JP2004267687A - School satchel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a school satchel which prevents its shoulder belts from slipping down due to the weight thereof during carrying, allows a backrest thereof to stick on the back of the user, keeps the center of gravity of the school satchel to the back of the user, eliminates sense of heavy burden on the user, and brings about comfortable sense to the user. <P>SOLUTION: The school satchel is formed of a school satchel body 2, the back pad 3, a mounting fixture 4 arranged on an upper portion of the backrest, and mounting rings 6 for the respective shoulder belts 1, arranged in a manner facing upward from the school satchel body 2. Alternatively the school satchel is formed of a school satchel body 2, the backrest 3, a mounting fixture 4 arranged on an upper portion of the backrest, a pair of right and left link bodies 5 of the mounting fixture, and mounting rings 6 for the respective shoulder belts 1, arranged in a manner facing upward from the school satchel body 2. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a school bag with an improved shoulder belt of a school bag body and an improved attachment.
[0002]
[Prior art]
As shown in FIG. 19, as a conventional attachment for a school bag, two insertion portions 32, 32 are provided by dividing a substantially central portion of a bent portion of a connecting body 31 obtained by folding a metal plate into two. Stop holes 33, 33 are provided below the insertion portions 32, 32, and the legs of the substantially Ω-shaped suspension ring 35 are turned around the space portions 34 formed at the ends of the insertion portions 32, 32 facing each other. There is one that is movably mounted, and further has substantially triangular connecting rings 37, 37 rotatably attached to both ends of the insertion portions 32, 32, respectively.
[0003]
As shown in FIG. 20, the attachment device for the school bag configured as described above attaches the connecting body 31 to the top of the backrest portion 42 of the school bag main body 41 or at a position slightly lower than the top of the backing unit 42, and 37, the upper ends of the shoulder belts 43, 43 were respectively attached.
[0004]
The shoulder belt 43 is composed of an upper layer made of a thick leather or a synthetic resin material, and a lower layer formed by winding a thin leather or a synthetic resin material on a foamed synthetic resin material. Is sewn.
[0005]
[Problems to be solved by the invention]
However, in the above-mentioned conventional school bag, as shown in FIG. 21, the connecting rings 37, 37 attached to both ends of the insertion portions 32, 32 of the connecting body 31 rotate in the back direction of the user, and During use, the shoulder belts 43, 43 attached to the, 37 gradually shift from the shoulders due to the weight of the school bag, and tilt away from the back of the user. Therefore, there has been a problem that the center of gravity of the school bag is separated from the back of the user, and the school bag becomes difficult to carry and feels heavy.
[0006]
Furthermore, in the above-mentioned conventional school bag, since the shoulder belt 43 has the above-described configuration, it is not stretched and is soft, so it is easy to be displaced from the shoulder of the user during use, and the school bag becomes difficult to carry and feels heavy. Was to be encouraged.
[0007]
In addition, in the above-mentioned conventional school bag, since the user leans backward away from the back of the user, the lower end of the backrest 42 of the school bag body 41 hits the back of the user, and the user feels pain and uses it. There was a problem that the feeling was bad.
[0008]
Therefore, the present invention is to solve the above-mentioned conventional problem, and the shoulder strap does not shift from the shoulder due to the weight of the school bag during use, and the backrest of the school bag is in close contact with the user's back, and the center of gravity of the school bag is The purpose of the present invention is to provide a school bag which does not separate from the user's back, does not feel heavy, and has a good usability.
[0009]
[Means for Solving the Problems]
In the school bag of the present invention, the attachment ring 6 of the shoulder belt 1 is attached to the attachment 4 provided above the backrest 3 of the school bag main body 2 in a state facing upward from the school bag main body 2.
[0010]
Further, in the school bag of the present invention, the mounting ring 6 of the shoulder belt 1 is attached to the upper end of the pair of right and left connecting bodies 5 of the mounting tool 4 provided above the backrest 3 of the school bag main body 2 from the school bag main body 2. It is assumed that it was installed facing up.
[0011]
Further, in the school bag of the present invention, the mounting ring 6 may be rotatable in a range of a rotation angle of about 20 to 65 degrees in the front-rear direction.
[0012]
Still further, in the school bag of the present invention, the minimum height Hl of the mounting ring 6 may be about 5 to 20 mm, and the maximum height Hh may be about 20 to 30 mm.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the school bag of the present invention will be described in detail with reference to the drawings.
[0014]
FIG. 1 is a partially enlarged view of the school bag of the present invention as viewed from a backrest side. Reference numeral 1 denotes a pair of shoulder belts, and the upper ends of the shoulder belts 1 are attached to an attachment 4 provided above the backrest 3 of the school bag body 2. The lower end of the shoulder belt 1 is attached to an attachment (not shown) provided at the bottom of the school bag body 2. The upper part of the backrest 3 refers to the uppermost end of the backrest 3 or a position slightly lowered from the uppermost end.
[0015]
As shown in FIG. 2, the shoulder belt 1 includes an upper layer 1a made of thick leather or synthetic resin material and a lower layer 1b formed by winding thin leather or synthetic resin material around a foamed synthetic resin material. The upper layer body 1a and the lower layer body 1b are overlapped, and both sides thereof are sewn. The shoulder belt 1 may include an elastic member (not shown) such as an elastic synthetic resin plate, an elastic metal plate, or an elastic wire between the upper part of the upper body 1a and the upper part of the lower body 1b, if necessary. It may be held by being sandwiched or along these front and back surfaces.
[0016]
As shown in FIGS. 3 to 6, the attachment 4 has an attachment ring 6 of the shoulder belt 1 attached to an upper end of a pair of left and right connecting bodies 5 in a state facing upward from the school bag body 2. . The attachment ring 6 may be formed in a substantially trapezoidal shape as shown in the drawing, or in another rectangular shape, or the like, and may be fixed to the upper end of the connecting body 5 or may have a rotation angle of about 20 to 65 degrees in the front-rear direction. It is mounted so as to rotate in the range of. In order to rotate the mounting ring 6 in a range of a rotation angle of about 20 to 65 degrees, a substantially V-shaped groove is formed on both sides of the upper end of the connecting body 5 as shown in FIG. 7, the V-shaped angle of the groove 7 is adjusted to an angle of about 20 to 65 degrees, and both end shaft portions 6a of the mounting ring 6 are inserted into insertion holes 7a provided in the lower portion of the groove 7, When the mounting ring 6 is rotated, the front and rear surfaces of the base 6b of the mounting ring 6 are brought into contact with the side walls 7b of the groove 7. The rotation angle of the mounting ring 6 is such that the maximum rotation angle in the direction of the shoulder strap 1 is about 20 degrees and the maximum rotation angle in the direction of the backrest 3 is about 45 degrees. It is preferable because the shoulder belt 1 can be easily bent along the sag 8 of the school bag body 2 when the effects of the invention are exhibited or the school bag is packed in a box. Further, it is preferable that the mounting ring 6 has a minimum height Hl of about 5 to 20 mm and a maximum height Hh of about 20 to 30 mm in order to exhibit the effects of the present invention described later.
[0017]
Further, the mounting member 4 is provided with tooth portions 5a on opposing side surfaces of a pair of left and right connecting members 5, respectively, and the connecting members 5 can be freely swung in the left and right directions by engaging the tooth portions 5a with each other. And the connecting body 5 is provided with inward elasticity. In the embodiment shown in the figure, in order to attach the connecting body 5 to the backrest 3 so as to be swingable in the left-right direction, the connecting body 5 is sandwiched between the upper and lower covering plates 9a and 9b to form the connecting body 5. The sliding body 11 provided on the lower cover plate 9b is inserted into the slide hole 10 thus formed, and a shaft 13 provided on the lower end of the connecting body 5 supports a support 13 provided on the lower cover plate 9b. Further, in order to impart inward elasticity to the connecting members 5, a spring 14 for pressing the outer surface 5b of each connecting member 5 inward is attached between the upper and lower covering plates 9a and 9b. The spring 14 has a substantially U-shape. The outer body 14a is supported by the support portions 15 and 16 provided on the lower cover plate 9b, and the inner body 14b is brought into contact with the outer surface 5b of the connecting body 5. ing. Reference numeral 17 denotes a pressing plate for pressing the dough 18 (see FIG. 1) on the upper cover plate 9a. Reference numeral 19 denotes a suspension ring for suspending the school bag when not in use, and is attached to the center of the upper end of the lower cover plate 9b.
[0018]
Then, the attachment 4 allows the rivet 22 to pass through the rivet hole 21 provided in the upper cover plate 9a from the rivet hole 20 provided in the push plate 17, and the rivet 22 is provided in the lower cover plate 9b. The rivet hole 23 penetrates and is riveted to a stop plate (not shown) attached to the back side of the backrest 3 of the school bag body 2.
[0019]
As shown in FIGS. 8 to 10, the mounting fixture 4 has the mounting ring 6 of the shoulder belt 1 attached to the upper end of the pair of left and right connecting bodies 5 in a state facing upward from the school bag body 2. And The mounting ring 6 has a substantially triangular shape. The upper side 6c having the substantially triangular shape is flattened and a bent portion 6d is formed upward. A transparent elastic synthetic resin plate 24 provided with a fitting portion 24a for fitting the bent portion 6d of the upper side portion 6c is attached to the upper side portion 6c of the mounting ring 6. By holding the shoulder belt 1 on the elastic synthetic resin plate 24, the shoulder belt 1 is prevented from moving at the upper side 6c of the mounting ring 6. Then, in order to mount the mounting ring 6 in a state facing upward from the school bag main body 2, the mounting ring 6 is attached to a square pipe C which is non-rotatably fitted into a rectangular insertion hole 5 c formed at the upper end of the connecting body 5. The shafts 6a of both ends are flattened and non-rotatably fitted, and the mounting ring 6 is fixed to the upper end of the connecting body 5.
[0020]
Further, as shown in FIGS. 11 and 12, the mounting member 4 has the mounting ring 6 of the shoulder belt 1 attached to the upper end portion of the pair of left and right connecting bodies 5 in a state facing upward from the school bag body 2. And The mounting ring 6 has a substantially triangular shape. The upper side 6c having the substantially triangular shape is flattened and a bent portion 6d is formed upward. A transparent elastic synthetic resin plate 24 provided with a fitting portion 24a for fitting the bent portion 6d of the upper side portion 6c is attached to the upper side portion 6c of the mounting ring 6. By holding the shoulder belt 1 on the elastic synthetic resin plate 24, the shoulder belt 1 is prevented from moving at the upper side 6c of the mounting ring 6. In order to mount the mounting ring 6 in a state facing upward from the school bag main body 2, contact portions 5 d are formed in front of both ends of an insertion hole 5 c formed in an upper end portion of the connecting body 5, and the mounting ring 6 is mounted. The shaft portions 6a at both ends are rotatably inserted into the insertion holes 5c of the connecting body 5. In this way, when the backpack is carried, the shoulder belt 1 is pulled toward the user, and the base 6b of the mounting ring 6 comes into contact with the abutment 5d. Will be maintained.
[0021]
As shown in FIGS. 13 to 18, the school bag of the present invention configured as described above has a state in which the attachment ring 6 of the shoulder strap 1 attached to the connecting body 5 of the attachment 4 faces upward from the school bag main body 2. It has become. Therefore, when the user carries the school bag, the school bag body 2 is always pulled upward or obliquely upward by the shoulder belt 1 as shown in FIGS. In the case where the elastic member (see FIGS. 17 and 18) is held near the mounting portion of the shoulder belt 1, the shoulder belt 1 bends along the shoulder of the user.
[0022]
Therefore, when the backpack of the present invention is carried on the back in such a state, the backrest 3 of the backpack main body 2 is kept in close contact with the back of the user.
[0023]
Further, in the school bag of the present invention, the position of the shoulder belt 1 above the backrest 3 of the school bag main body 2 is moved in the lateral direction within the swinging width of the connecting body 5 according to the user's physique. In addition, due to the inward elasticity applied to the connecting body 5, the connecting body 5 can be maintained at a position corresponding to its physique.
[0024]
Therefore, in the school bag of the present invention, the position of the shoulder belt 1 can be made to correspond to the user's physique, and can be kept in close contact with the user's shoulder.
[0025]
【The invention's effect】
Since the school bag of the present invention is configured as described above, the shoulder belt does not slip off from the shoulder due to the weight of the school bag during use, and the backrest of the school bag comes into close contact with the back of the user, and The center of gravity did not separate from the user's back, did not feel heavy, and the feeling of use was good.
[Brief description of the drawings]
FIG. 1 is a partially enlarged view showing a state in which a school bag according to the present invention is viewed from a backrest side.
FIG. 2 is a perspective view of an upper end of a shoulder belt of the school bag of the present invention.
FIG. 3 is a perspective view showing a state in which an upper cover plate of an example of the attachment for a school bag of the present invention is removed.
FIG. 4 is an exploded perspective view of the mounting tool shown in FIG.
FIG. 5 is a perspective view showing a state in which an upper cover plate of another example of the attachment for a school bag of the present invention is removed.
FIG. 6 is an exploded perspective view of the fixture shown in FIG.
FIG. 7 is a perspective view showing a state where a mounting ring is removed from a connected body of the mounting tool shown in FIG. 5;
FIG. 8 is a perspective view showing a state in which a top cover plate of still another example of the attachment for a school bag of the present invention is removed.
FIG. 9 is a perspective view showing a state where a mounting ring is removed from a connected body of the mounting tool shown in FIG. 8;
FIG. 10 is a cross-sectional view showing a fixed state of the connecting body of the mounting tool and the mounting ring shown in FIG. 8;
FIG. 11 is a perspective view showing a state in which an upper cover plate of still another example of the attachment for a school bag of the present invention is removed.
FIG. 12 is a perspective view showing a state where a mounting ring is removed from a connected body of the mounting tool shown in FIG. 11;
FIG. 13 is a side view showing a state in which a shoulder belt is attached to the connected body of the attachment of the school bag of the present invention shown in FIG. 3;
14 is an explanatory view showing a state in which the school bag of the present invention shown in FIG. 13 is carried on the back.
FIG. 15 is a side view showing a state in which a shoulder belt is attached to the connected body of the attachment of the school bag shown in FIG. 5;
16 is an explanatory view showing a state in which the school bag of the present invention shown in FIG. 15 is carried.
FIG. 17 is a side view showing a state in which a shoulder belt is attached to the connected body of the attachment of the school bag shown in FIG. 8;
FIG. 18 is a side view showing a state in which a shoulder belt is attached to the connected body of the attachment of the school bag shown in FIG. 11;
FIG. 19 is a perspective view of a conventional attachment for a school bag.
FIG. 20 is a partial perspective view showing a state in which a conventional school bag is viewed from the backrest side.
FIG. 21 is an explanatory view showing a state in which a conventional school bag is carried on the back.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 shoulder belt 2 school bag body 3 backrest 4 mounting fixture 5 connecting body 6 mounting ring

Claims (4)

The attachment ring (6) of the shoulder belt (1) was attached to the attachment (4) provided above the backrest (3) of the school bag body (2) so as to face upward from the school bag body (2). A school bag, characterized in that: Attachment ring (6) of shoulder belt (1) is attached to the upper end of a pair of left and right connectors (5) of attachment (4) provided above backrest (3) of schoolbag body (2). (2) A school bag which is attached in a state facing upward from above. 3. The school bag according to claim 1, wherein the attachment ring (6) is rotatable in a front-rear direction within a rotation angle range of about 20 to 65 degrees. 3. The school bag according to claim 1, wherein a minimum height (Hl) of the mounting ring (6) is about 5 to 20 mm and a maximum height (Hh) is about 20 to 30 mm.

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