JP2021058438A - Shoulder strap and baggage housing device having this shoulder strap - Google Patents

Abstract

To provide a shouldering shoulder strap which can fully disperse a load on the body in spite of a narrow width and is attached to a baggage housing device, and to provide a baggage housing device having this shoulder strap.SOLUTION: The shouldering shoulder strap 1 attached to a baggage housing device includes: a network structure 10 in which random loop shaped continuous filaments made of thermoplastic resin are fused in the intersections of the continuous filaments; and a synthetic leather sheet 20 for which a resin layer composed of synthetic resin is formed on the base material layer of a non-woven fabric or a woven knit. The synthetic leather sheet 20 is arranged on the body side of a user of the baggage housing device.SELECTED DRAWING: Figure 3

Description

The present invention relates to a shoulder strap attached to the luggage storage device and a luggage storage device provided with the shoulder strap.

As a tool for carrying luggage, a bag-shaped tool made of leather or cloth, which is a bag-shaped tool, is generally used. In addition, since both hands are free and it is easy to carry heavy luggage, luggage storage devices to which shoulder straps for shoulder straps are attached are also widely used.

If the weight of the luggage stored in the luggage compartment to which the shoulder straps are attached becomes heavy, the load will be concentrated on the shoulder straps and the shoulder straps will bite into the body, causing pain and stiff shoulders. is there.

Patent Document 1 includes a band-shaped core material, a band-shaped outer material provided on the front side of the core material, and a band-shaped lining material provided on the back side of the core material, and includes the core material, the outer material, and the lining material. At least one of them has a plurality of bending promoting structures that promote bending in at least the longitudinal direction of the core material in the longitudinal direction and the lateral direction, and each bending promoting structure is orthogonal to the longitudinal direction of the core material or diagonally. Shoulder belts extending continuously or intermittently in the direction of intersection are described. In Patent Document 2, the core material having elasticity and the outer fabric covering the core material are provided in pairs on the left and right so that the outside of the shoulder strap becomes thicker with respect to the inside at least in the portion in contact with the body. A shoulder strap for a rucksack, which is characterized by having a height difference in the core material, is described. Further, Patent Document 3 includes a detachable locking tool for suspending a bag or the like at both ends of a band-shaped member having a longitudinal direction and a lateral direction, and the band-shaped member has poor elongation in the longitudinal direction and extends in the lateral direction. A shoulder strap is described, which is characterized by being made of a cloth-like member having abundant properties.

Japanese Unexamined Patent Publication No. 2014-104294 International Publication No. 2018/088056 Japanese Unexamined Patent Publication No. 2019-13640

However, with the shoulder straps as in Patent Documents 1 to 3, the load applied to the body from the shoulder straps cannot be sufficiently dispersed, and pain or the like may be felt when using the luggage storage device, and there is room for improvement. It was. In recent years, luggage storage devices such as rucksacks and shoulder bags to which shoulder straps for shoulder straps are attached are often used as business bags, which not only sufficiently reduces the load applied to the body from the shoulder straps, but also shoulders. There is also a demand for luggage storage equipment that can narrow the width of the string and has a high design.

The present invention has been made in view of the above circumstances, and an object of the present invention is a shoulder strap for a shoulder strap attached to a luggage accommodating device capable of sufficiently distributing a load applied to the body even if the width is narrow. And to provide luggage storage with this shoulder strap.

The shoulder strap of the present invention that has been able to solve the above problems is a shoulder strap for shoulder straps attached to a luggage storage device, and a random loop-shaped continuous linear body made of a thermoplastic resin is a continuous linear body. The synthetic leather sheet has a net-like structure fused at the intersection of the above and a synthetic leather sheet in which a resin layer made of a synthetic resin is formed on a base material layer of a non-woven fabric or a woven or knitted fabric. It is characterized in that it is placed on the body side of the user.

In the shoulder cord of the above invention, the synthetic leather sheet is the synthetic leather sheet on the user side located on the body side of the user of the luggage storage device and the outer side located on the side opposite to the body side of the user of the luggage storage device. It has a side synthetic leather sheet, and the net-like structure is preferably arranged between the user side synthetic leather sheet and the outer side synthetic leather sheet.

In the shoulder strap of the above invention, the breathability of the reticulated structure measured based on the JIS L1913 (2010) 6.8.1 Frazier method is preferably higher than the breathability of the synthetic leather sheet.

It is preferable that the shoulder strap of the above invention has a length adjusting portion for adjusting the length, and the net-like structure is not provided in the length adjusting portion.

In the shoulder strap of the above invention, the maximum width is preferably 1 time or more and 5 times or less the thickness of the reticulated structure.

In the shoulder strap of the above invention, the rigidity of the synthetic leather sheet measured based on the JIS L1096 (1999) Garley bending resilience test is preferably 0.1 mN or more and 1 mN or less.

In the shoulder strap of the above invention, the synthetic leather sheet preferably has a polyurethane resin.

The luggage accommodating device of the present invention that has been able to solve the above problems is a baggage accommodating device including the shoulder cord of the present invention and the luggage accommodating portion, and the luggage accommodating portion is located on the body side of the user. The body side member has a body side member and an outer side member located on the side opposite to the body side of the user. The body side member has a net-like structure, and the outer side member has a net-like structure. It is characterized by having no body.

In the luggage accommodating device of the above invention, it is preferable that the body side member and the outer side member have a synthetic leather sheet.

The luggage accommodating device of the above invention is preferably a rucksack.

According to the present invention, the shoulder strap has a mesh structure and a synthetic leather sheet, and the synthetic leather seat is arranged on the body side of the user of the luggage accommodating device, so that the shoulder strap is attached to the user's body. It is easy to follow, and the load applied to the body from the shoulder strap can be sufficiently distributed, and even if the width of the shoulder strap is narrowed, it is possible to make it difficult to feel pain in the part in contact with the shoulder strap of the body.

It shows the perspective view of the luggage accommodating tool in embodiment of this invention as seen from the body side of the user. A perspective view of the luggage accommodating device according to the embodiment of the present invention as viewed from the outside is shown. The III-III cross-sectional view of the shoulder strap shown in FIG. 1 is shown.

Hereinafter, the present invention will be described in more detail based on the following embodiments, but the present invention is not limited by the following embodiments as well as the present invention, and appropriate changes are made to the extent that it can be adapted to the purpose of the above and the following. In addition, it is of course possible to carry out, and all of them are included in the technical scope of the present invention. In each drawing, hatching, member reference numerals, and the like may be omitted for convenience, but in such cases, the specification and other drawings shall be referred to. Further, the dimensions of the various members in the drawings may differ from the actual dimensions because the priority is given to contributing to the understanding of the features of the present invention.

FIG. 1 shows a perspective view of the luggage accommodating device to which the shoulder strap for shoulder straps is attached according to the embodiment of the present invention as viewed from the user's body side, and FIG. 2 shows the luggage accommodating device from the outside side. It is a seen perspective view. The body side of the user refers to the side facing the user's body when the user holds the luggage storage device when using the luggage storage device, and the outer side refers to the body side of the user. Points to the opposite side.

As shown in FIGS. 1 and 2, the shoulder strap 1 is attached to the luggage storage device 100. The shoulder strap 1 is used by the user to hang on the shoulder when the luggage accommodating device 100 is used. The luggage accommodating device 100 may be used by grasping the shoulder strap 1 by hand.

FIG. 3 is a cross-sectional view of III-III of the shoulder strap 1 shown in FIG. 1, which is a cross-sectional view perpendicular to the length direction of the shoulder strap 1. As shown in FIG. 3, the shoulder cord 1 is a base of a non-woven fabric or a woven or knitted fabric and a net-like structure 10 in which a random loop-shaped continuous linear body made of a thermoplastic resin is fused at an intersection of the continuous linear bodies. It has a synthetic leather sheet 20 in which a resin layer made of a synthetic resin is formed on a material layer, and the synthetic leather sheet 20 is arranged on the body side of the user of the luggage accommodating device 100. In FIG. 3, the lower side of the figure is the body side of the user of the luggage accommodating device 100, and the upper side of the figure is the outer side opposite to the body side of the user of the luggage accommodating device 100.

The shoulder strap 1 has the reticulated structure 10 and the synthetic leather sheet 20, and the synthetic leather sheet 20 is arranged on the body side of the user of the luggage accommodating device 100. , The load applied to the shoulder strap 1 is easily distributed over a wide range of the shoulder strap 1, and the flexibility of the synthetic leather sheet 20 arranged on the user's body side makes the shoulder strap 1 the user's body. When the luggage accommodating device 100 is used, the load applied to the body from the shoulder strap 1 can be sufficiently dispersed. Further, since the load applied to the shoulder strap 1 can be sufficiently dispersed, even if the width of the shoulder strap 1 is narrowed, it is possible to make the body less likely to feel pain, and it is possible to achieve both the comfort and design of the luggage storage device 100. Is possible.

As shown in FIG. 3, the synthetic leather sheet 20 is located on the user side synthetic leather sheet 21 located on the user's body side of the luggage storage device 100 and on the side opposite to the user's body side of the luggage storage device 100. It has an outer side synthetic leather sheet 22 and is located, and it is preferable that the net structure 10 is arranged between the user side synthetic leather sheet 21 and the outer side synthetic leather sheet 22. By arranging the net-like structure 10 between the user-side synthetic leather sheet 21 and the outer-side synthetic leather sheet 22, the net-like structure 10 is arranged on the body side and the outside of the user of the luggage accommodating device 100. Synthetic leather sheets 20 are present on both sides, so that the shoulder strap 1 can easily follow the user's body when the luggage accommodating device 100 is used, and the load applied to the body can be further dispersed. Further, since the mesh structure 10 is difficult to see when the shoulder strap 1 is viewed from the outside, the design of the luggage accommodating device 100 can be improved.

In the network structure 10, a random loop-shaped continuous linear body made of a thermoplastic resin is fused at an intersection of the continuous linear bodies, in other words, the linear resin made of the thermoplastic resin is twisted. It has a three-dimensional random loop joining structure in which random loops are formed and the loops are brought into contact with each other in a molten state and joined.

Materials constituting the network structure 10 include, for example, polyester-based thermoplastic elastomers, polyolefin-based thermoplastic elastomers, polystyrene-based thermoplastic elastomers, polyurethane-based thermoplastic elastomers, polyamide-based thermoplastic elastomers, ethylene-vinyl acetate copolymers, and the like. Can be mentioned. The material constituting the network structure 10 preferably contains a polyester-based thermoplastic elastomer. Since the material constituting the reticular structure 10 contains the polyester-based thermoplastic elastomer, the repulsive force of the reticular structure 10 can be increased, and the load applied to the shoulder strap 1 can be more easily dispersed.

The air permeability of the network structure 10 measured based on the JIS L1913 (2010) 6.8.1 Frazier method is preferably higher than the air permeability of the synthetic leather sheet 20. Since the breathability of the mesh structure 10 is higher than that of the synthetic leather sheet 20, gas easily flows inside the mesh structure 10, and the temperature of the mesh structure 10 becomes high inside the shoulder strap 1. It is possible to make it difficult to give discomfort to the part of the body that is in contact with the shoulder strap 1.

In the synthetic leather sheet 20, a resin layer made of a synthetic resin is formed on a base material layer of a non-woven fabric or a woven or knitted fabric. The fibers constituting the base material layer of the synthetic leather sheet 20 are preferably synthetic fibers made of a thermoplastic resin. Further, as the constituent fibers, natural fibers, regenerated fibers, semi-synthetic fibers, inorganic fibers and the like may be mixed or mixed as required.

The synthetic resin used for the fibers constituting the base material layer of the synthetic leather sheet 20 is not particularly limited as long as it has a fiber-forming ability, and for example, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, and the like. Polyesters such as low melting point polyesters, polypropylene, high density polyethylene, medium density polyethylene, low density polyethylene, linear low density polyethylene, propylene and other α − Polyesters such as a ternary copolymer with an olefin, polyamides such as polyamide 6 and polyamide 66, or a mixture or copolymer thereof can be used.

The fiber constituting the base material layer of the synthetic leather sheet 20 may be a single component type or a multi-component type such as a core sheath type, an eccentric core sheath type, a parallel type, or a sea island type, and has a fiber cross section. There is no particular limitation on the shape. Further, if necessary, various additives such as a matting agent, a pigment, an antioxidant, an ultraviolet absorber, a light stabilizer, a crystal nucleating agent, a flame retardant, and an anti-tick agent can be contained.

When a non-woven fabric is used for the base material layer of the synthetic leather sheet 20, the non-woven fabric used for the base material layer may be a short-fiber non-woven fabric, but is preferably a long-fiber non-woven fabric. Since the base material layer of the synthetic leather sheet 20 is a long-fiber non-woven fabric, the strength of the synthetic leather sheet 20 can be increased, and the durability of the shoulder strap 1 can be improved. Examples of the method for producing the long-fiber non-woven fabric used for the base material layer of the synthetic leather sheet 20 include a spunbond method and a melt blow method. Examples of the method for producing the short fiber non-woven fabric used for the base material layer of the synthetic leather sheet 20 include a carding method and an air array method.

A woven fabric or knitted fabric can also be used as the base material layer of the synthetic leather sheet 20. By using a woven fabric such as plain weave, twill weave, satin weave, etc. for the base material layer of the synthetic leather sheet 20, the synthetic leather sheet 20 can be made into a thin and lightweight fabric with excellent strength and abrasion resistance. it can. Further, since knitting such as circular knitting, warp knitting, tricot knitting, and Russell knitting is used for the base material layer of the synthetic leather sheet 20, the synthetic leather sheet 20 has both extensibility and a soft texture. ..

The resin layer of the synthetic leather sheet 20 is formed of a synthetic resin. Examples of the synthetic resin forming the resin layer of the synthetic leather sheet 20 include polyurethane resin, polyamide resin, polyacrylate resin, polyvinyl acetate resin, and polyacrylonitrile resin. These synthetic resins may be used alone or in combination of two or more.

The synthetic leather sheet 20 preferably has a polyurethane resin. That is, it is preferable that the synthetic resin constituting the resin layer of the synthetic leather sheet 20 has a polyurethane-based resin. Since the synthetic leather sheet 20 has the polyurethane resin, the flexibility of the synthetic leather sheet 20 can be increased, and the shoulder strap 1 can easily follow the body of the user of the luggage accommodating device 100 to disperse the load. It will be easier to do.

The rigidity of the synthetic leather sheet 20 measured based on the JIS L1096 (1999) Garley bending resilience test is preferably 0.1 mN or more and 1 mN or less. Since the rigidity of the synthetic leather sheet 20 based on the Garley bending resilience test is 0.1 mN or more and 1 mN or less, the synthetic leather sheet 20 becomes flexible and deforms along the body when the luggage accommodating device 100 is used. It is possible to use a shoulder strap 1 that is easy to use.

The rigidity of the synthetic leather sheet 20 measured based on the JIS L1096 (1999) Garley bending resilience test is preferably 0.1 mN or more, more preferably 0.2 mN or more, and more preferably 0.3 mN or more. Is more preferable. By setting the lower limit of the rigidity of the synthetic leather sheet 20 in the above range, the synthetic leather sheet 20 has an appropriate elasticity, and the strength of the shoulder strap 1 can be increased. Further, the rigidity of the synthetic leather sheet 20 measured based on the JIS L1096 (1999) Garley bending resilience test is preferably 1 mN or less, more preferably 0.9 mN or less, and 0.8 mN or less. Is more preferable. By setting the upper limit of the rigidity of the synthetic leather sheet 20 in the above range, the synthetic leather sheet 20 becomes sufficiently soft and the shoulder strap 1 easily follows the body of the user of the luggage accommodating device 100.

As shown in FIGS. 1 and 2, the shoulder strap 1 has a length adjusting portion 11 for adjusting the length, and the reticulated structure 10 is not provided in the length adjusting portion 11. preferable. Since the shoulder strap 1 has the length adjusting portion 11, the length of the shoulder strap 1 can be adjusted, and when the luggage accommodating device 100 is used, the shoulder strap 1 is set to an appropriate length and the shoulder strap 1 is used. Can make it difficult for the user to bite into the body. Further, since the length adjusting portion 11 is not provided with the mesh structure 10, it is possible to prevent the length adjusting portion 11 from becoming thicker, which makes it easier to adjust the length of the shoulder strap 1. be able to. The length of the shoulder strap 1 indicates the length of the luggage accommodating device 100 in the height direction of the user.

As the length adjusting portion 11, for example, as shown in FIG. 1, the length of the strip-shaped member 11a is adjusted by using the strip-shaped member 11a and the engaging member 11b, and at least of the hook-and-loop fastener male and the hook-and-loop fastener female. It is possible to adjust the total length of the shoulder strap 1 by adjusting the length of the hook-and-loop fastener by engaging a part of them with each other. Examples of the engaging member 11b include buckles, hooks, hook-and-loop fasteners, buttons, snap buttons, footjobs (backpack cans, adjusters) and the like. Above all, the length adjusting portion 11 has a strip-shaped member 11a and an engaging member 11b, and it is preferable that the engaging member 11b is a footjob. Since the length adjusting portion 11 has the band-shaped member 11a and the engaging member 11b, the length of the shoulder strap 1 can be easily adjusted, and the length of the shoulder strap 1 after the adjustment can be easily adjusted. Easy to maintain length.

As shown in FIGS. 1 to 3, it is preferable that the length adjusting portion 11 is arranged below the net-like structure 10 in the length direction of the shoulder strap 1. Since the length adjusting portion 11 is arranged below the mesh structure 10 of the shoulder strap 1, when the shoulder strap 1 is hung on the shoulder when the luggage accommodating device 100 is used, the mesh structure 10 of the shoulder strap 1 is attached. The portion held is easy to come into contact with the user's body, and the load applied to the user's body from the shoulder strap 1 is easily distributed.

The maximum width of the shoulder strap 1 is preferably 1 time or more and 5 times or less the thickness of the reticulated structure 10. By setting the ratio of the maximum width of the shoulder strap 1 to the thickness of the mesh structure 10 within the above range, the load applied from the shoulder strap 1 when the luggage storage device 100 is used is sufficiently dispersed, and the luggage storage device 100 is used. The feeling can be improved.

The maximum width of the shoulder strap 1 is preferably 1 time or more, more preferably 1.5 times or more, and further preferably 2 times or more the thickness of the reticulated structure 10. By setting the lower limit of the ratio of the maximum width of the shoulder strap 1 to the thickness of the mesh structure 10 within the above range, the load applied to the shoulder strap 1 when the luggage accommodating device 100 is used is applied to the entire width of the shoulder strap 1. It becomes easy to be dispersed in. Further, the maximum width of the shoulder strap 1 is preferably 5 times or less, more preferably 4.5 times or less, and further preferably 4 times or less the thickness of the reticulated structure 10. By setting the upper limit of the ratio of the maximum width of the shoulder strap 1 to the thickness of the mesh structure 10 within the above range, it is possible to prevent the width of the shoulder strap 1 from becoming excessively large, and the luggage storage device 100 is comfortable to use. It is possible to improve the design while improving the design.

As shown in FIGS. 1 and 2, the luggage storage device 100 according to the embodiment of the present invention includes the shoulder cord 1 and the luggage storage unit 50 of the present invention, and the luggage storage unit 50 is the body of the user. It has a body side member 51 located on the side and an outer side member 52 located on the side opposite to the body side of the user, and the body side member 51 has a network structure 10 and is on the outer side. The member 52 does not have the reticulated structure 10. Since the luggage accommodating device 100 has the shoulder strap 1 of the present invention, the load applied to the user's body by the shoulder strap 1 can be sufficiently dispersed.

Further, since the body side member 51 has the mesh structure 10, the force applied to the body side of the user of the luggage accommodating device 100 can be dispersed, and the luggage accommodating device 100 is used when the luggage accommodating device 100 is used. Even if the body of the person and the body side of the luggage accommodating device 100 rub against each other, the luggage accommodating device 100 is less likely to be scratched, and the aesthetic appearance of the luggage accommodating device 100 can be maintained. Further, since the outer member 52 does not have the mesh structure 10, it is possible to prevent the thickness of the luggage accommodating device 100 from the body side to the outer side of the user, and the luggage accommodating device 100 is prevented from becoming excessively thick. Is less likely to come into contact with others, and it is possible to maintain the aesthetic appearance of the luggage storage device 100.

Although not shown, the network structure 10 is preferably arranged at the bottom portion of the luggage accommodating portion 50. Since the mesh structure 10 is arranged at the bottom of the luggage storage unit 50, when the luggage storage device 100 is placed on the floor, the ground, or the like, the impact is not easily transmitted to the luggage storage unit 50, and the luggage storage device 100 It is possible to prevent the stored luggage from being damaged.

The body side member 51 and the outer side member 52 preferably have a synthetic leather sheet 20. Since the body side member 51 and the outer side member 52 have the synthetic leather sheet 20, the design of the luggage accommodating tool 100 can be enhanced.

In the body side member 51, it is preferable that the synthetic leather sheet 20 is arranged closer to the user's body than the mesh structure 10. That is, it is preferable that the network structure 10 is not exposed in the luggage accommodating portion 50. Since the synthetic leather sheet 20 is located closer to the user's body than the mesh structure 10 in the body side member 51, the synthetic leather of the user's body and the body side member 51 when the luggage accommodating device 100 is used. Since the synthetic leather sheet 20 comes into contact with the seat 20 and deforms along the user's body, it is less likely to feel pain even if the luggage accommodating portion 50 comes into contact with the user's body, and the comfort of the luggage accommodating tool 100 is enhanced. be able to.

The luggage accommodating device 100 may be any as long as it can accommodate the luggage in the luggage accommodating portion 50 and can be carried by hanging it on the shoulder. Examples of the type of the luggage accommodating device 100 include a rucksack, a school bag, a shoulder bag, and a pochette. Can be mentioned. Above all, the luggage accommodating device 100 is preferably a rucksack. Since the luggage storage device 100 is a rucksack, there are two shoulder straps 1 and one shoulder strap 1 is located on each shoulder of the user. Therefore, a heavy load is stored in the luggage storage unit 50. However, it is difficult to feel pain or the like, and the luggage storage device 100 can be made comfortable.

As described above, the shoulder strap of the present invention is a shoulder strap for shoulder straps attached to the luggage storage device, and a random loop-shaped continuous linear body made of thermoplastic resin is fused at the intersection of the continuous linear bodies. It has a net-like structure to be worn and a synthetic leather sheet in which a resin layer made of a synthetic resin is formed on a base material layer of a non-woven fabric or a woven or knitted fabric. It is characterized by being placed on the body side. With such a configuration of the shoulder straps, the shoulder straps can easily follow the user's body, and the load applied to the body from the shoulder straps can be sufficiently distributed, and the body can be narrowed even if the width of the shoulder straps is narrowed. It is possible to make it difficult to feel pain in the part in contact with the shoulder strap.

1: Shoulder cord 10: Reticulated structure 11: Length adjusting part 11a: Band-shaped member 11b: Engaging member 20: Synthetic leather sheet 21: User side synthetic leather sheet 22: Outer side synthetic leather sheet 50: Luggage storage part 51: Body side member 52: Outer side member 100: Luggage storage device

Claims (10)

A shoulder strap attached to the luggage compartment for shoulder straps.
A network structure in which a random loop-shaped continuous linear body made of a thermoplastic resin is fused at an intersection of the continuous linear bodies, and a resin layer made of a synthetic resin are formed on a base material layer of a non-woven fabric or a woven or knitted fabric. With synthetic leather seats,
The synthetic leather sheet is a shoulder strap that is arranged on the body side of the user of the luggage accommodating device. The synthetic leather sheet is a synthetic leather sheet on the user side located on the body side of the user of the luggage storage device and an outer synthetic leather sheet located on the side opposite to the body side of the user of the luggage storage device. And have
The shoulder strap according to claim 1, wherein the net-like structure is arranged between the user-side synthetic leather sheet and the outer-side synthetic leather sheet. The shoulder strap according to claim 1 or 2, wherein the breathability of the reticulated structure measured based on the JIS L1913 (2010) 6.8.1 Frazier method is higher than the breathability of the synthetic leather sheet. It has a length adjustment part that adjusts the length,
The shoulder strap according to any one of claims 1 to 3, wherein the net-like structure is not provided in the length adjusting portion. The shoulder strap according to any one of claims 1 to 4, wherein the maximum width is 1 time or more and 5 times or less the thickness of the reticulated structure. The shoulder strap according to any one of claims 1 to 5, wherein the rigidity of the synthetic leather sheet measured based on the JIS L1096 (1999) Garley bending resilience test is 0.1 mN or more and 1 mN or less. The shoulder strap according to any one of claims 1 to 6, wherein the synthetic leather sheet has a polyurethane resin. A luggage accommodating device including the shoulder strap and the luggage accommodating portion according to claims 1 to 7.
The luggage accommodating portion has a body side member located on the body side of the user and an outer side member located on the side opposite to the body side of the user.
The body-side member has the reticulated structure and has.
The outer member is a luggage accommodating tool, which does not have the net-like structure. The luggage accommodating device according to claim 8, wherein the body side member and the outer side member have the synthetic leather sheet. The luggage storage device according to claim 8 or 9, which is a rucksack.

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