JP2007151791A - Stretching device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stretching device excellent in designing which is so compact to carry and usable by anybody easily and smoothly regardless of users and locations and, for example, allows the stretching of upper arms almost undergoing no training in the daily life as desired by making the actual values of the dimensions, angles, load resistances and the like of the parts of the device adjustable to differences in the physical builds, physical strengths and the like of the users. <P>SOLUTION: The device includes a waist patch part 3, a left grip/rotation part 7 which is provided on the left of the first support body 5 extended horizontally centering around the waist patch part and gripped by the user's left hand to be rotated and the right grip/rotation part 9 which is provided on the right of the first support body extended horizontally centering around the waist part and gripped by the user's right hand to be rotated. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a stretching device that is compact and portable and can be easily stretched by anyone regardless of location, and in particular, a biceps brachii (so-called biceps) that is rarely used in everyday life. Can be effectively trained, so that the fat of the second arm can be turned into muscles and a slimming effect can be obtained.

As a conventional stretch device, for example, as shown in Patent Document 1 below, a large-sized stretch device that is used by being installed on the ground or floor has been mainstream. The stretch device shown in Patent Document 1 is a stretch device generally referred to as a “hanging health device” or the like, and after a user jumps on a bar above the head or grabs the bar, the user then bends the foot to the ground or floor. Stretch away from the foot.
Therefore, the user has to perform stretching in a standing posture, and has become a stretch device having a structure mainly intended for relatively young healthy persons. In addition, this type of large stretch device has restrictions on the place of use and storage space, and is not necessarily easy-to-use in size and weight for use in general homes.

Further, the above-described stretch device is mainly used for stretching the back muscles, and for example, it cannot be used for stretching the arm and chest muscles by turning the arm backward or stretching the wrist or arm. In particular, the biceps brachii (so-called second arm) is rarely used in everyday life, and a stretch device that can stretch the upper arm has been required. However, as described above, this has not been possible with conventional stretch devices.
In addition, it is necessary to appropriately adjust the size, angle, load resistance, etc. of each part of the device depending on the difference in the user's physique, age, symptoms, etc. There is no compact and portable stretch device with an adjustment mechanism, and the development of a new stretch device has been desired.

JP 2001-46551 A

Based on the above background technology and the problems that the background technology has, the problems to be solved by the present invention can be summarized as follows: It is to develop a stretching device that can be used without difficulty in a small place where there is little space as well as a general home, regardless of installation location and storage space.
In addition, it can be used for stretching the arm and chest muscles by turning the arm later and stretching the wrist and arm, so that the desired stretch can be applied to the so-called two arms. It is to develop a stretch device that can appropriately adjust the size, angle, load resistance, etc. of each part of the device according to the difference.

  The present invention has been made on the basis of such points, and the object of the present invention is that it can be used easily and comfortably by anyone regardless of the user or place. For example, it can be trained in everyday life. The desired stretch can be applied to the two arms that are not present, and the size, angle, load resistance, etc. of each part of the device can be appropriately adjusted according to differences in the user's physique and physical strength, etc. The aim is to provide a stretch device that is compact, portable, and excellent in design.

In order to achieve the above object, a stretch device according to claim 1 of the present invention is provided on the left side of a waist support part and a first support body that is extended to the left and right around the waist support part. A left grip / rotation unit that is gripped and rotated by a hand and a right support that is provided on the right side of the first support that extends from the left and right sides of the waist pad, and is gripped and rotated by the right hand of the user. And a right grip / rotator.
The stretch device according to claim 2 is the stretch device according to claim 1, wherein the first support body is movable in the front-rear direction with respect to the second support body that protrudes rearward from the waist rest portion. It is characterized by being attached.
The stretch device according to claim 3 is the stretch device according to claim 1 or 2, wherein the left grip / rotator and the right grip / rotator are movable in the left-right direction with respect to the first support. It is characterized by being attached.
The stretch device according to claim 4 is the stretch device according to any one of claims 1 to 3, wherein the left gripping / rotating portion and the right gripping / rotating portion are rotatable with respect to the first support. It is characterized by being attached to.
The stretch device according to claim 5 is the stretch device according to any one of claims 1 to 4, wherein the left grip / rotation unit and the right grip / rotation unit include a rotation operation unit, and the rotation device The operation unit is configured to be rotated with an appropriate load.
The stretch device according to claim 6 is characterized in that, in the stretch device according to claim 5, the load on the rotation operation portion is configured to be adjustable.
The stretch device according to claim 7 is the stretch device according to any one of claims 1 to 6, wherein a fixing belt for fixing the device to the abdomen is detachably attached to the waist pad. It is characterized by being.

Therefore, according to the stretch device according to the present invention, the waist support portion and the left support portion which is provided on the left side of the first support body extending left and right around the waist support portion are gripped and rotated by the left hand of the user. Left grip / rotator, and right grip / rotator provided on the right side of the first support extending left and right around the waist pad, and gripped and rotated by the right hand of the user For example, stretch the arm and chest muscles by turning the arm backwards, especially for the second arm that is rarely trained in everyday life. It becomes possible.
In addition, since it is compact and portable, anyone can do stretching exercises easily and comfortably anywhere, regardless of user or location.
Further, when the first support body is attached to the second support body protruding and arranged rearward from the waist pad portion so as to be movable in the front-rear direction, depending on the difference in the physique of the user, etc. This makes it possible to adjust the distance in the front-rear direction by turning the arm later, and to perform an optimal and reasonable stretch exercise that matches the physique of the user.
In addition, when the left grip / rotator and the right grip / rotator are attached to the first support body so as to be movable in the left-right direction, the arm can be laterally moved according to the difference in the physique of the user. This makes it possible to adjust the distance in the left-right direction so that it is possible to perform a stretch exercise that is optimal and reasonable for the user's physique.
In addition, when the left grip / rotation unit and the right grip / rotation unit are rotatably attached to the first support body, the angle of the arm rotated later according to the difference in the physique of the user, etc. Adjustment becomes possible, and it becomes possible to perform an optimal and reasonable stretch exercise suitable for the user's physique and the like.
In the case where the left grip / rotator and the right grip / rotator are provided with a rotation operation unit, and the rotation operation unit is configured to be rotated with an appropriate load, for example, an arm It is possible to effectively perform stretching or the like by twisting the wrist or arm by turning the back.
In addition, when the load on the rotation operation unit is configured to be adjustable, the load resistance of the rotation operation unit can be adjusted according to the difference in the user's physical strength, etc. It is possible to perform an optimal and reasonable stretching exercise that suits your needs.
In addition, when a fixing belt for fixing the device to the abdomen is detachably attached to the waist pad, the stretch device can be easily attached and detached, and the stretch device can be held even during use. You will be able to concentrate on stretching without being distracted. In addition, when the stretching exercise is temporarily interrupted, it is possible to temporarily interrupt the stretching exercise while wearing the stretching device.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. The stretch device 1 according to the present embodiment can be used in a sitting posture in which the user A is sitting on the floor as shown in FIG. 16, or in a standing posture as shown in FIG. This stretch device 1 is used when the user A turns the arm backward to stretch the arm and chest muscles and stretches the wrist and the arm, especially when the second arm is hardly used in everyday life. Can be used for

  As shown in the drawing, the stretch device 1 includes a waist support portion 3, a first support body 5 that extends left and right around the waist support portion 3, and a left-side grip provided on the left side of the first support body 5. The rotating portion 7, the right grip / rotating portion 9 provided on the right side of the first support 5, the second support 11 protruding and arranged rearward from the waist rest 3, and the waist rest 3 The fixing belt 13 (shown in FIG. 4) to be attached is provided as an example.

  As shown in FIGS. 1 to 3, the waist rest portion 3 is a member having a shape in which a flat plate member having a rounded corner portion is curved so as to be familiar with the shape of the waist of the user A. . As shown in FIG. 2, two pads 15, 15 are attached to the surface of the waist pad 3 on the mounting side. These pads 15 and 15 are oval sheet-shaped members as shown in the figure, and are formed of a synthetic rubber or a synthetic resin material that is soft and has an appropriate elasticity.

In addition, vertically long U-shaped rings 17 and 17 are formed on the left and right side end surfaces of the waist rest portion 3, respectively. The fixing belt 13 for fixing the device to the abdomen is detachably attached to the rings 17 and 17. As shown in FIG. 4, the fixing belt 13 is a single band-shaped member having one end 19 and another piece 21 of hook-and-loop fasteners attached to both ends as an example of tightening means. Then, as shown in FIG. 4, the fixing belt 13 is pulled out from the rear surface side of the ring 17 through one end of the fixing belt 13 through the hole of the one ring 17 to the front side of the waist pad portion 3. It is attached to the waist pad 3 by putting it in the hole of the other ring 17 through the front surface of the ring and pulling it out to the rear surface side of the ring 17 again.
In addition, a round bar-shaped second support 11 that extends horizontally toward the rear is integrally formed at the center of the back surface of the waist pad 3.

  The first support body 5 has a main body portion 23 attached to the second support body 11 so as to be movable in the front-rear direction, and left and right side body portions of the main body portion 23 near the waist rest portion 3. And a guide pipe 27 provided so as to extend horizontally in the left-right direction. The socket 25 is attached to the protruding end, and the end on the base end side is held by the socket 25. And comprising.

  The main body portion 23 is a member having a flat shell shape in which the distal end side formed so as to wrap the shaft portion 29 of the second support 11 is somewhat narrowed. On the upper surface of the main body portion 23, there are an unlock button 31 for releasing the locked state of the main body portion 23 with respect to the shaft portion 29, and an activation switch 33 for sounding a rhythm sound that informs the cycle of the stretch exercise, the timing of switching the operation, and the like. Is provided.

  The socket portion 25 is a cylindrical member, and an annular inner flange portion 35 is provided at an outer end portion of the socket portion 25, and the inner flange portion 35 causes the proximal end side of the guide pipe 27. The guide pipe 27 is prevented from falling off from the socket portion 25 by engaging with a flange-shaped outer flange portion 37 {shown in FIG. 13 (a)} formed at the end of the guide pipe 27.

As shown in FIG. 10, the guide pipe 27 is a double cylindrical member comprising an outer pipe 27A fitted inside the socket portion 25 and an inner pipe 27B fitted inside the outer pipe 27A. A lock release knob 39 for releasing the lock state of the attachment angle α of the left side gripping / rotating unit 7 to the right side gripping / rotating unit 9, which will be described later, is attached to the end portion of the distal end side of 27A.
The outer pipe 27A is provided in a fixed state with respect to the socket portion 25, but the inner pipe 27B is integrated with the unlocking knob 39 together with the left side gripping / rotating unit 7 and the right side gripping / rotating unit 9. It can be rotated around its axis.

The left gripping / rotating unit 7 is a member attached to a guide pipe 27 extending to the left side of the main body 23 of the first support 5 and is a member that is gripped and rotated by the left hand of the user A during use. . The left gripping / rotating part 7 is a member attached to a guide pipe 27 extending to the right side of the main body 23 of the first support 5 and is rotated by being gripped by the right hand of the user A during use. It is.
The left grip / rotator 7 and the right grip / rotator 9 have the same structure and are symmetrical in shape and can be moved in the left / right direction along the guide pipe 27 and around the axis of the guide pipe 27. It is mounted for rotation.

The left grip / rotator 7 and the right grip / rotator 9 are provided at a holder portion 41 fitted around the guide pipe 27, an arm portion 43 extending rearward from the holder portion 41, and a tip portion of the arm portion 43. The rotation operation unit 45 is provided.
The holder portion 41 is a cylindrical member that is externally fitted to the guide pipe 27. On the rear surface side of the portion connected to the arm portion 43, the locked state of the movement in the left-right direction in the holder portion 41 along the guide pipe 27 is released. An unlock button 47 is provided.
The arm portion 43 is a member having a rectangular shape with a flat cross-sectional shape that connects the holder portion 41 and the rotation operation portion 45 described below. Further, in the basic posture shown in FIGS. 1 to 5, the arm portion 43 extends vertically below the holder portion 41, then bends backward in a curved state, and further tilts outward, and then moves upward again. It has a shape bent in a curved state.

A cylindrical holding portion 51 is provided at the distal end of the arm portion 43 to hold the rotation operation portion 45 so as to be rotatable around the rotation shaft 49.
The rotation operation unit 45 has a diameter that is used when the user A adjusts the load resistance applied to the operation grip 53 and the disk-shaped operation grip 53 that has a large diameter that the user A directly grips and operates. And an adjustment knob 55 having a small cylindrical cap shape.

  In the stretch device 1 configured in this way, the first support body 5 is moved in the front-rear direction along the second support body 11, and can be fixed at an appropriate position. The left and right moving / fixing mechanism 59 that can move the rotating unit 7 and the right side grip / rotary unit 9 in the left / right direction along the first support body 5 and fix the left and right grips / rotators 9 to an appropriate position; The angle adjustment mechanism 61 that rotates the portion 9 about the axis relative to the first support 5 and can be fixed at an appropriate mounting angle α, and the rotation operation portion 45 of the left side gripping / rotating unit 7 and the right side gripping / rotating unit 9 A load adjustment mechanism 63 that provides load resistance and can adjust the magnitude of the load resistance is provided.

Hereinafter, the configuration and operation mode of each mechanism will be described in order.
(1) Configuration and operation mode of the forward / backward movement fixing mechanism (see FIGS. 1, 5 and 9)
The forward / backward movement fixing mechanism 57 includes the lock release button 31 provided on the main body 23 of the first support 5, the engagement protrusion 65 provided integrally with the lock release button 31, and the second support 11. A plurality of engagement grooves 67 formed in a direction orthogonal to the shaft portion 29 on the lower surface of the shaft portion 29 and provided at equal intervals in the direction along the shaft portion 29, and the biasing force for biasing the lock release button 31 in the protruding direction. A biasing spring 69, a guide groove 71 formed in a direction along the shaft portion 29 on the upper surface of the shaft portion 29 of the second support body 11, and the main body portion 23 of the first support body 5 engaged with the guide groove 71. It is comprised by providing the guide protrusion 72 provided in this.

In the locked state shown in FIG. 9A, the lock release button 31 is in the most protruded state by the urging force of the urging spring 69, and the engagement protrusion 65 has an arbitrary engagement groove 67 at the position. Is engaged. Therefore, the first support body 5 is in a fixed state in which it cannot move in the front-rear direction along the shaft portion 29 by the engaging action of the engaging protrusion 65 and the engaging groove 67.
On the other hand, in the unlocked state shown in FIG. 9B, the lock release button 31 is pushed and moves downward against the biasing force of the biasing spring 69, so that the engagement protrusion 65 is engaged. It is in a state of being detached from the joint groove 67. Therefore, the first support 5 can freely move in the front-rear direction along the shaft portion 29 with the guide protrusion 72 guided by the guide groove 71.
Further, when the finger is released from the unlocking button 31 again in this state, the unlocking button 31 is moved again in the protruding direction by the biasing force of the biasing spring 69, so that the engaging protrusion 65 is formed on the peripheral body portion on the lower surface side of the shaft portion 29. Will come into sliding contact. When the position of the engagement protrusion 65 coincides with the position of any other engagement groove 67, the engagement protrusion 65 engages with the engagement groove 67, and the first support 5 is again in a fixed state.

(2) Configuration and operation mode of the right and left movement fixing mechanism (see FIGS. 10 and 12)
The left-right movement fixing mechanism 59 includes the lock release button 47 provided for the left grip / rotation unit 7 and the right grip / rotation unit 9, a locking claw 73 provided integrally with the lock release button 47, and the guide pipe. 27 is provided with a locking recess 77 formed on the back side (right side in FIG. 12) of a locking rib 75 provided in a protruding state from the peripheral body portion on the lower surface side of the lower surface 27 and the unlocking button 47 in the protruding direction. The biasing spring 79 is configured to be biased.

In the locked state shown in FIG. 12A, the lock release button 47 is in the most protruded state by the biasing force of the biasing spring 79, and the locking claw 73 is locked in the locking recess 77. Yes. Accordingly, the left grip / rotator 7 and the right grip / rotator 9 are in a fixed state in which they cannot move in the left-right direction along the guide pipe 27 by the locking action of the locking claw 73 and the locking recess 77.
On the other hand, in the unlocked state shown in FIG. 12B, the lock release button 47 is pushed and moves to the right in FIG. 12 against the biasing force of the biasing spring 79. Deviate from. Accordingly, the left grip / rotator 7 and the right grip / rotator 9 can smoothly move freely in the left-right direction along the guide pipe 27 without being restricted.

(3) Configuration and operation mode of angle adjustment mechanism (see FIG. 14)
The angle adjusting mechanism 61 includes a lock release knob 39 attached to the open end of the guide pipe 27, a spline protrusion 81 provided on the inner peripheral surface of the lock release knob 39, and an outer pipe 27A. Are formed on the inner peripheral surface of the unlocking knob 39, the spline recess 83 formed on the inner peripheral surface of the tip end side, the biasing spring 85 that biases the unlocking knob 39 in the protruding direction. It is configured by including an engaging groove 87 and an engaging protrusion 89 formed on the outer peripheral surface on the tip side of the inner pipe 27B.
The inner pipe 27B is integrated with the left grip / rotor 7 or the right grip / rotor 9 by a fixed screw 91. The inner pipe 27B is integrated with the left grip / rotator 7 and the right grip / rotator 9 together. It can be rotated.
Further, the spline ridge 81 and the spline ridge 83 are respectively formed with ridges or ridges at a pitch of 15 °, and the spline ridge 83 is formed in the proximal space adjacent to the spline ridge 83. A free rotating space 93 is provided.

In the locked state shown in FIG. 14 (a), the lock release knob 39 is in the most protruding state by the urging force of the urging spring 85, and the spline ridge 81 and the spline ridge 83 are engaged. ing. Accordingly, the left gripping / rotating portion 7 and the right gripping / rotating portion 9 that rotate together with the unlocking knob 39 and the inner pipe 27B by the engaging convex strip 89 and the engaging concave strip 87 are connected to the spline convex strip 81 and the spline concave portion. Due to the engaging action of the strip 83, the lock is in a state where it cannot rotate around the axis of the outer pipe 27A.
On the other hand, in the unlocked state shown in FIG. 14B, the engaging protrusion formed on the inner pipe 27B on the left side in FIG. 14 against the biasing force of the biasing spring 85 when the unlocking knob 39 is pushed. The engagement groove 87 is guided and moved by 89, and the spline protrusion 81 formed on the unlocking knob 39 is disengaged from the spline groove 83 formed on the inner pipe 27B and reaches the free rotation space 93.

In this state, the left side gripping / rotating part 7 and the right side gripping / rotating part 9 are integrated with the lock release knob 39 and the inner pipe 27B and can freely rotate about the axis of the outer pipe 27A.
In this state, the left gripping / rotating unit 7 and the right gripping / rotating unit 9 are rotated in a predetermined direction by a predetermined angle, and the left gripping / rotating unit 7, the right gripping / rotating unit 9, and the lock release knob 39 are used. Is released, the unlocking knob 39 is brought into a projecting state by the engaging recess 87 being guided by the engaging protrusion 89 by the biasing force of the biasing spring 85, and the left grip / rotor 7 and the right grip / rotator 9 are Again, it becomes a locked state in which it cannot rotate around the axis of the outer pipe 27A.
Note that the mounting angle α of the left gripping / rotating portion 7 and the right gripping / rotating portion 9 with respect to the outer pipe 27A is adjusted in units of 15 ° corresponding to the pitch of the ridges of the spline ridge 81 or the ridges of the spline recess 83. It can be done.

(4) Load adjustment mechanism (see FIGS. 10 and 15)
The load adjustment mechanism 63 is formed at the adjustment knob 55 provided in the rotation operation portion 45, the female screw portion 95 carved on the inner peripheral surface of the outer cylinder portion of the adjustment knob 55, and the tip portion of the arm portion 43. A male screw portion 97 formed at the lower portion of the outer peripheral surface of the holding portion 51, a biasing spring 99 having a lower end supported by the adjustment knob 55 and having a biasing force upward, and the biasing spring 99. The friction pad 101 having a large friction coefficient held at the upper end thereof and the pressure receiving portion 103 which projects the bottom surface of the operation grip 53 somewhat downward and is brought into contact with the friction pad 101 are configured. Yes.

And in the state at the time of the low load shown to Fig.15 (a), the adjustment knob 55 is located in a lower limit position, and the urging | biasing force of the urging | biasing spring 99 is the minimum. Therefore, the frictional resistance generated between the friction pad 101 and the pressure receiving portion 103 is also minimized, and the load resistance when the operation grip 53 is turned is the lowest.
On the other hand, in the state of high load shown in FIG. 15B, when the adjustment knob 55 is picked and turned by a finger, a female screw portion 95 formed on the adjustment knob 55 is formed in the holding portion 51. The adjustment knob 55 is moved upward by screwing into the male screw portion 97. Then, the state in which the adjustment knob 55 is rotated by the maximum amount and the adjustment knob 55 reaches the upper limit position is a high load state.
In this state, the biasing force of the biasing spring 99 is maximized, and the frictional resistance generated between the friction pad 101 and the pressure receiving portion 103 is maximized. Therefore, the load resistance when turning the operation grip 53 is the highest.

Next, the procedure of use or operation in the case of performing a stretching exercise using the stretch device 1 according to the embodiment of the present invention configured as described above will be described.
The user A turns the fixing belt 13 pulled out from the left and right rings 17 of the waist rest 3 in the state where the waist rest 3 is placed on the waist, and turns one piece 19 of the surface fastener and the other piece 21 of the face fastener. The stretch device 1 is mounted as shown in FIG.
Then, the left and right arms are rotated backward to grasp the operation grips 53 of the respective rotation operation units 45 in the left side gripping / rotating unit 7 and the right side gripping / rotating unit 9 and rotate them by a predetermined angle to perform a stretching exercise.
Further, when a start switch 33 provided on the upper surface of the main body 23 of the first support 5 is pressed, a timer is activated, for example, a buzzer sounds after 10 seconds, and thereafter a buzzer is intermittently emitted at a predetermined timing (interval). A sound is generated and the rhythm of the user A turning the operation grip 53 is engraved. When a predetermined number of exercises, for example, 20 exercises are completed, one cycle of stretching is completed.
Further, when the position and the mounting angle α of the operation grip 53 of the stretching device 1 do not match the body or when it is desired to adjust the load resistance of the operation grip 53, the forward / backward movement fixing mechanism 57 and the left / right movement fixing mechanism are performed according to the above-described procedure. 59, the angle adjustment mechanism 61 to the load adjustment mechanism 63 are adjusted.
Further, the stretch device 1 can be used without being fixed to the user A by the fixing belt 13. In this case, the stretch device 1 is simply applied to the waist of the user A via the waist pad portion 3, and the above-described stretch is applied in that state.

As described above, according to the present embodiment, the following effects can be obtained.
First, it becomes possible for the user A to stretch the arm and chest muscles by turning his / her arm backwards, in particular, to effectively stretch the second arm which is hardly trained in daily life. Therefore, it is possible to effectively train the upper arm, which is hardly trained in daily life, to change fat into muscle and to expect a slimming effect.
In addition, since it is compact and portable, anyone can perform stretching exercises easily and comfortably anywhere, regardless of the user A or location.
Moreover, since the 1st support body 5 is attached to the 2nd support body 11 projected and arrange | positioned back from the waist pad part 3 so that a movement to the front-back direction is possible, it responds to the difference of the user A's physique etc. Thus, it is possible to adjust the distance in the front-rear direction in which the arm is rotated later, and it is possible to perform an optimal and reasonable stretch exercise suitable for the user A's physique and the like.
In addition, the left grip / rotator 7 and the right grip / rotator 9 are attached to the first support 5 so as to be movable in the left-right direction. It is possible to adjust the distance in the left-right direction, and to perform an optimal and reasonable stretch exercise that matches the user A's physique and the like.
In addition, since the left grip / rotator 7 and the right grip / rotator 9 are rotatably attached to the first support 5, the angle of the arm rotated later according to the difference in the physique etc. of the user A Adjustment becomes possible, and it becomes possible to perform an optimal and reasonable stretch exercise suitable for the user A's physique and the like.
Further, the left grip / rotation unit 7 and the right grip / rotation unit 9 are provided with a rotation operation unit 45, and the rotation operation unit 45 is configured to be rotated with an appropriate load. It is possible to effectively perform stretching and the like by turning the arm later and twisting the wrist and arm.
Further, since the load on the rotation operation unit 45 is configured to be adjustable, the load resistance of the rotation operation unit 45 can be adjusted according to the difference in the physical strength of the user A, and the user A's This makes it possible to perform optimal stretching exercises that are suitable for physical fitness.
Moreover, since the fixing belt 13 for fixing the device to the abdomen is detachably attached to the waist pad portion 3, the stretch device 1 can be easily attached and detached, and the stretch device 1 can be used even during use. You will be able to concentrate on stretching without being distracted by holding. In addition, when the stretching exercise is temporarily interrupted, it is possible to temporarily interrupt the stretching exercise 1 with the stretching device 1 attached.

The present invention is not limited to the embodiment described above.
For example, the stretch device 1 is configured by omitting the second support 11 and including the waist support portion 3, the first support 5, the left grip / rotator 7, and the right grip / rotator 9. It is also possible.
Further, it is not always necessary to provide all of the forward / backward movement fixing mechanism 57, the left / right movement fixing mechanism 59, the angle adjustment mechanism 61, and the load adjustment mechanism 63, and some of these mechanisms can be omitted.
Further, when used in the sitting posture as shown in FIG. 16, the use of the fixing belt 13 can be omitted. As a fastening means provided at the end of the fixing belt 13, a buckle or hook is used instead of the hook-and-loop fastener. Various other fastening means such as those of the type can be employed. Further, if the fixing belt 13 itself is made of a material such as elastic rubber, the above-mentioned tightening means can be omitted.
In addition, the rhythm sound generated by pressing the start switch 33 provided on the main body 23 is not limited to a buzzer sound, but may be a chime, an alarm sound, a melody or a voice, and the length or volume of the rhythm sound. Now, the timing, interval, and number of times of sound can be adjusted as appropriate. It is also possible to prepare several types of rhythm sounds and select them in advance.

  The present invention relates to a stretch device that anyone can easily perform a desired stretch exercise regardless of location, and when it is desired to adjust the size, angle, load resistance, etc. of each part of the device according to the user's physique and physical strength, etc. In particular, it is suitable when a desired stretch is applied to the second arm that is hardly trained in daily life.

It is a figure which shows one embodiment of this invention, and is a perspective view which shows the structure of a stretch instrument. It is a figure which shows one embodiment of this invention, and is a front view which shows the structure of a stretch instrument. It is a figure which shows one embodiment of this invention, and is a top view which shows the structure of a stretch instrument. It is a figure which shows one embodiment of this invention, and is a top view which shows the waist pad part of the state which mounted | wore the fixed band. It is a figure which shows one embodiment of this invention, and is VV sectional drawing of FIG. In the figure showing an embodiment of the present invention, the first support, the left side gripping / rotating part and the right side gripping / rotating part are moved, and the left side gripping / rotating part and the right side gripping / rotating part are attached at different angles. It is a top view which shows the structure of a stretch instrument. In the figure showing an embodiment of the present invention, the first support, the left side gripping / rotating part and the right side gripping / rotating part are moved, and the left side gripping / rotating part and the right side gripping / rotating part are attached at different angles. It is a side view which shows the structure of a stretch instrument. 8A and 8B are views showing an embodiment of the present invention, in which FIG. 8A is a plan view of an unlock button provided on the first support, and FIG. 8B is a cross-sectional view taken along line bb in FIG. FIG.8 (c) is cc sectional drawing of Fig.8 (a). 9A and 9B are views showing an embodiment of the present invention, in which FIG. 9A is a side sectional view showing a locked state of the forward / backward movement fixing mechanism, and FIG. 9B is a side sectional view showing a unlocked state. It is a figure which shows one embodiment of this invention, and is XX sectional drawing of FIG. 11A and 11B are views showing an embodiment of the present invention, in which FIG. 11A is a front view of a left-side grip / rotation unit and a lock release button provided on the right-side grip / rotation unit, and FIG. FIG. 11C is a rear view of the lock release button provided in the left side gripping / rotating unit and the right side gripping / rotating unit. FIG. 12A is a side sectional view showing a locked state of the left-right moving fixing mechanism, and FIG. 12B is a side sectional view showing a unlocked state. FIG. 13 (a) is a half sectional view showing an outer pipe, FIG. 13 (b) is a bb sectional view of FIG. 13 (a), and FIG. It is an end view of the front end surface of an outer pipe. 14A and 14B are diagrams showing an embodiment of the present invention, in which FIG. 14A is a half sectional view in a locked state showing an angle adjusting mechanism, and FIG. 14B is a half sectional view in an unlocking state showing an angle adjusting mechanism, FIG. 14 (c) is a cross-sectional view taken along the line cc of FIG. 14 (a). FIG. 15A is a side sectional view at low load showing a load adjusting mechanism, and FIG. 15B is a side sectional view at high load showing a load adjusting mechanism. is there. It is a figure which shows one embodiment of this invention, and is a top view which shows the use condition of a stretch instrument. It is a figure which shows one embodiment of this invention, and is a side view which shows the other use condition of a stretch device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Stretch device 3 Waist pad part 5 1st support body 7 Left side grip and rotation part 9 Right side grip and rotation part 11 2nd support body 23 Main body part 27 Guide pipe 45 Rotation operation part

Claims (7)

A waist pad,
A left-side gripping / rotating unit that is provided on the left side of the first support that is extended to the left and right around the waist rest part and is gripped and rotated by the left hand of the user;
A right side gripping / rotating part which is provided on the right side of the first support extended from the left and right sides around the waist rest part and is gripped and rotated by the right hand of the user;
Stretch device characterized by comprising: The stretch device according to claim 1,
The stretch device according to claim 1, wherein the first support body is attached to the second support body that protrudes and is arranged rearward from the waist pad portion so as to be movable in the front-rear direction. In the stretch device according to claim 1 or 2,
The stretch device, wherein the left grip / rotator and the right grip / rotator are attached to the first support so as to be movable in the left-right direction. In the stretch device in any one of Claims 1-3,
The left side grip / rotation unit and the right side grip / rotation unit are rotatably attached to the first support. In the stretch instrument in any one of Claims 1-4,
The left grip / rotation unit and the right grip / rotation unit include a rotation operation unit, and the rotation operation unit is configured to be rotated with an appropriate load. The stretch device according to claim 5,
A stretch device characterized in that the load on the rotation operation unit is adjustable. In the stretch device in any one of Claims 1-6,
A stretch device, wherein a fixing belt for fixing the device to the abdomen is detachably attached to the waist pad.

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