KR102001346B1 - Manual Reversing Machine with Reverse Motion - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a manual luffing device capable of performing an inverse movement capable of inverse movement.
The present invention relates to a main frame for fixing a manual luffing device to the ground; A lower handle member formed at a lower end of the main frame and gripped by the user to rotate the user's upper body downward; A driving frame including a supporting frame coupled to a lower portion of the cushion member, and a rotation bracket disposed at a lower portion of the supporting frame and rotatably coupled to the main frame; And a fixing frame coupled to the driving frame and fixing the lower body of the user.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manual reversing machine,

More particularly, the present invention relates to a manual luffing device capable of reversing motion in which a user can perform reverse luffing motion in a safe and comfortable posture, .

In general, the exercise device for the wrestler, the so-called leech playground, is a fitness device that reverses the gravity by placing the user upside down with the legs of the user facing up and head downward. It is known to be helpful.

In addition, the movement of the backrest by the back-and-forth exercising apparatus can obtain a hanging effect, so that the spinal joints and the like, which have always been pressed down, can be relaxed,

However, a general lumbar stretcher may cause the muscles to relax by hanging the whole body upside down. However, hypertension patients, elderly people with weak muscles and patients who are overly tilted on the pedestal may exacerbate the symptoms, .

Further, in the case of the beginner, the muscles can be stiffened by the fear of rotation of the base plate, and when the head is fixed to the ankle, the ankle muscles can be overcome.

Accordingly, Korean Utility Model No. 20-2015-0000439 (hereinafter referred to as "Prior Art Document") discloses a technique for supporting a lower body under the pelvis of a human body, so that only the upper body is medially inverted, and a frame, a lower body support bar, Which is composed of a half-fold.

However, according to the above-described prior art document, there is still a problem that when the user stands upright in a state in which the head is directed downward, the user has excessive load on the waist due to the absence of the member for supporting the upper body.

Particularly, since a user who is on a pedestal manually rotates the pedestal to turn the body upside down or in-situ, it is difficult for a woman or a senior citizen who has weak arms to maintain a certain angle in a state of rotating the body upside down, There is a problem.

Korean Utility Model No. 20-2015-0000439

In order to solve such a problem, the present invention is devised by the above-described background art, and it is an object of the present invention to provide a safety and comfortable typing exercise by allowing the knee to be fixed, The present invention is directed to a manual reclining device capable of performing an inverse motion.

In addition, since the rotation of the user's thigh or the driving frame on which the abdomen is seated can not be performed, the user can perform the inverse movement of the hip joint and the vertebrae through the inversion movement of the upper body of the user, The object of the present invention is to provide an exercise device.

In addition, the present invention provides a lower handle that grips the rear portion of the main frame before the user takes a posture for the back and forth motion, thereby preventing sudden rotation of the driving frame, and at the same time, Which is capable of minimizing the fear of being transmitted to the user during the luffing motion.

In addition, the present invention provides a manual luffing device capable of reversing motion to prevent a load on the user's ankle and hamstring when the luffing and inverting exercises are performed by supporting the inner surface of the user's calf, knee, and thighs The purpose is to provide.

It should be understood, however, that the scope of the present invention is not limited thereto, but includes any object or effect which can be understood from the solution or the embodiment of the present invention without explicitly mentioning it.

According to an embodiment of the present invention, there is provided a main frame for fixing a manual recking device to a ground. A lower handle member formed at a lower end of the main frame and gripped by the user to rotate the user's upper body downward; A driving frame including a supporting frame coupled to a lower portion of the cushion member, and a rotation bracket disposed at a lower portion of the supporting frame and rotatably coupled to the main frame; And a fixing frame coupled to the driving frame and fixing the lower body of the user.

According to an embodiment of the present invention, the main frame includes a front leg frame, which is formed on the front lower side and has a leg connecting panel on one side thereof, a top supporting frame coupled to both sides of the upper side of the front leg frame, A first support frame, which is formed on the upper support frame and includes a connection frame rotatably engaged with the rotation bracket; A rear leg frame coupled to the leg connecting panel, and a second supporting frame to which the bottom handle member is coupled; And an adjusting member coupled to the front leg frame and controlling the rotational operation of the rear leg frame.

According to an embodiment of the present invention, the adjustment member includes: an engaging projection formed on one side of the rear leg frame; A guide pin passing through both the rear leg frame and the leg connecting panel and having one end detachably engaged with the engaging projection; A pin fixing plate formed at the other end of the guide pin; An adjusting bracket formed with a pin fixing protrusion to which the pin fixing plate is detachably coupled; And restoring means for restoring the position of the guide pin.

According to an embodiment of the present invention, the support frame includes an upper support frame for supporting the upper portion of the lower surface of the cushion member; A lower support frame for supporting a lower portion of the lower surface of the cushion member and coupling the rotation bracket to a lower end portion; A cushion support frame connecting the upper support frame and the lower support frame; An upper handle member gripping the body when the user makes contact with the cushion member; A stationary guide frame formed on the upper and lower support frames and coupled with the stationary frame; And a safety member formed on the rotation bracket for controlling the rotation of the driving frame.

According to an embodiment of the present invention, the safety member includes: a rotation support shaft having the rotation bracket and the main frame coupled to each other and the magnetization panel being formed at an end thereof; A magnetizing means for magnetizing the magnetizing panel by forming a magnetic line of force according to power application; A drive motor for rotating the rotation support shaft; An attaching panel for attaching the magnetizing means to the drive motor; And a plurality of power switches configured to control magnetization of the magnetizing unit and whether the driving motor is driven.

According to an embodiment of the present invention, the fixed frame includes: a coupling frame coupled with the support frame; A first length-adjusting frame having an upper end coupled to a lower portion of the coupling frame so as to be adjustable in length, and a lower end bent; A second length adjusting frame inserted into the bent lower end of the first length adjusting frame so as to be adjustable in length; And a lower body fixed cushion which is formed at an end of the second length adjusting frame and in which the lower body of the user is closely contacted and fixed.

According to the embodiment of the present invention, the knee is fixed and the thigh or the abdomen are closely contacted to each other and rotated by 90 degrees to enjoy the lurching motion, so that safe and comfortable lurching exercise is possible.

In addition, according to the embodiment of the present invention, since the rotation of the user's thigh or the driving frame on which the abdomen is seated is not performed, the effect of the muscular strengthening motion of the hip joint and the vertebrae can be achieved through the inversion movement of the upper body of the user.

In addition, according to the embodiment of the present invention, there is an effect that a rotational operation of a driving frame can be prevented suddenly by constituting a lower handle which is gripped before a user takes a posture for back and forth motion in the rear part of the main frame .

In addition, according to the embodiment of the present invention, since the user controls the rotation range of the driving frame, there is an effect of minimizing the fear feeling transmitted to the user during the lurching motion.

In addition, according to the embodiment of the present invention, it is possible to prevent the load on the ankle and the hamstring of the user from being burdened when performing the luffing and inversion movements by supporting the user's inner surface of the calf, knee and thigh.

In addition, the various and advantageous advantages and effects of the present invention are not limited to the above description, and can be more easily understood in the course of describing a specific embodiment of the present invention.

FIG. 1 is a perspective view schematically illustrating a manual luffing device capable of reversing movement according to an embodiment of the present invention;
FIG. 2 is a side view schematically showing a manual repositioning exercise device capable of reversing movement according to an embodiment of the present invention;
3 is a view illustrating a lower handle member of a main frame according to an embodiment of the present invention,
FIG. 4 is a view showing a leg angle adjusting member of a main frame according to an embodiment of the present invention, FIG.
5 is a rear view of a driving frame of a manual repositioning exercise device capable of reversing motion according to an embodiment of the present invention,
6 is a view illustrating a safety member of a driving frame according to an embodiment of the present invention,
7 to 9 are views showing the use of a manual repositioning exercise device capable of reversing movement according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected to or connected to the other component, It should be understood that an element may be "connected," "coupled," or "connected."

1 and 2 are schematic views of a manual repositioning exercise device capable of reversing movement according to an embodiment of the present invention, FIGS. 3 and 4 are views showing a main frame according to an embodiment of the present invention, and FIG. 5 And FIG. 6 is a view showing a driving frame of a driving frame according to an embodiment of the present invention, and FIGS. 7 to 9 are views showing a use state of a manual louver driving apparatus capable of inversion movement according to an embodiment of the present invention .

As shown in the figure, the manual reel driving apparatus capable of reversing motion of the present invention includes a main frame 100, a driving frame 200, and a stationary frame 300.

The main frame 100 includes a first and second support frames 110 and 120, a lower handle member 130, and a second support frame 130. The main frame 100 supports the manual repositioning device on the ground, A control member 140 and a connection frame 150. [

The first support frame 110 includes a front leg frame 112 formed at the front lower side of the manual regrowth apparatus and formed in a shape of 'n' And a support rib 114 connecting both sides to improve the supporting force of the first support frame 110.

The first supporting frame 110 has a front supporting pad (not shown) for preventing the manual reaming unit from being moved by the user's movement force when the manual reaming unit is stably fixed to the ground at the lower end, 116).

The front supporting pad 116 may be made of a rubber material having excellent adhesion to the ground, but is not limited thereto.

The first support frame 110 is formed with a connection frame 150 which is rotatably coupled to the rotation support shaft 230 and the rotation bracket 240 of the drive frame 200 to be described later.

At this time, the connection frame 150 is integrally formed with the upper support frame 118, the lower end of which is formed on the upper portion of the first support frame 110, and the opposite ends of which are respectively coupled to both sides of the upper portion of the front leg frame 112 Is inserted into the rotation bracket 240 while passing through the center of the upper end of the front leg frame 112 and is coupled with the rotation bracket 240 by the rotation support shaft 230.

In addition, the first support frame 110 may be coupled to the second support frame 120 to be orthogonal to the rear support frame 110, and may be integrally formed by a method such as welding.

However, the present invention is not limited to this, and may be configured such that the second supporting frame 120 is rotationally operated from the first supporting frame 110 by a predetermined angle according to the operation of the adjusting member 140, 112 is further constituted by a leg connecting panel 112a.

The leg connecting panel 112a extends perpendicularly to the rear portion of the front leg frame 112 of the first leg frame 110 and is inserted into the distal end of the second leg frame 120, The second support frame 120 is rotated by a predetermined angle from the front leg frame 112 with respect to the axial center of the guide pin 145 .

The second support frame 120 is configured at the rear of the first support frame 120 and provides a predetermined support force to the rear portion of the manual rehabilitation device. The rear support frame 122 and the back support pad 124 ).

The rear leg frame 122 is coupled to the front leg frame 112 in an orthogonal manner. At the lower end of the rear leg frame 122, a rear supporting pad 124 is formed to closely contact the ground.

Here, it is preferable that the rear supporting pad 124 is made of the same material as the front supporting pad 116 described above.

In addition, the rear leg frame 122 can support the upper body before the upper body rotates so that the user's head is directed downward in order to perform a lurching motion at the lower end, thereby causing the fear that occurs when the user's upper body is turned upside down A lower handle member 130 is formed.

Particularly, the lower handle member 130 can adjust the rotational speed of the upper body to a desired speed by rotating the upper body downward while the user holds the lower handle member 130 to perform the lurching motion will be.

At this time, the rotation of the upper body is performed by the rotation operation of the driving frame 200 and the fixed frame 300, which will be described later, in which the lower body of the user is supported.

3, the lower handle member 130 includes a handle fixing bar 132 vertically extended from a lower surface of the rear leg frame 122, and a handle fixing bar 132 coupled to an upper portion of the handle fixing bar 132 And a handle bar 134 gripped by the user.

The handle fixing bar 132 is formed with a handle adjusting hole 132a through which the handle adjusting pin 136 passes so that the height of the handle adjusting bar 134 can be adjusted.

The handle control bar 134 is configured such that a lower end portion thereof is inserted into the handle fixing bar 132 and is moved upward and downward along the outer surface of the handle fixing bar 132, Is formed to have a predetermined curvature.

The handle adjustment bar 134 may further include a sweat-absorbing sheet 135 for preventing the sweat caused by sweat or the like generated in the user's hand from being externally applied.

The handle adjusting bar 136 is fastened to the handle fixing bar 134 in a screw tightening manner so that the handle fixing bar 132 and the handle adjusting bar 134 are engaged with each other. Member 138 is constructed.

The handle adjusting pin 136 passes through the handle fixing bar 132 and the handle adjusting bar 134 and is configured such that the end thereof is fastened to the pin fixing member 138 in a screw tightening manner. The handle adjustment pin 136 and the handle fixing bar 134 are connected to each other by the handle adjusting pin 136 and the pin removing member 138. When the handle adjusting pin 136 passes through the handle fixing bar 132 and the handle adjusting bar 134, The height adjustment of the guide rails 134 is performed.

4, the adjustment member 140 is coupled to a lower surface of the front leg frame 112 and is configured to engage the front and rear leg frames 112 and 122 while rotating the rear leg frame 122 It controls the operation.

The adjusting member 140 is inserted into the rear leg frame 122 and the leg connecting panel 112a inserted into the rear leg frame 122, A pin fixing plate 147 formed at an end of the guide pin 145 and a pin fixing protrusion 147 selectively coupled to the pin fixing plate 147 to control whether the guide pin 145 rotates or not 143) and a restoring means (149) for restoring the position of the guide pin (145).

At this time, the rear leg frame 122 further has a coupling protrusion 144 to which the bottom surface of the guide pin 145 is detachably coupled. The rear leg frame 122 is rotated only when the engaging projection 144 is separated from the guide pin 145. When the guide pin 145 is engaged with the engaging projection 144 So that rotation is not performed.

At this time, when the bottom surface is engaged with the engaging projection 144, the guide pin 145 is engaged while pressing the rear leg frame 122, so that the rear leg frame 122 and the leg connecting panel 112a so that the front and rear leg frames 112, 122 can be tightly fixed by this tightening force.

The guide pin 145 is configured to pass through the rear leg frame 122 and the leg connecting panel 112a so that sliding movement is performed.

The pin fixing plate 147 is formed inside the adjusting bracket 141 and controls whether or not the guide pin 145 is rotated according to whether the pin fixing plate 147 is engaged with the pin fixing protrusion 143. [ That is, when the pin fixing plate 147 is engaged with the pin fixing protrusion 143, the rotation of the guide pin 145 is not performed. At this time, the head portion of the guide pin 145 is engaged with the coupling protrusion 144 The rotation of the guide pin 145 prevents rotation of the rear leg frame 122 as well.

On the contrary, when the guide pin 145 and the pin fixing plate 147 are separated from the engaging projection 144 and the pin fixing protrusion 143, the pressing force applied to the rear leg frame 122 is released, 122 are rotated.

The restoring means 149 may be a spring and is formed inside the adjusting bracket 141 and provides a predetermined pressing force to the pin fixing plate 147 so that the guide pin 145 is restored to its original position, So that the protrusion 144 and the pin fixing protrusion 143 are engaged with each other.

The adjustable member 140 may adjust the height of the manual rehabilitation device according to the physical condition of the user and may adjust the distance between the first and second support frames 110 and 120 so that the load and the support force of the user Can be improved.

The driving frame 200 is formed on the upper portion of the main frame 100. The driving frame 200 includes a supporting frame 210, a cushion member 220 and a safety member 250, .

The main frame 110 and the fixed frame 300 are connected to each other to support the body load of the user and support the user to perform lurching or inversion.

The support frame 210 includes an upper support frame 212 and a lower support frame 214 for supporting the upper and lower portions of the lower surface of the cushion member 220, And a cushion support frame 216 connecting the cushion members 214 to improve the supporting force of the cushion members 220.

At this time, the upper and lower support frames 212 and 214 provide the support force of the cushion member 220 in the transverse direction, and the cushion support frame 216 provides the support force of the cushion member 220 in the longitudinal direction.

The upper support frame 212 has upper end handle members 215 on both sides thereof. The upper handle member 215 is a component that the user grasps when bringing the body into close contact with the upper portion of the cushion member 220 and grasps the movable frame 200 for coming from the drive frame 200 after completing the movement.

The upper and lower support frames 212 and 214 are formed with a fixed guide frame 218 to which a coupling frame 310 of a fixed frame 300 to be described later is coupled.

The cushion member 220 is configured as a pair in which the thigh or lower abdomen is seated when the user performs the luffing motion or the reversing motion.

The cushion members 220 are spaced apart from each other by a predetermined distance, and a fixed guide frame 218 is formed therebetween. That is, the fixed guide frame 218 is configured to be positioned at the center of the upper and lower support frames 212 and 214.

The lower support frame 214 includes a rotation bracket 240 rotatably coupled to the connection frame 150 of the main frame 100 at a lower portion thereof and a rotation bracket 240 extending through the rotation bracket 240, A rotation support shaft 230 for coupling the connection frame 150 is formed.

At this time, the rotation support shaft 230 may be composed of a rotation head part and a rotation axis part, and the rotation head part is configured to be fixedly coupled to the rotation bracket 240. The rotary bracket 240 and the lower support frame 214 to which the rotary bracket 240 is coupled are rotated only at the time of rotation of the rotary support shaft 230.

The rotation brackets 240 are formed in a plurality of shapes and are in close contact with both side surfaces of the connection frame 150. An end of the rotation support shaft 230 is inserted into one of the plurality of rotation brackets 240, A safety member (250) is provided to control the rotational movement of the shaft (230).

The safety member 250 is formed on one surface of the rotation bracket 240 and the end of the rotation support shaft 230 is inserted to control the rotation operation of the rotation support shaft 230 depending on whether power is applied or not .

The safety member 250 includes a magnetization panel 258 formed at an end of the rotation support shaft 230 and magnetizing means 258 for magnetizing the magnetization panel 258 by forming a magnetic line of force A drive motor 256 for rotating the rotation support shaft 230 and an attachment panel 254 for attaching the magnetization means 252 to the rotation shaft of the drive motor 256.

It is preferable that the safety member 250 further comprises an insulator 260 for preventing a magnetic force line generated when a power source is applied from flowing to the manual reverberation device. The outer circumferential surface and the outer circumferential surface of the rotary shaft of the drive motor 256, respectively.

A plurality of power switches (not shown) electrically connected to the magnetizing unit 252 are formed on one surface of the lower handle member 130, .

When the power is applied to the safety member 250, the magnetization panel 258 formed on the rotation support shaft 230 and the magnetization means 252 coupled to the driving motor 256 are coupled to each other by a predetermined magnetic force line, Thereafter, the rotation of the rotation support shaft 230 is performed while the drive motor 256 is driven by the switch on / off operation of the power switch.

Accordingly, the user rotates the upper body to the lower side of the driving frame 200 for the lurching operation, and then operates the plurality of power switches to rotate the lower body upward to take a posture, Can be performed.

At this time, if the magnetization panel 258 and the magnetizing means 252 are kept in a combined state, the rotation of the driving frame 200 is not performed.

Accordingly, the user can strengthen the muscles of the hip joint and the vertebra while performing the inversion motion of the upper body while fixing the lower body to the fixed frame 300 connected to the driving frame 200.

The fixed frame 300 is connected to the driving frame 200 and fixes the lower body of the user. The upper frame and the lower frame are coupled with the fixing frame 310 of the supporting frame 210, A first length adjusting frame 320 whose upper end is coupled to a lower portion of the coupling frame 310 so as to be adjustable in length and bent at a lower end thereof and a second length adjusting frame 320 whose length is adjusted at a bent lower end of the first length adjusting frame 320 And a lower fixing cushion 340 which is formed at an end of the second length adjusting frame 330 and is in contact with and fixed to the lower body of the user.

The first length adjusting frame 320 is coupled to move upward and downward from the coupling frame 310 and the second length adjusting frame 330 is coupled to the first length adjusting frame 320 And adjust the position of the lower body fixing cushion 340 in accordance with the user's body conditions.

At this time, the first and second length adjusting frames 320 are configured to be adjusted and fixed by the adjusting bolts 350.

In addition, the bolt fastening part 360 for fastening the adjustment bolt 350 is formed on the coupling frame 310 and the second length adjusting frame 9320, so that the fixing of the fixing bolt 350 is performed after the length adjustment is completed. desirable.

Meanwhile, in the present invention, after the lower body is fixed to the fixed frame 300 with the user lying on the upper part of the cushion member 220, the upper body is rotated downward to grip the lower handle member 130, The lower body is fixed to the fixed frame 300 while the upper body is repeatedly rotated downward or upward while the lower body is fixed to the fixed frame 300, So that the muscular strengthening exercise can be performed.

It is to be understood that the terms "comprises", "comprising", or "having" as used in the foregoing description mean that the constituent element can be implanted unless specifically stated to the contrary, And all terms including technical or scientific terms are to be construed as further including other elements unless the context clearly dictates otherwise as generally understood by one of ordinary skill in the art to which this invention belongs. Have the same meaning.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof. . Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: main frame 110: first base frame
120: second support frame 130: lower handle member
140: regulating member 150: connecting frame
200: driving frame 210: supporting frame
220: cushion member 230:
240: rotation bracket 250: safety member
260: insulator 300; Fixed frame
310: combining frame 320: first length adjusting frame
330: second length adjusting frame 340: lower body fixing cushion
350: adjusting bolt 360: bolt fastening part

Claims (6)

A main frame for fixing the manual reel driving device to the ground;
A lower handle member formed at a lower end of the main frame and gripped by the user to rotate the user's upper body downward;
A driving frame including a supporting frame coupled to a lower portion of the cushion member, and a rotation bracket disposed at a lower portion of the supporting frame and rotatably coupled to the main frame; And
And a fixing frame coupled to the driving frame and fixing the lower body of the user,
The main frame includes:
A front leg frame formed on the front lower side and having a leg connecting panel formed on one side thereof, a top supporting frame coupled to both sides of the top of the front leg frame, A first support frame including a connection frame to be coupled therewith;
A rear leg frame coupled to the leg connecting panel, and a second supporting frame to which the bottom handle member is coupled; And
An engaging projection formed on one side of the rear leg frame so as to control rotation of the rear leg frame; and an engaging projection projecting through both the leg frame and the leg connecting panel, A control pin formed in the other end of the guide pin and having a pin fixing protrusion detachably coupled to the pin fixing plate; An adjustment member configured to restore the position of the guide pin;
Further comprising: a manual repositioning mechanism capable of reversing motion.
delete delete The method according to claim 1,
The support frame includes:
An upper support frame for supporting an upper portion of the lower surface of the cushion member;
A lower support frame for supporting a lower portion of the lower surface of the cushion member and coupling the rotation bracket to a lower end portion;
A cushion support frame connecting the upper support frame and the lower support frame;
An upper handle member gripping the body when the user makes contact with the cushion member;
A stationary guide frame formed on the upper and lower support frames and coupled with the stationary frame; And
A safety member provided on the rotation bracket for controlling the rotation of the driving frame;
The manual repositioning exercise device according to claim 1,
5. The method of claim 4,
Wherein the safety member comprises:
A rotation support shaft coupled to the rotation bracket and the main frame and having a magnetization panel at an end thereof;
A magnetizing means for magnetizing the magnetizing panel by forming a magnetic line of force according to power application;
A drive motor for rotating the rotation support shaft;
An attaching panel for attaching the magnetizing means to the drive motor; And
A plurality of power switches that are formed on the lower handle member and control whether the magnetizing means is magnetized and whether the driving motor is driven;
Wherein the manual repositioning device is further provided with a reversing motion.
The method according to claim 1,
The fixed frame includes:
A coupling frame coupled to the support frame;
A first length-adjusting frame having an upper end coupled to a lower portion of the coupling frame so as to be adjustable in length, and a lower end bent;
A second length adjusting frame inserted into the bent lower end of the first length adjusting frame so as to be adjustable in length; And
A lower body fixed cushion configured at an end of the second length adjusting frame and in which a lower body of a user is closely contacted and fixed;
Wherein the manual repositioning mechanism is capable of reversing movement.

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