Treadmill with adjustable hardness

Abstract

The invention belongs to the technical field of treadmills, and particularly relates to a treadmill with adjustable hardness. A hardness-adjustable running machine comprises a rack, a running plate and a running belt, the running plate is supported on the rack, and the running belt is arranged in a surrounding mode in the length direction of the rack and laid on the running plate; a damping mechanism is arranged on the machine frame, the damping mechanism comprises at least one damping body set rotationally arranged on the machine frame, and the damping body set is formed by connecting a plurality of independent damping bodies in series in the length direction of the running machine and supports the running plate; the damping body is provided with buffer areas with different deformability in different radial supporting directions; the damping body set is driven to rotate in the axial direction of the damping body set so as to change the supporting direction where the damping bodies make contact with the running board, and therefore the overall hardness of the running board is adjusted. The treadmill has the advantage that the hardness of the treadmill can be adjusted.

Description

Technical Field

[0001] This invention belongs to the field of treadmill technology, and particularly relates to a treadmill with adjustable firmness. Background Technology

[0002] As one of the most popular aerobic fitness equipment, the performance of the treadmill's core component—the running platform—directly affects the user's running experience, comfort, and even exercise safety. Among these factors, the shock absorption performance of the running platform (i.e., the "firmness" or "softness" perceived by the user) is a key indicator of the quality of a treadmill.

[0003] An ideal treadmill running surface should be able to simulate the cushioning characteristics of various outdoor surfaces and provide appropriate impact absorption to protect the user's knees, ankles, and other joints, reducing the risk of sports injuries. However, users with different weights, fitness levels, and training goals (such as jogging recovery, interval sprinting, and marathon training) have significantly different needs for running surface firmness. Heavier users may need a softer running surface to provide sufficient cushioning, while professional runners may prefer a firmer running surface to obtain more realistic road feedback and stronger push-off force.

[0004] Taking the treadmill running platform structure disclosed in application number 202421655698.6 as an example, although the running platform uses soft elastic strips to achieve elastic cushioning of the entire running board, the softness and hardness of the entire running platform cannot be adjusted according to the usage needs after the treadmill is installed. Summary of the Invention

[0005] To address the shortcomings of existing technologies, a treadmill with adjustable hardness is provided.

[0006] The present invention is achieved by the following technical solution: a treadmill with adjustable hardness, comprising a frame, a running board and a running belt, wherein the running board is supported on the frame and the running belt is arranged around the frame along the length of the frame and laid on the running board;

[0007] The frame is equipped with a shock absorption mechanism, which includes at least one set of shock absorber groups rotatably mounted on the frame. The shock absorber group consists of multiple independent shock absorbers arranged in series along the length of the treadmill and supports the running board.

[0008] The damping body has buffer zones with different deformable capabilities in different radial support directions;

[0009] By driving the shock absorber assembly to rotate around its axis, the support orientation of the shock absorber in contact with the running board is changed, thereby adjusting the overall stiffness of the running board.

[0010] The adjustable treadmill described in this invention offers flexible and convenient operation. Users can adjust the overall firmness of the running board steplessly by rotating the shock-absorbing assembly, selecting positions on the shock-absorbing body with varying degrees of firmness to support the running board, based on their weight, fitness level, or training goals. This adjustment can be performed manually (e.g., by turning a handwheel) or electrically (e.g., via a motor), making it simple to operate and highly adaptable.

[0011] The damper can have different deformable buffer zones in different radial support directions. This can be achieved by changing the material or density, or by setting perforations in the damper, etc.

[0012] The significant technical advantage of this invention lies in its ability to adjust the shock absorption performance of the treadmill, precisely meeting the personalized needs of different users or the same user in different training scenarios. Heavier users can choose a softer support surface for sufficient cushioning and joint protection; professional runners can choose a firmer support surface for realistic road feedback and efficient push-off force. This not only greatly improves the treadmill's applicability and user experience but also fundamentally reduces the risk of sports injuries caused by an unsuitable treadmill firmness.

[0013] Preferably, the shock absorber assembly is provided with a drive shaft extending along the length of the frame, the drive shaft is rotatably mounted on the frame, and the plurality of shock absorbers are sequentially and coaxially sleeved and fixed on the drive shaft; the shock absorption mechanism includes two sets of shock absorber assemblies respectively located on the left and right sides of the frame; the frame is also provided with a driver and a transmission assembly driven by the driver, the transmission assembly being connected to the drive shaft of the two sets of shock absorber assemblies to drive them to rotate synchronously.

[0014] The synchronous rotation of multiple damping elements is achieved by rotating the drive shaft; and the driver enables the adjustment of the stiffness of the two sets of damping elements, facilitating user operation. The driver can be any existing motor, and the transmission components can be any existing gears or pulleys.

[0015] Preferably, a circumferential limiting structure is provided between the drive shaft and each of the shock absorbers; the circumferential limiting structure is configured such that when the drive shaft rotates, it can drive all the shock absorbers to rotate synchronously, ensuring that the radial orientation of all the shock absorbers with the same softness and hardness is simultaneously aligned with the running board, so as to provide uniform support for the running board.

[0016] The above configuration ensures that all shock absorbers, after being installed on the drive shaft, are coaxially aligned radially with the same stiffness, thus guaranteeing uniform support for the running board when the drive shaft rotates. The circumferential limiting structure can be a radially mating groove and protrusion, or it can be achieved by fixing the shock absorber and drive shaft with screws.

[0017] Preferably, the shock absorber is composed of a rigid inner core and a soft outer layer covering the rigid inner core circumferentially; the rigid inner core is sleeved on the drive shaft, and the circumferential limiting structure is provided between the two.

[0018] The circumferential limiting structure includes locking holes formed on the shock absorber and the drive shaft. The locking holes extend in the radial direction and are equipped with locking elements. The locking elements are inserted into the locking holes to lock the shock absorber and the drive shaft.

[0019] The rigid inner core is responsible for transmitting torque and providing the main structural support, while the soft outer layer is responsible for actual cushioning and shock absorption. This composite structure design effectively achieves the adjustment of different stiffness levels. Furthermore, the aforementioned circumferential limiting structure can lock the shock absorber and drive shaft not only in the circumferential direction but also in the axial direction, thereby preventing axial displacement of the shock absorber and providing uniform support for the running board.

[0020] Preferably, the soft outer layer is cylindrical and has a plurality of hollow cavities evenly spaced along the circumferential direction. The hollow cavities extend along the axial direction of the soft outer layer, and the plurality of hollow cavities have different volumes to form a buffer area with different deformable capabilities in different radial support directions of the shock absorber.

[0021] By setting hollow cavities of varying volumes around the soft outer layer, different resistance to deformation is achieved on a single material. The larger the volume of the hollow cavity, the less solid material is in its location, the "softer" the structure, and the greater the buffer stroke; the smaller the volume of the hollow cavity, the "harder" the support.

[0022] Preferably, the rigid inner core includes a cylindrical column, which is hollow to allow the drive shaft to be inserted, and the outer wall of the column is provided with a radially protruding anti-rotation part to limit the circumferential position of the rigid inner core and the soft outer layer.

[0023] The hollow cavities of the soft outer layer are all located in the arc-shaped area of ​​the hard inner core where the anti-rotation part is not provided in the circumferential direction.

[0024] Since the anti-rotation section itself is a rigid structure, the deformation capacity of the soft outer layer directly above it is limited, making it difficult to change the overall hardness by setting a hollow cavity there. Therefore, the hollow cavities are placed in an arc-shaped area without rigid constraints, allowing each hollow cavity to fully utilize its expected deformation space, thereby achieving the optimal balance between material properties and design function.

[0025] Preferably, the volume of the hollow cavity gradually increases or decreases along its circumferential direction.

[0026] By making the volume of the hollow cavity change continuously and gradually, the stiffness of the running platform can be smoothly, continuously, steplessly or linearly transitioned when the user drives the shock absorber assembly to rotate, thus providing the user with a better user experience.

[0027] Preferably, the anti-rotation part divides the soft outer layer into a first hollow cavity region and a second hollow cavity region, and the hollow cavities in the first hollow cavity region and the second hollow cavity region are symmetrically arranged with the radial center line of the anti-rotation part as the axis of symmetry.

[0028] The above configuration allows the hollow cavities in the first and second hollow cavity areas to be used alternately multiple times by rotating the entire shock absorber, thereby extending the service life of the entire shock absorber.

[0029] Preferably, a rotating seat is fixed on the frame, the drive shaft passes through the rotating seat and is rotatably connected to the rotating seat, a radially protruding limiting block is provided on the outer wall of the drive shaft, and a blocking part is provided on the rotation path of the limiting block on the rotating seat. The blocking part is used to block the limiting block to limit the rotation angle of the drive shaft, so that the drive shaft reciprocates only within a preset angle range.

[0030] The above-described configuration facilitates easy zeroing of the entire shock absorber assembly during assembly. During zeroing, the limit block engages with the stop section to achieve initial angle zeroing of the entire device. Furthermore, the drive shaft rotates only within a preset angle, ensuring a mechanical hard limit formed by the stop section and the limit block, providing a reliable physical reference for the entire adjustment system. This design not only prevents over-rotation but also allows users or the control system to perform a zeroing operation at any time to correct any adjustment indication deviations that may have been caused by long-term use or minor wear. This ensures the long-term accuracy and consistency of the treadmill's stiffness adjustment throughout its entire lifespan, improving the product's durability and reliability.

[0031] Preferably, the frame is provided with shock-absorbing strips extending along its length, and the shock-absorbing strips are provided with a plurality of upward-opening receiving grooves, each receiving groove being provided with a shock-absorbing body, and the shock-absorbing body and the shock-absorbing strips together support the running plate;

[0032] The running board is a single, integral piece supported on the shock-absorbing strips and shock-absorbing body; or

[0033] The running board consists of multiple separately set panels, each corresponding to a shock absorber, and each running board is individually supported on its respective shock absorber.

[0034] Compared with existing technologies, the advantages of this invention are: it enables adjustable shock absorption performance of the treadmill, precisely meeting the personalized needs of different users or the same user in different training scenarios. Heavier users can choose a softer support surface for sufficient cushioning and joint protection; professional runners can choose a firmer support surface for realistic road feedback and efficient push-off force. This not only significantly improves the treadmill's applicability and user experience but also fundamentally reduces the risk of sports injuries caused by unsuitable treadmill firmness. Attached Figure Description

[0035] Figure 1 This is a structural diagram of a treadmill;

[0036] Figure 2 for Figure 1 A structural diagram showing the structure after removing the running belt and the two running boards;

[0037] Figure 3 This is a schematic diagram of the overall structure of the shock absorber;

[0038] Figure 4 A schematic diagram of the rigid inner core and soft outer layer of the shock absorber;

[0039] Figure 5 This is a cross-sectional view of the damper.

[0040] Figure 6 This is a schematic diagram of the structure at the bottom of the treadmill;

[0041] Figure 7 This is an enlarged view of the transmission assembly;

[0042] Figure 8 This is a schematic diagram of the damping body assembly.

[0043] Figure 9 This is a schematic diagram of the drive shaft structure;

[0044] Figure 10 This is a sectional view of the longitudinal beam on one side of the frame;

[0045] Figure 11 This is a schematic diagram of the shock absorber structure in Example 2;

[0046] Figure 12 This is a cross-sectional view of the damper in Example 2;

[0047] Figure 13This is a schematic diagram of the shock absorber structure in Example 3.

[0048] Reference numerals: 1. Frame; 11. Support base; 2. Motor; 21. Belt; 22. Running belt roller; 3. Running plate; 31. Wear-resistant plate; 4. Motor; 41. Output shaft; 42. First gear; 43. Second gear; 5. Shock-absorbing strip; 51. Receiving groove; 6. Shock-absorbing body; 61. Soft outer layer; 611. Hollow cavity; 6111. Outer side wall; 6112. Inner side wall; 62. Hard inner core; 621. Columnar component; 622. Anti-rotation part; 63. Second locking hole; 641. First hollow cavity area; 642. Second hollow cavity area; 7. Drive shaft; 71. Bevel gear; 72. Limiting block; 73. First locking hole; 8. Connecting strip; 81. Connecting piece; 9. Rotating seat; 91. Limiting groove; 92. Bearing. Detailed Implementation

[0049] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0050] Example 1

[0051] like Figure 1 As shown in the figure, this embodiment 1 discloses a treadmill with adjustable hardness, which includes a frame 1, a running board 3, and a running belt (not shown in the figure). The frame 1 has a rectangular frame structure and includes two longitudinal beams extending along its length. The running board 3 is laid on the longitudinal beams of the frame 1. In this embodiment, there are multiple running boards 3, which are evenly laid on the frame 1 in the transverse direction. A wear-resistant plate 31 is provided on all the running boards 3. The running belt is arranged around the frame along its length and is laid on the wear-resistant plate 31 of the running board 3. A motor 2 is provided on the front side of the frame 1. The motor 2 drives the running belt roller 22 to rotate through the belt 21. The running belt roller 22 is located at the front and rear ends of the frame 1. The running belt is wound around the running belt roller 22 to realize the rolling of the running belt.

[0052] On the longitudinal beam of the frame 1, there are also shock-absorbing strips 5 extending along its length. The shock-absorbing strips 5 are provided with several upward-opening and evenly spaced receiving slots 51 along their length. Each receiving slot 51 contains a shock absorber 6. The uppermost end of the shock absorber 6 is flush with the shock absorber 5, so that the shock absorber 6 and the shock absorber 5 together support the running plate 3.

[0053] like Figure 2 as well as Figures 8 to 10As shown, a drive shaft 7 extending along the length direction is provided inside the damping strip 5. Multiple damping bodies 6 are sleeved on the drive shaft 7 and fixedly connected to the drive shaft 7, thus forming a complete damping body assembly located on two longitudinal beams of the frame 1. The two damping body assemblies together constitute a damping mechanism that supports the running plate 6. Multiple support seats 11 are provided on the longitudinal beams of the frame 1, evenly spaced along their length direction. The drive shaft 7 passes through the support seats 11 and is rotatably connected to the support seats 11. A damping body 6 is provided between two adjacent support seats 11.

[0054] The drive shaft 7 has a plurality of evenly spaced first locking holes 73 along its length, and the shock absorber 6 has a second locking hole 63. The first locking holes 73 and the second locking holes 63 are fitted with locking elements (not shown in the figure). The locking elements can be existing pins or bolts. When the first locking holes 73 and the second locking holes 63 are aligned, the locking elements are inserted into them to complete the fixed connection between the shock absorber 6 and the drive shaft 7.

[0055] like Figures 3 to 5 As shown, the damper 6 includes a rigid inner core 62 and a soft outer layer 61, with the soft outer layer 61 wrapped around the outside of the rigid inner core 62 by injection molding. The rigid inner core 62 is structurally constructed as a hollow cylindrical member 621, with radially outwardly protruding anti-rotation portions 622 on the outer wall of the hollow cylindrical member 621. The two anti-rotation portions 622 are symmetrically arranged in the radial direction. The soft outer layer 61 has an internal space adapted to the rigid inner core 62, and the anti-rotation portions 622 can fix the circumferential position of the rigid inner core 62 and the soft outer layer 61.

[0056] The soft outer layer 61 is made of a single material and has multiple hollowed-out cavities 611. These cavities extend axially and penetrate both axial end faces of the soft outer layer 61. Each hollowed-out cavity 611 is located in an arc-shaped area on the circumference of the corresponding hard inner core 62 where the anti-rotation portion 622 is not provided. The anti-rotation portion 622 divides the soft outer layer 61 into a first hollowed-out cavity region 641 and a second hollowed-out cavity region 642. The hollowed-out cavities 611 within the first hollowed-out cavity region 641 and the second hollowed-out cavity region 642 are symmetrically arranged about the radial center line of the anti-rotation portion 622. Among the hollowed-out cavities 611 in the first hollowed-out cavity region 641 and the second hollowed-out cavity region 642, the central cavity 611 has the largest volume, and the volume of the hollowed-out cavities 611 gradually decreases along the clockwise and counterclockwise directions. The hollow cavity 611 includes an inner wall 6112 and an outer wall 6111 along the radial direction from the inside to the outside. The lines connecting all the outer walls 6111 together form a circular arc, and the lines connecting all the inner walls 6112 together form an elliptical arc.

[0057] In this embodiment, the hollow cavity 611 with the largest volume of the soft outer layer 61 corresponds to the damper having the greatest deformation capacity in this radial support direction, thus making this location the softest. The soft outer layer 61 has the least deformation capacity in the radial support direction corresponding to the anti-rotation part 622, thus making this location the hardest. Furthermore, in this embodiment, the hollow cavity 611 of the soft outer layer 61 is divided into 90° regions, in which the volume of the hollow cavity 611 gradually increases or decreases in the radial direction, thus making the entire damper 6 a buffer region with different deformable capabilities in different radial support directions within this region.

[0058] In other embodiments of the present invention, the volume variation of the hollow cavity 611 is not limited to a 90° region division, but can extend to the entire circumferential direction. Specifically, the volume of the hollow cavity 611 on the soft outer layer 61 can be designed to continuously vary around the circumference of the damper 6. For example, the volume can start from a maximum value, continuously decrease with the change of angle, and reach a minimum value after circumferentially 360°, thereby forming a continuously gradually changing buffer characteristic curve around the damper.

[0059] In this embodiment, the running plate 3 consists of multiple individually arranged plates, each corresponding to a shock absorber 6, and each running plate 3 is individually supported on its corresponding shock absorber 6. In other embodiments, the running plate 3 may also be a single, integral plate supported on the shock absorber strip 5 and the shock absorber 6. Furthermore, a connecting strip 8 extending along the length direction is fixed to the longitudinal beam of the frame 1 by screws, and each running plate 3 is fixedly connected to the connecting strip 8 by a connector 81. The connector 81 can be any existing component used for fixing the running plate 3.

[0060] like Figure 2 as well as Figures 6 to 10 As shown, a driver and a transmission assembly driven by the driver are provided at the bottom front side of the frame 1. The driver is an existing motor 4, and the transmission assembly includes an output shaft 41 that is connected to the motor 4. Both ends of the output shaft 41 are connected to the transmission shafts 7 on both sides of the frame 1. The two ends of the output shaft 41 are fixed to a first gear 42, which meshes with a second gear 43. The second gear 43 has a bevel gear, and the end of the transmission shaft 7 is provided with a bevel gear 71 that meshes with the bevel gear structure of the second gear 43. This allows the motor 4 to synchronously drive the transmission shafts 7 on both sides to rotate, thereby achieving synchronous rotation angle of the shock absorber assemblies on both sides.

[0061] A rotating seat 9 is fixed on the frame 1. The drive shaft 7 passes through the rotating seat 9 and is rotatably connected to the rotating seat 9 via a bearing 92. A radially protruding limiting block 72 is provided on the outer wall of the drive shaft 7. The rotating seat 9 has a semi-circular arc-shaped limiting groove 91 on the rotation path of the limiting block 72. The two end walls of the arc-shaped limiting groove 91 form a blocking part to block the limiting block, thereby limiting the rotation angle of the drive shaft 7, so that the drive shaft 7 only reciprocates within a preset angle range of 180°.

[0062] Example 2

[0063] like Figure 11 and Figure 12 As shown, the difference between Embodiment 2 and Embodiment 1 lies in that the hollow cavity 611 of the soft outer layer 61 in Embodiment 2 is divided into 180° regions. Within these regions, the volume of the hollow cavity 611 gradually increases or decreases radially, thus creating buffer areas with different deformable capabilities in different radial support directions of the entire damping body 6. In Embodiment 1, the first hollow cavity region 641 and the second hollow cavity region 642 each contain two 90° regions. In Embodiment 2, the first hollow cavity region 641 and the second hollow cavity region 642 each contain only one 180° region. Furthermore, the anti-rotation part 622 in Embodiment 2 is only one.

[0064] In this embodiment 2, the arc-shaped limiting groove 91 of the rotating seat 9 is improved so that the transmission shaft 7 can reciprocate within a preset angle range of approximately 360°.

[0065] Example 3

[0066] like Figure 13 As shown, the difference between Embodiment 3 and Embodiment 1 is that the hollow cavity 611 of the soft outer layer 61 in Embodiment 3 is divided into regions of approximately 250° to 300°. Within these regions, the volume of the hollow cavity 611 gradually increases or decreases radially, thus creating buffer zones with different deformable capabilities in different radial support directions for the entire shock absorber 6. In Embodiment 1, the first hollow cavity region 641 and the second hollow cavity region 642 each contain two 90° regions. Embodiment 3 contains only one hollow cavity region. Furthermore, the anti-rotation part 622 in Embodiment 3 is only one.

[0067] In this embodiment 3, the arc-shaped limiting groove 91 of the rotating seat 9 is improved so that the transmission shaft 7 can reciprocate within a preset angle range of approximately 250° to 300°.

Claims

1. A treadmill with adjustable hardness, characterized in that: It includes a frame, a running board, and a running belt. The running board is supported on the frame, and the running belt is arranged around the length of the frame and laid on the running board. The frame is equipped with a shock absorption mechanism, which includes at least one set of shock absorber groups rotatably mounted on the frame. The shock absorber group consists of multiple independent shock absorbers arranged in series along the length of the treadmill and supports the running board. The damping body has buffer zones with different deformable capabilities in different radial support directions; By driving the shock absorber assembly to rotate around its axis, the support orientation of the shock absorber in contact with the running board is changed, thereby adjusting the overall stiffness of the running board.

2. The treadmill with adjustable hardness according to claim 1, characterized in that: The shock absorber assembly is provided with a drive shaft extending along the length of the frame. The drive shaft is rotatably mounted on the frame, and multiple shock absorbers are sequentially and coaxially sleeved and fixed on the drive shaft. The shock absorption mechanism includes two sets of shock absorber assemblies respectively located on the left and right sides of the frame. The frame is also provided with a driver and a transmission assembly driven by the driver. The transmission assembly is connected to the drive shaft of the two sets of shock absorber assemblies to drive them to rotate synchronously.

3. The treadmill with adjustable hardness according to claim 2, characterized in that: A circumferential limiting structure is provided between the drive shaft and each of the shock absorbers; the circumferential limiting structure is configured such that when the drive shaft rotates, it can drive all the shock absorbers to rotate synchronously, ensuring that the radial orientation of all the shock absorbers with the same softness and hardness is simultaneously aligned with the running board, so as to provide uniform support for the running board.

4. The treadmill with adjustable hardness according to claim 3, characterized in that: The shock absorber consists of a rigid inner core and a soft outer layer covering the rigid inner core circumferentially; the rigid inner core is sleeved on the drive shaft, and the circumferential limiting structure is provided between the two. The circumferential limiting structure includes locking holes formed on the shock absorber and the drive shaft. The locking holes extend in the radial direction and are equipped with locking elements. The locking elements are inserted into the locking holes to lock the shock absorber and the drive shaft.

5. The treadmill with adjustable hardness according to claim 4, characterized in that: The soft outer layer is cylindrical and has several hollow cavities evenly spaced along the circumferential direction. The hollow cavities extend along the axial direction of the soft outer layer and have different volumes to form a buffer area with different deformable capabilities in different radial support directions of the shock absorber.

6. The treadmill with adjustable hardness according to claim 5, characterized in that: The rigid inner core includes a cylindrical column, which is hollow to allow the drive shaft to be inserted. The outer wall of the column is provided with a radially protruding anti-rotation part to limit the circumferential position of the rigid inner core and the soft outer layer. The hollow cavities of the soft outer layer are all located in the arc-shaped area of ​​the hard inner core where the anti-rotation part is not provided in the circumferential direction.

7. The treadmill with adjustable hardness according to claim 5, characterized in that: The volume of the hollow cavity gradually increases or decreases along its circumferential direction.

8. The treadmill with adjustable hardness according to claim 6, characterized in that: The anti-rotation part divides the soft outer layer into a first hollow cavity region and a second hollow cavity region. The hollow cavities in the first hollow cavity region and the second hollow cavity region are symmetrically arranged with the radial center line of the anti-rotation part as the axis of symmetry.

9. The treadmill with adjustable hardness according to any one of claims 2 to 8, characterized in that: A rotating seat is fixed on the frame. The drive shaft passes through the rotating seat and is rotatably connected to the rotating seat. A radially protruding limiting block is provided on the outer wall of the drive shaft. A blocking part is provided on the rotation path of the limiting block. The blocking part is used to block the limiting block to limit the rotation angle of the drive shaft, so that the drive shaft reciprocates only within a preset angle range.

10. The treadmill with adjustable hardness according to any one of claims 1 to 8, characterized in that: The frame is provided with shock-absorbing strips extending along its length. The shock-absorbing strips are provided with several upward-opening receiving slots. Each receiving slot contains a shock-absorbing body. The shock-absorbing body and the shock-absorbing strips together support the running plate. The running board is a single, integral piece supported on the shock-absorbing strips and shock-absorbing body; or The running board consists of multiple separately set panels, each corresponding to a shock absorber, and each running board is individually supported on its respective shock absorber.

Images