JP3763129B2 - school bag - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a school bag having a shoulder bag of a school bag body and an improved mounting tool thereof.
[0002]
[Prior art]
As a conventional school bag fixture, as shown in FIG. 10, two insertion portions 32, 32 are provided by dividing the substantially central portion of the bent portion of the coupling body 31 in which the metal plate is folded in half. Stop holes 33 and 33 are provided below the insertion portions 32 and 32, and a leg portion of a substantially Ω-shaped suspension ring 35 is rotated in a space portion 34 formed on the end portions of the insertion portions 32 and 32 facing each other. There are some which are attached so as to be movable, and further, connecting rings 37 and 37 having substantially triangular shapes are attached to both ends of the insertion portions 32 and 32, respectively.
[0003]
As shown in FIG. 11, the school bag fixture constructed in this way attaches the connecting body 31 to the uppermost stage of the backrest portion 42 of the school bag body 41 or a position slightly lowered from the uppermost stage, and connects the connecting ring 37, 37, the upper ends of the shoulder belts 43 and 43 were attached, respectively.
[0004]
The shoulder belt 43 is composed of an upper layer made of thick leather or synthetic resin, and a lower layer formed by wrapping thin leather or synthetic resin around a foamed synthetic resin. Is sewn.
[0005]
[Problems to be solved by the invention]
However, in the conventional school bag, as shown in FIG. 12, the connecting rings 37, 37 attached to both ends of the insertion portions 32, 32 of the connecting body 31 rotate in the user's back direction, and the connecting ring 37. , 37, the shoulder belts 43, 43 are gradually displaced from the shoulders due to the weight of the school bag during use, and are inclined backward from the user's back. Therefore, the center of gravity of the school bag is separated from the back of the user, and the school bag has a problem that it is difficult to carry the school bag and feels heavy.
[0006]
Furthermore, in the conventional school bag, since the shoulder belt 43 is configured as described above, it is soft without tension, so that it is easily displaced from the user's shoulder during use, and the school bag is difficult to carry and feels heavy. Was supposed to promote.
[0007]
Moreover, in the conventional school bag, since it is inclined rearward away from the user's back, the lower end of the back rest part 42 of the school bag body 41 hits the user's back, and the user feels pain and is used. It had the problem of feeling bad.
[0008]
Accordingly, the present invention solves the above-described conventional problems, and the shoulder belt does not shift from the shoulder due to the weight of the school bag during use, and the back support part of the school bag is in close contact with the back of the user, and the center of gravity of the school bag is However, it is intended to provide a school bag that does not leave the user's back, does not feel heavy, and has a good feeling of use.
[0009]
[Means for Solving the Problems]
In the school bag of the present invention, a pair of shoulder belts 1 holding an elastic member 5 closer to the mounting portion are provided at the upper ends of a pair of left and right connecting bodies 7 of a mounting tool 4 provided on the back portion 3 of the school bag body 2. The shoulder belt 1 is attached with the attachment portion facing upward from the school bag body 2, and the connecting body 7 is integrally formed with the insertion portions 8 each having an insertion hole 8a at the top. The upper end of the shoulder belt 1 is inserted into the insertion hole 8a and riveted .
[0011]
In the school bag of the present invention, the shoulder belt 1 is composed of the upper layer body 6a and the lower layer body 6b, and the insertion portion 5a of the elastic member 5 is inserted between the upper layer body 6a and the lower layer body 6b. The folded portion 5b of the elastic member 5 is attached to the outer surface of the lower layer body 6b, and the upper layer body 6a, the lower layer body 6b, the insertion portion 5a, and both sides of the folded portion 5b are sewn together.
[0013]
Furthermore, in the school bag of the present invention, the connecting body 7 is attached to the backrest portion 3 so as to be swingable in the left-right direction, and the connecting body 7 is provided with inward elasticity.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the school bag of the present invention will be described below in detail with reference to the drawings.
[0015]
FIG. 1: has shown the perspective view which looked at the school bag of this invention from the backrest part side. Reference numeral 1 denotes a pair of shoulder belts, and the upper end portions of these shoulder belts 1 are attached to a fixture 4 provided on the upper portion of the backrest portion 3 of the school bag body 2. The lower end of the shoulder belt 1 is attached to a fixture (not shown) provided at the bottom of the school bag body 2. In addition, the upper part of the backrest part 3 means the position slightly lowered from the uppermost end of the backrest part 3 or the uppermost end.
[0016]
The shoulder belt 1 sandwiches an elastic member 5 such as an elastic synthetic resin plate, an elastic metal plate, or an elastic wire as shown in FIGS. 2 to 4 at the upper end portion or along the back surface of the upper end portion. Therefore, it is assumed that it is held closer to the mounting portion. The shoulder belt 1 is attached to the attachment 4 with the attachment portion of the shoulder belt 1 facing upward from the school bag body 2. The shoulder belt 1 shown in FIGS. 5 and 6 includes an upper layer 6a made of thick leather, synthetic resin, or the like, and a lower layer made by wrapping thin leather, synthetic resin, or the like around a foamed synthetic resin. 6b, and an insertion portion 5a of an elastic member 5 made of an elastic synthetic resin plate is inserted between the upper layer body 6a and the lower layer body 6b, and a folded portion 5b formed by folding back the base end of the insertion portion 5a The upper layer body 6a, the lower layer body 6b, the insertion portion 5a, and both sides of the folded portion 5b that overlap and overlap the outer surface of the body 6b are sewn. The insertion portion 5a of the elastic member 5 has a length that can be bent along the shoulder when the user hangs the shoulder belt 1 on the shoulder. In the illustrated case, the insertion portion 5a is about 6 cm. It may be longer or shorter than this. Moreover, when the upper end of the shoulder belt 1 is inserted into the insertion hole 8a of the coupling body 7 of the fixture 4 described later, the folded portion 5b of the elastic member 5 protrudes slightly from the insertion hole 8a and the shoulder belt 1 The lower layer 6b does not directly contact the connecting body 7 so that the lower layer 6b is not damaged. In the illustrated case, the lower layer 6b is about 2 cm. May be. Further, the base end portion of the elastic member 5 is provided with a covering portion 5c at the tip of the upper layer body 6a and the tip of the lower layer body 6b, and when the upper end of the shoulder belt 1 is inserted into the insertion hole 8a, The lower end body 6b is easily caught in the insertion hole 8a without being frayed and caught.
[0017]
As shown in FIGS. 7 and 8, the fixture 4 is formed by integrally forming insertion portions 8 each having an insertion hole 8 a in the upper part of a pair of left and right coupling bodies 7. The upper ends of the shoulder belts 1 are respectively inserted into the insertion holes 8a, and the rivets 10 are inserted into the rivet holes 9 provided in the insertion portion 8 and riveted. Further, the fixture 4 is provided with tooth portions 7a on the opposite side surfaces of the pair of left and right connecting bodies 7, and these tooth portions 7a are engaged with each other so that the connecting body 7 can swing to the backrest portion 3 in the left and right directions. In addition, the connecting body 7 is provided with inward elasticity. The insertion portion 8 is not particularly limited as long as the insertion portion 8 is provided in the upward direction of the coupling body 7, but is about 10 to 30 from the backrest portion 3 of the school bag body 2 to the shoulder belt 1 rather than directly above. It is preferable that it be tilted.
[0018]
In the embodiment shown in the figure, in order to attach the connecting body 7 to the backrest 3 so as to be swingable in the left-right direction, the connecting body 7 is sandwiched between the upper and lower cover plates 11 a and 11 b and formed on the connecting body 7. The sliding body 13 provided on the lower covering plate 11 b is inserted into the sliding hole 12, and the stopper 15 provided on the lower covering plate 11 b is pivotally supported in the shaft hole 14 provided at the lower end of the connecting body 7. Further, in order to apply the inward elasticity of the connecting bodies 7, springs 16 for pressing the outer surface 7b of each connecting body 7 inward are attached between the upper and lower cover plates 11a and 11b. The spring 16 is substantially U-shaped, the outer body 16a is supported by the support portion 17 and the support body 18 provided on the lower cover plate 11b, and the inner body 16b is in contact with the outer surface 7b of the connecting body 7. ing. Reference numeral 19 denotes a pressing plate for pressing the cloth 20 (see FIG. 1) on the upper covering plate 11a. Reference numeral 21 denotes a suspension ring for hanging the school bag when not in use, and is attached to the center of the upper end of the lower cover plate 11b.
[0019]
The fixture 4 has a rivet 24 penetrated from a rivet hole 22 provided in the push plate 19 into a rivet hole 23 provided in the upper cover plate 11a, and this rivet 24 is further provided in the lower cover plate 11b. The rivet hole 25 is penetrated and riveted to a stop plate (not shown) attached to the back side of the backrest portion 3 of the school bag body 2.
[0020]
As shown in FIGS. 1 and 5, the school bag of the present invention configured as described above has a state in which the attachment portion of the shoulder belt 1 attached to the coupling body 7 of the fixture 4 faces upward from the school bag body 2. It has become. Therefore, when the user carries the school bag, the school bag body 2 is always pulled obliquely upward as shown in FIG. Moreover, since the elastic member 5 is held near the attachment portion of the shoulder belt 1, the shoulder belt 1 bends so as to follow the user's shoulder.
[0021]
Therefore, when the school bag of the present invention is carried on the back in such a state, the back pad 3 of the school bag body 2 is kept in close contact with the back of the user.
[0022]
Furthermore, the school bag of this invention moves the position of the shoulder belt 1 in the upper part of the backrest part 3 of the school bag body 2 in the left-right direction within the swinging width of the connecting body 7 according to the user's physique. Can be maintained at a position corresponding to the physique by the inward elasticity applied to the connecting body 7.
[0023]
Therefore, the school bag of the present invention can make the position of the shoulder belt 1 in accordance with the user's physique and can be kept in close contact with the user's shoulder.
[0024]
【The invention's effect】
Since the school bag of the present invention is configured as described above, the shoulder belt does not shift from the shoulder due to the weight of the school bag during use, and the back support part of the school bag is in close contact with the back of the user. The center of gravity does not move away from the user's back, it does not feel heavy, and the feeling of use is good.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a state where a school bag of the present invention is viewed from a backrest side.
FIG. 2 is a perspective view showing an example of an elastic member held on the shoulder belt of the school bag of the present invention.
FIG. 3 is a perspective view showing another example of an elastic member held on the shoulder belt of the school bag of the present invention.
FIG. 4 is a perspective view showing still another example of the elastic member held on the shoulder belt of the school bag of the present invention.
FIG. 5 is a cross-sectional view showing a state in which the upper end portion of the shoulder belt of the school bag according to the present invention is attached to the connecting body of the fixture.
FIG. 6 is a perspective view of the vicinity of the upper end portion of the shoulder strap of the school bag according to the present invention.
FIG. 7 is a perspective view showing a state in which the upper cover plate of the school bag mounting tool of the present invention is removed.
FIG. 8 is an exploded perspective view of the school bag attachment according to the present invention.
FIG. 9 is an explanatory view showing a state where the school bag of the present invention is carried.
FIG. 10 is a perspective view of a conventional school bag fixture.
FIG. 11 is a partial perspective view showing a state in which a conventional school bag is viewed from the backrest side.
FIG. 12 is an explanatory view showing a state in which a conventional school bag is carried.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Shoulder belt 2 School bag main body 3 Backrest part 4 Attachment tool 5 Elastic member 5a Insertion part 5b Folding part 6a Upper layer body 6b Lower layer body 7 Connection body 8 Insertion part 8a Insertion hole

Claims (3)

A pair of elastic members (5) held close to the attachment portion at the upper ends of the pair of left and right connecting bodies (7) of the attachment (4) provided on the back portion (3) of the backpack body (2) The shoulder belt (1) is a school bag to which the shoulder belt (1) is attached in a state where the mounting portion of the shoulder belt (1) is directed upward from the school bag body (2) , and the connecting body (7) is inserted into the insertion hole (8a The school bag is formed by integrally forming an insertion portion (8) having a), and the upper end of the shoulder belt (1) is inserted into the insertion hole (8a) to be riveted .   The shoulder belt (1) is composed of an upper layer (6a) and a lower layer (6b), and the elastic member (5) is inserted between the upper layer (6a) and the lower layer (6b). (5a) is inserted and the folded portion (5b) of the elastic member (5) is attached to the outer surface of the lower layer (6b), and the upper layer (6a), the lower layer (6b), and the insertion portion (5a) ) And both sides of the folded portion (5b) are sewn together.   The school bag according to claim 1, wherein the connecting body (7) is attached to the backrest portion (3) so as to be swingable in the left-right direction, and the connecting body (7) is provided with inward elasticity. .

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