from sinking into soft or damp soil. Furthermore, the skid unit 15 allows the cutting unit 3 to be guided at a constant height above the surface 10. This ensures that the cutting height remains constant even under difficult conditions and that the lawn cutter 1 operates reliably.

[0039] Furthermore, the skid unit 15, in combination with the wheel 5 or with both wheels 5, 6, forms a contact surface 19. When the lawn cutter 1 is used as intended, the contact surface 19 is always congruent with a surface 18 of the base 10. If the lawn cutter 1 is lifted from the base 10, for example, the contact surface 19 naturally moves away from the base 10 or from the surface 18. The contact surface 19 is represented here by the bold line. The contact surface 19 is defined by the contact points of at least one skid unit 15 and at least one wheel 5, 6.

[0040] According to Fig. 2. The lawn cutter 1 features a height adjustment mechanism 4 that allows the cutting height to be adjusted flexibly, conveniently, and / or without tools. This is particularly advantageous for adapting the cutting height to different lawn lengths or types. The tool-free height adjustment simplifies handling and allows for quick adjustment of the cutting height without additional effort, thus increasing the efficiency and user-friendliness of the lawn cutter 1.

[0041] According to the present embodiment, the height adjustment mechanism 4 comprises a lever 13 which is rotatably mounted on a pivot point 14 on the tool body 2. The pivot point 14 can be formed by a rotary bearing.

[0042] Furthermore, this is in the Fig. The first wheel 5, visible in Figure 2, is rotatably mounted on the lever 13 by means of the wheel shaft 7. Furthermore, the mounting of the first wheel shaft 7 and the mounting of the lever 13 are spaced apart from each other at the pivot point 14. When the lever 13 is actuated by turning it, the first wheel shaft 7 moves along an eccentric path towards the pivot point 14. This causes the wheel 5 to move relative to the tool body 2. Consequently, the cutting height can be adjusted. The lever 13 allows for precise and / or convenient operation of the height adjustment, thus improving the ergonomics of the device.

[0043] The height adjustment mechanism 4 allows the position and / or orientation of the mounting surface 19 to be flexibly adjusted relative to the tool body 2, so that the cutting height can be set.

[0044] The in Fig. Figure 3 shows a side view of the lawn cutter 1, with the height adjustment mechanism 4. Compared to the one in Fig. In the configuration shown in 2, the cutting height is reduced, which was achieved by adjusting the position of wheel 5.

[0045] According to Fig. 3. The wheel 5 is moved downwards towards the ground 10 by the height adjustment mechanism 4, thereby bringing the tool body 2 into a forward-tilting position. The movement of at least one wheel 5, 6 by the lever 13 relative to the tool body 2 has changed the position and / or orientation of the contact surface 19 relative to the tool body 2. The contact surface 19 is still coincident with the surface 18 when the lawn cutter 1 is used as intended, as shown here. This tilting of the tool body 2, due to the tilting of the contact surface 19 and / or the movement of at least one wheel 5, 6, causes the cutting unit 3 to tilt downwards, resulting in a lower cutting height. This adjustment of the cutting height allows for a closer cut of the lawn.

[0046] The sliding skid unit 15, which is arranged on a lower side 17 of the tool body 2, i.e., when used as intended, faces the substrate 10, is fixed in position here.

[0047] Furthermore, the cutting unit 3 of the figures shown here comprises two knife units 11, 12, which are moved against each other in an oscillating motion.

[0048] The Fig. 4 and Fig. Figure 5 shows a side view of a lawn cutter 1 with the height adjustment mechanism 4 in an additional or alternative embodiment. In this variant, the skid unit 15 can be moved relative to the tool body 2 using the height adjustment mechanism 4. This design allows the contact surface 19 to be changed in position and / or orientation, thus enabling the cutting height to be adjusted.

[0049] In Fig. 5 The skid unit 15 is partially moved into the tool body 2. This movement of the skid unit 15 causes the front of the lawn cutter 1, in particular the cutting unit 3, to tilt downwards towards the ground 10. This results in a reduced cutting height, which is advantageous for short lawns and allows for precise adjustment of the cutting height.

[0050] In the Fig. 4 is the skid unit 15 compared to the Fig. 5 further extended from the tool body 2. In the Fig. In contrast, the sliding skid unit 15 is at least partially moved into the tool body 2.

[0051] This causes the tool body 2 to tilt forward and / or the contact surface 19 to change its position and / or orientation relative to the tool body 2. Due to the forward tilting, the cutting unit 3 also moves towards the base 10, thus reducing the cutting height.

[0052] The in Fig. Figure 6 shows a side view of a lawn cutter 1 with the height adjustment mechanism 4, which allows the cutting height to be adjusted by moving the skid unit 15. As shown in the figure 6, adjusting the skid unit 15 results in the following adjustments: Fig. As shown in Figure 5, the cutting unit 3 is inclined downwards and / or tilted so that it leans towards the base 10. This again changes the contact surface 19 in relation to the tool body 2.

[0053] The mobility of the skid unit 15 relative to the tool body 2 offers the advantage that the user can adjust the cutting height without tools and / or with ease. This flexibility contributes to high user-friendliness and makes the lawn cutter 1 versatile, as it can be adapted to different soil conditions and / or desired grass lengths.

[0054] The in Fig. Figure 7 shows a frontal view of the lawn cutter 1, which is standing on the base 10. Additionally, a raised area 16 is arranged next to the base 10, which can represent, for example, an edging stone or paving stone in the garden.

[0055] In this embodiment, the second wheel 6 is moved upwards relative to the tool body 2, while the first wheel 5 remains in its position. This is made possible by the height adjustment mechanism 4, which allows for flexible adjustment of the wheel positions to adapt the lawn cutter 1 to different terrain conditions. This movement keeps the cutting unit 3 parallel to the ground 10, ensuring a uniform cutting height. The parallelism of the cutting unit 3 to the ground 10 enables a uniform and clean cut, even when the lawn cutter 1 is partially positioned on the raised surface 16.

[0056] The two wheels 5, 6 can therefore be adjusted differently and / or independently of each other in height by means of the height adjustment mechanism 4.

[0057] Fig. Figure 8 shows the lawn cutter 1 with two guide elements 20, 21. The two guide elements 20, 21 are arranged laterally on the tool body 2 and / or they are spaced apart from each other in a transverse direction on the tool body 2. The guide elements 20, 21 can be guide plates made of plastic and / or metal. The term "plate" here does not necessarily imply that the guide elements 20, 21 are made of metal.

[0058] The two guide elements 20, 21 can further extend at least partially from the cutting unit 3 to the wheels 5, 6. Preferably, they extend to the wheels 5, 6.

[0059] With the aid of the guide elements 20, 21, the cut grass or clippings can be directed up onto the tool body 2. There, the grass can be collected and, for example, thrown into a bin using the lawn cutter. The lawn cutter then functions similarly to a shovel once enough grass has collected on the tool body 2.

[0060] Fig. Figure 9 shows a top view of the lawn cutter 1 with a skid unit 15 having two recesses 22, 23. The wheels 5, 6 are arranged in these recesses 22, 23. The first wheel 5 is arranged in the first recess 22, and the second wheel 6 is arranged in the second recess 23. The skid unit 15 thus encompasses both wheels 5, 6 in the area of ​​the recesses 22, 23. As can be seen here, the skid unit 15 is shown with dashed lines in the area below the tool body 2. The skid unit 15 thus extends to the area of ​​the end faces of the wheels 5, 6. Furthermore, the skid unit 15 extends over the two wheel shafts 7, 8 and / or into the area of ​​the wheel shafts 7, 8. The skid unit 15 thus serves as a kind of protective plate for the wheels 5, 6, so that their contamination can be reduced.The sliding skid unit 15, which extends transversely here, results in a large surface area of ​​contact between the lawn cutter 1 and the surface 10.

[0061] In this Fig. Figure 9 shows a single skid unit 15, which has the two recesses 22, 23. In an alternative embodiment, not shown here, two skid units 15 can also be present, each having a recess 22, 23. In this case, one skid unit 15 is assigned to each wheel 5, 6. The two skid units 15 are then spaced apart from each other in a transverse direction. This transverse direction is parallel to the axis of rotation of the wheels 5, 6. This allows the lawn cutter 1 to be made lighter, since the area between the two skid units 15 remains clear. Reference symbol list 1 lawn cutter 2 tool bodies 3 cutting unit 4 Height adjustment mechanism 5 first wheel 6 second wheel 7 first wheel axle 8 second wheel shaft 9 stem 10 Subsurface 11 first knife unit 12 second knife unit 13 levers 14 Pivot point 15 skid unit 16 increase 17 Underside 18 surface 19 Mounting surface 20 first guiding element 21 second guiding element 22 first recess 23 second recess

Claims

Lawn cutter (1) with a tool body (2) and with a cutting unit (3) arranged on the tool body (2) by means of which lawns can be cut, characterized in that the lawn cutter (1) has a height adjustment mechanism (4) by means of which a cutting height of the cutting unit (3) can be set, in particular continuously. Lawn cutter according to the previous claim, characterized in that at least one wheel (5, 6) is arranged on the tool body (2) by means of which the lawn cutter (1) can be placed on a surface (10) and moved over the surface (10), wherein preferably two wheels (5, 6) are arranged on the tool body (2). lawn cutter according to one or more of the preceding claims, characterized in that at least one skid unit (15) is arranged on the tool body (2), which is arranged on an underside (17) of the tool body (2), so that the skid unit (15) can be placed on the surface (10). Lawn cutter according to one or more of the preceding claims, characterized in that the skid unit (15) is arranged between the cutting unit (3) and the at least one wheel (5, 6). Lawn cutter according to one or more of the preceding claims, characterized in that the at least one wheel (5, 6) and / or the at least one skid unit (15) can be moved relative to the tool body (2) by means of the height adjustment mechanism (4). Lawn cutter according to one or more of the preceding claims, characterized in that the height adjustment mechanism (4) can move the at least one wheel (5, 6) and / or the at least one skid unit (15) in a linear and / or pivoting movement relative to the tool body (2). Lawn cutter according to one or more of the preceding claims, characterized in that the height adjustment mechanism (4) comprises at least one lever (13) by means of which the at least one wheel (5, 6) and / or the at least one skid unit (15) can be moved. Lawn cutter according to one or more of the preceding claims, characterized in that the at least one lever (13) is rotatably mounted on the tool body (2) in a pivot point (14) and on which the at least one wheel (5, 6) is arranged, so that the at least one wheel (5, 6) can be moved linearly and / or pivoted relative to the tool body (2). Lawn cutter according to one or more of the preceding claims, characterized in that the wheel (5, 6) is rotatably mounted on the lever (13), in particular by means of a wheel shaft (7, 8). Lawn cutter according to one or more of the preceding claims, characterized in that the at least one skid unit (15) is arranged on the at least one lever (13) so that the skid unit (15) can be moved linearly and / or pivoted. Lawn cutter according to one or more of the preceding claims, characterized in that the at least one wheel (5, 6) or the skid unit (15) is arranged in a position fixed on the tool body (2). Lawn cutter according to one or more of the preceding claims, characterized in that the cutting unit (3) is arranged in a position fixed on the tool body (2). Lawn cutter according to one or more of the preceding claims, characterized in that, in the case of two wheels (5, 6), the two wheels (5, 6) can be moved independently of each other relative to the tool body (2) by means of the height adjustment mechanism (4). Lawn cutter according to one or more of the preceding claims, characterized in that the at least one skid unit (15) extends from the area of ​​the cutting unit (3) to the wheels (5, 6) and that the skid unit (15) comprises two recesses (22, 23) in which a wheel (5, 6) is arranged in each, so that each recess (22, 23) surrounds a wheel (5, 6). Lawn cutter according to one or more of the preceding claims, characterized in that the lawn cutter (1) comprises two skid units (15), wherein a recess (22, 23) is arranged in each skid unit (15). Lawn cutter according to one or more of the preceding claims, characterized in that the lawn cutter (1) comprises at least one sensor by means of which height differences on the ground (10) can be determined. Lawn cutter according to one or more of the preceding claims, characterized in that the tool body (2) comprises at least one actuator by means of which the at least one wheel (5, 6) and / or the at least one skid unit (15) can be moved. Lawn cutter according to one or more of the preceding claims, characterized in that the at least one actuator is connected to the at least one sensor. Lawn cutter according to one or more of the preceding claims, characterized in that the cutting unit (3) comprises at least two blade units (11, 12), wherein the two blade units (11, 12) are movable relative to each other. Lawn cutter according to one or more of the preceding claims, characterized in that the tool body (2) comprises at least one, in particular at least two guide elements (20, 21), by means of which cut grass can be guided onto the tool body (2). Lawn cutter according to one or more of the preceding claims, characterized in that the lawn cutter (1), in particular the tool body (2), has a fixing mechanism by means of which the height adjustment mechanism (4) can be fixed. Lawn cutter according to one or more of the preceding claims, characterized in that the lawn cutter (1) comprises a handle (9) at one end of which the tool body (2) is arranged and at the other end of which a handle is arranged. Lawn cutter according to one or more of the preceding claims, characterized in that the lawn cutter (1) comprises a battery interface, so that the lawn cutter (1) can be operated with a battery.