JP4858833B2 - Backpack and adjustment method of the backpack - Google Patents

Description

  The present invention relates to a school bag, a rucksack, and other various bag bags, and a method for adjusting the bag bag.

  This type of shoulder bag has a storage part that can store articles and a back belt for carrying the storage part. When the back bag is carried, the back belt fits the user's body. The more you are, the more the center of gravity of your backpack will not move away from your body, and you can carry the backpack in a stable state.

  For this reason, conventionally, with this type of shoulder bag, the lower connecting ring and the intermediate connecting ring of the shoulder belt are devised so that the shoulder belt fits the user's body when the user carries the shoulder.

  For example, in the shoulder bag shown in FIG. 7, the connection sides 22a of the lower connection ring 22 of each of the pair of shoulder belts 21 are inclined so as to become lower toward the outside (Patent Document 1). .

  In the shoulder bag thus constructed, the shoulder belt 21 has a lower outer edge of the shoulder belt 21 closer to the user's body as shown in FIG. 8 than the ordinary shoulder belt 21 as shown in FIG. Therefore, when the shoulder bag is carried, the entire width of the shoulder belt 21 is easily brought into surface contact with the portion of the user's flank to the chest, and the shoulder belt 21 fits the user's body. Become.

  Further, in the shoulder bag as shown in FIG. 10, the portion 23a of the pair of shoulder belts 21 that hits the inside of the upper half of each intermediate coupling ring 23 is twisted outward of the user's body as shown in FIG. (Patent Document 2).

In such a shoulder bag, the shoulder belt 21 is inclined so that the outer edge of the lower part approaches the user's body. The entire width of the belt 21 is easy to come into surface contact, and the shoulder belt 21 fits the user's body.
Japanese Utility Model Publication No. 3-22711 (FIGS. 1 and 2) JP-A-9-262114 (FIGS. 2 and 3)

  However, in the conventional shoulder bag, as described above, the outer edge of the lower portion of the shoulder belt 21 is inclined so as to approach the user's body, and when the user carries the shoulder, it is applied from the user's flank to the chest. The entire width of the shoulder belt 21 can be easily brought into surface contact with the portion, and the shoulder belt 21 fits the user's body, but the inclination angle of the shoulder belt 21 is constant, and the user's physique Therefore, it is not sufficient to fit the shoulder belt 21 in accordance with the body of the user of any physique. In particular, when the carrying bag is a school bag, it is not sufficient to always fit the carrying belt 21 in accordance with the body of an elementary school student whose physique is getting bigger and bigger.

  Further, in the conventional shoulder bag, as described above, the entire width of the shoulder belt 21 is easily brought into surface contact with the portion from the user's flank to the chest so that the shoulder belt 21 fits the user's body. However, there is a case where the shoulder belt 21 is only in partial contact with the shoulder portion of the user and the entire width may not be in surface contact, and the shoulder belt 21 may not completely fit the user's body. It was.

  Therefore, the present invention solves the above-mentioned conventional problems, and the user can easily fit the shoulder belt to the user's body when the user of any physique is carried on the back. In the case of a school bag, the purpose was to provide a backpack that can always fit the backpack according to the body of elementary school students who are getting bigger and a method of adjusting the backpack. Is.

The backpack of the present invention has a storage portion 2 capable of storing articles, and a backpack belt 3 for carrying the storage portion 2, and at least a part of the portion of the backrest belt 3 that contacts the user's body, A shoulder bag provided with a resin shape retaining tape 8 that can change the shape of the back belt 2 , wherein the resin shape retaining tape 8 is made of a plastically deformable synthetic resin having a shape retaining property. It is assumed that the belt 3 is made of a synthetic resin that can be bent at an arbitrary angle when bent by a finger and can hold the shape almost as it is until a bending force is applied to a different bending angle. At least part of the part that contacts the user's body, the part provided with the resin shape holding tape 8 is in surface contact with the entire width so that no gap is generated between the user's body and the part. Shall There.

The method for adjusting a shoulder bag according to the present invention is a plastic resin that is plastically deformable and has shape-retaining properties in at least a part of a portion that comes into contact with the user's body. The belt 2 having the resin shape holding tape 8 made of synthetic resin that can hold the shape almost as it is is hung on the shoulder of the user until a bending force is applied at different bending angles. , piggybacks housing portion 1 on the back of the user, backpack belt 2 of the resin shaped holding tape - the shape of the portion annexed to flop 8, so that no gap between the body of the user, the user The body is adjusted so that the entire width comes into surface contact with the body.

  Since the present invention is configured as described above, the user can easily fit the shoulder belt to the user's body when the user of any physique is carried on the back. If you are a school bag, you will always be able to keep your back belt fitted to the body of elementary school students who are getting bigger and bigger.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  The figure shows an embodiment in which the shoulder bag of the present invention is a school bag. The school bag includes a left and right gusset part 1a, 1a, a front partition part 1b, a back part 1c, and a bottom part 1d, and has a storage part 2 capable of storing articles such as textbooks, notebooks, pencil cases, and the like. 2 has a pair of shoulder belts 3 attached from the upper part of the back part 1c to the bottom part 1d, and a back saucer 4 that allows the upper opening of the storage part 2 to be opened and closed.

  When the backpack is a school bag, the backpack 3 is composed of an upper belt 3a and a lower belt 3b as shown in the figure. The upper end of the upper belt 3a is connected to the upper part of the back 1c of the school bag by the upper connector 5. The lower end of the lower belt 3b is attached to the bottom 1d of the school bag by the lower connector 6. The upper belt 3a and the lower belt 3b are connected by the intermediate connector 7, and the back belt 3 is connected by the intermediate connector 7. The length can be adjusted.

  In addition, when the backpack 3 is a rucksack or the like, the backpack belt 3 can be composed of a belt-like belt, and in such a case, the upper end of the belt is connected to the upper connector 5. The lower end of the belt is attached to the bottom 1d of the shoulder bag by the lower connector 6, and a length adjuster (not shown) attached in the middle of the shoulder belt 3 is attached to the upper part of the shoulder bag 1c. The length can be adjusted.

  The backpack 3 is provided with a resin shape holding tape 8 which can change the shape of the backpack 3 on at least a part of the portion that contacts the user's body.

  In the illustrated example, the resin shape holding tape 8 is attached to a portion of the upper belt 3a that contacts the chest from the user's shoulder and a portion that contacts the flank of the lower belt 3b. It may be attached to only one of the belt 3a or the lower belt 3b, or may be attached to other portions.

  The backpack of the present invention includes a lower connecting ring 22 of a conventional backpack belt 21 as shown in FIGS. 7 and 8, and a backpack 21 of a conventional backpack as shown in FIGS. It can also be implemented as a combination with the intermediate connecting ring 23.

  In the carrying bag of the present invention, the resin shape holding tape 8 on both the upper belt 3a and the lower belt 3b is provided, or one of the resin shape holding tapes on the upper belt 3a and the lower belt 3b. The shape of the portion provided with the plug 8 can be changed so as to be in surface contact with the user's body so that no gap is generated, that is, the entire width is in surface contact with the user's body.

  For example, if the shape is changed by bending the portion provided with the resin shape holding tape 8 from the state shown in FIG. 1a to the state shown in FIG. 1b, the outer edge of the lower belt 3b becomes the body of the user. Therefore, when the shoulder bag is carried, the entire width of the lower belt 3b comes into surface contact with the portion from the user's flank to the chest, which fits the user's body.

  In order to attach the resin shape holding tape 8 to the backpack belt 3, it can be attached to the inner surface of the backpack belt 3 or attached to the inside of the backpack belt 3 as a core material.

  As shown in FIG. 3, the upper belt 3a of the backpack 3 has a cushioning material 10 made of synthetic resin or the like sandwiched between exterior fabrics 9 (front fabric 9a, back fabric 9b) made of synthetic leather or the like. The resin shape retaining tape 8 is inserted between the exterior fabric 9 and the cushion material 10, and the exterior fabric 9, cushion material 10 and resin shape retention tape 8 are sewn together. Yes.

  Further, as shown in FIG. 4, the lower belt 3b of the shoulder belt 3 is made of an exterior fabric 9 (front fabric 9a, back fabric 9b) made of synthetic leather or the like, and the resin shape retaining tape 8 is interposed therebetween. , And the exterior fabric 9 and the resin shape holding tape 8 are fixed with a ridge 11.

  In this case, if the outer fabric 9 and the resin shape retaining tape 8 are previously formed with holes 12 for penetrating the ridges 11, they can be easily fixed without being displaced. It becomes.

  The resin-made shape retaining tape 8 capable of changing the shape of the shoulder belt 3 is made of a plastic resin having shape retaining property and capable of being plastically deformed, and is bent at an arbitrary angle when bent by fingers or the like. It can be made of a synthetic resin that can hold its shape almost as it is until a bending force is applied to different bending angles.

  As such a resin shape-maintaining tape 8, there is one obtained by stretching a polyolefin at a high magnification in a uniaxial direction. For example, “Forte” is a synthetic resin shape-maintaining material manufactured by Sekisui Chemical Co., Ltd. (Trade name) can be mentioned, but is not limited thereto.

  The backpack of the present invention configured as described above can be adjusted as follows.

  First, a shoulder belt 3 having a resin shape retaining tape 8 attached to at least a part of the portion that contacts the user's body is hung on the shoulder portion of the user, and the storage portion 2 of the shoulder bag is placed on the user's shoulder. Bear on your back.

  Then, the shape of the portion of the shoulder belt 3 provided with the resin shape retaining tape 8 is brought into surface contact with the user's body so that no gap is formed, that is, the resin shape retaining tape. The shape of the portion provided with 8 is adjusted so that the entire width is in surface contact with the user's body.

  In order to adjust the shoulder belt 3 in this way, the portion of the upper belt 3a of the shoulder belt 3 that is in contact with the chest from the shoulder of the user is provided with the resin shape retaining tape 8. It is only necessary to bend it according to the curved shape from the shoulder to the chest of the person, and keep the bent shape, and a resin shape holding tape 8 is attached to the portion of the lower belt 3 that contacts the side of the lower belt 3b. In this case, the outer edge of the lower belt 3b at that portion may be bent so as to approach the user's flank and maintained in the bent shape.

  When the backpack is a school bag, the length of the backbelt 3 is increased by the intermediate connector 7 that connects the upper belt 3a and the lower belt 3b each time the physique of the elementary school student who is a user increases. It is only necessary to adjust the shape of the portion where the resin shape holding tape 8 is attached.

  Therefore, when the shoulder bag of the present invention adjusted as described above is carried, the entire width of the shoulder belt 3 comes into surface contact at the shoulder position of the user or the position from the user's flank to the chest. The shoulder belt 3 fits to the user's body.

  When the carrying bag is a school bag, the carrying belt 3 can always be fitted to the body of an elementary school student whose body size is increasing.

It is explanatory drawing which shows the state before change of the shape of the shoulder belt of the shoulder bag of this invention. It is explanatory drawing which shows the state after the change of the shape of the backpack belt of the backpack of this invention. It is a side view which shows the state in which the user carried the shoulder bag of this invention. It is a partial expanded sectional view of the upper belt of the shoulder belt of the shoulder bag of this invention. It is a top view of the lower belt of the shoulder belt of the shoulder bag of this invention. It is a perspective view of the resin shape holding tape attached to the upper belt of the backpack belt of the backpack of this invention. It is a perspective view of the resin shape holding tape attached to the lower belt of the shoulder bag of the shoulder bag of this invention. It is explanatory drawing which shows the state which looked at the example of the conventional backpack which gave the device which a backpack belt fits a user's body from the back side. It is a side view of the conventional shoulder bag shown in FIG. It is a side view of the conventional backpack which does not give the device which a backpack belt fits a user's body. It is explanatory drawing which shows the state which the user carried on the back of the other example of the conventional backpack which gave the device which a backpack belt fits a user's body. It is a perspective view of the intermediate connection ring of the backpack belt of the conventional backpack shown in FIG.

Explanation of symbols

2 Storage 3 Backpack 8 Resin shape retaining tape

Claims (2)

It has a storage part (2) capable of storing articles, and a back belt (3) for carrying the storage part (2), and at least a part of the back belt (3) contacting the user's body A shoulder bag provided with a resin shape retaining tape (8) capable of changing the shape of the shoulder belt (2), the resin shape retaining tape (8) having shape retaining properties. It is a plastic resin that can be plastically deformed, and it can be bent to any angle when bent by fingers, and it can be held almost as it is until it is bent to a different bending angle. A gap is formed between the user's body and the portion where the resin shape retaining tape (8) is attached to at least a portion of the portion of the shoulder belt (3) that contacts the user's body. So that the full width is in surface contact Bag backpack, characterized in that it was. At least part of the part that contacts the user's body is a plastically deformable synthetic resin that has shape-retaining properties, and can be bent to any angle when bent by fingers, and further bent to different bending angles. Until the shape is applied, a shoulder belt (2) provided with a resin shape retaining tape (8) made of a synthetic resin that can substantially retain its shape is hung on the shoulder of the user, and the storage portion (1) the backpack on the back of the user, backpack belt (2) the resin shaped holding tape of - up the shape of the portion attached to (8), so as not to create a gap between the body of the user, the user A method for adjusting a shoulder bag, characterized in that the entire width of the body is in surface contact with the body.

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