KR20140008928A - Sheet - Google Patents

Abstract

Provided is a chair shoulder seat sheet for helping user's health. The unique geometry of the chair shoulder seat sheet has a longer width from the left to right than a width from the front and back and is symmetric around a horizontal axis. The present invention maximizes the distribution of a contact part of a bone at a contact part on which the weight of a user is putted through the entire surface and ideally distributes the weight, thereby reducing pressure and preventing the lower thigh from adhering to the shoulder seat sheet. The present invention smoothly makes the lower thigh part stand around 30 degrees from the vertical side in the state of seating and does not need any auxiliary device at that time. The present invention moves the lower tight part from 30 degrees to 105 degrees up and down in the state of seating and solves or prevents various problems of the user. The present invention has benefits for various shapes of user's hip, safely protects the user, and makes the posture of the user straight and the concentration be maintained.

Description

Joint seat sheet {Sheet}

The present invention relates to a chair joint seat plate seat,

More specifically, the load load is formed as an equally distributed load in which pressure acts evenly in response to the seated buttocks and hips, and lowers the compression density in response to the muscles of the arch, biceps and hip joints, and the ass. Widen the body area to bear the load.

The lower femoral part eliminates contact and close contact with the seat plate to facilitate arteriovenous blood vessels and nervous system at the back of the lower femoral part, and the lower femoral part can be extended up to 30 degrees in the vertical direction, allowing the lower leg to move up and down while sitting. In this regard, it relates to a seat joint seat sheet to maintain the stress-free health of the seated person.

A general chair is composed of a seat seat part, a leg part and a back part. In particular, the seat seat part receives a load of a seated person. The upper body load is transmitted to the vertebral pelvis, and the sciatic nodules touch the seat part. Muscles and skin formed at the edges of the nodules cause pain due to tight support compression between seat plate portions. In particular, the lower limbs are placed on the seat sheet under pressure, and the blood vessels and the nervous system are affected by the compression, which causes blood circulation disorder and the nervous system is affected. The seat sheet part is restrained by the seat sheet part formed at about 105 degrees from horizontal to vertical, and shows the limitation of the structure in which the lower leg thigh cannot be moved up and down. Therefore, the reality is that you get a lot of stress from sitting.

Korean Patent Publication No. 10-2007-0122283 Kang Ho-young, Jang Won-seok, Kim Myung-jun

The leg seat is rotated by a certain angle on a flat seat with a "vertebrae correction chair" to support the lower limbs, and to support the knees in order to maintain the inclination of the lower limbs. It is a difficult reality to maintain.

Korean Patent 1007507580000 "Artificial Science Portable Seat Cushion"

Both wings contacting the lower thighs are convex to minimize the support of the lower thighs, but the concave groove front side supports the lower thighs, and it is difficult to study the amplitude of the lower thighs. There is a disadvantage that the concave groove is placed on the horizontal base surface on the back and side of the concave, so that the concave groove cannot catch the hip.There is no space or space in the place where the hip and thigh head are located, and the concave groove edge is high. Let's do it.

And the like have been proposed and known, respectively.

The present invention has been invented to solve various problems with the seat seat portion of the prior art,

An object of the present invention is to ensure that the buttocks upper body load is in close contact with the seat seat portion to form a distributed load load school, office, religious facilities, temples, yoga, zen, factory, travel, rest, entertainment, meal, car Seating seats that provide comfortable and safe seating for both seating and sitting without stress during seating, especially when working on low-cost airlines or postures such as airplanes, ships, trains, cinemas, libraries, viewing facilities, seminars, etc. For the purpose of

Direct load acting only on the end of the hip sciatic nodule, the load is formed equally on the entire hip, so that the equal distribution load acts to distribute the load.

The purpose of lowering the pressure density between the muscles and the skin between the bone and the seat sheet when the muscles formed in the arch, the double bone, the hip joint, and the lower part of the thigh are seated.

When the user is seated, the back of the lower thigh is not touched or supported by the seat seat surface, and the seated person extends the lower thigh until the angle of 30 degrees close to the vertical in the right seated state without a separate auxiliary device or device. Can change the seating posture by freely moving the upper and lower limbs to 75 degrees around the lower thigh.

The seat sheet has a short vertical length and increases the width of the left and right, and the seat sheet with detachable function is portable and is small, light weight, economical in production cost and mass production.

When the seated person is leaning against the back, the backbone and the sacrum are not in close contact with each other to avoid the pain, and the protrusions are formed in the seat seat buttocks and the assholes so that the acupressure massage function and organic air escapes from the seated buttocks and the buttocks. Purpose.

The part where the nodules tip is in contact with is formed in the center of the buttocks to form a recess in the center of the recess.

The seated person is seated for a long time without the pain of the spine or buttocks, prevents the health-threatening factors from long-term sitting, maintains proper posture, improves concentration, prevents leg swelling, and prevents leg twists and discomforts. It is aimed at preventing leg twists and ensuring that the value of the seated person is maximized.

In the present invention for achieving the above object is a seat joint seat seat is configured to be coupled to the chair seat plate seating seat,

The joint seat sheet forms a geometrically opposite symmetrical shape at the center of the vertical transverse axis, forms a symmetrical buttocks in the center of the center, and a pack pocket for mounting the pack at the bottom of the buttocks and at the bottom of the buttocks. Is composed,

The buttock groove, bicuspid groove, hip joint groove are formed in the buttocks groove, grooves are formed toward the rear and side portions where the buttocks groove is extended, extending in the front direction to the butt groove in the thigh side stand And form the tip of the wing,

The thigh head recess is a slanted recess in the direction of the ground between the hip recess and the hip joint and the femoral side support, and the inclined recess is formed in an arcuate curve or "U-shaped", and the back of the vertical transverse center is a "egg cross-section". As the back edge is formed into a groove,

In the center of the side, the front curve and the dorsal curve are obtuse, and the center of the side is obtuse, with a protruding obtuse shape. The center of the back is a "U-shaped" shape with a deep backrest groove, and the front center has a convex and convex side. The concave arch is curved or "U-shaped" and the wings protrude on both sides is round and convex, characterized in that the entire front has a large "W-shaped" shape.

According to the present invention provided as described above the seat occupant upper body load is moved to the pelvis, the load is transferred to the bone structure formed by the pelvis at this time, so that each part of the load load is formed as an equal distribution load and fatigue accompanying when sitting Relieves pressure pain, eliminates stress from sitting for a long time, corrects distracted posture, rests your hips comfortably, maintains a good posture for a long time, eliminates back pain, improves mental concentration, and The effect of correcting the lower limbs.

In the seated state, the lower thigh can be freely extended vertically to 30 degrees vertically without a separate aid or device, so the seated person can move the lower thigh at an amplitude of 75 degrees up and down. Letting effect.

It is especially effective in preventing economic syndrome that may occur in seated persons sitting in narrow spaces such as non-economic.

It is possible to secure a wide passageway for the multi-use such as aircraft, passenger ship cinemas, viewing halls, playground seats, seminar rooms, performance halls, and so on.

As the size and size of each seated person is different, the convenience of multiple users can be used without the need for a separate size.

The seat seat is removable on the seat of the chair, and its small size and light weight make it portable and can be used as a cushion.

Small size, light weight, easy to move and store, reduce production cost

1 is a perspective view of the combined seat plate sheet according to the present invention.
Figure 2 is a plan view of the joint seat plate sheet according to the present invention.
Figure 3 is a bottom view of the joint seat sheet according to the present invention.
Figure 4 is a front view of the joint seat seat sheet according to the present invention.
Figure 5 is a rear view of the joint seat sheet according to the present invention.
Figure 6 is a right side view of the joint seat sheet according to the present invention.
Figure 7 is a planar joint seat plate seat arch groove, double bone groove, hip joint groove according to the present invention.
Figure 8 is a planar convex concave convex concave convex concave groove, hip hole, thigh head recess, thigh side recess groove according to the present invention.
Figure 9 is a plan view of the hip joint grooves of the hip joint seat sheet according to the present invention.
Figure 10 is a side view showing the seated state and the lower limbs femoral seated seated on the joint seat sheet according to the invention.
Figure 11 is a plan view corresponding to the seated hip and hip seated seated on the joint seat plate according to the present invention.
12 is a cross-sectional view BB 'of the joint seat sheet according to the present invention.
Figure 13 is a cross-sectional view AA 'of the seat seat sheet according to the present invention.
14 is a cross-sectional view CC 'of the joint seat sheet according to the present invention.
Figure 15 is a DD 'cross-sectional view of the seat seat sheet according to the present invention.
Figure 16 is a EE 'cross-sectional view of the seat seat sheet according to the present invention.
17 is a planar representation of the articulation seat sheet buttock recess, groove, groove of the thigh side, according to the present invention.
(Code description for main parts of drawing
0 ; Joint seating sheet 1; Knee joint seat seat
11; Dorsal curvature 21; Michuchu Home
12; ' Anterior curve 22; Buttocks
13; Front center 23; Home Groove
14; Wing tip 24; Home
15; Surface 25; Biceps groove
16; Backrest groove 26; Hip Joint
18; Reverse side 27; Thigh
19; Lateral middle 29;
31; Arch

In the following description of the present invention in more detail with reference to the configuration and operation of the present invention, the terminology or inventors used in the present specification and claims in order to best explain the invention of the invention in its best way. It should be interpreted as meaning and concept of the technical spirit of the present invention based on the principle that the term can be properly defined.

Hereinafter, with reference to the accompanying drawings will be described in detail.

Figure 1 is a perspective view showing a chair seat joint seat joint according to the present invention, Figure 2 is a hip joint groove seat, hip sulcus groove, thigh head recess, thigh side rest, michonchuyo groove with Top view showing the geometry. Figure 3 is a bottom view of the joint seat sheet according to the present invention. 4 is a front view according to the present invention. 5 is a rear view according to the present invention. 6 is a right side view according to the present invention. Figure 7 is a plan view showing the hip joint groove, the hip groove, the hip joint groove in the hip joint seat sheet according to the present invention. Figure 8 is a planar convex concave convex concave convex condyle groove, hip hole, thigh head recess, thigh side slope according to the present invention. Figure 9 is a planar view through the hole in the center of the buttocks groove in the joint seat sheet according to the present invention. Figure 10 is a side view showing that the lower limbs that can be represented by the seated on the seat seat sheet according to the present invention can extend the leg up to 30 degrees vertically and move back and forth with an amplitude of 75 degrees. Figure 11 is a plan view showing a seated buttocks and hips and thigh head and leg thighs corresponding to the joint seat sheet according to the present invention, Figure 12 is a cross-sectional view of the joint seat sheet B-B 'of Figure 2 according to the present invention. 13 is a cross-sectional view taken along line AA 'of the joint seat sheet according to the present invention. 14 is a cross-sectional view taken along the line C-C 'of the seat seat joint according to the present invention. 15 is a cross-sectional view taken along the line D-D 'of the joint seat sheet according to the present invention. Fig. 16 is a cross-sectional view taken along line E-E 'in Fig. 9 of the joint seat plate according to the present invention.

Referring to FIG. 2, the overall shape of the articulation seat sheet 0 has a short front and rear length perpendicular to the geometric image, a long width between left and right, and a size ratio of 1: 2.2 to 1: 1.8.

The center of the rear side of the vertical horizontal axis (5) is the "U-shaped" shape with the backrest groove (16), and the rear edge has the rounded curved surface extending to the center of the side, and the dorsal curvature (11) (11 '), and the front (60) both wings Curvatures formed at ends 14, 14 'are formed in the front side curves 12, 12' up to the lateral center, and are coupled at the central portion at the dorsal side curves 11, 11 'and the obtuse angle (8). It forms the central portion 19 and 19 'and has a "heart" shape with a sharp obtuse end.

The front center 13 is convex forward with a rounded curved surface, and the rounded curved surfaces extend to both sides to form concave arches 31 and 31 'concave in the rearward direction, and the arches 31 and 31' extend to both sides. The wing tips 14 and 14 'have a rounded curved surface that is convex to the front surface so that the shape of the front surface 60 forms a "W-shaped" shape. The obtuse angle 8 is configured around 140 degrees.

The backrest groove 16 is a "U-shaped" shape space in which the backrest elastic support portion is located and the elastic support portion can be moved forward and rearward so that the backrest 12 is adjusted before and after the seating body.

The posterior joint seat sheet (0) and the back surface (15, 15 ') are separated on both sides, and are "Bmeran" shaped and flat.

The articulation seat sheet (0) receives the load only in contact with the buttocks and the two parts and the buttocks that constitute the buttocks of the mushroom, and is not in close contact with and supported by the lower thigh part and the thigh support (59) (59 ') is Prevents femoral flanks from spreading laterally.

Each seated person has a different body shape and hip size, but the joint seat seat (0) is structured to accommodate a variety of hips, so it can be used by multiple schools, offices, religious facilities, temples, factories, airplanes. It is used in ships, trains, buses, cars, seminars, performance halls, playground seats, cinemas, casinos, restaurants, yoga, meditation, training centers, travel, relaxation, etc.

As the material, the seat can be made of wood, synthetic resin, metal, molded plywood, carbon fiber, plywood, etc., and the seat can be EVA, silicone, sponge, nonwoven fabric, fiber, synthetic resin, urethane, etc.

Referring to Figures 2,7,8,913, the buttocks 22 and 22 ', which form two concave grooves in a symmetrical "seashell" in contact with the center of the vertical transverse axis, are formed in the front central portion of the joint seat sheet 0. Corresponding to the seater's butt and the buttocks of the seat, the buttocks are loaded with equally distributed loads, allowing the seated person's buttocks to be seated stably.

Referring to Fig. 17, the buttocks groove center 50 and 50 'are composed of a distance K from the vertical transverse center 5 to 55 mm and positioned within a range of 42 mm to 66 mm, and the buttocks groove edge 51 and 51'. The width (M) from the hip recession center (50) (50 ') to about 80mm is formed in the range of 65mm to 90mm, and the hip recess (51) (51') forms the front of the joint seat sheet (0). The buttock recess slope 53, 53 'is flat.

Another embodiment Referring to Figure 7, the buttock groove base surface 53, 53 ', buttocks groove 24, 24', bicuspid groove 25, 25 ', hip joint forming a somewhat deeper groove portion Grooves 26 and 26 'are formed, and the arch grooves 24 and 24' are directed from 12:30 to 1:00 o'clock in the right buttock recess center 50 and the left buttock recess center is 50 '. ) From 11:00 to 11:30.

Bicuspid groove (25, 25 ') is from 7:00 to 7:30 minutes in the right buttock recess center (50), and 3:00 to 3:30 minutes in the left buttock recess center (50'). Is formed in the direction between,

Hip groove (26) (26 ') is from 3:30 to 4:00 o'clock in the right gluteal recess center (50) and from 8:00 to 8:30 minutes from the left hip recess center (50'). It is formed in the direction, the hip groove 26, 26 'is maintained at a certain distance from the buttocks groove center 50, 50' and is formed in a portion in the direction of the buttocks groove edge.

Referring to FIG. 2, the thigh head recesses 27 and 27 'in contact with the hip grooves 26 and 26' are V-shaped thigh head recesses 27 between the thigh supporters 59 and 59 '. (27 ') is inclined groove is formed in the direction of the ground, the thigh head groove (27) (27') the end of the inclined groove is formed of a wide and large arched curved portion 31 (31 ') constitutes the front part. . The wide thigh head recess (27) (27 ') ranges from 65mm to 170mm around 95mm from the hip recess center (50) (50'), and from 3:00 to 5:00 o'clock from the right blunt center (50). In the left gluteal groove center (50 '), it forms in the range of 7:00 o'clock to 9:00 o'clock.

The thigh head recess 27, 27 'is a structure in which the thigh, large protrusion, small protrusions can not be fixed, the thigh head recess 27, 27' is not in close contact with or support the thigh, separate The lower thigh can be extended up and down 30 degrees vertically in the state where the buttocks are seated independently without the help of a device or assistive device. Among the many factors that occur, blood circulation disorders are resolved, the blood circulation is circulated, and nervous system pressure is resolved by the nervous system to communicate, and in particular, to prevent the economic syndrome.

Another embodiment of Fig. 9 constitutes a recess through hole 23, 23 'in the buttocks center (50, 50'), the recess 23, 23 'is a circular or elliptical shape around 40mm in diameter Concave through hole edge 57 is inclined in the direction of the ground, the end portion of the fillet (70), the bottom of the concave through holes 23, 23 'pack pouch 61 having a circular or elliptical groove is formed Bolted to the bottom of the seat.

Referring to FIG. 16, the air pack 612, the water pack 612, the gel pack 612, the silicon pack 612, and the like are bound to the pack pocket 61, and the packed pack is convex in the recess through the seat. 610 is exposed, but when seated, the pressure is applied to the pack pocket 61 edge portion of the space portion 611 inflates the pack to maintain a proper pressure in the buffer role.

12, 13, 14, and 15 contact the back and side portions of the buttocks, grooves 51 and 51 ', and the butts grooves 29 and 29' are formed, and the butts groove edges 62 and 62 'are formed. And the femoral side rest edge (63) (63 ') to form a groove edge in contact with the base surface (15, 15') to form an arc.

The buttock recessed inclined surfaces 54 and 54 'are extended to form the buttock sloped surfaces 56 and 56', and the buttock grooved sloped surfaces 56 and 56 'have a horizontal and height ratio of 3: 1. It is formed at a ratio of 2.4: 1 and its shape is composed of a hip-shaped curved surface corresponding to the human hip.

2, 7, 8, and 9 the assorted grooves 29, 29 'extend inclined in the front direction to form the femoral side receiving grooves 59 and 59', and the femoral side receiving grooves ( 59 and 59 'are formed in contact with the thigh head recess 27, 27', and the thigh side recessed inclined surfaces 72 and 72 'are formed on the asperity slanted surfaces 56 and 56'. It extends and the inclined curved surface is formed in the ratio of horizontal to height of 2.4: 1 to 1.2: 1, and the thigh support groove inclined surfaces 72 and 72 'extend to the wing tips 14 and 14'. The extended inclination angle forms a round and convex shape of the wing tips 14 and 14 '.

Figure 2 is a "egg cross-section" between the back of the buttocks (22) (22 ') behind the vertical transverse center (5) is formed, the vertebral recesses (21) is formed, the back portion of the lumbar vertebrae recesses (21) is a backrest groove ( 16) direction is composed of the groove, the vertebral vertebrae recesses 21 are formed with grooves and grooves to prevent the coccyx and sacral vertebrae from being in close contact when the upper body is inclined backward by leaning against the backrest.

As another embodiment of the present invention, the buttocks and grooves bottom surface 53, 53 'and the buttocks and grooves surface 73 and 73' are formed in an uneven portion, and the uneven portion is a step type 75 and a semicircular protrusion. The mold 76, the semi-circular concave type 77 is composed, the step type 75 is composed of ring rings along the inclined curve, the height is 0.9mm to 2.0mm, the semi-circular protrusions 76 are inclined curved surface The semi-circle is formed in the form of iron, and the semi-circle diameter is 3.0mm to 4.0mm, the semi-circular pentagon (77) is a semi-circular shape is formed along the slope, and the semi-sphere diameter is composed of 3.0mm to 4.0mm Let's put acupressure massager on the heap safely.

12 is the shape of the buttocks and thigh side support is a shape surrounding the buttocks and thigh head recesses with an arc of a quarter, the base surface is at least 15.0mm to 27.0mm higher than the buttocks groove edge (H) It is formed, the longest distance from the buttocks groove center to the hip hole is 180mm (F), the edge is formed at the longest distance 200mm (G) from the buttocks groove center to the femoral side receiving.

As mentioned above, although this invention was demonstrated with reference to the Example, within the range which does not deviate from the thought and area of this invention described in the said claim by the person of ordinary skill in the art to which this invention belongs. In the present invention can be carried out by various modifications or variations.

Figure 17

The length (K) from the vertical transverse centroid (5) to the buttocks center 50 and the length (M) from the buttocks center 50 to the buttocks edge 51.51 'is the width N of the butts 29 To form thigh waist width (P)

Claims (16)

In the seat to which the seat occupant's load is transmitted, the leg portion, the seat plate portion and the back portion are formed, and the seat plate portion has a load corresponding to the seat occupant's buttocks and the buttocks.
The articulated seat sheet has a unique geometry with short vertical front and rear lengths, long left and right widths, symmetrical with respect to the center of the vertical horizontal axis, and the dorsal curvature and the front curvature forming the back and sides meet at an obtuse angle to form a central side. ,
The front surface has a "W" shape and a convex and concave arched curved portion is formed at the center, and the curved curved portion extends to form a round wing tip, and a "U-shaped" backrest groove is formed at the center of the back to divide the ground surface. Splattered off,
The hip joint grooves symmetrical to the center of the transverse articulation seat sheet are formed at the front center left and right, and the hip recess grooves are flat, and the slope grooves are formed in contact with the rear and side surfaces of the hip recess grooves, and the hip grooves It extends in all directions to form the femoral side support, the thigh recess of the "triangle" shape is formed between the buttocks groove and the femoral side support, and the butt groove base surface and the thigh side support and thigh head groove formed The inclined curved surface is flat, and the recess is formed in the center of the transverse axis behind the buttocks,
In the buttocks grooves, buttocks grooves, double bone grooves, hip joint grooves are formed,
The buttock recess slope surface, the buttocks recess slope surface, thigh head recess slope surface is formed concave and convex, characterized in that the hip pocket in the center of the tube joint seat characterized in that the pack pocket is mounted in the through hole. The method of claim 1,
The coronary joint seat sheet has a unique geometry, the vertical length of the front and back is short, the left and right width is long, the composition ratio is formed in a ratio of 1: 2.2 to 1: 1.8,
The center of the back of the joint seat sheet forms a rectangular backrest groove, and the curved backside curved curved surface is extended to form a dorsal side curvature to the central side, and the curvature at the front both sides of the convex wing tip is curved to the side central part. The dorsal side curves and the front side curves meet at obtuse angles to form obtuse side surface central portions, and the front side has a "W type" shape and a convex rounded curved surface extends to both sides to form a concave arched curved line. The joint seat sheet, characterized in that it is lightened to form a rounded wing tip. The method of claim 1 and 2,
The coronary joint seat sheet is symmetrical to the center of the vertical transverse axis, and the base surface forming the side and the back is horizontal and the center of the back is separated, and the rear center of the back forms a rectangular groove backrest groove, and the anterior backrest groove Concave groove is formed, the microsacral concave groove is "egg cross-section" shape, the marginal joint seat sheet, characterized in that the back portion of the marginal concave concave groove forming a groove toward the backrest groove connected to the groove. The method of claim 1, wherein
Buttock grooves are formed in the center of the front of the joint seat sheet opposite symmetry, the butt grooves forming the central front portion of the joint seat sheet is inclined to form a "shell" shape, the inclined curved surface is flat, the gluteal groove The joint seat seat, characterized in that seating and corresponding to the buttocks formed by the biceps. According to claim 1 and 4
The length of the joint seat sheet vertical transverse axis to the buttocks groove center is 55mm around and 42mm to 66mm in length, from the front part of the buttocks groove edge to 80mm around the buttocks groove range from 65mm to 90mm, the buttocks groove center In the femoral condyle branch segment length is formed in the range of 65mm to 170mm. The method of claim 1 and 4,
Concave-convex portion is formed on the inclined curved surface of the buttocks, wherein the concave-convex portion is formed of a stepped shape, a semicircular protrusion, a semicircular concave portion, and the cross-sectional shape is a stepped shape and is formed along a curved slope from 0.9mm to 2.0mm in height. The diameter of the protrusions is within 3.0mm to 4.0mm, and the joint seat sheet, characterized in that the organic through hole of about 3.0mm in diameter is formed between the stepped semi-circular projections. The method according to claim 1 and 4, 5, 6,
The buttock groove, the rib groove, the hip groove is formed in a groove somewhat deeper than the buttock groove slope, the groove is directed from 12:30 to 1:00 o'clock in the right buttock recess center, 11: in the left buttock recess center 00 to 11:30 minutes, the bicuspid groove is from 7:00 to 7:30 minutes in the right buttock recess center, and from 3:00 to 3:30 minutes from the left buttocks recess center. The sulcus groove and the bicuspid groove are connected to each other to form a curved surface, and the hip fracture groove is between 3:30 minutes and 4:00 hours in the center of the right buttocks, and from 8:00 to 8:30 minutes in the center of the left buttocks. The joint seat sheet, characterized in that to maintain a certain distance from the center of the buttocks groove in the direction between the oval shape in the direction of the buttocks groove edge. Claim 1 and
The thigh head recess in contact with the buttocks recess hip joint groove is formed between the thigh side support, the "V-shaped" thigh head recess is inclined curved surface in the ground direction, the end of the thigh head recess inclined curved surface is arched Joint seat sheet, characterized in that forming the front portion The method of claim 8,
And the concave curved seat surface of the thigh concave curved surface of the thigh concave curved surface drag to form a deep man-shaped "U-shaped" shape. The method of claim 1,
The buttock groove is formed in contact with the back portion and the side portion of the buttocks groove, the butt groove edge is in contact with the base surface by an arc formed in connection with the thigh side receiving, the buttock groove inclined curved surface is extended to form the buttock groove slope. The joint seat sheet, characterized in that forming. The method according to claim 1 and 10,
The hip groove extends in the front direction to form a femoral side receiving groove, the femoral side receiving groove extends to form a wing tip, and the wing tip protrudes to form a round and convex wing tip. Seat sheet. 12. The method of claim 11,
The buttock inclined curved surface is formed in a ratio of 1: 1 to 2.4: 1 in horizontal and height ratio, and the buttock inclined curved surface extends in the front direction to form a femoral side support groove, and the inclined curved surface is in a horizontal and height ratio of 2.4. A joint seat sheet, characterized in that the inclined curved surface is formed in the ratio of 1: 1 to 1,2: 1 to the tip of the wing. The method of claim 1,
The elliptical shape of the vertebral recesses is formed between the gluteal recesses at the rear of the vertical horizontal axis, and the recesses are formed of the recesses and the recesses, and the back of the michunchu recesses is formed at the rear of the recess. The joint seat seat, characterized in that. Section 1 and
The buttock hole is formed in the center of the buttock groove, and the groove hole is a circular or oval shape having a diameter of 40 mm or less, and the edge of the groove hole is inclined in the direction of the ground. 15. The method of claim 14,
The pack pocket coupled to the bottom surface of the groove hole is a flat or circular oval shape, the cross-sectional shape is a semi-circular pack pocket, the pack is made of a material having elasticity, such as air pack, water pack, silicon pack, gel pack The joint seat seat, characterized in that. The method of claim 1 and.
The butt groove and the femoral side stand is a shape surrounding the buttocks and thigh head recesses with a quarter arc, the base surface is formed at least 15mm to 27mm higher than the buttocks groove edge, the butt groove in the center of the buttocks groove The longest distance is 180mm, and the joint seat sheet, characterized in that the edge is formed at the longest distance from the center of the upper gluteal groove to the femoral siderest 200mm.

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