WO2019244925A1 - School rucksack - Google Patents

School rucksack Download PDF

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Publication number
WO2019244925A1
WO2019244925A1 PCT/JP2019/024269 JP2019024269W WO2019244925A1 WO 2019244925 A1 WO2019244925 A1 WO 2019244925A1 JP 2019024269 W JP2019024269 W JP 2019024269W WO 2019244925 A1 WO2019244925 A1 WO 2019244925A1
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WO
WIPO (PCT)
Prior art keywords
core
inner core
outer material
school bag
gusset
Prior art date
Application number
PCT/JP2019/024269
Other languages
French (fr)
Japanese (ja)
Inventor
雅敏 橋本
Original Assignee
株式会社セイバン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社セイバン filed Critical 株式会社セイバン
Priority to RU2021100947A priority Critical patent/RU2754660C1/en
Priority to CN201980041551.3A priority patent/CN112312796B/en
Publication of WO2019244925A1 publication Critical patent/WO2019244925A1/en

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
    • A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders

Definitions

  • the present invention relates to a school bag.
  • Gakushuin school bags Conventionally, there are so-called Gakushuin school bags.
  • the gusset part of the accommodation part for accommodating a textbook or the like has a side wall part surrounding the accommodation space of the accommodation part, and an overhang part protruding outward from the side wall part. The overhang is connected to the back of the housing.
  • This school-in-school school bag is described in, for example, Japanese Utility Model Registration No. 3078744 (Patent Document 1).
  • the overhanging portion projects outward from the side wall portion, the outer shape of the back portion is larger than that of the side wall portion. Therefore, when the accommodation space surrounded by the side wall part becomes large, the outer shape of the back part also becomes large, so that the accommodation part becomes large. For this reason, it is difficult to enlarge the accommodation space while suppressing the accommodation portion from becoming large.
  • the overhang portion plays a role of reinforcing the accommodation portion. Therefore, it is difficult to secure the strength of the housing portion unless the overhang portion is provided in order to suppress the housing portion from becoming large.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a school bag which can increase the accommodation space while suppressing the enlargement of the accommodation part and can secure the strength of the accommodation part. That is.
  • the school bag of the present invention includes a storage unit provided with an opening, a lid connected to the storage unit so that the opening can be opened and closed, and a pair of shoulder belts connected to the storage unit.
  • the accommodating portion includes a back portion to which one end of each of the pair of backpacks is connected and a lid portion is connected, and a gusset portion connected to an outer edge of the back portion.
  • the gusset part includes a dress material, a core having higher bending rigidity than the dress material and arranged inside the dress material, and an inner core having higher bending rigidity than the dress material and arranged inside the core material.
  • Either the center core or the inner core includes a main body, and a protruding portion protruding from the main body to the side opposite to the outer material. The main body and the protrusion are supported by the back.
  • either the center core or the inner core includes the protruding portion protruding from the main body to the side opposite to the outer material.
  • the protrusion does not protrude outward from the outer material. Therefore, since the outer shape of the back portion is not larger than the gusset portion, the accommodation space can be enlarged while maintaining the size of the back portion. Therefore, the accommodation space can be enlarged while suppressing an increase in the accommodation portion.
  • the gusset part includes a core and an inner core. For this reason, the strength of the storage portion can be ensured by both the core and the core. Further, the main body and the protrusion are supported by the back. For this reason, the strength of the housing portion can be ensured by the main body and the protruding portion.
  • FIG. 1 is a schematic perspective view of a school bag according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of a back portion and a gusset portion of the school bag shown in FIG. 1.
  • FIG. 3 is a cross-sectional view along the line III-III in FIG. 1.
  • FIG. 4 is a sectional view taken along the line IV-IV in FIG. 1.
  • FIG. 3 is a development view of a center and an inner core of the gusset shown in FIG. 2.
  • FIG. 3 is a development view of a surface material of a gusset part shown in FIG. 2.
  • FIG. 3 is a development view of a gusset part and a reinforcing member shown in FIG. 2.
  • FIG. 4 is a schematic perspective view of a school cell in a comparative example.
  • FIG. 10 is a sectional view taken along line XX of FIG. 9.
  • FIG. 10 is a sectional view taken along the line XI-XI in FIG. 9.
  • FIG. 4 is a cross-sectional view of a land cell according to a first modification of the embodiment of the present invention at a position corresponding to FIG. 3.
  • FIG. 5 is a cross-sectional view of a land cell according to a first modification of the embodiment of the present invention at a position corresponding to FIG. 4.
  • FIG. 10 is a sectional view taken along line XX of FIG. 9.
  • FIG. 10 is a sectional view taken along the line XI-XI in FIG. 9.
  • FIG. 4 is a cross-sectional view of a land cell according to a first modification of the embodiment of the present invention at a position corresponding to FIG. 3.
  • FIG. 5 is a cross-sectional view of a land cell
  • FIG. 5 is a cross-sectional view of a school cell according to a second modification of the embodiment at a position corresponding to FIG. 3.
  • FIG. 5 is a cross-sectional view of a land cell according to a second modification of the embodiment of the present invention at a position corresponding to FIG. 4.
  • school bag 100 in the present embodiment mainly includes accommodation section 1, lid section 2, pair of backing belts 3, connecting member 4, and reinforcing member 5. ing.
  • the accommodation section 1 has a back section 11, a gusset section 12, and a front section 13.
  • the housing 1 is provided with an opening OP.
  • the housing 1 has an opening OP at the upper end.
  • the accommodation section 1 has an accommodation space IS that communicates with the opening OP.
  • the accommodation space IS is a space surrounded by the inner peripheral surfaces of the back portion 11, the gusset portion 12, and the front portion 13, respectively.
  • the accommodation section 1 is configured to be able to accommodate a textbook or the like in the accommodation space IS through the opening OP.
  • each of the pair of backpack belts 3 is connected to the back portion 11.
  • the lid 2 is connected to the back 11.
  • the connecting member 4 is attached to the back portion 11.
  • Each of the pair of shoulder belts 3 is connected to the back part 11 via the connecting member 4.
  • the reinforcing member 5 is attached to the back portion 11 and the gusset portion 12.
  • the gusset part 12 is connected to the outer edge part 11a of the back part 11.
  • the gusset part 12 is connected to the outer edge part 11a except the center part of the upper end part of the back part 11. That is, the gusset part 12 is connected to the outer edge part 11a of the back part 11 in a U-shape.
  • the gusset part 12 has a pair of side parts 121 and a bottom part 122.
  • the pair of side parts 121 are arranged so as to face each other with the bottom part 122 interposed therebetween.
  • Each of the pair of side parts 121 is configured to rise from both ends of the bottom part 122.
  • the bottom 122 is arranged so as to face the opening OP.
  • the lid 2 is connected to the housing 1 so that the opening OP can be opened and closed.
  • the lid 2 is connected to the upper end of the back 11 of the housing 1, and is configured to be able to open and close the opening OP with the upper end of the back 11 as a base end.
  • the lid portion 2 is configured to be able to cover the opening OP and the front portion 13 of the housing portion 1 in the closed state shown in FIG.
  • the cover 2 is configured to be able to expose the opening OP and the front part 13 of the housing part 1 in an opened state.
  • the pair of backing belts 3 are connected to the housing 1. Specifically, one end of each of the pair of shoulder belts 3 is connected to the upper end of the back part 11 via the connecting member 4. In FIG. 1, for convenience of description, only the vicinity of one end of each of the pair of backing belts 3 is illustrated, and other portions than the periphery of one end are not illustrated.
  • the other end of each of the pair of backpacks 3 is connected to the bottom 122 of the gusset 12 via a connection member (not shown).
  • the pair of shoulder belts 3 are provided one by one on the left and right.
  • the pair of shoulder belts 3 is configured to be worn on both shoulders of the user when the user carries the school bag 100.
  • the reinforcing member 5 is arranged at a lower portion of the housing 1 at a corner on the back 11 side of the housing 1.
  • the reinforcing member 5 extends over the pair of side portions 121 along the lower end of the back portion 11.
  • the reinforcing member 5 extends from the lower end of the back portion 11 so as to rise upward along each of the pair of side portions 121.
  • the reinforcing member 5 is arranged over the back portion 11 and each of the pair of side portions 121, and is arranged over the back portion 11 and the bottom portion 122.
  • gusset portion 12 includes outer material 12 a, middle core 12 b, and inner core 12 c.
  • the outer material 12a, the inner core 12b, and the inner core 12c are overlapped with each other.
  • the outer material 12a, the core 12b, and the inner core 12c are arranged in this order from the outside to the inside.
  • the outer material 12a forms the outer surface of the gusset portion 12.
  • the material of the outer material 12a is, for example, artificial leather or cowhide.
  • the center core 12b has higher bending rigidity than the outer material 12a.
  • the core 12b is made of a material different from the outer material 12a.
  • the material of the core 12b is, for example, a resin, and specifically, may be a foamed resin in which polyethylene terephthalate fiber and a polyester resin are mixed as main components.
  • the core 12b is arranged inside the outer material 12a.
  • the inner core 12c has higher bending rigidity than the outer material 12a.
  • the inner core 12c is made of a different material from the outer material 12a.
  • the material of the inner core 12c is, for example, a resin, and specifically, may be a foamed resin in which polyethylene terephthalate fiber and a polyester resin are mixed as main components.
  • the material of the inner core 12c may be a material obtained by laminating a resin in which pulp and an acrylic resin are mixed as main components, and the foamed resin.
  • the inner core 12c is disposed inside the inner core 12b.
  • the core 12b may have the same bending rigidity as the core 12c.
  • the core 12b may be made of the same material as the core 12c, and may have the same thickness as the core 12c.
  • the core 12b preferably has a higher bending rigidity than the core 12c.
  • the core 12b may be made of a material different from the material of the inner core 12c, and may have a larger thickness than the inner core 12c.
  • the center core 12b or the inner core 12c includes the main body part P1 and the protruding part P2.
  • the inner core 12c includes a main body part P1 and a protruding part P2.
  • the protruding portion P2 is configured to protrude from the main body portion P1 to the side opposite to the outer material 12a.
  • the protruding portion P2 is disposed at an end on the back portion 11 side of the main body portion P1. That is, a bent portion that is bent inward is provided on the rear side of the inner core 12c.
  • the main body part P1 and the protruding part P2 are supported by the back part 11. That is, the bent portion of the inner core 12c is in contact with the inner surface of the back portion 11.
  • the core 12b is protruded straight on the inner surface of the back portion 11.
  • the outer material 12a, the middle core 12b, and the inner core 12c are sewn in a state of being overlapped with each other. That is, the outer material 12a, the center core 12b, and the inner core 12c are sewn so that a thread passes through each of them in a state of being overlapped with each other.
  • the outer material 12a has the bent portion P3 turned upside down.
  • the bent part P3 is overlapped on the outer surface of the outer edge part 11a of the back part 11.
  • the outer edge 11a of the back 11 is sandwiched between the bent portion P3 of the outer material 12a and the protrusion P2 of the inner core 12c.
  • the bent portion P3 of the outer material 12a, the outer edge 11a of the back portion 11, and the inner core 12c are integrally sewn with the thread 6.
  • the outer material 12a, the core 12b, and the body P1 of the inner core 12c are integrally sewn with the thread 7.
  • reinforcing member 5 is arranged at the corner on the back 11 side of accommodation portion 1 so as to cover outer material 12a from the outside.
  • the bent portion P3 of the outer material 12a is sandwiched between the reinforcing member 5 and the back portion 11.
  • the reinforcing member 5, the bent portion P3 of the outer material 12a, and the back portion are sandwiched.
  • the outer edge 11a of the eleventh portion and the protrusion P2 of the inner core 12c are integrally sewn with the thread 6.
  • the reinforcing member 5, the outer material 12a, the center core 12b, and the main body portion P1 of the inner core 12c are integrally sewn with the thread 7.
  • FIGS. 5 to 8 show a state where the gusset part 12 is expanded for convenience of explanation.
  • a core 12b is overlaid on the inner core 12c along a boundary between the main body part P1 and the protruding part P2 of the inner core 12c.
  • the outer shape of the core 12b is smaller than the outer shape of the inner core 12c.
  • a protruding portion P2 is arranged at one end in the short direction of the inner core 12c so as to extend in the longitudinal direction.
  • the inner core 12c has a notch 20.
  • the notch 20 is provided on an edge of the protrusion P2 extending in the longitudinal direction.
  • Two notches 20 are provided at the center of the protrusion P2 in the longitudinal direction.
  • the notch 20 has a saw-tooth shape. The notch 20 facilitates bending the protruding portion P2 of the inner core 12c.
  • a bent portion P3 is arranged at one end in the lateral direction of outer material 12a so as to extend in the longitudinal direction.
  • outer material 12a, middle core 12b, and inner core 12c are overlapped with each other.
  • the reinforcing member 5 is superimposed on the outer material 12a from the side opposite to the center 12b.
  • the reinforcing member 5 is arranged at a central portion in the longitudinal direction of the outer material 12 a and is arranged so as to overlap the notch 20.
  • back 11 is positioned at gusset 12 such that bent portion P3 of outer material 12a is located at outer edge 11a of back 11.
  • the back portion 11 is positioned on the gusset portion 12 such that a corner at the lower end of the back portion 11 overlaps the notch portion 20.
  • school bag 100 in the comparative example is a so-called Gakushuin school bag.
  • the gusset part 12 has a side wall part 123 surrounding the housing space IS of the housing part 1 and a projecting part 124 protruding outward from the side wall part 123.
  • the overhang 124 is connected to the outer edge 11 a of the back 11 of the housing 1.
  • the overhang portion 124 and the outer edge portion 11a are covered with the square fabric 8 from the outside.
  • overhang portion 124 includes a first overhang member 124a and a second overhang member 124b.
  • the outer material 12a has a first overhanging member 124a.
  • the first overhanging member 124a is arranged at an end on the back 11 side of the outer material 12a.
  • the core 12b has a second overhang member 124b.
  • the second overhanging member 124b is arranged at the end of the center core 12b on the back 11 side.
  • the first overhanging member 124a and the second overhanging member 124b are configured to overhang on the side opposite to the inner core 12c.
  • the overhang portion 124 projects outward from the side wall portion 123, the outer shape of the back portion 11 is larger than that of the side wall portion 123. Therefore, when the accommodation space IS surrounded by the side wall part 123 becomes large, the outer shape of the back part 11 also becomes large, so that the accommodation part 1 becomes large. For this reason, it is difficult to enlarge the accommodation space IS while suppressing the accommodation portion 1 from becoming large. Further, the overhang portion 124 plays a role of reinforcing the housing portion 1. Therefore, it is difficult to secure the strength of the accommodation unit 1 unless the overhanging portion 124 is provided to suppress the accommodation unit 1 from becoming large.
  • one of the center core 12b and the inner core 12c protrudes from the main body P1 to the opposite side to the outer material 12a. Including a projecting portion P2. Therefore, the protruding portion P2 does not protrude outward from the outer material 12a. Therefore, the outer shape of the back portion 11 is not larger than that of the gusset portion 12, so that the accommodation space IS can be enlarged while maintaining the size of the back portion 11. Therefore, the accommodation space IS can be enlarged while suppressing the accommodation portion 1 from becoming large.
  • the gusset part 12 includes a core 12b and an inner core 12c.
  • the strength of the housing portion 1 can be secured by both the core 12b and the core 12c. Further, the main body portion P1 and the protruding portion P2 are supported by the back portion 11. For this reason, the strength of the housing portion 1 can be ensured by the main body portion P1 and the protruding portion P2.
  • the gusset part 12 includes a core 12b and an inner core 12c. For this reason, the strength can be adjusted separately for the core 12b and the core 12c. Therefore, the adjustment of the strength of the storage section 1 becomes easy.
  • the corner cloth 8 of the comparative example is unnecessary. Since the corner cloth 8, which is a separate member from the outer material 12a, becomes unnecessary, the number of members can be reduced. Therefore, productivity can be improved.
  • school bag 100 in the present embodiment includes reinforcing member 5. Therefore, the strength of the housing portion 1 can be further secured by the reinforcing member 5.
  • inner core 12c includes protrusion P2. For this reason, it becomes easy to sandwich the core 12b between the inner core 12c and the outer material 12a and to sew each other.
  • middle core 12b may have higher bending rigidity than inner core 12c. Thereby, it is easy to secure the strength of the storage section 1 by the core 12b.
  • the configuration of the middle core 12b and the inner core 12c is mainly different from that of the above-described land cell 100 of the present embodiment.
  • the core 12b includes the main body portion P1 and the protruding portion P2.
  • the protruding portion P2 is configured to protrude beyond the inner core 12c from the main body portion P1 to a side opposite to the outer material 12a.
  • a bent portion is provided on the rear side of the core 12b. The bent portion of the core 12b is in contact with the inner surface of the back portion 11.
  • the inner core 12c is supported by the protrusion P2 of the inner core 12b.
  • the inner core 12c is protruded straight on the inner surface of the protrusion P2. That is, the inner core 12c does not include the protrusion P2.
  • the outer edge 11a of the back portion 11 is sandwiched between the bent portion P3 of the outer material 12a and the protrusion P2 of the center core 12b.
  • the bent portion P3 of the outer material 12a, the outer edge 11a of the back portion 11, and the core 12b are integrally sewn with the thread 6.
  • the outer material 12a, the main body portion P1 of the middle core 12b, and the inner core 12c are integrally sewn with the thread 7.
  • the core 12b includes the protrusion P2. For this reason, it is possible to prevent the center core 12b from coming off from the inner surface of the back portion 11 and entering between the back portion 11 and the outer material 12a. Thereby, the strength of the storage section 1 can be ensured.
  • the inner core 12c is supported by the protruding portion P2 of the middle core 12b. Therefore, the inner core 12c can prevent the main body P1 and the protruding portion P2 of the core 12b from being deformed so as to approach each other. Thereby, the strength of the storage section 1 can be ensured.
  • the land cell 100 of the second modification of the present embodiment is mainly different from the land cell 100 of the above-described embodiment in that a backing 30 is provided.
  • the school bag 100 includes the backing 30.
  • the lining 30 is arranged inside the inner core 12c.
  • the lining 30 covers the inner core 12c.
  • the lining 30 covers the yarn 6 and the yarn 7.
  • the lining 30 is not sewn by the thread 6 and the thread 7. Further, the lining 30 is arranged inside the back portion 11.
  • the lining 30 covers the inner surface of the back 11.
  • the school bag 100 of the first modification of the present embodiment further includes a lining disposed inside the inner core 12c. Therefore, it is possible to prevent the inner core 12c from being damaged due to the textbook or the like stored in the housing portion 1 coming into contact with the inner core 12c. Thereby, the strength of the storage section 1 can be ensured.

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  • Portable Outdoor Equipment (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

This school rucksack is provided with a container portion, a lid portion, and a pair of shouldering belts. The container portion includes a back portion (11) and a gusset portion (12) connected to an outer edge portion (11a) of the back portion (11). The gusset portion (12) includes an outer material (12a), a center core (12b) having a greater bending stiffness than the outer material (12a) and disposed on the inside of the outer material (12a), and an inner core (12c) having a greater bending stiffness than the outer material (12a) and disposed on the inside of the center core (12b). The center core (12b) or the inner core (12c) includes a body portion (P1) and a protruding portion (P2) protruding from the body portion (P1) toward the opposite side to the outer material (12a). The body portion (P1) and the protruding portion (P2) are supported on the back portion (11).

Description

ランドセルschool bag
　本発明は、ランドセルに関するものである。 The present invention relates to a school bag.
　従来、ランドセルには、いわゆる学習院型と呼ばれるものがある。この学習院型のランドセルでは、教科書等を収容する収容部のマチ部は、収容部の収容空間を取り囲む側壁部と、側壁部から外側に張り出した張出部とを有している。この張出部は、収容部の背部に接続されている。この学習院型のランドセルは、例えば実用新案登録第３０７８７４４号公報（特許文献１）に記載されている。 Conventionally, there are so-called Gakushuin school bags. In this Gakushuin school bag, the gusset part of the accommodation part for accommodating a textbook or the like has a side wall part surrounding the accommodation space of the accommodation part, and an overhang part protruding outward from the side wall part. The overhang is connected to the back of the housing. This school-in-school school bag is described in, for example, Japanese Utility Model Registration No. 3078744 (Patent Document 1).
実用新案登録第３０７８７４４号公報Japanese Utility Model Registration No. 3078744
　上記の学習院型のランドセルでは、張出部が側壁部から外側に張り出しているため、側壁部よりも背部の外形が大きくなる。したがって、側壁部に取り囲まれた収容空間が大きくなると背部の外形も大きくなるため、収容部が大きくなる。このため、収容部が大きくなることを抑えながら収容空間を大きくすることは困難である。また、張出部は収容部を補強する役割を果たしている。したがって、収容部が大きくなることを抑えるために張出部が設けられないと、収容部の強度を確保することは困難である。 学習 In the above-mentioned Gakushuin school bag, since the overhanging portion projects outward from the side wall portion, the outer shape of the back portion is larger than that of the side wall portion. Therefore, when the accommodation space surrounded by the side wall part becomes large, the outer shape of the back part also becomes large, so that the accommodation part becomes large. For this reason, it is difficult to enlarge the accommodation space while suppressing the accommodation portion from becoming large. In addition, the overhang portion plays a role of reinforcing the accommodation portion. Therefore, it is difficult to secure the strength of the housing portion unless the overhang portion is provided in order to suppress the housing portion from becoming large.
　本発明は上記課題に鑑みてなされたものであり、その目的は、収容部が大きくなることを抑えながら収容空間を大きくすることができるとともに収容部の強度を確保することができるランドセルを提供することである。 The present invention has been made in view of the above problems, and an object of the present invention is to provide a school bag which can increase the accommodation space while suppressing the enlargement of the accommodation part and can secure the strength of the accommodation part. That is.
　本発明のランドセルは、開口部が設けられた収容部と、開口部を開閉可能に収容部に接続された蓋部と、収容部に接続された一対の背負いベルトとを備えている。収容部は、一対の背負いベルトのそれぞれの一端が接続されかつ蓋部が接続された背部と、背部の外縁部に接続されたマチ部とを含んでいる。マチ部は、表地と、表地よりも曲げ剛性が高くかつ表地の内側に配置された中芯と、表地よりも曲げ剛性が高くかつ中芯の内側に配置された内芯とを含んでいる。中芯および内芯のいずれかは、本体部と、本体部から表地と反対側に突出する突出部とを含んでいる。本体部および突出部は、背部に支持されている。 ラ ン ド The school bag of the present invention includes a storage unit provided with an opening, a lid connected to the storage unit so that the opening can be opened and closed, and a pair of shoulder belts connected to the storage unit. The accommodating portion includes a back portion to which one end of each of the pair of backpacks is connected and a lid portion is connected, and a gusset portion connected to an outer edge of the back portion. The gusset part includes a dress material, a core having higher bending rigidity than the dress material and arranged inside the dress material, and an inner core having higher bending rigidity than the dress material and arranged inside the core material. Either the center core or the inner core includes a main body, and a protruding portion protruding from the main body to the side opposite to the outer material. The main body and the protrusion are supported by the back.
　本発明のランドセルによれば、中芯および内芯のいずれかは、本体部から表地と反対側に突出する突出部を含んでいる。このため、突出部は表地から外側に突出しない。したがって、マチ部よりも背部の外形が大きくならないため、背部の大きさを維持しつつ収容空間を大きくすることができる。よって、収容部が大きくなることを抑えながら収容空間を大きくすることができる。また、マチ部は、中芯と、内芯とを含んでいる。このため、中芯および内芯の両方によって収容部の強度を確保することができる。さらに、本体部および突出部は、背部に支持されている。このため、本体部および突出部によって収容部の強度を確保することができる。 According to the school bag of the present invention, either the center core or the inner core includes the protruding portion protruding from the main body to the side opposite to the outer material. For this reason, the protrusion does not protrude outward from the outer material. Therefore, since the outer shape of the back portion is not larger than the gusset portion, the accommodation space can be enlarged while maintaining the size of the back portion. Therefore, the accommodation space can be enlarged while suppressing an increase in the accommodation portion. In addition, the gusset part includes a core and an inner core. For this reason, the strength of the storage portion can be ensured by both the core and the core. Further, the main body and the protrusion are supported by the back. For this reason, the strength of the housing portion can be ensured by the main body and the protruding portion.
本発明の一実施の形態におけるランドセルの概略斜視図である。1 is a schematic perspective view of a school bag according to an embodiment of the present invention. 図１に示されるランドセルの背部およびマチ部の分解斜視図である。FIG. 2 is an exploded perspective view of a back portion and a gusset portion of the school bag shown in FIG. 1. 図１のＩＩＩ－ＩＩＩ線に沿う断面図である。FIG. 3 is a cross-sectional view along the line III-III in FIG. 1. 図１のＩＶ－ＩＶ線に沿う断面図である。FIG. 4 is a sectional view taken along the line IV-IV in FIG. 1. 図２に示されるマチ部の中芯および内芯の展開図である。FIG. 3 is a development view of a center and an inner core of the gusset shown in FIG. 2. 図２に示されるマチ部の表地の展開図である。FIG. 3 is a development view of a surface material of a gusset part shown in FIG. 2. 図２に示されるマチ部および補強部材の展開図である。FIG. 3 is a development view of a gusset part and a reinforcing member shown in FIG. 2. 図７に示される背部およびマチ部の配置を説明するための図である。It is a figure for demonstrating the arrangement | positioning of a back part and a gusset part shown in FIG. 比較例におけるランドセルの概略斜視図である。FIG. 4 is a schematic perspective view of a school cell in a comparative example. 図９のＸ－Ｘ線に沿う断面図である。FIG. 10 is a sectional view taken along line XX of FIG. 9. 図９のＸＩ－ＸＩ線に沿う断面図である。FIG. 10 is a sectional view taken along the line XI-XI in FIG. 9. 本発明の一実施の形態における変形例１のランドセルの図３に対応する位置での断面図である。FIG. 4 is a cross-sectional view of a land cell according to a first modification of the embodiment of the present invention at a position corresponding to FIG. 3. 本発明の一実施の形態における変形例１のランドセルの図４に対応する位置での断面図である。FIG. 5 is a cross-sectional view of a land cell according to a first modification of the embodiment of the present invention at a position corresponding to FIG. 4. 本発明の一実施の形態における変形例２のランドセルの図３に対応する位置での断面図である。FIG. 5 is a cross-sectional view of a school cell according to a second modification of the embodiment at a position corresponding to FIG. 3. 本発明の一実施の形態における変形例２のランドセルの図４に対応する位置での断面図である。FIG. 5 is a cross-sectional view of a land cell according to a second modification of the embodiment of the present invention at a position corresponding to FIG. 4.
　以下、本発明の一実施の形態について図に基づいて説明する。なお、以下の図においては、同一または相当する部分に同一の符号を付すものとし、重複する説明は繰り返さない。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the following drawings, the same or corresponding portions will be denoted by the same reference characters, without redundant description.
　最初に本発明の一実施の形態におけるランドセルの構成について説明する。
　図１および図２を参照して、本実施の形態におけるランドセル１００は、収容部１と、蓋部２と、一対の背負いベルト３と、連結部材４と、補強部材５とを主に有している。 First, a configuration of a school cell according to an embodiment of the present invention will be described.
Referring to FIG. 1 and FIG. 2, school bag 100 in the present embodiment mainly includes accommodation section 1, lid section 2, pair of backing belts 3, connecting member 4, and reinforcing member 5. ing.
　収容部１は、背部１１と、マチ部１２と、正面部１３とを有している。収容部１には開口部ＯＰが設けられている。収容部１は上端に開口部ＯＰを有している。収容部１は開口部ＯＰに連通する収容空間ＩＳを有している。収容空間ＩＳは、背部１１、マチ部１２および正面部１３のそれぞれの内周面によって取り囲まれた空間である。収容部１は開口部ＯＰを通して収容空間ＩＳに教科書等を収容可能に構成されている。 The accommodation section 1 has a back section 11, a gusset section 12, and a front section 13. The housing 1 is provided with an opening OP. The housing 1 has an opening OP at the upper end. The accommodation section 1 has an accommodation space IS that communicates with the opening OP. The accommodation space IS is a space surrounded by the inner peripheral surfaces of the back portion 11, the gusset portion 12, and the front portion 13, respectively. The accommodation section 1 is configured to be able to accommodate a textbook or the like in the accommodation space IS through the opening OP.
　背部１１には、一対の背負いベルト３のそれぞれの一端が接続されている。背部１１には、蓋部２が接続されている。背部１１には、連結部材４が取り付けられている。一対の背負いベルト３のそれぞれは連結部材４を介して背部１１に接続されている。背部１１およびマチ部１２には、補強部材５が取り付けられている。 一端 One end of each of the pair of backpack belts 3 is connected to the back portion 11. The lid 2 is connected to the back 11. The connecting member 4 is attached to the back portion 11. Each of the pair of shoulder belts 3 is connected to the back part 11 via the connecting member 4. The reinforcing member 5 is attached to the back portion 11 and the gusset portion 12.
　マチ部１２は、背部１１の外縁部１１ａに接続されている。マチ部１２は、背部１１の上端部の中央部を除く外縁部１１ａに接続されている。つまり、マチ部１２は、Ｕ字状に背部１１の外縁部１１ａに接続されている。 The gusset part 12 is connected to the outer edge part 11a of the back part 11. The gusset part 12 is connected to the outer edge part 11a except the center part of the upper end part of the back part 11. That is, the gusset part 12 is connected to the outer edge part 11a of the back part 11 in a U-shape.
　マチ部１２は、一対の側部１２１と、底部１２２とを有している。一対の側部１２１は、底部１２２を挟んで向かい合うように配置されている。一対の側部１２１の各々は、底部１２２の両端から立ち上がるように構成されている。底部１２２は、開口部ＯＰと向かい合うように配置されている。 The gusset part 12 has a pair of side parts 121 and a bottom part 122. The pair of side parts 121 are arranged so as to face each other with the bottom part 122 interposed therebetween. Each of the pair of side parts 121 is configured to rise from both ends of the bottom part 122. The bottom 122 is arranged so as to face the opening OP.
　蓋部２は、開口部ＯＰを開閉可能に収容部１に接続されている。具体的には、蓋部２は、収容部１の背部１１の上端に接続されており、背部１１の上端を基端にして開口部ＯＰを開閉可能に構成されている。蓋部２は、図１に示される閉じられた状態で、収容部１の開口部ＯＰおよび正面部１３を覆うことが可能に構成されている。また、蓋部２は開かれた状態で、収容部１の開口部ＯＰおよび正面部１３を露出させることが可能に構成されている。 (4) The lid 2 is connected to the housing 1 so that the opening OP can be opened and closed. Specifically, the lid 2 is connected to the upper end of the back 11 of the housing 1, and is configured to be able to open and close the opening OP with the upper end of the back 11 as a base end. The lid portion 2 is configured to be able to cover the opening OP and the front portion 13 of the housing portion 1 in the closed state shown in FIG. In addition, the cover 2 is configured to be able to expose the opening OP and the front part 13 of the housing part 1 in an opened state.
　一対の背負いベルト３は収容部１に接続されている。具体的には、一対の背負いベルト３のそれぞれの一端が連結部材４を介して背部１１の上端部に接続されている。なお、図１では、説明の便宜のため、一対の背負いベルト３は各々の一端周辺のみが図示されており、一端の周辺以外は図示されていない。一対の背負いベルト３のそれぞれの他端が図示しない接続部材を介してマチ部１２の底部１２２に接続されている。一対の背負いベルト３は、左右に１本ずつ設けられている。一対の背負いベルト３は、使用者がランドセル１００を背負ったときに使用者の両肩に装着されるように構成されている。 The pair of backing belts 3 are connected to the housing 1. Specifically, one end of each of the pair of shoulder belts 3 is connected to the upper end of the back part 11 via the connecting member 4. In FIG. 1, for convenience of description, only the vicinity of one end of each of the pair of backing belts 3 is illustrated, and other portions than the periphery of one end are not illustrated. The other end of each of the pair of backpacks 3 is connected to the bottom 122 of the gusset 12 via a connection member (not shown). The pair of shoulder belts 3 are provided one by one on the left and right. The pair of shoulder belts 3 is configured to be worn on both shoulders of the user when the user carries the school bag 100.
　補強部材５は、収容部１の下部において収容部１の背部１１側の角に配置されている。補強部材５は、背部１１の下端部に沿って一対の側部１２１にわたって延在している。補強部材５は、背部１１の下端部から一対の側部１２１の各々に沿って上方に向けて立ち上がるように延在している。補強部材５は、背部１１と一対の側部１２１の各々とにわたって配置されており、背部１１と底部１２２とにわたって配置されている。 The reinforcing member 5 is arranged at a lower portion of the housing 1 at a corner on the back 11 side of the housing 1. The reinforcing member 5 extends over the pair of side portions 121 along the lower end of the back portion 11. The reinforcing member 5 extends from the lower end of the back portion 11 so as to rise upward along each of the pair of side portions 121. The reinforcing member 5 is arranged over the back portion 11 and each of the pair of side portions 121, and is arranged over the back portion 11 and the bottom portion 122.
　続いて、背部１１およびマチ部１２の構成について詳しく説明する。
　図２および図３を参照して、マチ部１２は、表地１２ａと、中芯１２ｂと、内芯１２ｃとを含んでいる。表地１２ａと、中芯１２ｂと、内芯１２ｃとは互いに重ねられている。表地１２ａと、中芯１２ｂと、内芯１２ｃとは、外側から内側に向けてこの順に配置されている。 Subsequently, the configuration of the back portion 11 and the gusset portion 12 will be described in detail.
Referring to FIG. 2 and FIG. 3, gusset portion 12 includes outer material 12 a, middle core 12 b, and inner core 12 c. The outer material 12a, the inner core 12b, and the inner core 12c are overlapped with each other. The outer material 12a, the core 12b, and the inner core 12c are arranged in this order from the outside to the inside.
　表地１２ａは、マチ部１２の外面を構成している。表地１２ａの素材は、例えば、人工皮革または牛革である。中芯１２ｂは、表地１２ａよりも曲げ剛性が高い。中芯１２ｂは、表地１２ａと異なる素材により構成されている。中芯１２ｂの素材は、例えば、樹脂であり、具体的にはポリエチレンテレフタレート繊維およびポリエステル樹脂が主成分として混合された発泡樹脂であってもよい。中芯１２ｂは、表地１２ａの内側に配置されている。内芯１２ｃは、表地１２ａよりも曲げ剛性が高い。内芯１２ｃは、表地１２ａと異なる素材により構成されている。内芯１２ｃの素材は、例えば、樹脂であり、具体的にはポリエチレンテレフタレート繊維およびポリエステル樹脂が主成分として混合された発泡樹脂であってもよい。また、内芯１２ｃの素材は、具体的にはパルプおよびアクリル樹脂が主成分として混合された樹脂と、上記発泡樹脂とが積層されたものであってもよい。内芯１２ｃは、中芯１２ｂの内側に配置されている。 The outer material 12a forms the outer surface of the gusset portion 12. The material of the outer material 12a is, for example, artificial leather or cowhide. The center core 12b has higher bending rigidity than the outer material 12a. The core 12b is made of a material different from the outer material 12a. The material of the core 12b is, for example, a resin, and specifically, may be a foamed resin in which polyethylene terephthalate fiber and a polyester resin are mixed as main components. The core 12b is arranged inside the outer material 12a. The inner core 12c has higher bending rigidity than the outer material 12a. The inner core 12c is made of a different material from the outer material 12a. The material of the inner core 12c is, for example, a resin, and specifically, may be a foamed resin in which polyethylene terephthalate fiber and a polyester resin are mixed as main components. In addition, the material of the inner core 12c may be a material obtained by laminating a resin in which pulp and an acrylic resin are mixed as main components, and the foamed resin. The inner core 12c is disposed inside the inner core 12b.
　中芯１２ｂは、内芯１２ｃと同等の曲げ剛性を有していてもよい。中芯１２ｂは、内芯１２ｃと同じ素材であってもよく、内芯１２ｃと同じ厚さであってもよい。また、中芯１２ｂは、内芯１２ｃよりも曲げ剛性が高いことが好ましい。この場合、中芯１２ｂは、内芯１２ｃと異なる素材により構成されていてもよく、内芯１２ｃよりも大きな厚さであってもよい。 The core 12b may have the same bending rigidity as the core 12c. The core 12b may be made of the same material as the core 12c, and may have the same thickness as the core 12c. The core 12b preferably has a higher bending rigidity than the core 12c. In this case, the core 12b may be made of a material different from the material of the inner core 12c, and may have a larger thickness than the inner core 12c.
　中芯１２ｂおよび内芯１２ｃのいずれかは、本体部Ｐ１と、突出部Ｐ２とを含んでいる。本実施の形態では、内芯１２ｃは、本体部Ｐ１および突出部Ｐ２を含んでいる。突出部Ｐ２は、本体部Ｐ１から表地１２ａと反対側に突出するように構成されている。突出部Ｐ２は、本体部Ｐ１の背部１１側の端部に配置されている。つまり、内芯１２ｃの後辺部に内向きに折り曲げられた折曲部が設けられている。本体部Ｐ１および突出部Ｐ２は、背部１１に支持されている。つまり、内芯１２ｃの折曲部が背部１１の内面に当接している。また、本実施の形態では、中芯１２ｂは背部１１の内面にストレートに突き立てられている。 い ず れ Either the center core 12b or the inner core 12c includes the main body part P1 and the protruding part P2. In the present embodiment, the inner core 12c includes a main body part P1 and a protruding part P2. The protruding portion P2 is configured to protrude from the main body portion P1 to the side opposite to the outer material 12a. The protruding portion P2 is disposed at an end on the back portion 11 side of the main body portion P1. That is, a bent portion that is bent inward is provided on the rear side of the inner core 12c. The main body part P1 and the protruding part P2 are supported by the back part 11. That is, the bent portion of the inner core 12c is in contact with the inner surface of the back portion 11. In the present embodiment, the core 12b is protruded straight on the inner surface of the back portion 11.
　表地１２ａ、中芯１２ｂ、内芯１２ｃは、互いに重ねられた状態で、縫着されている。つまり、表地１２ａ、中芯１２ｂ、内芯１２ｃは、互いに重ねられた状態で、それぞれを糸が貫通するように縫われている。 The outer material 12a, the middle core 12b, and the inner core 12c are sewn in a state of being overlapped with each other. That is, the outer material 12a, the center core 12b, and the inner core 12c are sewn so that a thread passes through each of them in a state of being overlapped with each other.
　具体的には、表地１２ａはへり返しされた折曲部Ｐ３を有している。折曲部Ｐ３は背部１１の外縁部１１ａの外面に重ねられている。表地１２ａの折曲部Ｐ３と内芯１２ｃの突出部Ｐ２とにより背部１１の外縁部１１ａが挟み込まれている。表地１２ａの折曲部Ｐ３と内芯１２ｃの突出部Ｐ２とにより背部１１の外縁部１１ａが挟み込まれた状態で、表地１２ａの折曲部Ｐ３と、背部１１の外縁部１１ａと、内芯１２ｃの突出部Ｐ２とが糸６により一体的に縫われている。また、表地１２ａと、中芯１２ｂと、内芯１２ｃの本体部Ｐ１とが糸７により一体的に縫われている。 Specifically, the outer material 12a has the bent portion P3 turned upside down. The bent part P3 is overlapped on the outer surface of the outer edge part 11a of the back part 11. The outer edge 11a of the back 11 is sandwiched between the bent portion P3 of the outer material 12a and the protrusion P2 of the inner core 12c. With the outer edge 11a of the back portion 11 sandwiched between the bent portion P3 of the outer material 12a and the protrusion P2 of the inner core 12c, the bent portion P3 of the outer material 12a, the outer edge 11a of the back portion 11, and the inner core 12c. Are integrally sewn with the thread 6. The outer material 12a, the core 12b, and the body P1 of the inner core 12c are integrally sewn with the thread 7.
　図４を参照して、補強部材５は、収容部１の背部１１側の角において、表地１２ａを外側から覆うように配置されている。補強部材５と背部１１とにより表地１２ａの折曲部Ｐ３が挟み込まれている。補強部材５と内芯１２ｃの突出部Ｐ２とにより表地１２ａの折曲部Ｐ３と背部１１の外縁部１１ａとが挟み込まれた状態で、補強部材５と、表地１２ａの折曲部Ｐ３と、背部１１の外縁部１１ａと、内芯１２ｃの突出部Ｐ２とが一体的に糸６により一体的に縫われている。また、補強部材５と、表地１２ａと、中芯１２ｂと、内芯１２ｃの本体部Ｐ１とが糸７により一体的に縫われている。 Referring to FIG. 4, reinforcing member 5 is arranged at the corner on the back 11 side of accommodation portion 1 so as to cover outer material 12a from the outside. The bent portion P3 of the outer material 12a is sandwiched between the reinforcing member 5 and the back portion 11. In a state where the bent portion P3 of the outer material 12a and the outer edge portion 11a of the back portion 11 are sandwiched between the reinforcing member 5 and the protruding portion P2 of the inner core 12c, the reinforcing member 5, the bent portion P3 of the outer material 12a, and the back portion are sandwiched. The outer edge 11a of the eleventh portion and the protrusion P2 of the inner core 12c are integrally sewn with the thread 6. Further, the reinforcing member 5, the outer material 12a, the center core 12b, and the main body portion P1 of the inner core 12c are integrally sewn with the thread 7.
　図５～図８を参照して、背部１１およびマチ部１２の配置についてさらに詳しく説明する。図５～図８は、説明の便宜のため、マチ部１２が展開された状態を図示している。図５を参照して、内芯１２ｃの本体部Ｐ１と突出部Ｐ２との境界線に沿って、中芯１２ｂが内芯１２ｃに重ねられている。中芯１２ｂの外形は、内芯１２ｃの外形よりも小さい。内芯１２ｃの短手方向の一方端に長手方向に延在するように突出部Ｐ２が配置されている。内芯１２ｃは、切欠き部２０を有している。切欠き部２０は、突出部Ｐ２の長手方向に延在する縁に設けられている。切欠き部２０は、突出部Ｐ２の長手方向の中央部に２つ設けられている。切欠き部２０は、鋸歯状に構成されている。切欠き部２０により内芯１２ｃの突出部Ｐ２を折り曲げることが容易となる。 配置 The arrangement of the back portion 11 and the gusset portion 12 will be described in more detail with reference to FIGS. 5 to 8 show a state where the gusset part 12 is expanded for convenience of explanation. Referring to FIG. 5, a core 12b is overlaid on the inner core 12c along a boundary between the main body part P1 and the protruding part P2 of the inner core 12c. The outer shape of the core 12b is smaller than the outer shape of the inner core 12c. A protruding portion P2 is arranged at one end in the short direction of the inner core 12c so as to extend in the longitudinal direction. The inner core 12c has a notch 20. The notch 20 is provided on an edge of the protrusion P2 extending in the longitudinal direction. Two notches 20 are provided at the center of the protrusion P2 in the longitudinal direction. The notch 20 has a saw-tooth shape. The notch 20 facilitates bending the protruding portion P2 of the inner core 12c.
　図６を参照して、表地１２ａの短手方向の一方端に長手方向に延在するように折曲部Ｐ３が配置されている。図７を参照して、表地１２ａ、中芯１２ｂ、内芯１２ｃが互いに重ねられている。さらに、表地１２ａに中芯１２ｂと反対側から補強部材５が重ねられている。補強部材５は、表地１２ａの長手方向の中央部に配置され、切欠き部２０に重なるように配置されている。図８を参照して、背部１１の外縁部１１ａに表地１２ａの折曲部Ｐ３が位置するように背部１１がマチ部１２に位置決めされている。背部１１の下端の角部が切欠き部２０に重なるように背部１１がマチ部１２に位置決めされている。 Referring to FIG. 6, a bent portion P3 is arranged at one end in the lateral direction of outer material 12a so as to extend in the longitudinal direction. Referring to FIG. 7, outer material 12a, middle core 12b, and inner core 12c are overlapped with each other. Further, the reinforcing member 5 is superimposed on the outer material 12a from the side opposite to the center 12b. The reinforcing member 5 is arranged at a central portion in the longitudinal direction of the outer material 12 a and is arranged so as to overlap the notch 20. Referring to FIG. 8, back 11 is positioned at gusset 12 such that bent portion P3 of outer material 12a is located at outer edge 11a of back 11. The back portion 11 is positioned on the gusset portion 12 such that a corner at the lower end of the back portion 11 overlaps the notch portion 20.
　次に、本実施の形態におけるランドセル１００の作用効果について比較例と対比して説明する。 Next, the operation and effect of the school bag 100 in the present embodiment will be described in comparison with a comparative example.
　図９を参照して、比較例におけるランドセル１００は、いわゆる学習院型のランドセル１００である。比較例におけるランドセル１００では、マチ部１２は、収容部１の収容空間ＩＳを取り囲む側壁部１２３と、側壁部１２３から外側に突出する張出部１２４とを有している。張出部１２４は、収容部１の背部１１の外縁部１１ａに接続されている。張出部１２４および外縁部１１ａは角生地８により外側から覆われている。 ラ ン ド Referring to FIG. 9, school bag 100 in the comparative example is a so-called Gakushuin school bag. In the school bag 100 of the comparative example, the gusset part 12 has a side wall part 123 surrounding the housing space IS of the housing part 1 and a projecting part 124 protruding outward from the side wall part 123. The overhang 124 is connected to the outer edge 11 a of the back 11 of the housing 1. The overhang portion 124 and the outer edge portion 11a are covered with the square fabric 8 from the outside.
　図１０および図１１を参照して、張出部１２４は、第１張出部材１２４ａと、第２張出部材１２４ｂとを含んでいる。表地１２ａは第１張出部材１２４ａを有している。第１張出部材１２４ａは表地１２ａの背部１１側の端部に配置されている。中芯１２ｂは第２張出部材１２４ｂを有している。第２張出部材１２４ｂは中芯１２ｂの背部１１側の端部に配置されている。第１張出部材１２４ａおよび第２張出部材１２４ｂは内芯１２ｃと反対側に張り出すように構成されている。 お よ び Referring to FIGS. 10 and 11, overhang portion 124 includes a first overhang member 124a and a second overhang member 124b. The outer material 12a has a first overhanging member 124a. The first overhanging member 124a is arranged at an end on the back 11 side of the outer material 12a. The core 12b has a second overhang member 124b. The second overhanging member 124b is arranged at the end of the center core 12b on the back 11 side. The first overhanging member 124a and the second overhanging member 124b are configured to overhang on the side opposite to the inner core 12c.
　図９～図１１を参照して、比較例のランドセル１００では、張出部１２４が側壁部１２３から外側に張り出しているため、側壁部１２３よりも背部１１の外形が大きくなる。したがって、側壁部１２３に取り囲まれた収容空間ＩＳが大きくなると背部１１の外形も大きくなるため、収容部１が大きくなる。このため、収容部１が大きくなることを抑えながら収容空間ＩＳを大きくすることは困難である。また、張出部１２４は収容部１を補強する役割を果たしている。したがって、収容部１が大きくなることを抑えるために張出部１２４が設けられないと、収容部１の強度を確保することは困難である。 With reference to FIGS. 9 to 11, in the school bag 100 of the comparative example, since the overhang portion 124 projects outward from the side wall portion 123, the outer shape of the back portion 11 is larger than that of the side wall portion 123. Therefore, when the accommodation space IS surrounded by the side wall part 123 becomes large, the outer shape of the back part 11 also becomes large, so that the accommodation part 1 becomes large. For this reason, it is difficult to enlarge the accommodation space IS while suppressing the accommodation portion 1 from becoming large. Further, the overhang portion 124 plays a role of reinforcing the housing portion 1. Therefore, it is difficult to secure the strength of the accommodation unit 1 unless the overhanging portion 124 is provided to suppress the accommodation unit 1 from becoming large.
　これに対して、本実施の形態におけるランドセル１００によれば、図１および図３に示されるように、中芯１２ｂおよび内芯１２ｃのいずれかは、本体部Ｐ１から表地１２ａと反対側に突出する突出部Ｐ２を含んでいる。このため、突出部Ｐ２は表地１２ａから外側に突出しない。したがって、マチ部１２よりも背部１１の外形が大きくならないため、背部１１の大きさを維持しつつ収容空間ＩＳを大きくすることができる。よって、収容部１が大きくなることを抑えながら収容空間ＩＳを大きくすることができる。また、マチ部１２は、中芯１２ｂと、内芯１２ｃとを含んでいる。このため、中芯１２ｂおよび内芯１２ｃの両方によって収容部１の強度を確保することができる。さらに、本体部Ｐ１および突出部Ｐ２は、背部１１に支持されている。このため、本体部Ｐ１および突出部Ｐ２によって収容部１の強度を確保することができる。 On the other hand, according to the school bag 100 in the present embodiment, as shown in FIGS. 1 and 3, one of the center core 12b and the inner core 12c protrudes from the main body P1 to the opposite side to the outer material 12a. Including a projecting portion P2. Therefore, the protruding portion P2 does not protrude outward from the outer material 12a. Therefore, the outer shape of the back portion 11 is not larger than that of the gusset portion 12, so that the accommodation space IS can be enlarged while maintaining the size of the back portion 11. Therefore, the accommodation space IS can be enlarged while suppressing the accommodation portion 1 from becoming large. The gusset part 12 includes a core 12b and an inner core 12c. Therefore, the strength of the housing portion 1 can be secured by both the core 12b and the core 12c. Further, the main body portion P1 and the protruding portion P2 are supported by the back portion 11. For this reason, the strength of the housing portion 1 can be ensured by the main body portion P1 and the protruding portion P2.
　また、マチ部１２は、中芯１２ｂと、内芯１２ｃとを含んでいる。このため、中芯１２ｂと、内芯１２ｃとは別々に強度を調整することができる。したがって、収容部１の強度の調整が容易となる。 マ The gusset part 12 includes a core 12b and an inner core 12c. For this reason, the strength can be adjusted separately for the core 12b and the core 12c. Therefore, the adjustment of the strength of the storage section 1 becomes easy.
　また、本実施の形態におけるランドセル１００によれば、表地１２ａの折曲部Ｐ３と突出部Ｐ２とによって背部１１が挟み込まれているため、比較例の角生地８は不要となる。表地１２ａとは別部材である角生地８は不要となるため、部材の数を少なくすることができる。したがって、生産性を向上させることができる。 According to the school bag 100 in the present embodiment, since the back 11 is sandwiched between the bent portion P3 and the protruding portion P2 of the outer material 12a, the corner cloth 8 of the comparative example is unnecessary. Since the corner cloth 8, which is a separate member from the outer material 12a, becomes unnecessary, the number of members can be reduced. Therefore, productivity can be improved.
　また、図１および図４を参照して、本実施の形態におけるランドセル１００は、補強部材５を備えている。したがって、補強部材５により収容部１の強度をさらに確保することができる。 ラ ン ド Also, with reference to FIGS. 1 and 4, school bag 100 in the present embodiment includes reinforcing member 5. Therefore, the strength of the housing portion 1 can be further secured by the reinforcing member 5.
　図１および図３を参照して、本実施の形態におけるランドセル１００によれば、内芯１２ｃは突出部Ｐ２を含んでいる。このため、内芯１２ｃと表地１２ａとにより中芯１２ｂを挟み込んで互いを縫い合わせることが容易となる。 お よ び Referring to FIGS. 1 and 3, according to school bag 100 in the present embodiment, inner core 12c includes protrusion P2. For this reason, it becomes easy to sandwich the core 12b between the inner core 12c and the outer material 12a and to sew each other.
　本実施の形態におけるランドセル１００によれば、中芯１２ｂは内芯１２ｃよりも曲げ剛性が高くてもよい。これにより、中芯１２ｂにより収容部１の強度を確保することが容易となる。 According to school bag 100 in the present embodiment, middle core 12b may have higher bending rigidity than inner core 12c. Thereby, it is easy to secure the strength of the storage section 1 by the core 12b.
　次に、本実施の形態における変形例１および変形例２のランドセル１００について説明する。 Next, the school cells 100 according to the first and second modifications of the present embodiment will be described.
　図１２および図１３を参照して、本実施の形態における変形例１のランドセル１００について説明する。本実施の形態における変形例１のランドセル１００では、上記の本実施の形態におけるランドセル１００に比べて中芯１２ｂおよび内芯１２ｃの構成が主に異なっている。 With reference to FIG. 12 and FIG. 13, a description will be given of a land cell 100 according to a first modification of the present embodiment. In the land cell 100 of the first modification of the present embodiment, the configuration of the middle core 12b and the inner core 12c is mainly different from that of the above-described land cell 100 of the present embodiment.
　本実施の形態における変形例１のランドセル１００では、中芯１２ｂは、本体部Ｐ１および突出部Ｐ２を含んでいる。突出部Ｐ２は、本体部Ｐ１から表地１２ａと反対側に内芯１２ｃを越えて突出するように構成されている。中芯１２ｂの後辺部に折曲部が設けられている。中芯１２ｂの折曲部が背部１１の内面に当接している。内芯１２ｃは中芯１２ｂの突出部Ｐ２に支持されている。内芯１２ｃは、突出部Ｐ２の内面にストレートに突き立てられている。つまり、内芯１２ｃは、突出部Ｐ２を含んでいない。 ラ ン ド In the land cell 100 of the first modification of the present embodiment, the core 12b includes the main body portion P1 and the protruding portion P2. The protruding portion P2 is configured to protrude beyond the inner core 12c from the main body portion P1 to a side opposite to the outer material 12a. A bent portion is provided on the rear side of the core 12b. The bent portion of the core 12b is in contact with the inner surface of the back portion 11. The inner core 12c is supported by the protrusion P2 of the inner core 12b. The inner core 12c is protruded straight on the inner surface of the protrusion P2. That is, the inner core 12c does not include the protrusion P2.
　図１２を参照して、表地１２ａの折曲部Ｐ３と中芯１２ｂの突出部Ｐ２とにより背部１１の外縁部１１ａが挟み込まれている。表地１２ａの折曲部Ｐ３と中芯１２ｂの突出部Ｐ２とにより背部１１の外縁部１１ａが挟み込まれた状態で、表地１２ａの折曲部Ｐ３と、背部１１の外縁部１１ａと、中芯１２ｂの突出部Ｐ２とが糸６により一体的に縫われている。また、表地１２ａと、中芯１２ｂの本体部Ｐ１と、内芯１２ｃとが糸７により一体的に縫われている。 を Referring to FIG. 12, the outer edge 11a of the back portion 11 is sandwiched between the bent portion P3 of the outer material 12a and the protrusion P2 of the center core 12b. With the outer edge portion 11a of the back portion 11 sandwiched between the bent portion P3 of the outer material 12a and the protruding portion P2 of the core 12b, the bent portion P3 of the outer material 12a, the outer edge 11a of the back portion 11, and the core 12b. Are integrally sewn with the thread 6. Further, the outer material 12a, the main body portion P1 of the middle core 12b, and the inner core 12c are integrally sewn with the thread 7.
　図１３を参照して、補強部材５と中芯１２ｂの突出部Ｐ２とにより表地１２ａの折曲部Ｐ３と背部１１の外縁部１１ａとが挟み込まれた状態で、補強部材５と、表地１２ａの折曲部Ｐ３と、背部１１の外縁部１１ａと、内芯１２ｃの突出部Ｐ２とが一体的に糸６により一体的に縫われている。また、補強部材５と、表地１２ａと、中芯１２ｂの本体部Ｐ１と、内芯１２ｃとが糸７により一体的に縫われている。 Referring to FIG. 13, in a state where the bent portion P3 of the outer material 12a and the outer edge portion 11a of the back portion 11 are sandwiched between the reinforcing member 5 and the protruding portion P2 of the core 12b, the reinforcing member 5 and the outer material 12a are sandwiched. The bent part P3, the outer edge part 11a of the back part 11, and the protruding part P2 of the inner core 12c are integrally sewn with the thread 6. The reinforcing member 5, the outer material 12a, the main body P1 of the core 12b, and the inner core 12c are integrally sewn with the thread 7.
　本実施の形態における変形例１のランドセル１００によれば、中芯１２ｂは突出部Ｐ２を含んでいる。このため、中芯１２ｂが背部１１の内面から外側に外れて背部１１と表地１２ａとの間に入り込むことを抑制することができる。これにより、収容部１の強度を確保することができる。また、内芯１２ｃは中芯１２ｂの突出部Ｐ２に支持されている。このため、中芯１２ｂの本体部Ｐ１と突出部Ｐ２とが互いに近づくように変形することを内芯１２ｃにより抑制することができる。これにより、収容部１の強度を確保することができる。 に よ According to the land cell 100 of Modification 1 of the present embodiment, the core 12b includes the protrusion P2. For this reason, it is possible to prevent the center core 12b from coming off from the inner surface of the back portion 11 and entering between the back portion 11 and the outer material 12a. Thereby, the strength of the storage section 1 can be ensured. The inner core 12c is supported by the protruding portion P2 of the middle core 12b. Therefore, the inner core 12c can prevent the main body P1 and the protruding portion P2 of the core 12b from being deformed so as to approach each other. Thereby, the strength of the storage section 1 can be ensured.
　図１４および図１５を参照して、本実施の形態における変形例２のランドセル１００について説明する。本実施の形態における変形例２のランドセル１００では、上記の本実施の形態におけるランドセル１００に比べて裏地３０を備えている点で主に異なっている。 With reference to FIGS. 14 and 15, a description will be given of a land cell 100 of Modification 2 of the present embodiment. The land cell 100 of the second modification of the present embodiment is mainly different from the land cell 100 of the above-described embodiment in that a backing 30 is provided.
　本実施の形態における変形例２のランドセル１００は、裏地３０を備えている。裏地３０は内芯１２ｃの内側に配置されている。裏地３０は内芯１２ｃを被覆している。裏地３０は、糸６および糸７を覆っている。裏地３０は、糸６および糸７により縫われていない。また、裏地３０は背部１１の内側に配置されている。裏地３０は、背部１１の内面を被覆している。 ラ ン ド The school bag 100 according to the second modification of the present embodiment includes the backing 30. The lining 30 is arranged inside the inner core 12c. The lining 30 covers the inner core 12c. The lining 30 covers the yarn 6 and the yarn 7. The lining 30 is not sewn by the thread 6 and the thread 7. Further, the lining 30 is arranged inside the back portion 11. The lining 30 covers the inner surface of the back 11.
　本実施の形態における変形例１のランドセル１００は、内芯１２ｃの内側に配置された裏地をさらに備えている。このため、内芯１２ｃに収容部１に収容された教科書等が接触することにより内芯１２ｃが破損することを抑制することができる。これにより、収容部１の強度を確保することができる。 ラ ン ド The school bag 100 of the first modification of the present embodiment further includes a lining disposed inside the inner core 12c. Therefore, it is possible to prevent the inner core 12c from being damaged due to the textbook or the like stored in the housing portion 1 coming into contact with the inner core 12c. Thereby, the strength of the storage section 1 can be ensured.
　今回開示された実施の形態はすべての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は上記した説明ではなくて請求の範囲によって示され、請求の範囲と均等の意味および範囲内でのすべての変更が含まれることを意図される。 The embodiments disclosed this time are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.
　１　収容部、２　蓋部、３　ベルト、４　連結部材、５　補強部材、６，７　糸、１１　背部、１１ａ　外縁部、１２　マチ部、１２ａ　表地、１２ｂ　中芯、１２ｃ　内芯、１３　正面部、３０　裏地、１００　ランドセル、１２１　側部、１２２　底部、１２３　側壁部、１２４　張出部、ＩＳ　収容空間、ＯＰ　開口部、Ｐ１　本体部、Ｐ２　突出部、Ｐ３　折曲部。 1 accommodation portion, 2 lid portion, 3 belt, 4 connection member, 5 reinforcement member, 6,7 thread, 11 back, 11a outer edge, 12 gusset, 12a outer material, 12b core, 12c inner core, 13 front surface, 30 lining, 100 school bag, 121 side, 122 bottom, 123 side wall, 124 overhang, IS accommodation space, OP opening, P1 main body, P2 projection, P3 bending.

Claims (5)

  1. 　開口部が設けられた収容部と、
    　前記開口部を開閉可能に前記収容部に接続された蓋部と、
    　前記収容部に接続された一対の背負いベルトとを備え、
    　前記収容部は、一対の前記背負いベルトのそれぞれの一端が接続されかつ前記蓋部が接続された背部と、前記背部の外縁部に接続されたマチ部とを含み、
    　前記マチ部は、表地と、前記表地よりも曲げ剛性が高くかつ前記表地の内側に配置された中芯と、前記表地よりも曲げ剛性が高くかつ前記中芯の内側に配置された内芯とを含み、
    　前記中芯および前記内芯のいずれかは、本体部と、前記本体部から前記表地と反対側に突出する突出部とを含み、
    　前記本体部および前記突出部は、前記背部に支持されている、ランドセル。     A housing section provided with an opening,
    A lid connected to the housing so that the opening can be opened and closed,
    A pair of backing belts connected to the housing portion,
    The housing portion includes a back portion to which one end of each of the pair of backpacks is connected and the lid portion is connected, and a gusset portion connected to an outer edge of the back portion,
    The gusset portion, the outer material, the bending rigidity is higher than the outer material and a core arranged inside the outer material, and the inner rigidity is higher bending rigidity than the outer material and the inner core arranged inside the inner material. Including
    Either the center core or the inner core includes a main body, and a protruding portion protruding from the main body to the opposite side to the dress material,
    The school bag, wherein the main body and the protrusion are supported by the back.
  2. 　前記内芯は前記突出部を含む、請求項１に記載のランドセル。 The school bag according to claim 1, wherein the inner core includes the protrusion.
  3. 　前記中芯は前記突出部を含み、
    　前記内芯は前記突出部に支持されている、請求項１に記載のランドセル。     The core includes the protrusion,
    The school bag according to claim 1, wherein the inner core is supported by the protrusion.
  4. 　前記中芯は前記内芯よりも曲げ剛性が高い、請求項１～３のいずれか１項に記載のランドセル。 (4) The school bag according to any one of (1) to (3), wherein the center core has a higher bending rigidity than the inner core.
  5. 　前記内芯の内側に配置された裏地をさらに備えた、請求項１～４のいずれか１項に記載のランドセル。 (5) The school bag according to any one of (1) to (4), further comprising a lining disposed inside the inner core.
PCT/JP2019/024269 2018-06-20 2019-06-19 School rucksack WO2019244925A1 (en)

Priority Applications (2)

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RU2021100947A RU2754660C1 (en) 2018-06-20 2019-06-19 Kit
CN201980041551.3A CN112312796B (en) 2018-06-20 2019-06-19 Student backpack

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JP2018117082A JP6683764B2 (en) 2018-06-20 2018-06-20 school bag
JP2018-117082 2018-06-20

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WO2019244925A1 true WO2019244925A1 (en) 2019-12-26

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Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS57175627U (en) * 1981-04-28 1982-11-06
JPH05337005A (en) * 1992-06-11 1993-12-21 Kyowa:Kk Manufacture of knapsack
JP2003310324A (en) * 2002-04-24 2003-11-05 Matsuzaki:Kk School bag
JP2014183859A (en) * 2013-03-21 2014-10-02 Seiban:Kk Knapsack

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JPH0824025A (en) * 1994-07-11 1996-01-30 Sankyo Sogyo:Kk Knapsack
JP2000023732A (en) * 1998-07-14 2000-01-25 Gotoujiyuu:Kk Knapsack
JP3078744U (en) * 2000-12-15 2001-07-19 昭一 岩瀬 school bag
JP4384619B2 (en) * 2004-06-25 2009-12-16 株式会社協和 school bag
EA016344B1 (en) * 2007-12-05 2012-04-30 Общество с ограниченной ответственностью Проектно-производственный и информационный центр "ОМНИМЕД" Medical bag (variants)
JP5337005B2 (en) * 2009-11-20 2013-11-06 積水化学工業株式会社 Method for producing colored thermoplastic polyester resin sheet

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS57175627U (en) * 1981-04-28 1982-11-06
JPH05337005A (en) * 1992-06-11 1993-12-21 Kyowa:Kk Manufacture of knapsack
JP2003310324A (en) * 2002-04-24 2003-11-05 Matsuzaki:Kk School bag
JP2014183859A (en) * 2013-03-21 2014-10-02 Seiban:Kk Knapsack

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CN112312796B (en) 2022-08-23
RU2754660C1 (en) 2021-09-06
CN112312796A (en) 2021-02-02
JP6683764B2 (en) 2020-04-22

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