WO2017033467A1

WO2017033467A1 - Seat cushion

Info

Publication number: WO2017033467A1
Application number: PCT/JP2016/003874
Authority: WO
Inventors: 武史杉浦
Original assignee: 有限会社スギウラクラフト
Priority date: 2015-08-26
Filing date: 2016-08-25
Publication date: 2017-03-02
Also published as: CN107683099A; JP6778437B2; JPWO2017033467A1

Abstract

The present invention enables a cushion to be readily customized to suit requirements regarding body shape, seat size, and the like, and can be used for multiple purposes. A seat cushion (1) consists of: a base cushion (2A), the top surface of which is covered by a first fastener (2a) which is a raised fabric formed with a single sheet of densely raised hooks; one center pad (3) that comprises a curved top surface and a flat bottom surface, that has a cushion covered by a cover sheet having multiple ventilation holes, that is long in the width direction, and that has second fasteners (3a–3d) attached to the bottom surface thereof and formed with densely raised or flocked loops; and a pair of upper side wing pads (4A), each of which has a fold, is long in the vertical direction, comprises a curved top surface and a flat bottom surface, has a cushion covered by a cover sheet having multiple ventilation holes, and has third fasteners (4a–4c) attached to the bottom surface thereof and formed with densely raised or flocked loops.

Description

Seat cushion

The present invention relates to a seat cushion that can be attached to a vehicle seat (seat), a chair, or the like, and in particular, to make it possible to adjust a difference in human characteristics and preferences of a seated person so that the user can sit comfortably and fatigue back and waist. Further, the present invention relates to a seat cushion that can reduce moisture and prevent stuffiness caused by perspiration.

The invention described in Patent Document 1 provides a back cushion that keeps a comfortable posture by making it difficult to cause a lateral slip according to the body shape and preference of the person to use when sitting on a car seat or chair. It is a back cushion composed of two left and right side pads, and the side pads can be moved up and down and up and down according to the body shape and preference of the user.

The invention described in Patent Document 2 provides a body burden reduction holder that creates a shape that reduces the burden on the body that is subjected to pressure when a chair or the like is used, and maintains a desirable posture. A chair or the like is formed in accordance with the physical characteristics of the user by appropriately arranging a bulging holding member on the seat portion so as to be detachable with a detachable tape.

The invention described in Patent Document 3 provides a posture correction tool for reducing fatigue that is likely to occur during driving of a car, and by attaching a resilient rod-like cushion to the backrest so as to be detachable, the spine is straightened. The center of gravity is always located at the center of the body, so that fatigue of the body can be eliminated.

The invention described in Patent Document 4 provides a pad structure suitable for a vehicle seat, the shape of which can be changed in accordance with the user's physique, and the left and right raised portions (side support) of the seat back and the seat cushion. The cushion body is detachably inserted into the part) to obtain a shape that matches the physique of the user.

Utility Model Registration No. 3151402 JP 2002-233435 A JP 2005-313855 A JP 2009-291525 A

However, existing products are not easy to use, as cushions cannot be easily customized according to your body shape, seat size, and other needs, and it is not possible to make optimal choices for each living environment. Absent. In addition, since it is not a compact and lightweight design that supports the minimum necessary parts, it is not easy for women to easily change from a car to an office chair.

Also, the contribution to health through dispersion of body pressure and posture correction is poorly supported by scientific viewpoints. In addition, people want to correct posture, reduce fatigue from long-term sitting, relieve pain from troubles in the buttocks such as heels, postpartum women want to reduce the burden from waist to hips, etc. It has not been able to meet various requests.

There is also a desire to provide support gear with an attractive and sophisticated design.

It is still not sufficient from the viewpoint of being able to sit stably and reducing accumulated fatigue due to sitting for a long time.

The present invention can easily customize cushions according to needs such as body size and seat size, can make an optimal selection according to each living environment, improve usability, need A compact and lightweight design that supports the smallest parts, that it can be used in various situations in daily life such as driving, office work, wheelchairs, etc., that it can contribute to health by dispersing body pressure and correcting posture. It is to provide a sophisticated design, to be able to sit stably and to reduce accumulated fatigue due to prolonged sitting.

According to the first aspect of the present invention, the base cushion covered with the first hook-and-loop fastener, the surface is formed of a curved surface, the cushion is covered with a cover sheet having a large number of air holes, and the second hook-and-loop fastener is attached to the back surface. And a pair of upper side wing pads having a constriction, wherein the cushion is covered with a cover sheet having a large number of ventilation holes and the third surface fastener is attached to the back surface. The center pad and the upper side wing pad are attached to the base cushion by engaging the second surface fastener and the third surface fastener with the first surface fastener, and the second surface fastener and the third surface By peeling the fastener from the first surface fastener, the center pad Beauty on the side wing pad is possible to separate from the base cushion, by the engagement and release, the position and / or the type capable of changing the seat cushion of the center pad and the upper side wing pads.

According to a second aspect of the present invention, the third surface fastener on the back surface of the upper side wing pad is formed in a band shape, and one side of the longitudinal side is vertically fixed to the inner edge of the back surface of the upper side wing pad. The other side is a free end and is folded inward, with an additional small third surface fastener on the outside.

In the invention of claim 3, the base cushion covered with the first hook-and-loop fastener, the surface is formed of a curved surface, the cushion is covered with a cover sheet having a large number of air holes, and the second hook-and-loop fastener is attached to the back surface. And a pair of lower side wing pads having constrictions, the surface of which is formed of a curved surface, the cushion is covered with a cover sheet having a large number of ventilation holes, and a third hook-and-loop fastener is attached to the back surface. Then, by engaging the second surface fastener and the third surface fastener with the first surface fastener, the cypad and the lower side wing pad are attached to the base cushion, and the second surface fastener and the third surface fastener are attached. By separating from the first hook-and-loop fastener, the cypad and the lower side Ingupaddo are possible to be detached from said base cushion, by the engagement and release, the position and / or the type capable of changing the seat cushion of the Saipaddo and lower side wings pad.

According to a fourth aspect of the present invention, the third surface fastener on the back surface of the lower side wing pad is formed in a band shape, and one side of the longitudinal side is vertically fixed to the inner edge of the back surface of the upper side wing pad. The other side is a free end and is folded inward, with an additional small third surface fastener on the outside.

The upper side wing pad or the lower side wing pad is configured such that the air permeability and the elastic repulsion force are different, and the thickness and hardness of the center pad or the upper side wing pad can be changed. It is also possible to combine a three-dimensional network structure with good ventilation and one with different rebound resilience, and the order and number of mats can be changed as desired by the user.

The invention of claim 5 is provided with an insertion pad at the lower end or the upper end of the base cushion.

In the invention of claim 6, at least a pair of belts are provided on the base cushion.

In the invention of claim 7, a plurality of types of pads having different hardness and / or size of the cushion are exchanged and used.

In the invention of claim 8, the upper side wing pad or the lower side wing pad has a rhombus shape, the outer thickness is thicker than the inner side, and the rod-shaped core is arranged along the outer side.

The invention of claim 9 is a structure in which the seat cushion of claim 1 and the seat cushion of claim 3 are combined vertically.

The invention of claim 10 is provided with a pair of back pads on the upper part of the base cushion and a pair of leg pads on the lower part of the base cushion, and all the pads are removable.

In the invention of claim 11, the thickness of the back pad is larger than the thickness of the base cushion and smaller than the thickness of the center pad and the upper side wing pad, and the lateral width of the back pad is the maximum lateral width of the center pad, upper side wing pad and pad. Smaller, the back pad is disposed between the upper side wing pads above and below the center pad.

In the invention of claim 12, the thickness of the leg pad is larger than the thickness of the base cushion, smaller than the thickness of the cypad and the lower side wing pad, the lateral width of the leg pad is smaller than the maximum lateral width of the cypad and the lower side wing pad, The pad is disposed between the cypad and the lower side wing pad.

According to a thirteenth aspect of the present invention, the upper side wing pad and / or the lower side wing pad has a rhombus collar shape, the outer thickness is thicker than the inner side, and a rod-shaped core is enclosed along the outer peripheral edge.

According to a fourteenth aspect of the present invention, the cypad has a western shape, and a central core is enclosed in the vertical direction in the central portion and is thicker than the peripheral portion.

In the invention of claim 15, the center pad is a V-shaped pentagon or hexagon.

According to the invention of claim 16, the base cushion has a bent portion projecting to the back surface side by joining the end portions of the two seat cushions while being sewn together, and has a first L-shaped state and a horizontal first cushion. It is a structure that can be changed to the state of 2.

In the invention of claim 17, the insertion portion is detached from the bent portion.

The present invention is applied to an object intended to sit, such as a seat of a vehicle such as an automobile and a backrest of a chair.

The above core is made of polyethylene foam, the covering material is made of polyurethane resin foam, the cover sheet is a mesh knitted fabric or a double raschel solid knitted fabric, and the double raschel solid knitted fabric is a warp knitting method. It is a highly breathable fabric with a knitted honeycomb-like honeycomb structure. Because it is double, it has strong elasticity, it also has a quick drying property and reduces discomfort with a light touch, so it ensures air permeability as a seat cushion and prevents stuffiness due to sweat etc. it can.

The seat cushion is accommodated in the entire interior of the cover sheet, and the cushion made of the rod-shaped core and covering material has a roundness on the side to which a load is applied in a cross section perpendicular to the longitudinal direction, and an upper side wing pad. The seat cushion also includes the inner core, and the inner core can be a seat cushion having higher resilience than the portion of the cushion that does not include the inner core.

According to the first aspect, the center pad or the upper side wing pad can be attached to and detached from the base cushion so that the position can be freely changed up and down and left and right. It is possible to freely adjust the position of the wing pad. In addition, the number of center pads or upper side wing pads can be freely used. The type of the center pad or upper side wing pad (for example, surface characteristics such as dimensions, hardness, thickness, air permeability, etc.) can be freely changed. This makes it possible to overcome differences in body shape such as height and weight of the person who uses the seat, differences in preference, and the like. Furthermore, seat cushions can be used for various purposes, such as for automobiles and chairs, and the degree of freedom is increased.

According to the invention of claim 2, since the mobility of the side wing pad can be enhanced and the back wing pad can be fitted so as to wrap the back, it is possible to prevent the deviation of the posture and reduce the feeling of fatigue.

According to the invention of claim 3, since the cypad or the lower side wing pad is detachable from the base cushion, the position of the cypad or the lower side wing pad can be freely adjusted. Further, the number of cypads or lower side wing pads can be freely used. The type of cypad or lower side wing pad (for example, surface characteristics such as dimensions, hardness, thickness, and air permeability) can be freely changed. This makes it possible to overcome differences in body shape such as height and weight of the person who uses the seat, differences in preference, and the like. Furthermore, seat cushions can be used for various purposes, such as for automobiles and chairs, and the degree of freedom is increased.

According to the invention of claim 4, since the mobility of the side wing pad can be improved and the back can be fitted so as to wrap the back, it is possible to prevent the deviation of the posture and reduce the feeling of fatigue.

According to the invention of claim 5, the user can easily attach and detach the seat, the chair, etc., and the convenience can be greatly improved.

According to the invention of claim 6, by providing the belt, the seat cushion can be easily attached to the seat. A snap fit is provided at the end of the belt for easy attachment and detachment.

According to the invention of claim 7, the pad can be easily replaced in a semi-order sense.

According to the invention of claim 8, since it has a constriction, the degree of freedom of the hand can be secured, the air circulation can be improved, and the comfort can be provided. By wrapping the upper or lower body from both sides, it is possible to properly prevent posture collapse such as body displacement with a semi-order feeling.

According to the invention of claim 9, it is possible to provide a full custom cushion capable of adjusting the position in a semi-order sense according to the body shape, the state of the seat, the trouble of the body, and personal preference.

According to the invention of claim 10, it is possible to adjust the load on the back and feet in a semi-order sense.

According to the invention of claim 11, the back is supported three-dimensionally, the body pressure dispersion function of the back is promoted, and a massage effect is also produced.

According to the twelfth aspect of the present invention, the cushioning property of the buttocks and the tailbone can be increased and the dispersion of the body pressure can be further added, the thickness of the seat surface can be increased, and the cushioning property and the eye point can be optimized.

According to the invention of claim 13, the upper body or the lower body is wrapped from both sides to prevent posture collapse such as body displacement. Because it is V-shaped, it can be used for people of various physiques and can be fit to fit your physique, so it is hard to feel fatigue even after long-term use.

According to the invention of claim 14, the thigh can be supported to prevent the posture from collapsing, and the best position can be supported for a long time.

According to the invention of claim 15, it is possible to support the best position for a long time by supporting the back and preventing the posture from collapsing. The center pad correctly holds the S-shaped line of the lower back, which is the natural posture of the human body, and distributes the burden. In addition to the support around the waist, it can also be installed around the neck, and it can also be a neck support by shifting the position up and down.

According to the invention of claim 16, in addition to the user sitting on the seat cushion, it can also be used for sleeping by advancing the seat cushion.

According to the invention of claim 17, the insertion portion can be attached to and detached from the base cushion, and is difficult to come off from the base cushion.

It is a perspective view from the front side of the seat cushion (seat cushion) of Embodiment 1 of the present invention. It is a perspective view from the back side of the seat cushion of Embodiment 1 of the present invention. It is a disassembled perspective view from the front side of the seat cushion of Embodiment 1 of the present invention. It is a perspective view from the front side of the center pad of Embodiment 1 of the present invention. It is a perspective view from the back side of the center pad of Embodiment 1 of the present invention. It is explanatory drawing of the structure of the change form of the center pad of Embodiment 1 of this invention. It is a perspective view from the front side of the upper side wing pad of Embodiment 1 of the present invention. It is a perspective view from the back side of the upper side wing pad of Embodiment 1 of the present invention. 9A is a cross-sectional view taken along the line AA in FIG. 9B, and FIG. 9B is a plan view showing the arrangement of the cores of the upper side wing pad according to the first embodiment of the present invention. It is a perspective view which shows the example of mounting to the motor vehicle of Embodiment 1 of this invention. It is a perspective view from the front side of the seat cushion of Embodiment 2 of the present invention. It is a perspective view from the back side of the seat cushion of Embodiment 2 of the present invention. It is a disassembled perspective view from the front side of the seat cushion of Embodiment 2 of the present invention. It is a perspective view from the front side of the cypad of Embodiment 2 of the present invention. It is a perspective view from the back side of the cypad of Embodiment 2 of the present invention. FIG. 16A is a central cross-sectional view of a cypad according to Embodiment 2 of the present invention, and FIG. 16B is a cross-sectional view in use (hatching omitted). It is a perspective view from the front side of the lower side wing pad of Embodiment 2 of the present invention. It is a perspective view from the back side of the lower side wing pad of Embodiment 2 of the present invention. It is a perspective view which shows the example of mounting to the motor vehicle of Embodiment 2 of this invention. It is a perspective view which shows the example of mounting to the motor vehicle of Embodiment 3 of this invention. It is a perspective view from the front side of the seat cushion of Embodiment 4 of the present invention. It is a perspective view from the back side of the seat cushion of Embodiment 4 of the present invention. It is a disassembled perspective view from the front side of the seat cushion of Embodiment 4 of the present invention. It is a perspective view from the front side of the seat cushion of Embodiment 5 of the present invention. It is a perspective view from the back side of the seat cushion of Embodiment 5 of the present invention. It is a disassembled perspective view from the front side of the seat cushion of Embodiment 5 of the present invention. It is a perspective view from the front side of the lower side wing pad of Embodiment 5 of the present invention. It is a perspective view from the back side of the lower side wing pad of Embodiment 5 of the present invention. It is a perspective view from the front side of the seat cushion of Embodiment 6 of the present invention. It is a left view of the seat cushion of Embodiment 6 of this invention. It is a right view of the seat cushion of Embodiment 6 of this invention. It is a top view of the seat cushion of Embodiment 6 of the present invention. It is a bottom view of the seat cushion of Embodiment 6 of the present invention. It is a rear view of the seat cushion of Embodiment 6 of the present invention. It is a perspective view from the front side of the base cushion of Embodiment 6 of this invention. It is a perspective view from the back side of the base cushion of Embodiment 6 of this invention.

Embodiments of the present invention will be described in detail below. The seat cushion 1 (seat 本 cushion: hereinafter referred to as cushion 1) shown in FIGS. 1 to 10 of Embodiment 1 of the present invention can be attached to or detached from the automobile seat 90 shown in FIG. Although abbreviated, it can be attached to or removed from a chair or the like. It can be used exclusively for a vehicle seat 90 or a chair, and can also be applied to a wheelchair. Moreover, it can also be diverted to each other for an automobile seat 90 or a chair. Hereinafter, the cushion 1 will be described in detail with reference to the drawings.

The cushion 1 is a raised fabric that is raised in a single loop shape on a surface of a foamed urethane sheet (urethan sheet) having an expansion ratio of 20 to 40 (here, 30 times), for example, A base whose front side is covered with a first hook-and-loop fastener 2a formed by laminating a so-called French pile (a satin tricot front yarn is pulled out for a long time, then knitted and raised, and then the front yarn is pulled out into a loop pile) Cushion 2A (hereinafter referred to as cushion 2A), the front surface is composed of a curved surface, and the back surface is a flat surface. The cushion is covered with a cover sheet having a large number of air holes, and is raised or flocked in a hook-like shape. One center pad 3 (hereinafter referred to as pad 3) which is long in the horizontal direction and has the second surface fasteners 3a to 3d attached to the back surface. And a long surface in the vertical direction, the surface is composed of a curved surface, and the back surface is composed of a flat surface. The cushion is covered with a cover sheet having a large number of ventilation holes, and the hook-like shape is raised or flocked. It is composed of a pair of upper side wing pads 4A (hereinafter referred to as pads 4A) having constrictions with third surface fasteners 4a to 4c attached to the back surface. The number of

pads

3 and 4A can be increased or decreased as appropriate. In addition to the above hook-and-loop fastener structure, both hooks and loops are implanted, and there is no distinction between the hook surface and the loop surface, or a mushroom-shaped brushed type with a strong binding force and sawtooth Various variations such as a shark bite (toothed tooth type) can be taken. Also called Velcro fastener. Hereinafter, “surface fastener” is abbreviated as “fastener”.

As shown in FIGS. 4 to 6, the pad 3 has a V-shaped hexagon that is long in the horizontal direction, and is arranged at positions corresponding to the head, neck, back, and waist regions, and vertically from the head to the waist region. The arrangement can be changed. The pad 3 may be a V-shaped pentagon only at the bottom. In FIG. 1, 10, it has arrange | positioned in the position of the head. In the pad 3, the front fabric 30 and the back fabric 31 of the front cover sheet are continuously joined at the peripheral edge 32 by sewing, and a cushion as a core material is enclosed inside. The cover sheet is a mesh knitted fabric or a double raschel solid knitted fabric. The peripheral edge 32 is made of the same material as the cover sheet. Air permeability as a seat cushion can be ensured to prevent stuffiness caused by sweat. The core material 35 shown in FIG. 6 is an open-cell urethane foam (Mort filter (registered trademark): urethane filter having a completely open-cell structure formed by special treatment of urethane foam), which is a three-dimensional network structure. For example, when producing a polyurethane foam, a foam, a polyisocyanate, and a foaming agent are used as the main components, foaming is performed using a foam stabilizer, a tertiary amine, and various additives, followed by curing. ing. In order to obtain a polyurethane foam having a higher air permeability, the foaming is performed after foaming. This melting process blows off the cell membrane and leaves only the skeleton structure formed in the polyurethane foam. For example, in the melting process, a polyurethane foam composed of a large number of open cells is housed in an explosion-proof container, and a mixture of propane gas and oxygen filled in the container is ignited to explode it. By the pressure accompanying the explosion, the cell membrane separating many cells in the polyurethane foam is blown away, and only the three-dimensional network skeleton structure is left, thereby obtaining the polyurethane foam from which the cell membrane has been removed. The pad 3 may be a foam of polyethylene resin or polyurethane resin. The pad 3 gives the user a unique and comfortable feel. When the pad 3 is attached to the cushion 2A, the state shown in the figure may be turned upside down and attached to the cushion 2A according to the body shape, or the position can be shifted up and down.

As shown in FIG. 5, the second fasteners 3a to 3d are attached to appropriate positions such as the peripheral portion by sewing on the back surface of the pad 3 so that the attachment position can be changed.

As shown in FIG. 6, a plurality of cushions 35 to 37 may be detachable by opening and closing the fastener 39. Details of the structure will be described later.

7 to 10, the pair of pads 4A has a shape of a lace collar of clothes, the outer thickness is thicker than the inner side, and has a symmetrical shape as shown in FIGS. The pad 4A has a shape that is long in the vertical direction. Here, it is a vertically long shape with a constriction. The degree of freedom of the hand can be secured, and the air circulation can be improved to provide comfort. In the pad 4A, the front fabric 40 of the front cover sheet and the back fabric 41 are continuously joined at the peripheral edge 42 by sewing. The cover sheet is a mesh knitted fabric or a double raschel solid knitted fabric. The peripheral portion 42 is made of the same material as the cover sheet. Air permeability as a seat cushion can be ensured to prevent stuffiness caused by sweat. The core material is made of a foam of polyethylene resin or polyurethane resin. When attaching the pad 4A to the cushion 2A, the state shown in the figure may be reversed upside down and attached to the cushion 2A according to the body shape.

Each pad 4A is provided with a linear inner end sewing line 43 and a collar outer end line 44 having a constriction as shown in FIG. 8 and the like. A recess 46 and a lower triangular portion 47 are provided. The thickness is generally uniform, but a difference in thickness may be provided. Inside the pad 4A, a rod-shaped core 48 and a covering material 49 for covering the same are enclosed. As shown in FIGS. 9A and 9B, the center core 48 is disposed along the curved line at the outer end to ensure strength and cushioning, and the inner region is provided with a covering material 49 to ensure air permeability. is doing.

The back surface of the pad 4A can be changed by attaching a plurality of third fasteners 4a to 4c at this position as shown in FIG. The third fastener 4a is formed in a band shape, and one end portion in the vertical direction is fixed to the end portion of the back surface of the pad 4A by sewing in the vertical direction, and the other end portion is folded inward to be a free end. Thereby, the position of the pad 4A with respect to the cushion 2A can be easily shifted, the degree of freedom of the position is increased, and the movable range is expanded. The

third fasteners

4b and 4c are smaller than the third fastener 4a, and are fixed to the back surface of the pad 4A by sewing. By attaching the third fasteners 4a to 4c to these positions, it is possible to realize that the pad 4A can freely move according to the human waist and back at the time of sitting.

The cushion 1 attaches the pad 3 and the pad 4A to the cushion 2A by engaging the second fasteners 3a to 3d and the third fasteners 4a to 4c having hook-shaped filaments with the loop-shaped raised fabric of the cushion 2A. By separating the second fasteners 3a to 3d and the third fasteners 4a to 4c from the first fastener 2a which is a loop-shaped raised fabric, the pad 3 and the pad 4A can be detached from the cushion 2A. By such engagement and separation, the cushion performance such as the position and / or hardness of the pad 3 and the pad 4A can be changed.

A pair of belts 2e is provided on the top of the cushion 2A, and a pair of belts 2f is provided in the center. The

belts

2e and 2f are for attaching to the seat, and a removable device is provided at the end. By providing these

belts

2e and 2f, the seat cushion can be easily attached to the seat. The detaching device has, for example, a snap-fit structure, and is preferably detachable with one touch.

The insertion pad 2g (hereinafter referred to as pad 2g) is provided at the lower end of the cushion 2A. The internal structure of the pad 2g is the same as the internal structure of the side pad 4A, and has a central core. The pad 2g is exemplified by a pad whose size is adapted to be inserted into a groove between a seat portion and a backrest of an automobile seat 90.

The

pads

3, 4A and 2g are preferably, for example, a rod-shaped core coated with a coating material or a laminate of at least two layers of mats covered with a breathable cover sheet. It is preferable that the degree and the elastic repulsion force are different. The thickness and hardness of the pad 3 or the pad 4A can be changed. It is also possible to combine a three-dimensional network structure with good ventilation and one with different rebound resilience. It is preferable that the order and number of mats can be changed as desired by the user.

The cover sheet of each pad is a material having a large number of ventilation holes, and is not particularly limited as a material. However, a mesh knitted fabric with various fibers is preferable, and in particular, a double raschel in terms of having an appropriate cushioning property. A three-dimensional knitted fabric can be suitably employed. Air permeability as a seat cushion can be ensured to prevent stuffiness caused by sweat. As the fiber, various synthetic fibers, natural fibers, and recycled fibers can be used, and nylon fibers, polyester fibers, polypropylene fibers, and the like are preferable.

The inner core and the covering material of the pad 3,

pad

4A, 2g are made of polyurethane foam or polyethylene foam, and the rebound resilience of the inner core is preferably higher than that of the covering material.

As the inner core accommodated in the inside, it is possible to adopt a material having high rebound resilience measured in accordance with JIS K6400-3. As this material, a foam (Minafoam Marumal (registered trademark), manufactured by Sakai Chemical Industry Co., Ltd.), for example, having a diameter of 18 mm to 50 mm, is adopted as a high-polyethylene foam. Tensile strength JIS K6767 at ² ~ 5.3kgf / cm 2, a 22.3 ~ 148.6N / 50mm at 8.2 ~ 96.0N / 50mm, 50% compression at a compression load of 25% compression. Also, for example, a foamed sheet containing high density polyethylene polymerized using a metallocene catalyst, the melt tension of the high density polyethylene is 0.5 to 15 g, and the MFR is 1.5 to 10 g. / 10 min, foaming ratio is 2 to 50 times. A high foamed polyurethane resin (Achilles (registered trademark)) may also be used. The covering material is preferably a material having low impact resilience. It is preferable that the center core is disposed in a region to which a load is applied.

A synthetic resin high foam is used as the core of each pad, and one or two or more high foams such as polyurethane resin, polyethylene, polypropylene, and polystyrene can be laminated and used. In particular, it is preferable to use a polyethylene foam or a laminated foam obtained by wrapping a core made of a polyethylene foam with a polyurethane foam for a portion where moderate impact resilience is expected. As the polyethylene high foam, a product of a high foam polyethylene sheet can be cut and used. For example, Miramat (registered trademark) manufactured by JSP is exemplified. As the high-polyethylene foam, a foam having closed cells and a foaming ratio of about 10 to 60 times (bulk density of about 15 to 92 kg / m ³ ) is used. In particular, a polyethylene foam having an expansion ratio of 20 to 40 times is preferable. As the highly foamed polyurethane resin, either an open-cell type or a closed-cell type can be used. It is preferable to employ a laminated foam in which an inner core made of polyethylene high foam is wrapped with a coating material made of polyurethane resin high foam.

As each pad, a cushion made of a synthetic resin high foam can be used alone or in combination of two or more. For example, a polyurethane foam high foam is adopted. The second cushion is configured by wrapping a core having high rebound resilience with a first cushion that is a covering material having lower rebound resilience. In the present specification, as the core material and the covering material, a cushion made of the above-described synthetic resin high foam can be used in combination.

The second cushion may be a rectangular shape with a flat cross section and a core with a rounded cross section on the side in contact with the human body and covered with a covering material.

The peripheral edges of the cushion 2A, the

pads

3 and 4A are trimmed and sewn, and the entire peripheral edges are edge stitched portions.

Instead of the above, as shown in FIG. 6, each pad may be laminated with at least a first cushion mat made of a three-dimensional solid network structure mat and a second cushion mat having different elastic repulsive forces. Each of the pads has a fastener, and it is preferable that three or more types of cushion mats having different resilience are stacked and housed therein.

Inside each pad is an open cell open cell urethane foam (Malt Filter (registered trademark), manufactured by INOAC Corporation (registered trademark)), polyethylene foam (PE Lite Z, manufactured by ZOTEFORMES), urethane foam, respectively. Although what laminated | stacked the board | plate material which consists of three types of materials called a body (high ventilation foam, Achilles (trademark)) is mentioned, it is not limited to this. Only one type of cushion mat of the above three types of materials may be included, or a combination of the three types may be used. The foam is set so that the elastic repulsion force and air permeability are different. These stacking orders can be appropriately changed by the user, and the hardness of the surface contacting the head can be adjusted according to the preference of the seated person. Further, the number of mats may be any number that suits the user's preference, so that at least one or more mats need only be accommodated, and the rebound resilience can be easily adjusted.

This embodiment is applied to an object intended to sit with a backrest, such as a seat of a vehicle such as an automobile or a chair.

According to the first embodiment, the positions of the

pads

3 and 4A can be freely changed vertically and horizontally by detaching them from the cushion 2A according to the body shape and preference of the user. As a result, it can be adapted to the body shape of the user and can be used in a preferred position.

According to the cushion 1 of the first embodiment described above, since the pad 3 or the pad 4A can be detached from the cushion 2A, the position of the pad 3 or the pad 4A can be freely adjusted. Moreover, the kind or number from which the magnitude | size of the impact resilience of the pad 3 or the pad 4A differs can be used properly. The type of pad 3 or pad 4A (for example, surface characteristics such as dimensions, hardness, thickness, and air permeability) can be freely changed. It is possible to overcome differences in body shape such as height and weight of the person who uses the seat, differences in preference, and the like. The cushion 1 can be used for many purposes, such as for automobiles and chairs, and has the effect of increasing the degree of freedom.

∙ You can easily customize the height, hardness, and breathability of the cushions according to your body shape, seat size, and other needs, and you can make the optimum choices for each living environment. Can respond to individual needs related to sitting accurately. Since it is a compact and lightweight design that supports the minimum necessary parts, for example, even a woman can lift it lightly and easily change it from a car to an office chair.

By changing the position and / or hardness of the

pad

3 or 4A of the cushion 1, it can be used in various situations in daily life such as driving, office work, wheelchair, etc., and can be used for sitting in general. It is easy to use for drivers, clerical staff, wheelchair users, etc. who sit for a long time in one day.

Since the cover sheet has a through-hole, air permeability is secured at the portion of the cushion 2A that abuts against the buttocks and the portion of the backrest that abuts against the back of the backrest, and moisture due to divergence of the seated person's body temperature or sweating. The divergence can be performed smoothly.

The contribution to health through body pressure dispersion and posture correction is great, and it is possible to appeal based on scientific viewpoints. Posture correction is possible, and those who have trouble with the buttocks such as heels can relieve pain, and postpartum women can reduce the burden from the waistline to the buttocks.

Stable seating and accumulated fatigue due to prolonged seating can be reduced. It can alleviate the burden on all sitting people, correct posture (body axis), and support a healthy and active life.

洗練 Sophisticated designs that use a lot of curved surfaces can be provided, and appealing with fascinating expressions such as interior fitting designs, wearing examples, and galleries.

Next, a seat cushion 201 (hereinafter referred to as a cushion 201) of Embodiment 2 of the present invention is a first fastener that is a French pile covered with a large number of loop-shaped raised fabrics as shown in FIGS. The base cushion 202B formed with 202a (hereinafter referred to as the cushion 202B), the surface is formed of a curved surface, the cushion is covered with a cover sheet having a large number of air holes, and a large number of hook-shaped raised brushes are provided. Cypad 205 with second fasteners 205a to 205d attached to the back surface, the surface is formed of a curved surface, the cushion is covered with a cover sheet having a large number of ventilation holes, and

third fasteners

204a and 204b are attached to the back surface. A pair of lower side wing pads 204B having a neck And the second fasteners 205a to 205d and / or the

third fasteners

204a and 204b are engaged with the first fastener 202a to attach the cypad 205 and the pad 204B to the cushion 202B. By separating the second fasteners 205a to 205d and the

third fasteners

204a and 204b from the first fastener 202a, the Cypad 205 and the pad 204B can be detached from the cushion 202B. By such engagement and separation, The cushion performance such as the position and hardness of the cypad 205 and the pad 204B can be changed. Since it is basically the same as that of the first embodiment, the description of the common points will be omitted, and different points will be mainly described.

Since the cushion 202B has the same structure as the cushion 2A, the description is incorporated.

Cypad 205 has a Western shape and may have the same structure as pad 3 or, as shown in FIG. 16, may have a structure in which covering material 239 covers core 238 as pad 4A. A central core 238 is enclosed in the central portion in the vertical direction and is thicker than the peripheral portion. Other explanations are incorporated.

The pad 204B has a rhombus shape, the outer thickness is thicker than the inner side, and has the same structure as the pad 4A.

Since the belt 202h has the same structure as the

belts

2e and 2f, the description is incorporated herein.

Since the insertion pad 202g has the same structure as the pad 2g, the description is incorporated.

According to the second embodiment, since the cypad 205 or the pad 204B can be detached from the cushion 2A, the position of the cypad 205 or the pad 204B can be freely adjusted. As shown in FIG. 16B, since the shape is suitable for the back and side surfaces of the thigh T, dispersion of body pressure is preferable. There is an advantage that the thigh T can be held in a state close to a standing state. Further, the number of Cypads 205 or Pads 204B can be freely used. The type of the cypad 205 or pad 204B (for example, surface characteristics such as dimensions, hardness, thickness, and air permeability) can be freely changed. It is possible to overcome differences in body shape such as height and weight of the person who uses the seat, differences in preference, and the like. The seat cushion can be used for various purposes, such as for automobiles and chairs, and has the effect of increasing the degree of freedom.

For the first embodiment or the second embodiment, a plurality of pads having different cushioning properties and sizes can be used.

The seat cushion 301 of the third embodiment is a seat cushion formed by connecting and integrating the lower end portion of the cushion 1 of the first embodiment and the upper end portion of the cushion 201 of the second embodiment, and is shown in FIG. is there. With the integration, one insertion pad may be provided, but a plurality of insertion pads may be provided.

The seat cushion 401 according to the fourth embodiment of the present invention is basically the same as the cushion 1 according to the first embodiment as shown in FIGS. 21 to 23. The points to be described will be described. The corresponding part number is in the 400s.

In the base cushion 402 (hereinafter referred to as a cushion 402), first fasteners 402a are formed on both front and back surfaces. This is because when the adhesive strength of the fastener becomes weak, it can be replaced with another surface. Moreover, it is for making the design of both front and back sides exchangeable as desired. A V-line groove 402b is formed in the cushion 402. The reason why the V-line groove 402b is provided is to dispose the wrinkles and make them inconspicuous by disposing them in a place where wrinkles are easily formed. The center pad 403 is disposed at a position corresponding to the position of the waist, back, or neck, and has a structure in which a multi-layered malt filter is covered with a double raschel structure fabric to improve durability. The malt filter is a urethane filter in which urethane foam is made into a completely open cell structure by special treatment. Either a polyester urethane foam or a polyether urethane foam may be used. Urethane foam has excellent durability due to its three-dimensional structure, high porosity, and complete open cell structure. The belt 402e includes a horizontal belt 405a and a vertical belt 405b. By attaching and detaching the fastener 405c at the tip of the vertical belt 405b, the belt 402e can be connected to the horizontal belt 405a in a T shape so that it can be easily mounted on the headrest of an automobile. It is. A pair of belts 402 f are provided at the center of the cushion 402. The belt 402f is for attaching to the seat, and a detachable detaching device is provided at the end. By providing the belt 402f, the seat cushion can be easily attached to the seat. The insertion pad 402g is detachable from the cushion 402 with a fastener. This is because the seat structure of the automobile is various, and this can be accommodated by changing the mounting position of the insertion pad 402g. The insertion pad 402g is obtained by coating a polyethylene foam with a double raschel fabric.

The seat cushion 501 according to the fifth embodiment of the present invention is basically the same as the cushion 201 according to the second embodiment as shown in FIGS. 24 to 28. The points to be described will be described. The corresponding part number is in the 500s.

The first cushion 502a is formed on both the front and back surfaces of the base cushion 502B. This is because the first fastener 502a can be replaced when the adhesive force thereof becomes weak. Moreover, it is for making the design of both front and back sides exchangeable as desired. A V-line groove 502b is formed in the base cushion 502B. The reason why the V-line groove 502b is provided is that the wrinkle is absorbed and made inconspicuous by disposing it in a place where the wrinkle is easily formed. The cypad 505 is disposed between the legs. In order to improve durability, a structure in which a plurality of malt filters are covered with a cloth having a double raschel structure may be employed. A fastener 504c is provided so as to extend inward from the inner lower end portion of the right lower side wing pad 504B. This is to increase the adhesion of the lower side wing pad 504B to the base cushion 502B so that the lower side wing pad 504B does not turn over due to the movement of the foot when the driver gets on and off. When the seat cushion 501 is attached to the passenger seat, the attachment position of the fastener 504c is the lower side wing pad 504B on the left side. The belt 502i is a lateral belt that is sewn to both ends of the base cushion 502B at the upper back. The insertion pad 502g is detachable from the base cushion 502B with a fastener. This is because the seat structure of the automobile is various, and this can be accommodated by changing the mounting position of the insertion pad 502g. The insertion pad 502g is a high-polyethylene foam coated with a double raschel fabric.

The seat cushion 601 according to the sixth embodiment of the present invention basically has the same configuration as the cushions 1 to 5 according to the first to fifth embodiments as shown in FIGS. 29 to 36. We will use it and explain the differences. Corresponding part numbers are in the 600s.

The base cushion 602 (hereinafter referred to as the cushion 602) is basically composed of the cushion 1 of the first embodiment and the cushion 201 of the second embodiment which are sewn up and down, and the back pad 606 and the leg pad 607 are combined. It is added and designed to be able to attach and detach various types of pads and cover almost the entire front side of the cushion 602. It is moderately soft and has excellent body pressure dispersion.

Each part can be set to a desired position on the cushion 602 with a fastener. All parts can be removed from the cushion 602, and it is the world's first fully custom cushion that can be adjusted in a semi-ordered manner according to body shape, seat condition, worries and preferences. The cushion 602 is designed to cover the entire other types of sheets, is a moderately soft urethane, and has excellent body pressure dispersibility. The center line is a black accented line that tends to be monotonous.

As shown in FIG. 29, the center pad 603 (hereinafter referred to as pad 603) has a laterally long and substantially pentagonal V shape, and is arranged at positions corresponding to the head, neck, back, and waist regions. The arrangement can be changed. The pad 603 correctly holds the S-shaped line of the waist, which is the natural posture of the human body, and distributes the burden. In addition to the support around the waist, it can also be installed around the neck, and by shifting the position up and down, it also becomes a neck pad.

As shown in FIG. 29, the pair of side wing pads includes an upper side wing pad 604A (hereinafter referred to as a pad 604A) and a lower side wing pad 604B (hereinafter referred to as a pad 604B), and has a symmetrical shape. . These pads 604A wrap the upper body from both sides to prevent posture collapse such as body displacement. The pad 604B wraps the lower body from both sides to prevent posture collapse such as body displacement. The shape of the pad 604A is the same as that of the pad 4A, and the shape of the pad 604B is substantially a heart shape. By adjusting the width of these installations, people of various physiques can be accommodated, and the fit can be tailored to your physique.

Cypad 605 is a Western-shaped square provided at the front center of cushion 602. Cypad 605 supports the thigh to prevent posture collapse and supports the best driving position for a long time.

As shown in FIG. 29, the pair of back pads 606 is provided on the upper back of the cushion 602, has a notch in the center, and has a symmetrical rectangular shape with a frame. The thickness of the back pad 606 is larger than the thickness of the base cushion 602 and smaller than the thickness of the

pads

603 and 604A. The lateral width of the back pad 606 is smaller than the maximum lateral width of the

pads

603 and 604A. The back pad 606 is disposed between the pads 604A above or below the pad 603. The back pad 606 supports the back three-dimensionally, promotes a body pressure dispersion function of the back, and also produces a massage effect.

The pair of leg pads 607 is provided at the lower part of the cushion 602 as shown in FIG. 29, has a notch therein, and has a symmetrical shape. The thickness of the leg pad 607 is larger than the thickness of the base cushion 602 and smaller than the thickness of the cypad 605 and the pad 604B. The width of the leg pad 607 is smaller than the maximum width of the cypad 605 and the pad 604B. The leg pad 607 is disposed between the cypad 605 and the pad 604B. The leg pad 607 increases the cushioning property of the buttocks and further adds dispersion of body pressure. Increase the thickness of the seating surface and increase cushioning and eyepoint. The unevenness takes care of the coccyx.

The above pads can be removed from the cushion 602, and the position can be adjusted in a semi-order sense according to the body shape and seat shape. For example, when a small woman is used, the interval between the

pads

604A and 604B can be narrowed, and when a man with a good physique is used, the interval can be increased.

As shown in FIGS. 35 and 36, the cushion 602 is a bent portion that protrudes to the back side as shown in FIG. 30 by joining the end portions of the two sheet cushions (sheetushcushion) 602a and 602b and sewing and connecting them. 608 is formed. The cushion 602 has a structure that can be changed between an L-shaped first state shown in FIGS. 29 to 34 and a horizontal second state shown in FIGS. 35 and 36. In addition to the user sitting down, it can be used for sleeping.

33, the insertion portion 602g is detached from the surface of the bent portion 608. As shown in FIG. The insertion portion 602g is unlikely to come off the cushion 602.

The present invention is not limited to the above-described embodiments, and modifications and the like can be made without departing from the technical idea of the present invention. Is included in the technical scope.

The seat cushion of the present invention improves usability, reduces the burden on the seated person, corrects the posture (body axis), provides support for a healthy and active life, and responds to individual needs related to sitting accurately And its industrial utility value is great.

DESCRIPTION OF SYMBOLS 1 ... Seat cushion 90 ... Seat 2a ... 1st surface fastener 2A ...

Base cushion

2e, 2f ... Belt 2g ... Insertion pad 3a-3d ... 2nd surface fastener 3 ... Center pads 4a to 4c ... Third surface fastener 4A ... Upper side wing pad 30 ... Front fabric 31 ... Back fabric 32 ... Peripheral portions 35 to 37 ... Cushion 39 .... Fastener 40 ... Front fabric 41 ... Back fabric 42 ... Peripheral portion 43 ... Inner end sewing line 44 ... Collar outer end line 45 ... Triangular portion 46 ... Central recess 47 ... Lower triangular portion 48 ... Core 49 ... Cover material 201 ... Seat cushion 202a ... First surface fastener 202B ... Base cushion 232 ... Inner end sewing line 238- ..Core 239 ... Coating 202g ... Insertion pad 202h ... Belt 204B ... Lower

side wing pads

204a, 204b ... Third hook-and-loop fastener 205 ... Cypads 205a-205d ... Second hook-and-loop fastener 301 ... Seat Cushion 401 ... Seat cushion 402a ... First surface fastener 402 ... Base cushion 402b ... V line groove 403 ... Center pad 404A ... Upper

side wing pads

402e, 402f ... Belt 405a ... Lateral belt 405b ... Vertical belt 405c ... Hook fastener 402g ... Insertion pad 501 ... Seat cushion 502a ... First hook fastener 502B ... Base cushion 502b ... V line Groove 502g ... Insertion pad 502i ... Belt 04B ... Lower

side wing pads

504a, 504b ... Third surface fastener 504c ... Hook fastener 505 ... Cypad 601 ... Seat cushion 602 ...

Base cushion

602e, 602i ... Belt 602g .... Insertion pad 603 ... Center pad 604A ... Upper side wing pad 604B ... Lower side wing pad 605 ... Cypad 605a ... Horizontal belt 605b ... Vertical belt 606 ... Back pad 607 ... Leg pad 608 ... Bending part T ... Thigh

Claims

A base cushion covered with a first hook-and-loop fastener, a surface composed of a curved surface, the cushion covered with a cover sheet having a large number of ventilation holes, a center pad with a second hook-and-loop fastener attached to the back surface, and a surface And a pair of upper side wing pads having a constriction with a third hook-and-loop fastener attached to the back surface, the cover sheet covering the cushion with a cover sheet having a large number of ventilation holes. And the third hook-and-loop fastener is engaged with the first hook-and-loop fastener to attach the center pad and the upper side wing pad to the base cushion, and the second hook-and-loop fastener and the third hook-and-loop fastener from the first hook-and-loop fastener. By peeling, the center pad and upper side wing Head are possible to be detached from said base cushion, by the engagement and release, the center pad and the upper side wings position and / or the type capable of changing the seat cushion pad.
The third hook-and-loop fastener on the back side of the upper side wing pad is formed in a band shape, one side of the long side is fixed to the inner edge of the back side of the upper side wing pad in the vertical direction, and the other side of the long side is a free end, The seat cushion according to claim 1, wherein the seat cushion is folded inside and provided with an additional small third surface fastener on the outside.
The base cushion covered with the first hook-and-loop fastener, the surface is composed of a curved surface, the cushion is covered with a cover sheet having a large number of air holes, the cypad with the second hook-and-loop fastener attached to the back surface, and the surface is curved And a pair of lower side wing pads having a constriction with a third hook-and-loop fastener attached to the back surface, the cover sheet covering the cushion with a cover sheet having a large number of ventilation holes, and the second hook-and-loop fastener and the third hook-and-loop pad By engaging a hook-and-loop fastener with the first hook-and-loop fastener, attaching the cypad and the lower side wing pad to the base cushion, and peeling the second and third hook-and-loop fasteners from the first hook-and-loop fastener The base pad and the lower side wing pad It is possible to detach the cushion by the engagement and release, the Saipaddo and location and / or type capable of changing the seat cushion of the lower side wing pads.
The third hook-and-loop fastener on the back surface of the lower side wing pad is formed in a band shape, one side of the long side is fixed in the longitudinal direction to the inner edge of the back surface of the lower side wing pad, and the other side of the long side is a free end, 4. A seat cushion according to claim 3, which is folded inwardly and provided with an additional small third surface fastener on the outside thereof.
The seat cushion according to any one of claims 1 to 4, further comprising an insertion pad at a lower end or an upper end of the base cushion.
The seat cushion according to any one of claims 1 to 5, wherein at least a pair of belts are detachably provided on the base cushion.
7. The seat cushion according to any one of claims 1 to 6, wherein a plurality of types of pads having different hardness and / or size of the cushion are exchanged.
The seat cushion according to any one of claims 1 to 6, wherein the upper side wing pad or the lower side wing pad has a rhombus collar shape, the outer thickness is thicker than the inner side, and the rod-shaped core is disposed along the outer side. .
A seat cushion obtained by combining the seat cushion of claim 1 and the seat cushion of claim 3 vertically.
10. The seat cushion according to claim 9, wherein a pair of back pads is provided at the upper part of the base cushion, a pair of leg pads is provided at the lower part of the base cushion, and all the pads are removable.
The thickness of the back pad is larger than the thickness of the base cushion, smaller than the thickness of the center pad and the upper side wing pad, the lateral width of the back pad is smaller than the maximum lateral width of the center pad, the upper side wing pad and the pad, The seat cushion of Claim 10 arrange | positioned between the upper side wing pads in the upper and lower sides of a center pad.
The thickness of the leg pad is larger than the thickness of the base cushion, smaller than the thickness of the cypad and the lower side wing pad, the width of the leg pad is smaller than the maximum width of the cypad and the lower side wing pad, The seat cushion of claim 10 disposed between wing pads.
The upper side wing pad and / or the lower side wing pad has a rhombus collar shape, the outer thickness is thicker than the inner side, and a rod-shaped core is enclosed along the outer peripheral edge. Seat cushion.
The seat cushion according to any one of claims 1 to 13, wherein the cypad has a Western shape, a central core is enclosed in a vertical direction at a central portion, and is thicker than a peripheral portion.
The seat cushion according to any one of claims 1 to 13, wherein the center pad has a hexagonal shape.
The base cushion has a bent portion that protrudes to the back side by joining the end portions of the two seat cushions together, and can be changed between the L-shaped first state and the horizontal second state. The seat cushion according to any one of claims 1 to 15, which has a structure.
The seat cushion according to any one of claims 1 to 16, wherein an insertion portion is detached from the bent portion.