JPH1118813A - Shoulder belt upper end attaching tool for backpack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a backpack from being shifted and to prevent a user from feeling a pressure, having stiff shoulders or feeling fatigue by matching a shoulder belt with the physique of the user and fitting it around shoulders. SOLUTION: The belt attaching parts 3a of a pair of left and right attaching rings 3 are respectively inclined upwards from bent end parts 3b on an outer side and formed. Further, connection bodies 4 to which a pair of the left and right attaching rings are attached are made freely turnable in a horizontal direction and the belt attaching parts of the attaching rings are respectively inclined upwards from bend parts on the outer side and formed. Then, tooth parts 4a are respectively provided on the opposing side faces of the connection bodies to which the attaching rings are attached, the connection bodies are respectively freely swingably attached to a back abutting part 5 by engaging the tooth parts with each other, and elastic force in an inward direction is respectively added to the connection bodies.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting device for a shoulder belt upper end of a backpack such as a backpack or a rucksack.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, for example, as shown in FIG. 6, a shoulder-belt upper-end mounting device for a backpack of this type is obtained by dividing a substantially central portion of a bent portion of a connecting plate 30 obtained by folding a metal plate in half. And two insertion portions 31, 31 are provided.
Stop holes 32, 32 are provided below 1, 31 and the legs of a substantially Ω-shaped suspension ring 34 are rotatable in a space 33 formed at the end portions of the insertion portions 31, 31 facing each other. In addition, substantially triangular mounting rings 3 are rotatably mounted on both ends of the insertion portions 31, 31, respectively.

As shown in FIG. 7, the shoulder strap upper end mounting device for a backpack, which is constructed as described above, is mounted at the top of a backrest 5 of a backpack, such as a school bag, or at a position slightly lowered from the top. The upper ends of the shoulder belts 1 and 1 were attached to the mounting rings 3 and 3, respectively. In this carrying bag, the lengths of the shoulder belts 1 and 1 are adjusted by shifting the connection positions of the shoulder belts 1 and 1 with the adjustment belt 35 below.

[0004]

However, in the above-mentioned conventional shoulder strap upper end mounting device for a carrying bag, the mounting positions of the upper ends of the shoulder straps 1 and 1 cannot be moved. Enough
There was a problem of giving a feeling of oppression, fatigue, etc. to the user. In particular, in the case of school bags, since the shoulder width and the chest width are used during the growing period of children, the adjustment of the length of the shoulder belts 1 and 1 is not sufficient. In order not to move,
There was a problem that it could not cope with adjusting to the physique of a growing child.

Further, in the above-described conventional shoulder strap upper end mounting device for a backpack, the belt mounting portions 3a, 3a of the mounting ring 3 are provided.
And the bent end portions 3b, 3b are formed in the same plane. Therefore, as shown in FIG. 8, when attached to the upper end of the backrest 5 of a luggage such as a school bag, the belt of the attachment ring 3 is attached. Left and right shoulder belts 1, 1 attached to the sections 3a, 3a
Are spread on the same plane in the left-right direction. Therefore, when carrying such a carrying bag, the left and right shoulder belts 1 and 1 do not fit around the shoulder of the user, and the carrying bag is displaced, the shoulder of the user becomes stiff, and the user feels tired. Or had the problem of

SUMMARY OF THE INVENTION Accordingly, the present invention solves the problem of the above-mentioned conventional shoulder strap upper end mounting device for a carrying bag, and enables the shoulder belt attached to the carrying bag to be adapted to the physical size of the user. The present invention provides a shoulder belt upper end mounting device for a backpack that does not shift the backpack, does not allow the user to feel pressure and stiffens the shoulder, and does not cause the user to feel tired. It is done for the purpose of.

[0007]

Therefore, a shoulder belt upper end mounting device for a backpack according to the present invention comprises a pair of left and right mounting rings 3, 3 having belt mounting portions 3a, 3a at outer bent end portions 3.
b and 3b, each of which is formed to be inclined as an upward gradient.

[0008] Further, according to the present invention, there is provided a shoulder strap upper end mounting device for a backpack, wherein the connecting members 4, 4 to which a pair of left and right mounting rings 3, 3 are attached are rotatable in the left and right direction, and the mounting rings 3 The belt attachment portions 3a, 3a of the third and third belts can be formed so as to be inclined upward from the outer bent portions 3b, 3b.

Then, teeth 4a, 4a are respectively provided on opposing side surfaces of the connecting bodies 4, 4 to which the mounting rings 3, 3 are attached, and these teeth 4a, 4a are meshed with each other to put the connecting bodies 4, 4 on the back. The connecting members 4 and 4 can be provided with inward elasticity, while being attached to the abutting portions 5 so as to be swingable.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 1 is a perspective view of a school bag provided with the shoulder belt upper end mounting device of the present invention as viewed from the backrest side. Reference numeral 1 denotes a shoulder belt, and the upper end of the shoulder belt 1 is attached to an upper end fixture 2, and the lower end of the shoulder belt 1 is attached to a lower end fixture (not shown).

As shown in FIGS. 2 and 3, the upper end fitting 2 includes a connecting body 4 to which a pair of left and right mounting rings 3, 3 are attached.
The toothed portions 4a, 4a are provided on opposing side surfaces of the connecting member 4, and the connecting portions 4, 4 are attached to the backrest portion 5 so as to be swingable by meshing the toothed portions 4a, 4a with each other. Are provided with inward elasticity.

In the embodiment shown in the drawings, in order to swingably attach the connecting member 4 to the backrest 5, the connecting member 4 is sandwiched between the upper and lower cover plates 6a and 6b to form the connecting member 4. The sliding body 8 provided on the lower covering plate 6b is fitted into the sliding hole 7 thus formed, and the lower covering plate 6b is fitted into a shaft hole 9 provided at the lower end of the connecting body 4.
Is supported by the stop body 10 provided in the above. Further, in order to give the connecting members 4 inward elasticity, the springs 11 for pressing the outer side surfaces 4b of the respective connecting members 4 inward are attached to the upper and lower covering plates 6.
a, 6b. The spring 11 is substantially U
The outer body 11a is supported by the supporting portions 12 and 13 provided on the lower cover plate 6b, and the inner body 11b is brought into contact with the outer surface 4b of the connecting body 4.

The reference numeral 14 designates the dough 15 on the upper cover plate 6a.
It is a pressing plate for holding down (see FIG. 1). 1
Numeral 6 denotes protective bodies attached to both ends of the pressing plate 14 for preventing the material 15 pressed by the pressing plate 14 on the upper cover plate 6a from being damaged.
Reference numeral 17 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 6b.

The upper end fitting 2 allows the rivet 20 to penetrate from the rivet hole 18 provided in the push plate 14 to the rivet hole 19a provided in the peripheral end of the upper cover plate 6a.
Further, the rivet 20 is pierced through a rivet hole 19b provided at a peripheral end of the lower cover plate 6b, and is riveted to a stop plate (not shown) attached to the back side of the backrest 5 of the school bag. In addition, the upper cover plate 6a and the lower cover plate 6b are connected to a rivet hole 10a provided in the stopper 10 of the lower cover plate 6b through a rivet hole 21 provided in the upper cover plate 6a.
The rivet 22 is pierced through the rivet 22 and riveted.

Further, the mounting rings 3, 3 each have a substantially triangular shape, and the oblique sides thereof are belt mounting portions 3a, 3b.
3a, and bent ends 3b, 3b are formed at both ends, respectively, and these bent ends 3b, 3b are
It is assumed that it is attached to each of the connecting members 4 and 4 so as to be freely rotatable. The belt attachment portions 3a, 3a of the attachment rings 3, 3 are formed so as to be inclined upward from the outer bent ends 3b, 3b.

When the backpack having the above-configured shoulder bag upper end mounting device for a backpack of the present invention is carried on the back, as shown in FIG. 5, the left and right shoulder belts 1 are narrowed toward the center. At the same time, the left and right shoulder belts 1 are twisted in a substantially C-shape. Therefore, when the user carries the luggage carrying the shoulder belt 1 in this manner, the shoulder belt 1 follows the inclination from the shoulder to the chest of the user.

Further, in the shoulder strap upper end mounting device for a backpack according to the present invention, the mounting position of the shoulder belt on the mounting rings 3, 3 is determined according to the user's physique within the swinging width of the connecting members 4, 4. As a result, the mounting rings 3 and 3 can be moved in the left and right directions, and the mounting rings 3 and 3 can be maintained in the user's physique by the inward elastic force applied to the connecting bodies 4 and 4.

[0019]

As described above, the shoulder strap upper end mounting device for a backpack according to the present invention is configured as described above, so that the shoulder belt attached to the backpack can be adapted to the user's physique and the shoulder strap can be fitted. Since it was designed to fit around, the carrying bag did not shift, and the user did not feel pressure and stiff shoulders, and the user did not feel tired.

[Brief description of the drawings]

FIG. 1 is a perspective view of a luggage bag provided with a shoulder strap upper end mounting device for a luggage bag according to the present invention as viewed from a backrest portion side.

FIG. 2 is an exploded perspective view of a shoulder strap upper end mounting device for a backpack according to the present invention.

FIG. 3 is a perspective view showing a state in which an upper cover plate of a shoulder belt upper end fitting of a backpack of the present invention is removed.

FIG. 4 is a perspective view of the shoulder belt upper end mounting device of the shoulder bag of the present invention.

FIG. 5 is an explanatory view showing a state in which the shoulder strap upper end mounting device of the present invention is attached to the backrest of the shoulder bag, and left and right shoulder belts are attached to the attachment ring.

FIG. 6 is a perspective view of a conventional shoulder strap upper end attachment for a carrying bag.

FIG. 7 is a perspective view of a conventional luggage bag provided with a shoulder strap upper end mounting device for the luggage bag as viewed from the backrest portion side.

FIG. 8 is an explanatory view showing a state in which a conventional shoulder strap upper end attachment for a carrying bag is attached to a backrest of the carrying bag, and left and right shoulder belts are attached to an attachment ring.

[Explanation of symbols]

 Reference Signs List 3 mounting ring 3a belt mounting part 3b bent end part 4 connected body 4a tooth part

Claims (3)

[Claims] 1. A belt attachment portion (3a, 3a) of a pair of left and right attachment rings (3, 3) is bent to an outer bent end portion (3b, 3b).
A shoulder strap upper end mounting device for a backpack, characterized in that each of the upper and lower belts is formed by inclining as an upward slope. 2. A connecting body (4, 4) to which a pair of left and right mounting rings (3, 3) are mounted is rotatable in the left-right direction, and a belt mounting portion (3) of the mounting rings (3, 3). 3a, 3
a) a shoulder belt upper end mounting device for a backpack, wherein a) is formed by inclining as an upward gradient from the outer bent portions (3b, 3b). 3. Teeth (4a, 4a) on opposite side surfaces of the connecting body (4, 4) to which the mounting rings (3, 3) are mounted.
The teeth (4a, 4a) are meshed with each other to attach the connecting body (4, 4) to the backrest (5) so as to be swingable, respectively, and the connecting bodies (4, 4) are respectively provided inside the connecting body (4, 4). 3. A shoulder strap upper end mounting device for a backpack according to claim 2, wherein elasticity in a direction is provided.