JP2003310324A - School bag - Google Patents
School bagInfo
- Publication number
- JP2003310324A JP2003310324A JP2002122607A JP2002122607A JP2003310324A JP 2003310324 A JP2003310324 A JP 2003310324A JP 2002122607 A JP2002122607 A JP 2002122607A JP 2002122607 A JP2002122607 A JP 2002122607A JP 2003310324 A JP2003310324 A JP 2003310324A
- Authority
- JP
- Japan
- Prior art keywords
- gusset
- back plate
- school bag
- bent portion
- plate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はランドセルに関す
る。TECHNICAL FIELD The present invention relates to a school bag.
【０００２】[0002]
【従来の技術】従来の一般的なランドセルは、図９に示
すように、マチ１の後辺部に外側方向への折曲部２を設
けて、その折曲部２を背板３の側辺部の裏面側に重ね合
わせ、さらに、それらの外側にヘリ巻き４を被せて一体
的に縫着した構造となっている。図中、符号５が縫着の
糸目を示している。したがって、背板３の側縁部６より
もマチ１が内側方向へ凹んだ形状となって、ランドセル
本体のノート等収納空間７の横幅が背板３の横幅よりも
小さくなっている。また、図は省略するが、ランドセル
本体の底もマチ１と一連になっていて、背板３に対する
接合構造がマチ１と同一になっているので、背板３の下
縁部よりも底が上側へ凹んだ形状となっていて、ランド
セル本体のノート等収納空間７の深さが背板３の縦方向
の長さより小さくなっている。2. Description of the Related Art In a conventional general school bag, as shown in FIG. 9, a fold portion 2 is provided on the rear side of a gusset 1 so as to extend outward, and the fold portion 2 is provided on the back plate 3 side. It has a structure in which it is superposed on the back surface side of the side portion, and further, a helix winding 4 is covered on the outer side thereof and integrally sewn. In the figure, reference numeral 5 indicates a stitch thread. Therefore, the gusset 1 is recessed inward from the side edge portion 6 of the back plate 3, and the lateral width of the storage space 7 for notes and the like of the school bag body is smaller than the lateral width of the back plate 3. Although not shown, the bottom of the backpack body is also in series with the gusset 1 and has the same joining structure to the back plate 3 as the gusset 1. Therefore, the bottom of the back plate 3 is lower than that of the gusset 1. It has a shape that is recessed upward, and the depth of the storage space 7 for notes and the like in the school bag body is smaller than the length of the back plate 3 in the vertical direction.
【０００３】ところで、小学生はＡ４サイズ等の大型の
教科書やノートを使用することが多くなっているが、上
記のような従来のランドセルは、ノート等収納空間７の
幅や深さが小さいので、教科書やノート等を収容するの
が困難であるという不満がある。そして、この不満を解
消するために、背板３の横幅や縦方向の長さを増大する
と、材料コストがアップするという弊害がある。By the way, elementary school students often use large textbooks such as A4 size books and notebooks. However, in the conventional school bag as described above, the width and depth of the storage space 7 for notebooks are small. There is a complaint that it is difficult to accommodate textbooks and notebooks. If the width and the length of the back plate 3 in the vertical direction are increased in order to eliminate this dissatisfaction, the material cost will increase.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、背板の横幅
を増大させずに、ノート等収納空間の横幅を増大するこ
とができて、Ａ４サイズ等の大型の教科書やノート等を
楽に収容することができるランドセルの提供を課題とす
る。SUMMARY OF THE INVENTION The present invention can increase the width of the storage space for notes and the like without increasing the width of the backboard, and can easily accommodate large textbooks such as A4 size paper and notes. The challenge is to provide a school bag that can be used.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に、本発明のランドセルは、マチ１０の後辺部に内側方
向への折曲部１１を設けて、その折曲部１１を背板８の
裏面側に重ね合わせて接合し、そのマチ１０の表面と背
板８の側縁部１２とを面一にしたことを特徴とする、と
いう構成にしたものである。In order to solve the above problems, the school bag of the present invention is provided with an inwardly bent portion 11 at the rear side of the gusset 10 and the bent portion 11 is used as a back plate. The back surface of the gusset 8 is superposed and joined, and the front surface of the gusset 10 and the side edge portion 12 of the back plate 8 are flush with each other.
【０００６】また、上記課題を解決するために、本発明
のランドセルは、マチ１０の後辺部に内側方向への折曲
部１１を設けて、その折曲部１１を背板８の裏面側に重
ね合わせるとともに、背板８の側縁部１２をヘリ巻き１
３で被覆して、背板８の側辺部とヘリ巻き１３とマチ１
０の折曲部１１とを接合し、そのヘリ巻き１３の表面と
マチ１０の表面とを面一にしたことを特徴とする構成に
することも可能である。In order to solve the above problems, the school bag of the present invention is provided with an inwardly bent portion 11 at the rear side of the gusset 10 and the bent portion 11 is provided on the rear surface side of the back plate 8. And the side edge 12 of the back plate 8 with a helicopter winding 1
3, and the side edge of the back plate 8, the helix 13 and the gusset 1
It is also possible to adopt a configuration in which the bent portion 11 of 0 is joined and the surface of the helix 13 and the surface of the gusset 10 are flush with each other.
【０００７】また、上記課題を解決するために、本発明
のランドセルは、マチ１０の後辺部に内側方向への折曲
部１１を設けるとともに、背板８の側辺部に裏面側へ折
り返すヘリ返し１４を設けて、マチ１０の折曲部１１を
背板８のヘリ返し１４に重ね合わせて接合し、その背板
８のヘリ返し１４の折返面１５とマチ１０の表面とを面
一にしたことを特徴とする構成にすることも可能であ
る。In order to solve the above-mentioned problems, the school bag of the present invention is provided with an inwardly bent portion 11 at the rear side of the gusset 10 and is folded back to the back side at the side of the back plate 8. The heli bar 14 is provided, and the bent portion 11 of the gusset 10 is overlapped and joined to the helicopter bar 14 of the back plate 8 so that the folded surface 15 of the heli bar 14 of the back plate 8 and the surface of the gusset 10 are flush with each other. It is also possible to adopt a configuration characterized in that
【０００８】また、本発明のランドセルは、背板８の裏
面側とマチ１０の折曲部１１の裏面側を裏地１６で被覆
することが可能である。In the school bag of the present invention, it is possible to cover the back side of the back plate 8 and the back side of the bent portion 11 of the gusset 10 with the lining 16.
【０００９】また、本発明のランドセルは、背板８の側
辺部とマチ１０の後辺部との角部接合個所の表面側を角
革１７で被覆することも可能である。Further, in the school bag of the present invention, it is also possible to cover the surface side of the corner joining portion between the side portion of the back plate 8 and the rear portion of the gusset 10 with the horn leather 17.
【００１０】[0010]
【発明の実施の形態】以下、図を用いて本発明の実施の
形態を説明する。まず、図１及び図２に示した第１実施
例は、マチ１０の後辺部に内側方向への折曲部１１を設
けて、その折曲部１１を背板８の裏面側に重ね合わせて
接合している。そして、マチ１０の表面と背板８の側縁
部１２とを面一にしている。すなわち、マチ１０の表面
と背板８の側縁部１２の位置を揃えて、その両者を同一
平面上に位置させている。なお、接合手段は自由である
が、例えば図示したように、縫着により行なうことがで
き、図中、符号１８がその縫着による糸目を示してい
る。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. First, in the first embodiment shown in FIG. 1 and FIG. 2, an inwardly bent portion 11 is provided on the rear side portion of the gusset 10 and the folded portion 11 is superposed on the back surface side of the back plate 8. Are joined together. The surface of the gusset 10 and the side edge portion 12 of the back plate 8 are flush with each other. That is, the surface of the gusset 10 and the side edge portion 12 of the back plate 8 are aligned, and both of them are located on the same plane. Although the joining means is free, for example, as shown in the drawing, the joining can be performed by sewing, and in the figure, reference numeral 18 indicates a thread line due to the sewing.
【００１１】マチ１０と背板８をこのように接合するこ
とによって、マチ１０は背板８の側縁部１２より内側へ
凹まないので、ノート等収納空間１９の横幅を上記従来
例よりも少し拡大することができる。しかも、背板８の
横幅を増大する必要がない。By joining the gusset 10 and the back plate 8 in this way, the gusset 10 is not recessed inwardly from the side edge portion 12 of the back plate 8, so that the width of the storage space 19 for notes and the like is slightly smaller than that of the conventional example. Can be expanded. Moreover, it is not necessary to increase the width of the back plate 8.
【００１２】なお、背板８の材料及び構造は自由であ
る。例えば、表地を皮革製とし、裏地を布製として、そ
の間にウレタン等のクッション材を挟んだ構造にするこ
とが可能である。また、マチ１０の材料及び構造も自由
である。例えば、表地を皮革製とし、裏地を布製とし
て、その間に硬質厚紙等の芯材を挟んだ構造にすること
が可能である。なお、図面上、背板８とマチ１０は図を
簡略化するために１枚の板で表した。The back plate 8 can be made of any material and structure. For example, the outer material may be made of leather, the lining material may be made of cloth, and a cushion material such as urethane may be sandwiched therebetween. The material and structure of the gusset 10 are also free. For example, it is possible to use a structure in which the outer material is made of leather and the lining material is made of cloth, and a core material such as hard cardboard is sandwiched therebetween. In the drawings, the back plate 8 and the gusset 10 are shown as one plate for the sake of simplicity.
【００１３】背板８には、その上端中央部に背負いベル
ト９を取付け、また、ランドセル本体には、ノート等収
納空間１９の上方に開閉自在な冠２０を設ける。A back belt 8 is attached to a central portion of an upper end of the back plate 8, and an openable and closable crown 20 is provided above a storage space 19 for notes and the like in the school bag body.
【００１４】次に、図３及び図４に示した第２実施例
は、マチ１０の後辺部に内側方向への折曲部１１を設け
て、その折曲部１１を背板８の裏面側に重ね合わせると
ともに、背板８の側縁部１２をヘリ巻き１３で被覆し
て、背板８の側辺部とヘリ巻き１３とマチ１０の折曲部
１１とを接合し、そのヘリ巻き１３の表面とマチ１０の
表面とを面一にしたものである。Next, in the second embodiment shown in FIGS. 3 and 4, an inwardly bent portion 11 is provided on the rear side of the gusset 10 and the bent portion 11 is provided on the back surface of the back plate 8. The side edge portion 12 of the back plate 8 is covered with a helix winding 13, and the side edge portion of the back plate 8, the helix winding 13 and the bent portion 11 of the gusset 10 are joined together, and the helix winding is performed. The surface of 13 and the surface of the gusset 10 are flush with each other.
【００１５】この第２実施例も、マチ１０が内側へ凹ま
ないので、ノート等収納空間１９の横幅を上記従来例よ
りも少し拡大することができ、しかも、背板８の横幅を
増大する必要がない。また、背板８の側縁部１２をヘリ
巻き１３で被覆することにより見栄えが良くなる。Also in the second embodiment, since the gusset 10 is not recessed inward, the lateral width of the storage space 19 for notes and the like can be slightly increased as compared with the above-mentioned conventional example, and the lateral width of the back plate 8 must be increased. There is no. Also, by covering the side edge portion 12 of the back plate 8 with the helix winding 13, the appearance is improved.
【００１６】次に、図５及び図６に示した第３実施例
は、マチ１０の後辺部に内側方向への折曲部１１を設け
るとともに、背板８の側辺部に裏面側へ折り返すヘリ返
し１４を設けて、マチ１０の折曲部１１を背板８のヘリ
返し１４に重ね合わせて接合し、その背板８のヘリ返し
１４の折返面１５とマチ１０の表面とを面一にしたもの
である。Next, in the third embodiment shown in FIGS. 5 and 6, an inwardly bent portion 11 is provided on the rear side of the gusset 10 and the back side of the back plate 8 is moved to the back side. The folding back 11 is provided, and the bent portion 11 of the gusset 10 is superposed on and joined to the heli-back 14 of the back plate 8, and the folding surface 15 of the heli-back 14 of the back plate 8 and the surface of the gusset 10 are joined together. It is one.
【００１７】この第３実施例も、マチ１０が内側へ凹ま
ないので、ノート等収納空間１９の横幅を上記従来例よ
りも少し拡大することができ、しかも、背板８の横幅を
増大する必要がない。また、背板８にヘリ返し１４を設
けたことにより、上記第２実施例のようなヘリ巻き１３
を用いずとも見栄えを良くすることができる。Also in this third embodiment, since the gusset 10 is not recessed inward, the lateral width of the storage space 19 for notes and the like can be slightly increased as compared with the above-mentioned conventional example, and the lateral width of the back plate 8 must be increased. There is no. In addition, since the back plate 8 is provided with the helix return 14, the helicopter winding 13 as in the second embodiment is provided.
You can improve the appearance without using.
【００１８】なお、第３実施例や上記の第２実施例の図
面に示したように、背板８の裏面側とマチ１０の折曲部
１１の裏面側を裏地１６で被覆することができる。ま
た、図は省略するが、上記の第１実施例のランドセルに
も、もちろん、裏地１６を設けることは可能である。こ
のように裏地１６を設けることにより、ノート等収納空
間１９の内面部に露呈するマチ１０の折曲部１１が隠蔽
されて、内面部の見栄えが良くなるとともに、その裏地
１６にソフトな素材を用いることによりノートや教科書
等の損傷を防ぐことができる。As shown in the drawings of the third embodiment and the second embodiment, the back side of the back plate 8 and the back side of the bent portion 11 of the gusset 10 can be covered with the lining 16. . Although illustration is omitted, it is of course possible to provide the lining 16 on the school bag of the first embodiment described above. By providing the lining 16 in this manner, the bent portion 11 of the gusset 10 exposed on the inner surface of the storage space 19 such as a notebook is hidden, and the appearance of the inner surface is improved, and the lining 16 is made of a soft material. By using it, it is possible to prevent damage to notebooks and textbooks.
【００１９】次に、図７及び図８に示した第４実施例
は、上記の第１実施例と同一構造のランドセルにおける
背板８の側辺部とマチ１０の後辺部との角部接合個所の
表面側を角革１７で被覆したものである。Next, a fourth embodiment shown in FIGS. 7 and 8 is a corner portion between the side portion of the back plate 8 and the rear portion of the gusset 10 in the school bag having the same structure as that of the first embodiment. The surface side of the joint is covered with square leather 17.
【００２０】この第４実施例も、マチ１０が内側へ凹ま
ないので、ノート等収納空間１９の横幅を上記従来例よ
りも少し拡大することができ、しかも、背板８の横幅を
増大する必要がない。なお、図は省略するが、この角革
１７を、上記の第２実施例と第３実施例のランドセルに
設けることも可能である。このように、角革１７を設け
れば、マチ１０と背板８の接合個所が補強され、かつ、
外観の見栄えが良くなる。Also in the fourth embodiment, since the gusset 10 is not recessed inward, the lateral width of the storage space 19 for notes or the like can be slightly increased as compared with the above-mentioned conventional example, and the lateral width of the back plate 8 must be increased. There is no. Although not shown, this square leather 17 can be provided in the school bags of the second and third embodiments. In this way, if the square leather 17 is provided, the joint between the gusset 10 and the back plate 8 is reinforced, and
The appearance will be improved.
【００２１】また、図は省略するが、上記の各実施例に
おけるランドセルにおいて、背板８に対する底の接合構
造を、背板８とマチ１０の接合構造と同一にすることが
できる。このようにすれば、背板３の下縁部よりも底が
上側へ凹まないので、ランドセル本体のノート等収納空
間１９の深さを上記従来例よりも少し大きくすることが
でき、しかも、背板８の縦方向の長さを増大する必要が
ない。なお、底はマチ１０と一連に形成することができ
る。Although not shown in the drawings, in the school bag in each of the above embodiments, the joint structure of the bottom to the back plate 8 can be made the same as the joint structure of the back plate 8 and the gusset 10. In this way, the bottom of the back plate 3 is not recessed upward from the lower edge, so that the depth of the storage space 19 for the notebook and the like in the school bag body can be made slightly larger than that of the conventional example, and the back There is no need to increase the longitudinal length of the plate 8. The bottom can be formed in series with the gusset 10.
【００２２】[0022]
【発明の効果】請求項１ないし請求項５記載の本発明の
ランドセルは、いずれも、マチ１０が背板８の側縁部１
２より内側へ凹まず、ノート等収納空間１４の幅が少し
拡大することになるので、Ａ４サイズ等の大型の教科書
やノート等でも楽に収容することができる。しかも、背
板８の幅を増大する必要がないので、材料コストのアッ
プを回避することができる。なお、底と背板８の接合構
造をマチ１０と背板８の接合構造と同一にすれば、底が
背板８の下縁部より上側へ凹まず、ノート等収納空間１
４の深さを少し大きくすることができ、同じくＡ４サイ
ズ等の大型の教科書やノート等でも楽に収容することが
でき、しかも、背板８の縦方向の長さを増大する必要が
ないので、材料コストのアップを回避することができ
る。また、請求項２記載の本発明のランドセルは、背板
８の側縁部１２をヘリ巻き１３で被覆することにより見
栄えが良くなるというメリットがある。また、請求項３
記載の本発明のランドセルは、背板８にヘリ返し１４を
設けたことにより、上記のヘリ巻き１３を用いずとも見
栄えを良くすることができる。また、請求項４記載の本
発明のランドセルは、角革１７を設けたことによりマチ
１０と背板８の接合個所を補強することができるととも
に、外観の見栄えを良くすることができる。In each of the school backpacks according to the first to fifth aspects of the invention, the gusset 10 has the side edge portion 1 of the back plate 8.
Since the width of the storage space 14 for notes and the like is slightly expanded without being recessed inward from 2, it is possible to easily accommodate large textbooks such as A4 size textbooks and notes. Moreover, since it is not necessary to increase the width of the back plate 8, an increase in material cost can be avoided. If the joint structure between the bottom and the back plate 8 is the same as the joint structure between the gusset 10 and the back plate 8, the bottom will not be recessed upward from the lower edge portion of the back plate 8 and the storage space for notes 1
The depth of 4 can be increased a little, and similarly, large textbooks such as A4 size, notebooks, etc. can be accommodated easily, and since it is not necessary to increase the longitudinal length of the back plate 8, It is possible to avoid an increase in material cost. Further, the school bag of the second aspect of the present invention has an advantage that the side edge portion 12 of the back plate 8 is covered with the helix winding 13 to improve the appearance. Further, claim 3
The school backpack of the present invention described above can be improved in appearance without using the above-mentioned helicopter winding 13 by providing the back plate 8 with the helix return 14. In addition, the school bag of the present invention according to claim 4 can reinforce the joint between the gusset 10 and the back plate 8 by providing the square leather 17, and can improve the appearance.
【図１】第１実施例の斜視図である。FIG. 1 is a perspective view of a first embodiment.
【図２】図１のＡ−Ａ線における部分断面図である。FIG. 2 is a partial cross-sectional view taken along the line AA of FIG.
【図３】第２実施例の斜視図である。FIG. 3 is a perspective view of a second embodiment.
【図４】図３のＢ−Ｂ線における部分断面図である。FIG. 4 is a partial cross-sectional view taken along the line BB of FIG.
【図５】第３実施例の斜視図である。FIG. 5 is a perspective view of a third embodiment.
【図６】図５のＣ−Ｃ線における部分断面図である。6 is a partial cross-sectional view taken along the line CC of FIG.
【図７】第４実施例の斜視図である。FIG. 7 is a perspective view of a fourth embodiment.
【図８】図７のＤ−Ｄ線における部分断面図である。8 is a partial cross-sectional view taken along the line DD of FIG.
【図９】従来例の部分断面図である。FIG. 9 is a partial cross-sectional view of a conventional example.
１ マチ ２ 折曲部 ３ 背板 ４ 角革 ５ 糸目 ６ 背板の側縁部 ７ ノート等収納空間 ８ 背板 ９ 背負いベルト １０ マチ １１ 折曲部 １２ 背板の側縁部 １３ ヘリ巻き １４ ヘリ返し １５ 折返面 １６ 裏地 １７ 角革 １８ 糸目 １９ ノート等収納空間 ２０ 冠 1 gusset 2 Folding section 3 backboard 4 square leather 5 thread 6 Side edge of back plate Storage space for 7 notebooks 8 backboard 9 shoulder belt 10 gusset 11 Folding section 12 Side edge of back plate 13 helicopter winding 14 Heli return 15 Folding surface 16 lining 17 corner leather 18 Thread Storage space for 19 notebooks 20 crowns
Claims (5)
１１を設けて、その折曲部１１を背板８の裏面側に重ね
合わせて接合し、そのマチ１０の表面と背板８の側縁部
１２とを面一にしたことを特徴とするランドセル。1. A fold portion 11 inward is provided on the rear side of the gusset 10, and the fold portion 11 is overlapped and joined to the back side of the back plate 8 to join the front and back surfaces of the gusset 10. A school bag in which the side edges 12 of the plate 8 are flush with each other.
１１を設けて、その折曲部１１を背板８の裏面側に重ね
合わせるとともに、背板８の側縁部１２をヘリ巻き１３
で被覆して、背板８の側辺部とヘリ巻き１３とマチ１０
の折曲部１１とを接合し、そのヘリ巻き１３の表面とマ
チ１０の表面とを面一にしたことを特徴とするランドセ
ル。2. A fold portion 11 is provided inwardly on the rear side of the gusset 10, and the fold portion 11 is superposed on the back surface side of the back plate 8, and the side edge portion 12 of the back plate 8 is provided. Heli winding 13
With the side plate of the back plate 8, the helix 13 and the gusset 10.
The school backpack is characterized in that the bent portion 11 is joined and the surface of the helix 13 and the surface of the gusset 10 are flush with each other.
１１を設けるとともに、背板８の側辺部に裏面側へ折り
返すヘリ返し１４を設けて、マチ１０の折曲部１１を背
板８のヘリ返し１４に重ね合わせて接合し、その背板８
のヘリ返し１４の折返面１５とマチ１０の表面とを面一
にしたことを特徴とするランドセル。3. The bent portion 11 of the gusset 10 is provided with an inwardly bent portion 11 on the rear side portion of the gusset 10 and a heli barb 14 which is folded back to the rear surface side on the side edge portion of the back plate 8. The back plate 8 and the helicopter bar 14 of the back plate 8 so as to be joined to each other.
A school bag in which the folded surface 15 of the heli return 14 and the surface of the gusset 10 are flush with each other.
の裏面側を裏地１６で被覆した請求項１、２、又は３記
載のランドセル。4. The back side of the back plate 8 and the bent portion 11 of the gusset 10.
The school bag according to claim 1, 2 or 3, wherein the back surface side of the above is covered with a lining material 16.
角部接合個所の表面側を角革１７で被覆した請求項１、
２、３又は４記載のランドセル。5. A front surface side of a corner joining portion between a side portion of the back plate 8 and a rear side portion of the gusset 10 is covered with horn leather 17.
The school bag described in 2, 3, or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002122607A JP2003310324A (en) | 2002-04-24 | 2002-04-24 | School bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002122607A JP2003310324A (en) | 2002-04-24 | 2002-04-24 | School bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003310324A true JP2003310324A (en) | 2003-11-05 |
Family
ID=29538169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002122607A Pending JP2003310324A (en) | 2002-04-24 | 2002-04-24 | School bag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003310324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019244925A1 (en) * | 2018-06-20 | 2019-12-26 | 株式会社セイバン | School rucksack |
-
2002
- 2002-04-24 JP JP2002122607A patent/JP2003310324A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019244925A1 (en) * | 2018-06-20 | 2019-12-26 | 株式会社セイバン | School rucksack |
| CN112312796A (en) * | 2018-06-20 | 2021-02-02 | 株式会社西播 | Student backpack |
| RU2754660C1 (en) * | 2018-06-20 | 2021-09-06 | Сеибан Лимитед | Kit |
| CN112312796B (en) * | 2018-06-20 | 2022-08-23 | 株式会社西播 | Student backpack |
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