JP3240958U - hip seat - Google Patents

Abstract

To provide a hip seat capable of reducing the pain caused by the lower end of a waist support contacting the abdomen when an infant is placed on the seat. A hip seat is integrally composed of a pedestal portion 40 projecting outward from the wearer's abdomen side and a base portion 41 extending down from the pedestal portion 40 along the circumference of the wearer's abdomen. a seat portion main body 35 having a rigidity that allows the seat portion main body 35 to be mounted on the seat portion main body 35 and curvedly extending along a waist support surface 41a on the abdominal side of the base portion 41; A seat portion structure composed of a cushion member 36 integrally formed with a winding portion 45 winding the lower end portion of the portion 41 and a fixing portion 46 extending from the winding portion 45 with the base portion 41 sandwiched therebetween. It has a body 30 , a bag-like cover member 13 that houses the seat structure 30 , and a pair of waist belts 12 fixed to the cover member 13 . [Selection drawing] Fig. 3

Description

The present invention relates to a hip seat.

A hip sheet that is worn on the wearer's abdomen is used as a tool to safely support the infant and reduce the burden on the wearer when carrying the infant while carrying it around or doing some work. be. Such a hip seat (sometimes referred to as a baby carrier) has a pedestal on which the buttocks of the infant are placed and a pair of waist belts for fixing the pedestal to hold the infant in a stable posture.

The pedestal consists of a pedestal on which the infant's buttocks can be placed, and a lumbar support extending downward from the pedestal along the circumference of the wearer's abdomen, and a seat. It is composed of a cover member that accommodates the main body. The seat main body has a rigidity capable of supporting the weight of the infant. The seat main body is fixed to the pair of waist belts while being accommodated in the bag-shaped cover member. For the cover member, cushioning is added by using a cardboard knit for the cover fabric, or by making the cover fabric a double structure and filling the inside with a cushioning material made of soft foamed resin. (See Patent Document 1, for example).

In addition, the seat main body has a pedestal and a waist support part integrally formed of a hard synthetic resin such as foamed polystyrene, and a plate-shaped cushion material is attached to the back of the waist support part (surface along the abdomen). A sheet has also been disclosed (see, for example, Patent Document 2).

Utility Model Registration No. 3235488 JP-A-9-206180

The seat body described in each of the above patent documents has a rigidity capable of supporting the weight of an infant. Since the pedestal protrudes forward from the abdomen side when worn on the abdomen, when an infant is placed on the pedestal, the seat main body rotates about the lower end of the waist support. As a result, the lower end of the waist support is strongly pressed against the abdomen, which is painful for the wearer.

Therefore, the hip seat described in Patent Document 1 uses a cover fabric with cushioning properties for the cover member that accommodates the seat main body, or the cover fabric has a double structure and is filled with a cushioning material to reduce pain. are trying to reduce However, the cover material is thin, and the cushion material cannot be accommodated in a sufficient amount at the lower end of the waist support portion, so sufficient cushioning properties cannot be obtained. Therefore, there is a problem that it is not possible to reduce the pain of carrying an infant.

Further, in the hip seat described in Patent Document 2, the cushion material arranged on the abdomen side is arranged up to the same position as the lower end of the waist support portion. Therefore, since no cushioning material is provided at the lower end of the waist support that touches the abdomen when the seat body rotates, it is not possible to obtain sufficient cushioning properties for alleviating pain when an infant is placed on the seat. There was a problem.

The present invention has been made in view of this problem, and its purpose is to reduce the pain caused by the lower end of the waist support coming into contact with the abdomen when the infant is placed on the seat. It is intended to provide a comfortable hip seat.

[1] The hip seat of the present invention includes a pedestal projecting outward from the abdomen of the wearer when worn on the abdomen of the wearer, and a pedestal extending from the pedestal to the abdomen of the wearer. A rigid seat main body integrally formed with a base portion that hangs down and extending along the base portion; A cushion member integrally formed with a waist support portion extending from the base portion, a winding portion winding the lower end portion of the base portion, and a fixed portion extending from the winding portion with the base portion sandwiched therebetween. and a seat structure, a bag-like cover member for accommodating the seat structure, and a pair of waist belts fixed to the cover member. do.

[2] In the hip seat of the present invention, the waist support part extends along the entire waist support surface of the base part, and the upper end surface of the waist support part supports the buttocks of the infant on the base part. It is preferable that it is arranged on the extension of the upper surface on which it is placed.

[3] In the hip seat of the present invention, the seat main body has a plurality of parallel ribs projecting from the inner surface of the seat on the side opposite to the seat surface of the base and the waist support surface of the base, The cushion member has a projection projecting from the fixing portion toward the waist support portion, and the projection is configured to be fittable between adjacent ribs among the plurality of ribs. It is preferable that

[4] In the hip seat of the present invention, in the cushion member, each connecting portion of the outer surface of the waist support portion, the winding portion, and the fixing portion is connected by an arc, and the winding portion It is preferable that the bottom end is curved around the abdomen when the infant is placed on the pedestal.

[5] In the hip sheet of the present invention, the roll-in portion has a thickness of 30 mm or more from the abdomen side surface to the outer surface of the fixed portion, and a thickness of the roll-in portion 45 from the inner bottom to the lowest end, And it is preferably 50 mm or less.

[6] In the hip sheet of the present invention, it is preferable that the waist support portion has a thickness of 10 mm or more and 20 mm or less.

[7] In the hip seat of the present invention, it is preferable that the seat main body is made of paper, wood, plastic resin, metal, or injection-molded resin.

[8] In the hip sheet of the present invention, the injection-molded resin is acrylonitrile-butadiene-styrene, polycarbonate, polyphthalamide, polyoxymethylene, polymethyl methacrylate, polypropylene, or polybutylene terephthalate, or any of these. is preferably a mixture of

[9] In the hip seat of the present invention, the cushion member is preferably made of urethane resin, melamine resin, polyethylene foam, synthetic rubber, natural sponge or cloth.

[10] In the hip seat of the present invention, the surface hardness of the cushion member is preferably Hs30 or more and Hs70 or less.

The hip seat of the present invention includes a waist support portion extending along the waist support surface of a base portion that curves around the abdomen of a seat body on which an infant is placed and held, and a winding portion that wraps around the lower end of the base portion. , and a fixed portion extending from the winding portion with the base portion sandwiched therebetween have a cushion member integrally formed therewith. By attaching such a cushion member to the seat main body, it is possible to reduce the pain caused by the lower end of the base portion contacting the abdomen with the film-embedded portion of the cushion member when an infant is placed on the pedestal. .

1 is a perspective view showing a schematic configuration of a hip seat 1; FIG. 2 is a view of the wearer 2 wearing the hip seat 1 on the abdomen 2A with the waist belts 11 and 12 and placing the infant 3 on the pedestal 10, as seen from the left side of the wearer 2. FIG. FIG. 2 is a cross-sectional view of the pedestal 10 cut along the line AA in FIG. 1, showing a state in which the seat structure 30 is housed in the cover member 13. FIG. 3 is a perspective view showing a schematic configuration of a seat structure 30; FIG. 3 is a perspective view showing one configuration example of a seat main body 35. FIG. FIG. 4 is a diagram showing one configuration example of a cushion member 36;

Hereinafter, the configuration of the hip seat 1 of the present invention will be described with reference to the drawings. It should be noted that the figures referred to in the following description are schematic diagrams in which the vertical and horizontal scales of each member and part are different from the actual ones.

FIG. 1 is a perspective view showing the schematic configuration of the hip seat 1, and FIG. It is the figure which looked at the situation from the left side of the wearer 2. FIG. The hip seat 1 comprises a pedestal 10 on which the buttocks of the infant 3 are placed, and a pair of waist belts 11 and 12 for attaching the pedestal 10 to the wearer 2. - 特許庁The base 10 is composed of a bag-shaped cover member 13 and a seat structure 30 (see FIGS. 3 and 4) housed inside the cover member 13 . The cover member 13 is made of, for example, deformable cloth, and is fixed to the waist belt 11 at the left end of the wearer and to the waist belt 12 at the right end.

The waist belt 11 and the waist belt 12 are connected and fixed by a plane fastener 14 at overlapping positions when worn on the abdomen 2A. A fixing belt 15 is fixed to the waist belt 12 for assisting the fixing of the waist belt 11 and the waist belt 12 . The fixed belt 15 has one end fixed to the waist belt 12, and has an insertion part 16 at the end on the waist belt 11 side, and the insertion part 16 is inserted into a receiving part 17 fixed to the waist belt 11. - 特許庁It is possible to connect by inserting .

An adjustment region 18 for adjusting the length of the waist belts 11 and 12 (tightening force on the waist) is provided in the vicinity of the joint between the waist belts 11 and 12 and the cover member 13 . An adjustment dial 19 is arranged outside the adjustment area 18 in the length direction. A wire 20 is suspended between the adjustment area 18 and the adjustment dial 19, and by rotating the adjustment dial 19 in one direction, the length of the adjustment area 18 is changed to adjust the tightening force of the waist. is possible. Although illustration is omitted, it is preferable to provide a cover for the adjustment dial 19 and the wire 20 to prevent the wearer 2 from touching it. Incidentally, it is also possible to omit the adjustment dial and the wire 20 .

The cover member 13 has a cloth-made bag-like form capable of accommodating the seat structure 30 (see FIGS. 3 and 4) therein. Although not shown, the upper surface 21 of the cover member 13 is woven with rubber or the like in dots so that the buttocks of the infant 3 are not slipped thereon. A skirt portion 22 that hangs down from the outer periphery of the upper surface 21 is provided with a fastener 23 so that a front sheet portion 34 can be connected. By opening the fastener 23, the front side is opened so that the seat structure 30 can be taken in and out. The fastener 23 has two sliders 24, and can be fully opened left and right by the sliders 24. - 特許庁In addition, it is possible to attach a shoulder strap to the pedestal 10 .

FIG. 3 is a cross-sectional view of the base 10 cut along the line AA in FIG. 1, showing a state in which the seat structure 30 is accommodated in the cover member 13. As shown in FIG.

The base 10 is composed of a bag-like cover member 13 and a seat portion structure 30 housed inside the cover member 13 . The cover member 13 includes an upper seat portion 31 on which the buttocks of the infant 3 are placed, an abdomen seat portion 32 corresponding to the abdomen 2A of the wearer 2, and a front seat portion 34 which is sewn to the abdomen seat portion 32 and forms a pocket portion 33 which is a space. consists of The seat structure 30 is composed of a seat main body 35 and a cushion member 36 . A skirt portion 22 is sewn on the outer circumference of the upper sheet portion 31 , and the skirt portion 22 and the front sheet portion 34 are opened and closed with a fastener 23 . The seat structure 30 can be inserted into and taken out by opening and closing the fastener 23 . The arrow shown in FIG. 3 represents the state in which the fastener 23 is opened and the front sheet portion 34 is released.

The seat main body 35 includes a pedestal 40 that protrudes outward from the abdomen 2A of the wearer 2 and a base 41 that extends downward from the pedestal 40 along the abdomen 2A of the wearer 2. It is configured. The pedestal part 40 is a part on which the infant's buttocks are placed, and the base part 41 is a part that supports the seat structure 30 at the position of the wearer's 2 abdomen 2A. An upper cushion member 42 is arranged between the base portion 40 and the upper seat portion 31 . A side cushion member 43 is arranged between the cushion member 36 and the abdomen seat portion 32 . A space between the seat portion structure 30 and the front seat portion 34 becomes a pocket portion 33, and the pocket portion 33 can be used as an accessory case.

The cushion member 36 includes a waist support portion 44 extending along the waist support surface 41 a of the base portion 41 , a winding portion 45 winding the lower end portion of the base portion 41 , and the base portion 41 sandwiched between the winding portions 45 . It is an integral structure with the extending fixed portion 46 . The pedestal part 40 has an inclination angle of about 120 degrees with respect to the base part 41, and when the infant 3 is placed thereon, the pedestal part 40 rotates about the position where the winding part 45 hits the abdomen 2A as the axis of rotation, and becomes substantially horizontal. is configured as

An upper auxiliary sheet portion 47 that can swell toward the pocket portion 33 is sewn to the sewn portion between the upper sheet portion 31 and the skirt portion 22 so as to cover the leading end portion of the base portion 40 . It is possible to hold. A lower auxiliary seat portion 48 that expands toward the pocket portion 33 is sewn to the sewn portion between the abdominal sheet portion 32 and the front sheet portion 34, and the area from the winding portion 45 to the fixed portion 46 of the cushion member 36 is sewn. can be held so as to cover the In this manner, the cover member 13 is provided with the upper auxiliary seat portion 47 and the lower auxiliary seat portion 48 to prevent the seat structure 30 from moving within the cover member 13, so that when the infant 3 is placed on the pedestal, the seat structure 30 is prevented from moving. 10 can maintain a stable posture. The fixed portion 46 has a plurality of protrusions 65 protruding toward the base portion 41 , which are fitted with a plurality of ribs 57 provided on the seat body 35 , thereby providing the seat body 35 and the cushion member 36 with the seat body 35 and the cushion member 36 . It suppresses the relative positional deviation with The ribs 57 are provided to prevent deformation of the seat main body 35 during manufacturing and during use, and are referred to as reinforcing ribs 57 in the following description.

Next, the configuration of the seat portion structure 30, and the configuration of the seat portion main body 35 and the cushion member 36 will be described with reference to FIGS. 4 to 6. FIG.

FIG. 4 is a perspective view showing a schematic configuration of the seat structure 30. As shown in FIG. Since the details of the seat main body 35 and the cushion member 36 will be described with reference to FIGS. 5 and 6, FIG. The seat structure 30 is composed of a seat main body 35 and a cushion member 36 . The seat structure 30 can be integrated by inserting the base portion 41 of the seat main body 35 between the waist support portion 44 and the fixing portion 46 of the cushion member 36 . The base portion 41 is inserted until the lower end portion of the edging portion 59 contacts the inner bottom portion 45 a of the winding portion 45 of the cushion member 36 . When the seat portion main body 35 and the cushion member 36 are assembled, the upper end surface 44a of the waist support portion 44 is on the extension of the seat surface 55 of the pedestal portion 40, so that when the infant 3 is placed on the seat surface 55, there is a sense of discomfort. I try not to When the pedestal portion 40 is inserted into the cushion member 36 , the waist support portion 44 of the cushion member 36 comes into close contact with the waist support surface 41 a of the base portion 41 . Next, the configurations of the seat main body 35 and the cushion member 36 will be described.

FIG. 5 is a perspective view showing one configuration example of the seat main body 35. As shown in FIG. The seat main body 35 includes a base portion 40 protruding outward from the abdomen 2A side of the wearer 2 and a base portion 41 extending downward from the base portion 40 along the abdomen 2A of the wearer 2. consisted of a single unit. The pedestal portion 40 has a substantially semicircular shape in plan view. The base portion 41 has a waist support surface 41a curved around the abdomen 2A of the wearer 2, and the seat surface 55 of the pedestal portion 40 and the waist support surface 41a are connected by a gentle arc. The seat main body 35 has four reinforcing ribs 57 that are continuous in parallel on the inner surface 35a opposite to the seat surface 55 and the waist support surface 41a. The four reinforcing ribs 57 are referred to as reinforcing ribs 57A to 57D in order from the left side. In addition, left and right in the drawing represent directions when the wearer 2 wears the hip seat 1 . The seat main body 35 is provided with reinforcing ribs 57 to increase the rigidity of the pedestal 40 and the base 41 , thereby preventing deformation due to the weight of the infant 3 . The number of reinforcing ribs 57 is not limited to four, and can be increased from four or decreased from four if rigidity can be ensured. It is also possible to form the reinforcing ribs 57 in a grid pattern.

A groove 58 is formed along the outer periphery of the seat surface 55 , and a continuous edging portion 59 is formed on the outer peripheral edges of the pedestal portion 40 and the base portion 41 . By providing these grooves 58, edging portions 59, and reinforcing ribs 57, the seat portion main body 35 can obtain sufficient strength (rigidity) in the plane direction and thickness direction even if the thickness of the plate is reduced, thereby reducing the weight. It becomes possible to

A plurality of through holes 60 are provided in the pedestal portion 40 and the base portion 41 . Through holes 60 are provided between reinforcing ribs 57 . The through-holes 60 are intended to reduce the weight of the seat body 35, and the example shown in FIG. 5 is one example. can be arbitrarily set within the range where the intensity of is obtained.

The seat main body 35 can be formed of wood, paper, plastic resin material, or metal by cutting or bonding, or can be molded with injection-molded resin or the like. The material of the injection molding resin is preferably acrylonitrile-butadiene-styrene, polycarbonate, polyphthalamide, polyoxymethylene, polymethyl methacrylate, polypropylene, or polybutylene terephthalate, or a mixture thereof.

FIG. 6 is a diagram showing one configuration example of the cushion member 36. As shown in FIG. 6(a) is a perspective view, FIG. 6(b) is a plan view of the cushion member 36 as seen from above, and FIG. 6(c) is a fixing portion 46 seen through the waist support portion 44. It is a front view. As shown in FIGS. 6(a) to 6(c), the cushion member 36 has a substantially J-shape when viewed from the side. The cushion member 36 includes a waist support portion 44 extending along a waist support surface 41a (see FIG. 5) of the base portion 41 of the seat main body 35, and a lower end portion of the base portion 41 (a lower end portion of the edging portion 59). and a fixing portion 46 extending from the winding portion 45 so as to sandwich the base portion 41 are integrally formed. As shown in FIG. 6A, the cushion member 36 has a waist support portion 44, a winding portion 45, and a fixed portion 46, which are connected to each other on the outer surface by a gentle arc.

The cushion member 36 is curved along the waist support surface 41a of the seat main body 35 in the left-right direction (longitudinal direction). Further, the lowermost end portion 49 of the outer periphery of the winding portion 45 is curved with substantially the same curvature as the waist support surface 41a. That is, when the infant 3 is placed on the pedestal 40 and the seat structure 30 rotates, the lowermost end 49 is shaped to follow the abdomen 2A of the wearer 2 . An inner bottom portion 45 a of the winding portion 45 is a positioning portion when the seat body 35 is inserted into the cushion member 36 .

The cushion member 36 has five projecting portions 65 projecting toward the waist support portion 44 on the inner side surface 46 a of the fixed portion 46 . The five protrusions 65 are a generic name, and are designated as a protrusion 65A, a protrusion 65B, a protrusion 65C, a protrusion 65D, and a protrusion 65E from the left side of the drawing. The shape of the protrusion 65 is a truncated quadrangular pyramid with the inner surface 46a side as the lower base, and adjacent constituent surfaces of the truncated quadrangular pyramid are smoothly connected by arcs (Fig. 6(b), Fig. 6( c) see). As shown in FIG. 6B, the protrusions 65 are fitted between the reinforcing ribs 57 of the seat main body 35 and have a height that does not come into contact with the inner side surface 44b of the waist support portion 44. As shown in FIG. It should be noted that the reinforcing ribs 57 may be fitted in the gaps between adjacent protrusions 65 . Moreover, the protrusions 65 are not limited to the truncated quadrangular pyramid, but may be a cylinder or a truncated cone.

Next, the relationship between the reinforcing ribs 57A-57D and the protrusions 65A-65E will be described with reference to FIGS. 6(b) and 6(c). In FIGS. 6(b) and 6(c), the reinforcing ribs 57A to 57D are indicated by hatching or two-dot chain lines. When the seat main body 35 is inserted into the cushion member 36, a reinforcing rib 57A is formed between the protrusions 65A and 65B, and a reinforcing rib 57B and a protrusion 65C are formed between the protrusions 65B and 65C. A reinforcing rib 57C is arranged between the projection 65D and a reinforcing rib 57D between the projection 65D and the projection 65E. That is, since the four reinforcing ribs 57A to 57D are provided parallel to the longitudinal direction of the base portion 41 of the seat main body 35, when inserting the base portion 41 into the cushion member 36, the adjacent reinforcing ribs 57A to 57D are arranged in parallel. It is possible to insert the protrusions 65 between the ribs 57 while fitting them, so that the cushion member 36 can be easily attached to the base portion 40 .

In order to obtain good cushioning properties, the cushion member 36 has a thickness H1 of 30 mm or more and 50 mm or less from the abdomen side surface of the winding portion 45 to the outer surface of the fixing portion 46 . Also, the thickness H2 of the waist support portion 44 is set to 10 mm or more and 20 mm or less. The lowermost end 49 is curved along the circumference of the abdomen 2A, and the thickness H3 between the inner bottom 45a of the winding portion 45 and the lowermost end 49 is preferably in the range of 30 mm to 50 mm. Note that the thickness H3 is the thickness including the curved region of the lowermost end portion 49 .

The cushion member 36 is made of urethane resin, melamine resin, foamed polyethylene, synthetic rubber, natural sponge, cloth, or the like. The cushion member 36 described in this example is an injection-molded urethane resin. As described above, various materials can be used for the cushion member 36, but the surface hardness of the cushion member 36 is preferably Hs20 or more and Hs70 or less. This hardness is such that the cushion member 36 is crushed when pressed with a finger, and the shape is not deformed when the cushion member 36 is worn. By setting the range, it is possible to maintain the stability when the infant 3 is placed on the base 10 while wearing the hip seat 1 and reduce the pain when the infant hits the abdomen 2A.

In the hip seat 1 of the present invention, the seat structure 30 includes a rigid seat main body 35 composed of a base portion 41 extending downwardly from a pedestal 40 on which the buttocks of the infant 3 rest, and a seat main body 35. It has a cushion member 36 attached to the. The cushion member 36 includes a waist support portion 44 that curves and extends along the waist support surface 41a on the side of the abdomen 2A of the base portion 41, a winding portion 45 that wraps around the lower end of the base portion 41, and from the winding portion 45. A fixing portion 46 that extends while sandwiching the base portion 41 is integrally formed. By attaching the cushion member 36 configured in this way to the seat main body 35, it is possible to reduce the pain caused by the lower end of the base portion 41 coming into contact with the abdomen 2A when the infant 3 is placed on the pedestal 10. becomes.

Since the waist support portion 44 of the cushion member 36 extends around the abdomen 2A along the entire surface of the waist support surface 41a of the seat body 35, it is possible to reduce the load on the abdomen 2A. In addition, since the upper end surface 44a of the waist support portion 44 is arranged on the extension of the seat surface 55 of the pedestal portion 40, there is no step when the infant 3 is placed on the seat surface 55, and the infant 3 sits comfortably. become comfortable.

The seat body 35 has reinforcing ribs 57A to 57D, and the cushion member 36 has protrusions 65A to 65E. The projecting portions 65A to 65E are configured to be fittable between adjacent reinforcing ribs 57 among the reinforcing ribs 57A to 57D. By configuring in this way, it is possible to prevent relative positional deviation between the seat body 35 and the cushion member 36 in the left-right direction.

The cushion member 36 has a waist support portion 44, a winding portion 45, and a fixing portion 46, which are connected to each other on the outer surface by arcs. Further, the lowest end portion 49 of the winding portion 45 is curved so as to follow the circumference of the abdomen 2A when the infant 3 is placed on the pedestal 10. - 特許庁With this configuration, it is possible to prevent the seat body 35 from locally applying a load to the abdomen 2A both when the hip seat 1 is worn and when the infant 3 is placed.

The winding portion 45 of the cushion member 36 has a thickness H1 from the surface on the side of the abdomen 2A to the outer surface of the fixed portion 46, and a thickness from the inner bottom portion 45a and the lowest end portion 49 of the winding portion 45 to 30 mm or more and 50 mm or less. there is The load when the infant 3 is placed on the pedestal 10 is most applied to the winding part 45. - 特許庁If the thicknesses H1 and H3 are 30 mm or less, a sufficient cushioning effect cannot be obtained, and if the thicknesses H1 and H3 are 50 mm or more, the posture may become unstable. Therefore, by setting the thicknesses H1 and H3 to 30 mm to 50 mm, it is possible to maintain the stability of the posture of the infant 3 while suppressing the pain caused by the load when the infant 3 is placed on the pedestal 10 .

In addition, by setting the thickness H2 of the waist support portion 44 of the cushion member 36 to 10 mm or more and 20 mm or less, when the waist belts 11 and 12 are tightened when the hip seat 1 is attached to the abdomen 2A (lumbar region), , it is possible to fit the abdomen 2A while suppressing the load on the abdomen 2A.

The seat main body 35 can be formed of paper material, wood, plastic resin material, or metal by cutting or bonding, or can be formed by injection molding of injection-molded resin. As the injection molding resin, acrylonitrile-butadiene-styrene, polycarbonate, polyphthalamide, polyoxymethylene, polymethyl methacrylate, polypropylene, or polybutylene terephthalate, or a mixture thereof can be used. be. That is, as long as the formed seat main body 35 is lightweight and has high rigidity, the manufacturing method and material are not limited. As the metal material, a lightweight material such as aluminum is preferable.

The cushion member 36 is made of urethane resin, melamine resin, foamed polyethylene, synthetic rubber, natural sponge or cloth. The cushion member 36 is selected from a material that is lightweight, has high cushioning properties, and is excellent in durability. The cushion member 36 has a surface hardness of Hs 20 or more and Hs 70 or less so that the cushion member 36 can be crushed when pressed with a finger, thereby reducing the load applied to the abdomen 2A when the infant 3 is placed on the pedestal 10. becomes possible.

1 hip seat 2 wearer 2A abdomen 3 infant 10 pedestal 11, 12 waist belt 13 cover member 30 seat structure 31 upper seat 32 Abdominal seat portion 33 Pocket portion 34 Front seat portion 35 Seat body 35a Interior surface of seat body 36 Cushion member 40 Base portion 41 Base portion 41a Lumbar support surface 42 Upper cushion member 43 Side cushion member 44 Lumbar support 44a Upper end surface 44b Inner surface 45 Involving portion 45a Inner bottom 46 Fixed portion 46a Inside fixed portion Side surface 47 Upper auxiliary seat portion 48 Lower auxiliary seat portion 49 Lowermost end 55 Seat surface of pedestal portion 57, 57A to 57D Reinforcement rib (rib) 65, 65A to 65E Projection Part, H1, H2, H3... Thickness

Claims (10)

A pedestal projecting outward from the abdomen of the wearer when worn on the abdomen of the wearer, and a base extending downward from the pedestal along the abdomen of the wearer. a rigid seat body integrally formed by
a waist support part that can be attached to the seat main body and is curved and extended along the waist support surface on the abdomen side of the base part; a winding part that winds the lower end of the base part; a cushion member integrally formed with a fixed portion extending from the winding portion with the base portion sandwiched therebetween;
a seat structure consisting of
a bag-shaped cover member that accommodates the seat structure;
a pair of waist belts fixed to the cover member;
have,
A hip seat characterized by: In the hip seat according to claim 1,
The waist support portion extends along the entire waist support surface of the base portion,
The upper end surface of the waist support part is arranged on the extension of the seat surface of the pedestal part on which the infant's buttocks are placed,
A hip seat characterized by: In the hip seat according to claim 1,
The seat main body has a plurality of parallel ribs protruding from the inner surface opposite to the seat surface of the pedestal and the waist support surface of the base,
The cushion member has a protrusion projecting from the fixed portion toward the waist support portion,
The protrusion is configured to be fittable between adjacent ribs among the plurality of ribs,
A hip seat characterized by: In the hip seat according to claim 1,
In the cushion member, each connecting portion of the outer surface of the waist support portion, the winding portion, and the fixing portion is connected by an arc, and the lowest end portion of the winding portion is adapted to allow the infant to sit on the pedestal portion. curved to fit around the abdomen when placed on the body;
A hip seat characterized by: In the hip seat according to claim 1,
The winding portion has a thickness of 30 mm or more and 50 mm or less from the abdominal side surface to the outer surface of the fixing portion and from the inner bottom and the lowest end of the winding portion 45.
A hip seat characterized by: In the hip seat according to claim 1,
The waist support portion has a thickness of 10 mm or more and 20 mm or less.
A hip seat characterized by: In the hip seat according to claim 1,
The seat main body is made of paper or wood, plastic resin material or metal formed by cutting or bonding, or injection molded resin.
A hip seat characterized by: In the hip seat according to claim 7,
The injection molding resin is acrylonitrile-butadiene-styrene, polycarbonate, polyphthalamide, polyoxymethylene, polymethyl methacrylate, polypropylene, or polybutylene terephthalate, or a mixture thereof.
A hip seat characterized by: In the hip seat according to claim 1,
The cushion member is made of urethane resin, melamine resin, foamed polyethylene, synthetic rubber, or natural sponge or cloth.
A hip seat characterized by: In the hip seat according to claim 9,
The surface hardness of the cushion member is Hs20 or more and Hs70 or less.
A hip seat characterized by:

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