Multifunctional climbing training machine

Abstract

The utility model provides a multifunctional climbing training machine. The multifunctional climbing training machine comprises a fixing frame, a pedal and a handle. Inclined sliding rods are arranged on the two sides of the fixing frame, the two sliding rods are connected with the pedal, and the pedal slides relative to the sliding rods. Supporting rods are arranged on the two sides of the back face of the fixing frame, and telescopic adjusting rods are connected below the supporting rods. The handle is used for being held by two hands, and the handle is connected to the pedal or the supporting rod. During movement, the inclination angle of the sliding rod can be adjusted by adjusting the adjusting rod to different heights where the adjusting rod extends out of the supporting rod, meanwhile, the handle is correspondingly fixed to the pedal or the supporting rod, and therefore the multifunctional climbing ladder can be adjusted to be in the two movement postures of climbing and ladder climbing, and the multifunctional climbing ladder has the function of adjusting the multiple movement postures. Therefore, when the climbing training machine is used for exercising, an exerciser can adaptively adjust the sliding gradient of the pedal according to the height difference of individuals, the training intensity requirement or the exercise rehabilitation requirement, so that the climbing training machine has better applicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of body -building equipment especially points to a multifunctional climbing training machine. BACKGROUND

[0002] Traditional climbing training machine as aerobic training instrument, mainly through simulating climbing stairs action realizes the effect of exercise. In the prior art (such as the patent literature shown in application No. CN201620736295.3 and CN202120236143.8 etc.), most stair machines adopt fixed gradient design, make the pedal slide along the gradient and form the structure that can simulate climbing. This fixed gradient leads to the unchangeable exercise intensity, and the exerciser cannot adjust the corresponding exercise posture according to the individual height difference, training intensity or exercise rehabilitation demand, and the applicability is poor. SUMMARY

[0003] In view of the deficiencies in the above background art, the utility model provides a multifunctional climbing training machine.

[0004] The utility model adopts the following technical scheme:

[0005] A multifunctional climbing training machine, characterized in that the climbing training machine comprises:

[0006] A fixed frame, the front of the fixed frame is provided with sliding rods on both sides, a first transition wheel is arranged above the two sliding rods of the fixed frame, a plurality of adjusting wheels are arranged below the two sliding rods of the fixed frame, support rods are arranged on both sides of the back of the fixed frame, the support rods are connected with telescopic and fixed adjusting rods below, and the support rods and the adjusting rods lift the upper ends of the sliding rods to make the sliding rods inclined.

[0007] Two pedals, the two pedals are respectively used for double-foot pedaling, and the two pedals are respectively arranged on both sides of the fixed frame to slide relative to the two sliding rods respectively, the upper ends of the pedals are connected with first elastic bands, the first elastic bands pass above the first transition wheel, the lower ends of the two pedals are connected with second elastic bands, and the second elastic bands pass below one of the adjusting wheels.

[0008] Two handles, the two handles are respectively used for double-hand holding.

[0009] Wherein, the two ends of the handle are respectively holding end and mounting end, the mounting ends of the two handles are respectively detachably connected to the two pedals, or the mounting ends of the two handles are respectively detachably inserted into the upper ends of the support rods.

[0010] In a possible implementation, the fixed frame is fixedly connected with a connecting rod between the two slide rods, the connecting rod is provided with a clearance slot on both sides, each adjusting wheel is embedded in the clearance slot, and the center of each adjusting wheel is provided with a fixed screw, the shank of the fixed screw passes through one side of the connecting rod, passes through the adjusting wheel, and is screwed with the other side of the connecting rod.

[0011] In a possible implementation, the second transition wheel is arranged on the lower end of one side of the fixed frame close to the middle, and the two ends of the second elastic belt are respectively arranged around the second transition wheels of the two pedals and are connected and fixed with the pedals.

[0012] In a possible implementation, the supporting rod is a hollow pipe, the adjusting rod penetrates from the bottom surface of the supporting rod, the side surface of the adjusting rod is provided with a row of adjusting holes, and the supporting rod is screwed with a first screw, and the shank of the first screw penetrates one of the adjusting holes in the supporting rod.

[0013] In a possible implementation, the fixed frame further comprises a first bottom rod and a second bottom rod, the two ends of the first bottom rod are respectively connected to the bottom of the two slide rods, and the two ends of the second bottom rod are respectively connected and fixed with the two adjusting rods.

[0014] In a possible implementation, the pedal is fixed with a sliding seat below, the two sides of the sliding seat are respectively provided with a first pulley and a second pulley, and the sliding seat is provided with two first pulleys or two second pulleys, the sliding seat is sleeved outside the slide rod, and the first pulley and the second pulley are respectively adapted to slide outside the two sides of the slide rod.

[0015] In a possible implementation, the two sides of the bottom of the pedal are respectively provided with mounting plates, the sliding seat is sleeved between the two mounting plates, and the upper end of the sliding seat is connected with the two mounting plates through a rotating shaft; the sliding seat is screwed with a second screw, the lower end of the mounting plate is provided with a plurality of strip-shaped holes, and the second screw is screwed with the sliding seat after penetrating one of the strip-shaped holes.

[0016] In a possible implementation, the mounting end of the handle is provided with a mounting hole on the side surface, the mounting hole is penetrated with a mounting screw, the mounting screw is screwed with the sliding seat after penetrating the side surface of the mounting end, and the mounting end of the handle is fixed below the pedal.

[0017] In a possible implementation, the mounting end of the handle is provided with a mounting hole on the side surface, the mounting hole is penetrated with a mounting screw, the mounting screw is screwed into the supporting rod and the mounting hole after the mounting end of the handle is inserted into the supporting rod, and the mounting end of the handle is fixed below the pedal.

[0018] In a possible implementation, the two sides of the fixing frame are fixed with limiting seats, the upper and lower ends of the limiting seats are connected with rotatable roller shafts, the roller shafts are concave in the annular surface in the middle, the two handles pass through the two limiting seats, and the handles are adapted to pass through the sliding grooves of the two roller shafts.

[0019] From the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages: by adjusting the adjusting rod to different heights of the support rod, the angle of the sliding rod relative to the ground can be adjusted, and the handle is fixed to the pedal or the fixing frame accordingly, so that the utility model can be adjusted to two motion postures of climbing and ladder climbing, and the utility model has the function of adjusting multiple motion postures. Therefore, when the climbing training machine of the utility model is used for exercise, the exerciser can adjust the corresponding motion posture according to the individual height difference, training intensity requirement or motion rehabilitation requirement, so that the utility model has better applicability. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the three-dimensional structure of the utility model.

[0021] Figure 2 It is a schematic view of the three-dimensional structure of the utility model. Figure 1 It is a schematic view of the three-dimensional structure of the utility model.

[0022] Figure 3 It is a schematic view of the three-dimensional structure of the utility model.

[0023] Figure 4 It is a schematic view of the three-dimensional structure of the utility model.

[0024] Figure 5 It is a schematic view of the three-dimensional structure of the utility model.

[0025] Figure 6 It is a schematic view of the three-dimensional structure of the utility model.

[0026] Figure 7 It is a schematic view of the three-dimensional structure of the utility model.

[0027] Figure 8 It is a schematic view of the three-dimensional structure of the utility model. Figure 7 It is a schematic view of the three-dimensional structure of the utility model.

[0028] Figure 9 It is a schematic view of the three-dimensional structure of the utility model.

[0029] Figure 10 It is a schematic view of the three-dimensional structure of the utility model.

[0030] Figure 11 This is a schematic diagram of the present invention after the sliding rod has swung to a tilt of 66°. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this application clearer, the application will now be described in further detail with reference to the accompanying drawings.

[0032] Hereinafter, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature.

[0033] Furthermore, in this application, directional terms such as "upper" and "lower" are defined relative to the orientation of the components shown in the accompanying drawings. It should be understood that these directional terms are relative concepts, used for relative description and clarification, and can change accordingly depending on the orientation of the components in the accompanying drawings.

[0034] This utility model provides a multifunctional climbing training machine, as shown in the attached figure. Figure 1 As shown, the climbing training machine includes a fixed frame 1, two pedals 2, and two handles 3. See also the attached diagram. Figure 4 The fixing frame 1 includes a sliding rod 11, a connecting rod 12, a support rod 13, a first base rod 14, and a second base rod 15. Sliding rods 11 are provided on both sides of the connecting rod 12 to form the front of the fixing frame 1. The two ends of the first base rod 14 are respectively connected to the bottom of the two sliding rods 11. Both sliding rods 11 are connected to the support rods 13 to form the back of the fixing frame 1. The two ends of the second base rod 15 are respectively connected to the bottom of the two support rods 13, and the two support rods 13 support the upper ends of the two sliding rods 11, causing the two sliding rods 11 to tilt. When the fixing frame 1 is placed on the ground, the first base rod 14 and the second base rod 15 respectively support the sliding rods 11 and the support rods 13, forming a stable structure that props the sliding rods 11 diagonally against the ground.

[0035] The two pedals 2 are used for pedaling with both feet, and the two pedals 2 are respectively set on both sides of the fixed frame 1 and slide relative to the two slide rods 11. See also the attached... Figure 4 and 9, two adjusting rods 16 are fixed on the two ends of the second bottom rod 15, and a row of adjusting holes 161 are arranged on the side of the adjusting rod 16, the support rod 13 is a hollow pipe, the two adjusting rods 16 are respectively inserted from the bottom of the two support rods 13, and the support rod 13 is externally screwed with the first bolt 17, when the stud of the first bolt 17 is inserted into any adjusting hole 161, the adjusting rod 16 is fixed relative to the support rod 13, so that the second bottom rod 15 is fixed below the support rod 13, and by inserting the stud of the first bolt 17 into different adjusting holes 161, the length of the adjusting rod 16 extending out of the support rod 13 can be adjusted, so that the upper end of the sliding rod 11 is lifted to different heights, thereby adjusting the angle of the sliding rod 11 relative to the ground, for example, 46° as shown in the attached Figure 10 .

[0036] The structure that the pedal 2 is connected to slide on the sliding rod 11 can be as shown in the attached Figure 5 and 6 , two mounting plates 21 are arranged on the bottom of the pedal 2, the sliding seat 4 is fixed between the two mounting plates 21, the first pulley 41 and the second pulley 42 are respectively arranged on the two sides of the sliding seat 4, and the sliding seat 4 is provided with two first pulleys 41 or two second pulleys 42, and in this embodiment, the sliding seat 4 is preferably provided with two first pulleys 41 on the front side, the sliding seat 4 is sleeved on the sliding rod 11, so that the first pulley 41 and the second pulley 42 are respectively adapted to slide on the front side and the back side of the sliding rod 11, thereby limiting the pedal 2 to slide only relative to the sliding rod 11. Further, the upper ends of the two mounting plates 21 and the sliding seat 4 are connected by a rotating shaft 43, so that the sliding seat 4 and the pedal 2 can rotate relative to each other, the sliding seat 4 is also screwed with the second bolt 44, and the lower end of the mounting plate 21 is provided with a plurality of strip-shaped holes 201, after the second bolt 44 is inserted through one of the strip-shaped holes 201 and is screwed with the sliding seat 4, the pedal 2 can be fixed on the sliding seat 4, and by inserting the second bolt 44 through different strip-shaped holes 201, the pedal 2 can be swung to different angles relative to the sliding rod 11, thereby adjusting the angle of the body bending when the exerciser stands on the two pedals 2, so as to adjust the exercise intensity of the exerciser.

[0037] As shown in the attached Figure 3 and 4As shown, a rotatable first transition wheel 51 is provided above the two sliding rods 11 in the fixing frame 1, and several adjusting wheels 53 are provided below the connecting rod 12 between the two sliding rods 11 in the fixing frame 1. The upper ends of the two pedals 2 are connected to a first elastic band 22, which passes over the top of the first transition wheel 51, and the lower ends of the two pedals 2 are connected to a second elastic band 23, which passes over the bottom of one of the adjusting wheels 53. Preferably, the lower end of the pedal 2 near the middle of the fixing frame 1 is provided with a second transition wheel 52, and both ends of the second elastic band 23 pass over the second transition wheels 52 of the two pedals 2 and are then connected and fixed to the pedals 2. In the above structure, the first elastic band 22 and the second elastic band 23 can form a pull on the two pedals 2, keeping the two pedals 2 relatively horizontal. After both feet step on the two pedals 2 respectively, the second elastic band 23 can be used to pull the pedals 2. Figure 1 For example, when the pedal 2 on the left side of the fixed frame 1 is pressed down, the first elastic band 22 generates resistance to pressing down the pedal 2. While the pedal 2 pulls the first elastic band 22 down towards the left side of the fixed frame 1, the other end of the first elastic band 22 pulls the right pedal 2 up, creating an alternating up-and-down sliding motion between the pedals 2 on both sides of the fixed frame 1. Simultaneously, the second elastic band 23 generates a pulling force that holds the right pedal 2 down, thus creating resistance to pressing down the left pedal 2.

[0038] Furthermore, by wrapping the second elastic band 23 around different adjusting wheels 53, the second elastic band 23 can be adjusted to different stretching lengths, thereby changing the elastic force with which the second elastic band 23 returns to its original length, and thus adjusting the tension of the second elastic band 23 in pulling the two pedals 2 together. See also the appendix. Figure 2 The connecting rod 12 is provided with a relief groove 121 that runs through both sides. Each adjusting wheel 53 is embedded in the relief groove 121, and a fixing bolt 54 is installed in the center of each adjusting wheel 53. The stud of the fixing bolt 54 passes through one side of the connecting rod 12 and through the adjusting wheel 53, and then is spirally connected to the other side of the connecting rod 12 so that the adjusting wheel 53 is restricted to rotating in the relief groove.

[0039] When it is necessary to adjust the second elastic band 23 to pass around different adjusting wheels 53, the adjusting wheel 53 blocking the second elastic band 23 can be removed by unscrewing the fixing bolt 54, and then the adjusting wheel 53 can be reinstalled. (See attached image) Figure 2For example, when the second elastic band 23 is adjusted to be wound around the lower adjustment wheel 53, the lower second adjustment wheel 53 can be removed, and the removed adjustment wheel 53 is inserted into the accommodation slot 121 and sleeved on the second elastic band 23. Then, the adjustment wheel 53 is pushed to the center position corresponding to the position where the previously unscrewed fixing bolt 54 is installed, and the shank of the fixing bolt 54 is screwed through the connecting rod 12 and the adjustment wheel 53 and is screwed and fixed, so that the tension of the second elastic band 23 pulling the pedal 2 is completed. As can be seen, by winding the second elastic band 23 around different adjustment wheels 53, the tension of the second elastic band 23 pulling the pedal 2 downward can be adjusted, the resistance of the pedal 2 is adjusted, and the function of the adjustable resistance of the pedal 2 is formed.

[0040] Further referring to the accompanying drawings Figure 1 and 4 The two handles 3 are respectively used for holding with both hands. The two ends of the handle 3 are respectively a holding end 31 and a mounting end 32, and the mounting end 32 of the two handles 3 is respectively detachably connected and fixed to the two pedals 2, or the mounting end 32 of the two handles 3 is respectively detachably inserted into the upper end of the support rod 13 and fixed. Specifically, the support rod 13 can be a hollow pipe, so that the handle 3 is inserted from the upper end of the support rod 13. The above fixing structure of the handle 3 can provide additional support points for the exerciser, which is beneficial to keep the body balanced during exercise, helps the exerciser to maintain a stable exercise rhythm, and thus enhances the exercise effect. And by holding the handle 3, it is also beneficial for the exerciser to more easily maintain the correct exercise posture, so as to more effectively exercise the target muscle group and reduce the risk of injury caused by improper posture. For example, when the support rod 13 lifts the slide rod 11 to 46° as shown, the two handles 3 are respectively fixed to the two pedals 2, when the exerciser steps on the two pedals 2 with both feet and holds the holding part of the two handles 3 with both hands, the exerciser's body as a whole assumes an inclined posture, forming a simulated climbing exercise posture. When the support rod 13 lifts the slide rod 11 to 66° as shown in the accompanying drawings, the two handles 3 are respectively fixed to the upper ends of the two support rods 13, when the exerciser steps on the two pedals 2 with both feet and holds the holding part of the two handles 3 with both hands, the exerciser's body assumes a slightly forward-leaning posture, forming a simulated climbing exercise posture. Figure 11

[0041] Specifically, in the simulated climbing exercise posture, after stepping on the two pedals 2 with both feet, holding the handle 3 fixed to the two pedals 2 with both hands, the handle 3 slides with the up-and-down sliding of the pedal 2 during exercise, which can simulate the synchronous movement state of leg stepping and arm pulling during climbing exercise, and enhance the effect of whole-body exercise. In the simulated climbing exercise posture, after stepping on the two pedals 2 with both feet, holding the handle 3 fixed to the support rod 13 with both hands, alternatively stepping on the two pedals during exercise can effectively exercise the lower limb muscle group, and can reduce the joint impact on the knee joint, and holding the handle 3 fixed to the support rod 13 with both hands can keep the body in a relatively upright state.​

[0042] The mounting end 32 of the handle 3 can be connected to the pedal 2 in a manner as shown in Fig. 2, i.e. a mounting hole (not shown) is arranged on the side of the mounting end 32 of the handle 3, and a mounting bolt 33 is arranged in the mounting hole, and the mounting bolt 33 is screwed into the slide 4 after penetrating through the side of the mounting end 32, so as to fix the mounting end 32 of the handle 3 to the pedal 2. Figure 5 The mounting end 32 of the handle 3 can be connected to the pedal 2 in a manner as shown in Fig. 2, i.e. a mounting hole (not shown) is arranged on the side of the mounting end 32 of the handle 3, and a mounting bolt 33 is arranged in the mounting hole, and the mounting bolt 33 is screwed into the slide 4 after penetrating through the side of the mounting end 32, so as to fix the mounting end 32 of the handle 3 to the pedal 2. Figure 11 The mounting end 32 of the handle 3 can be connected to the pedal 2 in a manner as shown in Fig. 2, i.e. a mounting hole (not shown) is arranged on the side of the mounting end 32 of the handle 3, and a mounting bolt 33 is arranged in the mounting hole, and the mounting bolt 33 is screwed into the slide 4 after penetrating through the side of the mounting end 32, so as to fix the mounting end 32 of the handle 3 to the pedal 2.

[0043] Therefore, the slope of the slide rod can be adjusted downwards to simulate the climbing posture, or the slope of the slide rod can be adjusted upwards to simulate the climbing posture, and a smaller slope can be selected to reduce the exercise difficulty, for example, the slide rod 11 is adjusted to 46° as shown in Fig. 2, so as to form a light climbing exercise mode. Figure 10 For the exerciser who wants to improve the exercise intensity, a larger slope can be selected, for example, the slide rod 11 is adjusted to 66° as shown in Fig. 3, so as to form a medium-high intensity climbing exercise mode. Figure 11

[0044] In addition, preferably, as shown in Figs. 2 and 3, the fixing frame 1 is provided with a limiting seat 18 on each side, and the upper and lower ends of the limiting seat 18 are connected to rotatable roller shafts 181, and the middle annular surface of the roller shaft 181 is concave to form a sliding groove (not labeled in the figure), when the handle 3 is fixed to the pedal 2, the handle 3 can pass through the limiting seat 18, and the handle 3 is adapted to pass through the sliding groove between the two roller shafts 181, and then the handle 3 is pushed into the slide 4 to be fixed, so as to limit the handle 3, i.e. the handle 3 can only slide linearly relative to the length direction of the slide rod 11, so as to ensure the stability of the handle 3 sliding with the pedal 2. Figure 7 8

[0045] ​​​In conclusion, the structure of the utility model, through the second elastic band 23 to around different adjusting wheel 53 can adjust the pulling force of the second elastic band 23 to pull down pedal 2, to adjust the resistance of the pedal 2, thereby forming the function of adjustable resistance of pedal 2. By adjusting the adjusting rod 16 to the different height of the extension support rod 13, the angle of the adjusting slide rod 11 relative to the ground can be adjusted, and the handle 3 is fixed to the pedal 2 or the fixing frame 1, that is, the utility model can be adjusted to two exercise postures of climbing and ladder climbing, so that the utility model has the function of adjusting multiple exercise postures. Therefore, the utility model can realize multiple adjustment functions to adapt to the exercise needs of different exercisers.

[0046] The above is only the specific embodiment of the utility model, but the design concept of the utility model is not limited to this, and any non-essential change of the utility model by using this concept should belong to the act of infringing the protection scope of the utility model.

Claims

1. A multifunctional climbing training machine, characterized in that, The climbing training machine includes: A fixed frame is provided with sliding rods on both sides of the front of the fixed frame. A first transition wheel is provided above the two sliding rods of the fixed frame. Several adjusting wheels are provided below the two sliding rods of the fixed frame. Support rods are provided on both sides of the back of the fixed frame. A telescopic and fixed adjusting rod is connected to the support rod. The support rod and the adjusting rod lift the upper end of the sliding rod, so that the sliding rod is tilted. Two pedals are provided, each for pedaling with both feet. The two pedals are respectively located on both sides of the fixed frame to slide relative to the two slide bars. The upper end of each pedal is connected to a first elastic band that passes over the top of the first transition wheel. The lower end of each pedal is connected to a second elastic band that passes over the bottom of one of the adjusting wheels. Two handles, each designed for gripping with both hands; The handle has a gripping end and a mounting end at its two ends, respectively. The mounting ends of the two handles are detachably connected to the two pedals, or the mounting ends of the two handles are detachably inserted into the upper end of the support rod.

2. The climbing training machine as described in claim 1, characterized in that, The fixing frame is a middle connecting rod between the two sliding rods. The connecting rod is provided with a relief groove that runs through both sides. Each of the adjusting wheels is embedded in the relief groove, and a fixing bolt is installed in the center of each of the adjusting wheels. The stud of the fixing bolt passes through one side of the connecting rod and through the adjusting wheel, and is then spirally connected to the other side of the connecting rod.

3. The climbing training machine as described in claim 1 or 2, characterized in that, A second transition wheel is provided at the lower end of the side of the pedal near the middle of the fixing frame. The two ends of the second elastic band pass over the second transition wheels of the two pedals and are then connected and fixed to the pedals.

4. The climbing training machine as described in claim 1, characterized in that, The support rod is a hollow tube. The adjusting rod passes through the bottom surface of the support rod. A row of adjusting holes is provided on the side of the adjusting rod. The support rod is externally connected to a first bolt. The stud of the first bolt passes through one of the adjusting holes inside the support rod.

5. The climbing training machine as described in claim 4, characterized in that, The fixing frame also includes a first base rod and a second base rod. The two ends of the first base rod are respectively connected to the bottom of the two sliding rods, and the two ends of the second base rod are respectively connected and fixed to the two adjusting rods.

6. The climbing training machine as described in claim 1, characterized in that, The pedal is fixed with a slide block, and a first pulley and a second pulley are respectively provided on both sides of the slide block. The slide block is provided with two first pulleys or two second pulleys. The slide block is sleeved on the slide rod so that the first pulley and the second pulley are adapted to slide on both sides of the slide rod.

7. The climbing training machine as described in claim 6, characterized in that, Mounting plates are provided on both sides of the bottom of the pedal. The slide is fitted between the two mounting plates. The upper ends of the two mounting plates and the slide are connected by a pivot. The slide is helically connected to a second bolt. The lower end of the mounting plate is provided with several strip holes. The second bolt passes through one of the strip holes and is helically connected to the slide.

8. The climbing training machine as described in claim 6, characterized in that, The mounting end of the handle is provided with a mounting hole on its side. A mounting bolt passes through the mounting hole and is screwed to the slide after passing through the side of the mounting end, so that the mounting end of the handle is fixed to the pedal.

9. The climbing training machine as described in claim 1, characterized in that, The mounting end of the handle is provided with a mounting hole on its side. A mounting bolt is inserted through the mounting hole. After the mounting end of the handle is inserted into the support rod, the mounting bolt spirally passes through the support rod and into the mounting hole, so that the mounting end of the handle is fixed to the foot pedal.

10. The climbing training machine as described in any one of claims 1, 8, and 9, characterized in that, Both sides of the fixed frame are fixed with limiting seats, and the upper and lower ends of the limiting seats are connected to rotatable rollers. The annular surface in the middle of the rollers is concave to form a sliding groove. The two handles pass through the two limiting seats respectively, and the handles are adapted to pass through the sliding grooves of the two rollers.

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