WO2021225337A1

WO2021225337A1 - Stretching backrest

Info

Publication number: WO2021225337A1
Application number: PCT/KR2021/005501
Authority: WO
Inventors: 강민구
Original assignee: Kang Min Gu
Priority date: 2020-05-04
Filing date: 2021-04-30
Publication date: 2021-11-11
Also published as: KR20230028342A; KR20210135113A; KR102502281B1; KR20240074745A

Abstract

The present invention relates to a backrest. More particularly, the present invention provides a stretching backrest capable of supporting a user's back, the backrest comprising a support member comprising a lower surface having a width and a length and an upper surface protruding upwards from the lower surface so as to be convex in a stereoscopic structure. A part of the lower surface of the support member, which ranges from one side surface to the other side surface of the lower surface, protrudes towards the upper surface of the support member, thereby providing an apex portion. The support member has a first curved portion formed in the transverse direction.

Description

stretch backrest

The present invention relates to an ergonomically designed backrest, and more particularly, by providing a backrest formed in a convex dome shape to induce the chest to naturally stretch as if stretching the chest when the user's body parts come into contact, thereby relaxing the body and reducing fatigue and fatigue. It relates to a functional backrest that efficiently reduces stress and allows for a more comfortable and upright posture.

In our daily life, we spend more time squatting or bowing our chests through work, study, smartphone, driving, etc. rather than artificially expanding our chests. In addition, general backrests that can be easily found in the market such as seat chairs or bed mats are made flat to support the user's back, or concave to cover the user's back, preventing the chest from expanding and keeping the chest and shoulders in check. There is a problem in that the user's body is biased to a specific position and does not have a correct posture, such as leaning forward, because it does not have a separate function to protect the back region.

When the user uses the backrest in an incorrect posture, the metabolism such as blood circulation becomes difficult as it presses on internal organs including the musculoskeletal and surrounding tissues including the spine and waist of the upper body, and thus the user is easily fatigued. feeling or is stressed by posture.

The technical problem to be achieved by the present invention is that the backrest supporting the back is formed in a convex dome structure shape to prevent the part that can stretch the chest, and the chest and shoulders, or the back including the spine and waist, do not have a correct posture. The purpose of this is to relax the body and to have a more comfortable and correct posture by supplementing the unstable posture that causes the body to be easily fatigued and stressful because it is concentrated in a specific position so that the chest is naturally stretched as if stretching the chest.

As a technical means for achieving the above-described problem, according to an embodiment of the present invention, in the backrest capable of supporting the user's back, the upper surface protrudes from the lower surface having the width and length in a convex three-dimensional structure toward the upper surface. A stretching backrest including a supporting member, wherein the supporting member protrudes upward from one side of the lower surface to the other side of the lower surface, has a top, and a first curved portion in the width direction is formed.

According to another aspect of an embodiment of the present invention, in the backrest capable of supporting the user's back, the support member includes a support member protruding in a convex three-dimensional structure from a lower surface having a width and a length toward the upper surface, the support The member may be provided with a stretch backrest, characterized in that the member protrudes upward from one side of the lower surface to the other side of the lower surface to have a top portion and a second curved portion in the longitudinal direction is formed.

According to another aspect of an embodiment of the present invention, in the backrest capable of supporting the user's back, the upper surface from the lower surface having a width and a length to the upper surface including a second support member protruding in a three-dimensional structure convexly toward the upper portion, , The second support member may be provided with a stretch backrest, characterized in that the upper surface protrudes from one side of the lower surface to the other side of the lower surface to have a top portion and a fourth curved portion in the width direction is formed.

In the stretch backrest, a seat may be provided.

In the stretching backrest, a protrusion may be formed.

In the stretch backrest, a depression may be formed.

In the stretching backrest, any one of a model frame that can be detached or put in and out, a height adjustment frame capable of adjusting the height, and a position adjustment frame capable of moving the position may be provided.

In the stretching backrest, it is formed on a wearable object and can be worn on the body.

According to the present invention, by forming the backrest in the shape of a convex dome structure, the chest is naturally stretched as if stretching the chest, the scapula and shoulders are tilted back, and the musculoskeletal and surrounding tissues of the upper body including the spine and waist, and internal organs are relaxed and fatigued. It can reduce stress and improve the quality of life by making you have a more comfortable and upright posture.

1 shows a backrest according to an embodiment of the present invention.

2(a) to 2(c) are cross-sectional views taken along line A-A` of FIG. 1, and are cross-sectional views of the support member according to the embodiment of the present invention.

3(a) and 3(b) are cross-sectional views taken along line B-B` of FIG. 1, illustrating a longitudinal cross-section of a support member according to an embodiment of the present invention.

4 is a diagram illustrating a state in which a user contacts a backrest according to an embodiment of the present invention.

Figure 5 (a) shows a cross section B-B` of Figure 1, showing a longitudinal section according to an embodiment of the present invention.

5(b) is a cross-section taken along line B-B` of FIG. 1, and is a longitudinal cross-section of the second support member according to an embodiment of the present invention.

Figure 5 (c) shows a cross section c-c' of Figure 1, showing a cross-section of the second support member according to the embodiment of the present invention

6 (a) to 6 (d) show a depression according to an embodiment of the present invention.

7 (a) and 7 (b) show the support member into which the injection material is injected according to an embodiment of the present invention.

Figure 8 (a) shows that the model frame detachable in the form of Velcro according to an embodiment of the present invention is provided.

Figure 8 (b) shows that the height adjustment frame according to the embodiment of the present invention is provided.

Figure 8 (c) shows that the position adjustment frame according to the embodiment of the present invention is provided.

9 is a view showing a wearable article to which a support member is coupled according to an embodiment of the present invention.

10 is a view showing a state in which the user wears the wearing article to which the support member is coupled according to an embodiment of the present invention.

Chest stretching is an artificial action that stretches the chest by putting the arms back and the shoulder blades and shoulders back. In this way, the spine and waist are straightened through chest stretching, relaxing the internal organs including the musculoskeletal system and surrounding tissues of the upper body. It relieves fatigue and stress and improves the condition of the body.

Advantages and features of the present invention, and a method for achieving them will become apparent with reference to the embodiments described below in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments presented below, but may be implemented in various different forms, and only the present embodiments are intended to inform those of ordinary skill in the art to which the present disclosure pertains to the scope of the invention. is provided for

Hereinafter, preferred embodiments in which those of ordinary skill in the art to which the present invention pertains can easily practice the present invention will be described in detail. However, in describing in detail the content (operation principle) of the preferred embodiment of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof is omitted. It will be omitted and will be described in detail with reference to the accompanying drawings.

1 and 4 show the shape of the backrest according to an embodiment of the present invention and a state in which the user is in contact with the backrest,

The backrest according to an embodiment of the present invention may include a support member 100 .

The support member 100 is formed in a dome shape while protruding in a convex three-dimensional structure toward the upper surface from a lower surface having a width and a length. The upper surface of the support member 100 may be a portion in direct contact with the user's back, and the lower surface of the support member 100 may be a surface opposite to the upper surface. The support member 100 has a three-dimensional structure having a predetermined width and height so as to support a user's back, and may be formed in a dome shape.

The support member 100 according to an embodiment of the present invention may include a first curved part 110 .

Referring to FIG. 2( a ), the first curved part 110 is downward from the top of the upper surface convexly protruding from one side of the lower surface of the support member 100 to the other side of the lower surface of the support member 100 to both sides in the width direction outward. A convex curve having an inclined surface can be formed.

The first curved portion 110 is a portion that is convexly formed along the width direction of the support member 100 , and the first curved portion 110 may be arranged around the thoracic vertebrae, and of the first curved portion 110 . The top portion may be preferably disposed in the user's shoulder blades, between the ribs.

In other words, the upper surface that convexly protrudes upward from the lower surface of the support member 100 toward the contact surface of the back region in the width direction, the upper portion corresponding to a portion between the shoulder blades and ribs forms a gentle slope or flat surface, and the top portion The outer side of both sides corresponding to the scapula, ribs or shoulder may form a generally convex dome structure having a first curved portion 110 formed of a downwardly inclined surface.

That is, surrounding tissues including the thoracic vertebrae, scapula, ribs, etc. symmetrical about the thoracic vertebrae may be supported as if wrapped around the first curved portion 110 while being sagged downward. It is possible to efficiently support, disperse, and absorb physical forces such as load and pressure while maintaining the center, balance, and directionality of the upper body through the first curved portion 110 of the support member 100 disposed as described above. .

The support member 100 according to an embodiment of the present invention may include a second curved part 120 .

Referring to FIG. 3 ( a ), the second curved part 120 is downward from one side of the lower surface of the support member 100 to the other side of the lower surface from the top of the upper surface convexly protruding outward from both sides in the longitudinal direction. A convex curve having an inclined surface can be formed.

The second curved portion 120 is a portion that is convexly formed along the longitudinal direction of the support member 100 , and the second curved portion 120 may be disposed around the thoracic vertebrae, and of the second curved portion 120 . The top may be preferably disposed between the 5th to 7th thoracic vertebrae of the user.

In other words, the upper surface convexly protruding upward from the lower surface of the support member 100 toward the contact surface of the back is a part of the thoracic vertebrae located between the cervical and lumbar vertebrae in the longitudinal direction and the corresponding upper portion is a gentle inclined surface or a flat surface. The outer side of both sides corresponding to the thoracic vertebrae in the cervical vertebrae or lumbar vertebrae direction around the apex may form a generally convex dome structure having the second curved portion 120 formed of a downward sloping surface.

That is, the surrounding tissues including the thoracic vertebrae and the back stem flowing along the spine, which is the central axis of the back, may be supported as if wrapped while being sagged downward along the second curved part 120 . Through the second curved portion 120 of the support member 100 disposed as described above, it is possible to efficiently support, disperse, and absorb a physical force such as a user's upper body load and pressure.

When at least one of the first curved portion 110 and the second curved portion 120 is formed in the support member 100 and the support member 100 is brought into contact with the user's back, chest stretching is performed centering on the user's thoracic vertebrae. You can induce the chest to straighten naturally.

Specifically, when a user comes into contact with the support member 100 having a convex dome structure that supports the back, the center of the back, balance, and directionality are shown in a shape that covers the support member 100 with the back part. It can support, disperse, and absorb efficiently while stably supporting the physical force of the upper body. In addition, it is possible to relax the musculoskeletal and surrounding tissues and internal organs of the upper body including the spine and lower back while allowing the scapula and shoulder to be tilted back, reduce fatigue and stress of the user, and to have a more comfortable and upright posture.

The backrest according to an embodiment of the present invention may include the second support member 150 .

The second support member 150 is formed in a dome shape with an upper surface protruding convexly from a lower surface having a predetermined width and length toward the upper portion in a three-dimensional structure.

The second support member 150 may support the lumbar spine including a portion of the user's sacrum and zygomatic bone while being formed under the support member 100, and the top of the second support member 150 supports the user's lumbar spine. It may be desirable to be centered.

The second support member 150 according to an embodiment of the present invention may include a third curved part 151 .

Referring to Figure 5 (b), the third curved portion 151 is a convex curve having a downwardly inclined surface on both sides in the longitudinal direction from the top of the upper surface convexly protruding from the lower surface of the second support member 150. can be formed

The second support member 150 according to an embodiment of the present invention may include a fourth curved part 153 .

Referring to Figure 5 (c), the fourth curved portion 153 is a convex curve having a downwardly inclined surface on both sides in the width direction from the top of the upper surface convexly protruding from the lower surface of the second support member 150. can be formed

In other words, the upper surface convexly protruding upward from the lower surface of the second support member 150 toward the contact surface of the waist region in the width direction, the top corresponding to the lumbar region forms a gentle slope or flat surface, and The square muscle and the outer side of both sides corresponding to the waist may form a generally convex dome structure having a fourth curved portion 153 formed of a downwardly inclined surface.

That is, surrounding tissues including the lumbar vertebrae and the quadratus lumborum muscle symmetrical around the lumbar vertebrae, the lumbar vertebrae, etc. may be supported as if wrapped while sagging downward along the fourth curved part 153 .

When at least one of the third curved portion 151 or the fourth curved portion 153 is formed in the second support member 150 and the second support member 150 is brought into contact with the user's waist, the user's lumbar region is centered on the second support member 150 . This will help you expand your chest.

Specifically, as described above, by forming the third curved portion 151 or the fourth curved portion 153 on the second support member 150, the second support member 150 is covered with the waist region and appears to be surrounded. This reduces unnecessary interference in the lower back region, creating conditions to reduce the pressure on surrounding tissues and bringing freedom of movement. In addition, it can relax the musculoskeletal and surrounding tissues and internal organs of the lower back including the lumbar spine, reduce fatigue and stress of the user, and make it possible to have a more comfortable and upright posture.

The second support member 150 may be integrally formed with the support member 100 under the support member 100 as shown in FIG. 5(a), but is not limited thereto, and the support member 100 ) may be disposed separately from the support member 100 in the lower portion.

When the support member 100 and the second support member 150 are used together, it is possible to support the upper and lower portions of the user's back, respectively, as shown in FIG. 4 , thereby allowing the user to have a more comfortable and upright posture. This will improve your quality of life.

The second support member 150 may have the same structure and shape as the support member 100 , and may be made of the same material and material.

The material of the support member 100 may be made of various materials as long as it can support the user's back while inducing the chest to expand in a generally convex dome shape.

The support member 100 may be made of various materials and materials such as TPE or NBR material, cotton, sponge, memory foam, silicon, plastic, metal, rubber, fiber, wood, etc., and may be configured alone or in combination.

The support member 100 is applied to various backrests, and may be formed in various configurations and methods as in the preferred embodiment of the present invention without being limited to any specific shape.

The support member 100 may support the back by using a material having various cushioning strengths, and varying the degree of convexity forming the curve depending on the material or conditions.

The upper surface of the support member 100 may be formed in a plurality of, multi-layered structures.

2(b), 2(c), and 3(b), when the upper surface of the support member 100 is formed in a multi-layered structure, the height of the support member 100 according to the user's requirements can be adjusted, through which the convexity of the support member 100 can be adjusted and the stretching strength can be varied.

A protrusion 130 including a protrusion may be formed on the upper surface of the support member 100 .

Referring to Figure 2 (b), Figure 2 (c), Figure 3 (b), the protrusion 130 can stimulate the user's meridians, through the protrusion 130 more efficiently the user's fatigue and can relieve stress. The protrusion 130 may be provided at various points of the support member 100 , and may be preferably disposed at a place capable of stimulating the user's poison meridians.

A recessed depression 160 may be formed on the upper surface of the support member 100 .

6 (a), 6 (b), 6 (c), referring to Figure 6 (d), the depression 160 is a groove on the upper surface of the support member 100 made of a convex dome shape, It may be formed in the shape of a hole or the like, and may be formed in consideration of reducing the pressure applied to the spine or breathability.

The depression 160 may be formed in various shapes according to the requirements of the user, and may be formed in a separated and spaced form as shown in FIGS. 6(a) and 6(b) or the sheet 200 as shown in FIG. 6(c). ) spaced apart or protruding from the surface to minimize the contact surface, and may be formed in a groove shape as shown in FIG. 6(d).

In addition, the portion described as the depression 160 in this embodiment may form a gentle slope or may be a protrusion including a protrusion in another embodiment, and the peripheral portion forms a downward slope to form a convex dome structure in general. can be

The inside of the support member 100 according to an embodiment of the present invention may be filled through various injection materials.

Referring to FIGS. 7 (a) and 7 (b) as an embodiment, the support member 100 may be formed of a tube 171, and the support member 100 has one side so as to increase or decrease internal pressure. As an air hole (not shown) is formed in the air hole and air is injected therein, the support member 100 can form a dome shape.

Meanwhile, a separate tube 171 may be provided inside the support member 100 to form a partition wall dividing a space. When the tube 171 having a partition wall is formed inside the support member 100 , it is sequentially expanded and contracted as the amount of the supplied injection material is increased or decreased to adjust the height and inclination of the support member 100 .

The support member 100 is formed in a generally convex dome structure with various materials and shapes, and a Velcro type that can stack single or multiple pads with adhesive force in multiple layers like a top, depending on the body type and preference of the user. It may be formed in a model frame 172 including a band shape in which a band is coupled to the support member 100 having a corresponding width and height, a pocket shape in which the support member 100 can be put in and out of the pocket, and the like. The model frame 172 can be manufactured by size and used by simply placing or combining it in a suitable place and various instruments while carrying it.

That is, the model frame 172 including the Velcro shape may be one of the support members 100 .

The support member 100 may be coupled to the seat 200, and the seat 200 may be formed of various materials, shapes and configurations if it can support the user's back.

The sheet 200 may be made of various materials and materials such as plastic, metal, rubber, fiber, wood, TPE or NBR material, memory foam, and the like, and may be configured alone or in combination.

The sheet 200 may have various shapes, such as a flat surface, a curved surface, a shape with a bottom surface recessed, a shape with both sides protruding, etc., and can safely support the movement of the body and protect it from dangers such as falls.

The support member 100 is a suitable place for a user to use or can be coupled in various ways to various devices and items, and the support member 100 is a model frame 172 such as the Velcro 170 or the pocket. ) can be combined elsewhere.

Referring to Figure 8 (a) as an embodiment, the support member 100 may be detachably coupled to the sheet 200, Velcro that can stack single or multiple pads in multiple layers like a top. (170) shape, the user's preferred and suitable position, height, inclination, width, etc. can be adjusted in a detachable manner according to the conditions according to the user's body type and preference, and the stretching strength can be adjusted.

In addition, a design (not shown) may be added to a point where the support member 100 is detachably attached to the seat 200 .

When the support member 100 is detached from the seat 200 , there is a risk that the point at which the support member 100 is detached from the seat 200 is not aesthetically pleasing. In order to prevent this, a design may be added to the point where the support member 100 is detachably attached from the sheet 200 to save the image.

On the other hand, the seat 200 may be provided with a pocket into which the support member 100 can be inserted, and the support member 100 can be coupled to the seat 200 while being inserted into the seat 200 . have.

The support member 100 may be provided with a height adjustment frame 210 capable of adjusting the height from the lower surface to the upper surface of the support member 100 . The height adjustment frame 210 may be formed on a sheet or the support member 100 , and if the height from the lower surface to the upper surface of the support member 100 can be adjusted, various devices may be used.

Specifically, the height adjustment frame 210 may be a model frame 172 device including a Velcro type having an adhesive force, a tube type device having the above-described bulkhead, and driving the magnification control of the camera lens (camera zoom lens) method It may be an electric motor slide device in which the height is extended and shortened by forming a multi-level layer by the electric motor driving method as shown in the figure. In addition, the height adjustment frame 210 may be a device in which a hydraulic cylinder or a pneumatic cylinder is used. The height adjustment frame 210 may be operated in a wired or wireless manner, and may be operated in various ways, such as an automatic operation mode and a periodically ascending and descending mode.

Referring to FIG. 8(b) as an embodiment, the height adjustment frame 210 can be extended or shortened in height by forming a multi-level layer. The height adjustment frame 210 can be sequentially raised or lowered by the driving device (not shown) of the electric motor, and the support member 100 targeted by the user through the height adjustment frame 210 . height can be adjusted.

The support member 100 may be provided with a position adjustment frame 220 capable of moving the position of the support member 100 in the longitudinal direction. Since the body size or preference is different depending on the user, there is a need to change the position of the support member 100 .

The position adjustment frame 220 may be formed of various devices as long as the support member 100 can be moved in the longitudinal direction.

Specifically, the position adjustment frame 220 changes the position using a pin and hole that holds a position in the vertical direction by inserting a pin into a hole having a predetermined interval, a manual slide that holds the position by pushing it by hand, and an attachment force. It may be a manual type device, such as a model frame 172, including Velcro.

In addition, the position control frame 220 may be a mechanical type device such as a rack and pinion, a hydraulic slide, or an automatic type device using electric and electronic devices such as an electric slide. The support member 100 may be moved to a position desired by the user through the position adjustment frame 220 .

Referring to FIG. 6(c) as an embodiment, the support member 100 is provided with a position adjustment frame 220 so that its position can be moved in the longitudinal direction. The positioning frame 220 may be coupled to the seat 200 provided with a groove along the longitudinal direction, and the seat 200 is a backrest of a chair that supports the user's back while being divided into two parts around the groove. can The position adjustment frame 220 can be moved along the groove of the seat 200 by a driving device (not shown). You can change the location.

On the other hand, referring to Figure 8 (c), The support member 100 is provided with a position adjustment frame 220 for manually or automatically sliding the position to the upper and lower ends in the longitudinal direction by coupling the moving bracket that is the position adjusting frame 220 on the support member 100 . can

9 is a view showing a state in which the support member 100 is coupled to the seat 200 that is the back plate of the wearable object 300 .

The backrest according to an embodiment of the present invention may be used as a wearable type, and the support is provided on the backboard of the wearable object 300 including clothing such as a vest, a band, a backpack, and leggings including a bag. The member 100 may be formed to induce the chest to naturally stretch as if stretching the chest.

Referring to FIG. 9 as an embodiment, the backrest according to an embodiment of the present invention may further include a seat 200 to which the support member 100 is coupled. And the seat 200 may be provided with a wearing hole 310 to be worn on the user's body.

In order to manufacture the backrest according to the embodiment of the present invention in this form, the support member 100 is formed on a portion of the seat 200 in contact with the user's back, and the wearer 310 is provided with a shoulder strap ( 311), a chest band 312, and a waist band 313, but is not limited thereto, and the seat 200 may be made of various materials and shapes, including various configurations, as long as it can be worn on the user's body.

The support member 100 may be provided inside the sheet 200 , and may be exposed to an outer surface of the sheet 200 .

The method of coupling the support member 100 to the seat 200 includes a method using an elastic force such as a spring or tube, including a general method, a model frame method that can be attached and detached with Velcro, a band type, or a pocket type, etc., Various methods can be used, such as a height adjustment frame in which the multi-stage rises and falls, and an adjustment frame method in which the multi-stage moves in the longitudinal direction.

At least one of the support member 100 and the second support member 150 may be included in the sheet 200 .

10 is a view showing a state in which the support member 100 is formed on the back plate of the wearable object 300 and is worn on the user's body.

When the wearable object 300 is worn, it can have tension according to flexion and elongation, and can induce the chest to naturally stretch as if stretching while reducing the burden on the shoulder.

A backrest according to an embodiment of the present invention may include the features described in FIGS. 1 to 10 .

The technical idea of the present invention has been described through the embodiments of the drawings above, and the present invention is characterized in that it is provided with a backrest formed in a convex dome shape to induce the chest to be stretched.

The above description of the present invention is for illustration, and those of ordinary skill in the art to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention. do.

Claims

In the backrest that can support the user's back,

Including; a support member protruding in a three-dimensional structure convexly toward the upper surface from the lower surface having a width and a length;

The support member protrudes upward from one side of the lower surface to the other side of the lower surface, has a top portion, and a first curved portion in the width direction is formed.
In the backrest that can support the user's back,

Including; a support member protruding in a three-dimensional structure convexly toward the upper surface from the lower surface having a width and a length;

The support member protrudes upward from one side of the lower surface to the other side of the lower surface, has a top, and a second curved portion in the longitudinal direction is formed.
In the backrest that can support the user's back,

A second support member protruding in a three-dimensional structure convexly toward the upper surface from the lower surface having a width and a length;

The second support member protrudes upward from one side of the lower surface to the other side of the lower surface, has a top portion and a fourth curved portion in the width direction is formed.
4. The method according to any one of claims 1 to 3,

The backrest is a stretch backrest provided with a seat.
4. The method according to any one of claims 1 to 3,

The backrest is a stretch backrest in which a protrusion is formed.
According to any one of claims 1 to 3,

The backrest is a stretch backrest in which a depression is formed.
4. The method according to any one of claims 1 to 3,

The backrest is a stretching back provided with any one of a model frame that can be detached or put in and out, a height-adjustable frame that can adjust the height, and a position-adjustable frame that can move the position.
4. The method according to any one of claims 1 to 3,

The backrest is a stretch backrest that is formed on a wearable object and can be worn on the body.