JPH09552A - Waist stretching and bending auxilialy - Google Patents

Abstract

PURPOSE: To lessen a burden on a waist at a stretching process, with stretching action applied to a user's backbone by providing a stomach band with an upper body support arm made of a spring wire extended from the back side of a waist section toward both sides of a breast section via both armpits, so as to be vertically movable. CONSTITUTION: Support pipes 5 are vertically arranged on holding wire materials 2a and 2b immediately outside the guide pipe 2c of a waist pad 2 made of a strong member, and an upper body support arm 6 is slidably coupled to the pipes 5. An upper section 6c of the arm 6 is rotatably fitted with breast pads 8 right and left via clamp 9. Also, the lower end of the arm 6 is projected down from the pipes 5 and a spring material 10 made of a coil spring is hooked to the projected end thereof. The pad 2 is, thereby energized in a contracting direction under a reaction force of the material 10. Also, support pipes 15 are vertically arranged at both right and left ends of the pad 2, and external ends 16a of a spiral spring 16 are welded to the pipes 15. Furthermore, a ratchet 17 is coupled to the internal ends of the spring 16 coaxially.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lower back bending / extending aid for reducing the burden on the lower back during bending.

[0002]

2. Description of the Related Art As a conventional technique, there is one described in Japanese Patent Application No. 1-216584 filed by the present applicant. That is, a body support arm extending upward along the center of the wearer's back is provided at the inner ends (opposite sides) of the pair of coil springs arranged on the left and right, and the wearer is provided at the upper end of this body support arm. Hook-shaped locking pieces for locking the left and right shoulders of the thigh support arm are provided, and the thigh support arm is projected downwardly and supported at the outer end (opposite surface side) of each of the coil springs via spring adjusting means,
There has been a thigh support arm provided with a locking piece at the lower end thereof for locking the front side of the wearer's thigh, and a body attachment belt provided under the upper body support arm.

[0003]

The above-mentioned conventional device has achieved the initial object of reducing the burden on the lower back during bending and stretching. However, since the upper body support arm is located on the back side of the wearer and the upper end of the upper body support arm is locked to the shoulder through the locking piece, a compressive force acts on the spine during flexion and extension, which causes a drawback of feeling weight. there were. Further, there is a drawback that it is impossible to wipe sweat, prepare clothes, and stretch the back, and other movements other than bending and stretching are restricted. It is an object of the present invention to obtain a new waist bending and stretching assisting tool that solves the above drawbacks.

[0004]

The present invention is configured as follows to achieve the above object. That is, by providing a strength member having a relatively high rigidity, a slender arcuate waist pad that surrounds the back half of the waist is provided, and the waist pad is placed on both sides of the chest from the back side of the waist through both sides. An upper body supporting arm made of a spring wire extending toward the upper and lower sides is provided so as to be movable up and down, a chest pad that abuts against the chest is rotatably provided at the upper end of the upper body supporting arm, and the left and right end portions of the waist pad are provided with left and right directions. The outer peripheral ends of the spiral springs that are wound around the shaft center are integrally connected, and the ratchet wheel is coaxially fixed to the inner circumferential end of each spiral spring, and the shallow container type case is rotated to each ratchet wheel. A stopper that can be freely engaged and disengaged with the claw of the ratchet wheel is provided in the case, and a thigh support arm protruding downward is provided in each of the cases so as to be vertically movable, and a thigh support arm is provided at the lower end of the thigh support arm. A thigh pad that locks on the front side is rotatably provided, On both sides of Kikoshi against tool is obtained by the configuration in which the belt winding the abdomen. In this case, it is preferable that the hip pad be made to be expandable and contractable in the left-right direction, and that it be shortened and urged by a spring material. Further, the upper body support arm may have its upper end portion separable left and right.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a front view showing an embodiment of the present invention, and FIG. 2 is a right side view thereof. In FIG. 1, reference numeral 1 is a flexion / extension assisting tool for the lower back, and 2 is a lower back supporting tool. The waist support 2 is formed of a strength member having a relatively high rigidity.
That is, a pair of holding wires 2a and 2b bent in a U-shape when viewed from the front by a spring wire having a wire diameter of about 5 mm are opposed to each other, and the guide pipe 2 is provided at the open end (left end) of the holding wire 2b on the right side.
c and 2c are welded and fixed, and the open ends (right ends) of the left holding wire bodies 2a are slidably fitted to the guide pipes 2c and 2c to form a slender rectangular frame on the left and right, As shown in FIG. 2, the entire body is curved in an arc shape in plan view so as to surround the back side of the waist of the wearer 30 by about half a circumference. In addition,
The waist pad 2 may be formed of a plastic plate material having a predetermined strength.

[0006] The holding wire 2 which is located in the middle portion in the left-right direction of the waist rest 2, that is, just outside the guide pipes 2c, 2c.
A pair of support pipes 5 and 5 are vertically arranged on a and 2b and fixed by welding, and an upper body support arm 6 made of a spring wire is fitted to the support pipes 5 and 5 slidably in the vertical direction. As shown in FIGS. 1 and 2, the upper body support arm 6 has lower portions 6a, 6a fitted to the support pipes 5, 5 on the back side of the waist 30a of the wearer 30 so as to be vertically movable, Side 6
While expanding b and 6b upwards, they are curved forward along both sides 30b, and the upper portion 6c is curved inward along the chest 30c. As shown in FIG. 1, the upper portion 6c is separated left and right at its left end, and a clip 7 is welded and fixed to the right side of the separating portion, and the left side of the separating portion is engaged with the clip 7 from below. Removably lock.

On the upper portion 6c of the upper body support arm 6, a chest plate 8 made of a plastic plate formed in a slender rectangular shape to the left and right is rotatably attached by a stopper plate 9. Further, the lower end of the upper body support arm 6 is projected downward from each of the support pipes 5 and 5, and the spring member 10 formed of a coil spring is locked to the protruding end, and the lumbar support is caused by the reaction force of the spring member 10. 2 is shortened, that is, the holding wires 2a and 2b are urged to move toward each other.

Support pipes 15 are vertically arranged at the left and right ends of the waist support 2 and fixed by welding.
The outer peripheral end portion 16a of the spiral spring 16 is welded and fixed to 5.
As shown in FIG. 4, the spiral spring 16 is formed by spirally winding a spring wire material having a wire diameter of 5 mm around the axial center in the left-right direction, and the ratchet wheel 17 is provided on the inner peripheral end portion 16 b of each spiral spring 16.
Are fitted coaxially and fixed by welding. The ratchet wheel 17 has a saw-toothed claw 17 on the outer peripheral portion located outside the spiral spring 16.
a is formed at a predetermined pitch, and the support shaft 17b is fixed to the shaft center portion by projecting outward.

A shallow container type case 20 is rotatably fitted to the support shaft 17b (FIG. 1) of each of the ratchet wheels 17 from the outside and is prevented from coming off by a nut, and the case 20 is used to lock the ratchet wheel 1 in place.
7 and the spiral spring 16 are enclosed. A pin-shaped stopper 21 is slidably fitted in the upper part of the outer peripheral wall of the case 20 so that its lower end faces the claw 17a of the ratchet wheel 17, and is pressed downward by a coil spring 22. The upper end of the stopper 21 is projected upward from the case 20, a knob 21a is fixed to the projecting end, and the knob 21a is pulled upward, whereby the stopper 21
Is disengaged from the claw 17a.

A thigh support arm 24, which is made of a spring wire and projects downward, is passed through each case 20 so as to be slidable in the vertical direction. As shown in FIGS. 1 and 2, the thigh support arm 24 has two spring wire rods penetrating downward from both sides of the case 20, and the lower end portions thereof are brought closer to each other and bent forward, and thereafter, to the rear. The thigh pad 25 made of a plastic plate bent in an inverted shape and curved in an arc shape at the front portion of the lower end is a stopper plate 2
6 is attached so as to be rotatable around the horizontal axis. The thigh pad 25 is locked to the front side of the thigh 30d of the wearer 30. The upper end of the thigh support arm 24 is projected upward from the case 20, a knob 24a is fixed to the projecting end, and the thigh support arm 24 is moved up and down by the knob 24a.

As shown in FIG. 4, the above-mentioned claw 17a is erected on the left rotation surface side with a gentle inclination and on the right rotation surface side in the radial direction, whereby the lower end of the thigh support arm 24 is moved backward ( When turning to the right (in FIG. 2), the stopper 21 can go over the claw 17a and rotate left, and when the lower end of the thigh support arm 24 turns to the front (to the left in FIG. 2), The stopper 21 engages with the pawl 17a to tighten the spiral spring 16. Further, belts 28 are attached to both sides of the waist pad 2 described above, and the belts 28 are used to attach the abdomen 3
0e is fastened to fix the waist pad 2 to the waist portion 30a.

Next, the usage of the above embodiment will be described. First, the waist pad 2 is applied to the waist 30a, and the belt 28
Then, the abdomen 30e is tightened to fix the waist rest 2 to the waist 30a. Next, the thigh pad 25 of the thigh support arm 24 is locked to the front side of the thigh 30d. That is, as shown by the phantom line in FIG. 4, the thigh support arm 24 is rotated backward by a predetermined amount (rotated left) to move the stopper 21 to the claw 17a of the ratchet wheel 17.
The thigh support arm 24 is rotated forward in this state to apply an initial weight to the spiral spring 16, and the thigh pad 25 is locked to the front side of the thigh 30d. In this case, the knob 24a is operated to adjust the initial downward projection amount of the thigh support arm 24.

Next, the chest support 8 of the body support arm 6 is brought into contact with the chest 30c. That is, the clip 7 of the upper body support arm 6 is released to separate the upper portion 6c into right and left, and the upper portion 6c
To the front of the chest and place each side 6b, 6b on both sides 3
0b, the upper part 6c separated by the clip 7 is connected, and the chest pad 8 is brought into contact with the chest 30c. In this case, the lower portion 6a is moved up and down with respect to the support pipe 5 to adjust the height of the chest pad 8 to a predetermined value. It should be noted that, for women, the chest pad 8 has a shape in which a portion corresponding to the breast portion is recessed forward and the breast portion is retracted.

According to the above embodiment, when the wearer 30 bends forward and the chest 30c approaches the thigh 30d,
As shown in FIG. 3, the upper body support arm 6 is rotated counterclockwise about the waist pad 2 via the chest pad 8.
On the other hand, the thigh support arm 24 is prevented from rotating counterclockwise by the thigh portion 30d, or is rotated clockwise by the thigh portion 30d about the waist pad 2, whereby the spiral spring 16 is rotated. Will be elastically deformed. As a result, the upper body support arm 6 and the thigh support arm 24 are
Are indicated by arrows (a) and (a) due to the reaction force of the spiral spring 16.
As described above, the urging force is exerted in the direction in which they are separated from each other, and the load on the upper half of the body due to forward bending is mainly carried by the spiral spring 16, that is, the bending and stretching assist tool 1, and the load on the waist of the wearer 30 is reduced.

In this case, the upper part of the upper body support arm 6 bypasses the side portions 30b and extends toward the chest 30c side, and pushes the chest 30c of the wearer 30 from the front side through the chest support 8. The upper body support arm 6 acts in a direction in which the spine of the wearer 30 is stretched when the wearer 30 bends and stretches. Therefore, even a person with low back pain can reduce the burden on the lower back during flexion and extension. Further, when standing up or stretching the back, the chest support 8 and the upper body support arm 6 are separated from the chest 30c, and the body is no longer pressed. Further, the upper body support arm 6 largely opens the back of the wearer 30 and the spiral springs 16 are closely attached to both sides of the waist so that the wearer can wipe the sweat on the back, shoulders, etc. , It is easy to arrange clothes. Also, pick 21
When a is pulled up and the stopper 21 is detached from the claw 17a, the thigh support arm 24 can be rotated forward, and the walking of the wearer 30 is no longer restricted.

[0016]

As is clear from the above description, the present invention can reduce the burden on the wearer's lower back during flexion and extension while imparting a stretching action to the wearer's spine. Moreover, the effect of smoothing the movements when standing up and walking and having a sense of unity with the body is obtained.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a right side view of FIG.

FIG. 3 is a side view showing a forward bending operation state.

FIG. 4 is an enlarged sectional view taken along line IV-IV in FIG.

[Explanation of symbols]

 1 Hip flexing / extending aid 2 Waist pads 2a, 2b Holding wire 2c Guide pipe 5 Support pipe 6 Upper body support arm 6a Lower part 6b Side part 6c Upper part 7 Clip 8 Chest rest 9 Clamp 10 Coil spring 15 Support pipe 16 Swirl Spring 16a Outer peripheral end 16b Inner peripheral end 17 Claw wheel 17a Claw 17b Support shaft 20 Case 21 Stopper 21a Pick 21 Coil spring 24 Thigh support arm 24a Pick 25 Thigh pad 26 Stopper 28 Belt 30 Wearer 30a Waist 30b Side Part 30c chest 30d thigh 30e abdomen

Claims (3)

[Claims] 1. A strength member having relatively high rigidity,
A long and slender arcuate waist pad (2) surrounding a semicircular portion on the back side of the waist is provided, and the waist pad (2) is made of a spring wire material that extends from the back side of the waist to both sides of the chest through both sides. The upper body support arm (6) is provided so as to be movable up and down, and a chest pad (8) that abuts against the chest is rotatably provided at the upper end of the upper body support arm (6), and the waist pad (2) The outer peripheral ends of the spiral springs (16) wound around the right and left axial centers are integrally connected to the left and right ends, and the ratchet wheel (17) is coaxial with the inner peripheral ends of the spiral springs (16). , A shallow container type case (20) is rotatably fitted to each ratchet wheel (17), and a stopper (21) detachable from the claw of the ratchet wheel (17) is attached to the case (20). A thigh support arm (24) protruding downward is provided on each case (20) so as to be vertically movable, A belt (28) for rotatably providing a thigh pad (25) for locking the front side of the thigh at the lower end of the thigh support arm (24), and winding an abdomen on both sides of the waist pad (2). A flexion and extension aid for the lower back, which is characterized in that 2. The hip flexion / extension aid according to claim 1, wherein the hip pad (2) is capable of expanding and contracting in the left-right direction and is biased to be shortened by a spring material. 3. The waist flexion / extension assisting device according to claim 1, wherein the upper body supporting arm (6) has its upper end portion separable left and right.