JP2003000342A - Strap for backpack and backpack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a backpack which has simple structure and is easily assembled and manufactured at low cost. SOLUTION: A first shoulder strap 10A has an upper shoulder strap 11 whose one end is equipped with a hook 12 engageable with an attaching part 2 equipped on the upper part of the backpack main body 1 and on which one 14 of engaging tools 14 engageable with the lower end part of the upper shoulder strap 11 is equipped. One end of the long size lower shoulder strap 13 is fixed to the lower end of the upper shoulder strap 11. The lower shoulder strap 13 is inserted through a hook 15 engageable with an attaching part 13A equipped on the lower end part of the backpack main body 1 and then inserted through a strap hook part of the other 14b of the engaging tool 14 to create friction engagement. A second shoulder strap 10B is constituted same as the first shoulder strap 10A. One of the second engaging tools is attached to the lower end part of either one of a pair of the upper shoulder straps 1A, 10B and the other of the second engaging tools is attached to the lower end of the other upper shoulder strap via a band strap.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a strap for a backpack and a backpack.

[0002]

2. Description of the Related Art Conventionally, when taking out items stored in a backpack, the backpack can be brought to the front side of the body without lowering the backpack, and conversely, the backpack on the front side of the body. As a strap for a shoulder strap and a shoulder strap that can easily carry the main body, for example, Japanese Patent No. 2938356.
Japanese Patent No. 2938383 and Japanese Patent No. 2938383 are known.

According to this structure, a first hook which is detachable from a mounting portion on the upper part of the bag body is provided at one end of the upper shoulder strap, and one of the detachable engaging and disengaging tools is attached to a lower end portion of the upper shoulder strap. Also, one end of a long adjusting string is fixed to the lower end of the upper shoulder strap, and this adjusting strap can be attached to and detached from the other of the adjusting tool and the engaging / disengaging tool, and the attaching part of the adjusting tool and the lower part of the bag body. It is inserted through the second hook one by one and further through the string hook portion of the adjusting tool for frictional engagement.

[0004]

The above-mentioned prior art requires an adjusting tool, so that the number of parts is increased, and the adjusting string is provided on the other side of the adjusting tool and the engaging / disengaging tool, and on the lower part of the adjusting tool and the bag body. On the other hand, it is necessary to assemble the strap for the backpack by inserting it through the detachable second hook in order and then inserting it into the strap hook part of the adjustment tool. There was a problem of becoming.

An object of the present invention is to provide a strap for a backpack and a backpack which have a simple structure, are easy to assemble, and can reduce the cost.

[0006]

Means for Solving the Problems A strap for a backpack according to the present invention for solving the above problems comprises a pair of straps for a backpack, and a first strap for a backpack is provided on an upper portion of a backpack body. A first hook detachably attached to the attached mounting portion is provided at one end of the upper shoulder strap, and one of the first detachable engaging and disengaging tools is provided at a lower end portion of the upper shoulder strap; One end of a long lower shoulder strap is fixed to the lower end of the strap, and the lower shoulder strap is inserted into a second hook that is detachable with respect to a mounting portion provided at the bottom of the backpack body, and then the 1
The second strap for straps is the same as the strap for the first shoulder strap, or the upper shoulder strap. A first hook is provided at one end of the upper shoulder strap, an adjusting tool is fixed to the lower end portion of the upper shoulder strap through a connecting band, and a second hook is attached to one end of the lower shoulder strap that is inserted through the adjusting tool and frictionally engaged. A hook is fixed, and one end of an upper shoulder strap of one of the pair of shoulder straps is attached to one end of a second engaging / disengaging tool via a band strap, and the other upper shoulder strap. The other end of the second engagement / disengagement tool is attached to the lower end of the second attachment via a band string.

A first backpack according to the present invention for solving the above-mentioned problems is characterized in that the first and second hooks of the strap for the backpack are attached to the upper and lower mounting portions of the main body of the backpack. And

A second backpack according to the present invention for solving the above-mentioned problems is a backpack with a pair of backpack straps attached, wherein one of the first backpack straps is attached to an upper portion of the backpack main body. One end of the upper shoulder strap is fixed, one of the first engaging and disengaging tools is provided at the lower end of the upper shoulder strap, and one end of a long lower shoulder strap is attached to the lower end of the upper shoulder strap. After being fixed, the lower shoulder strap is inserted into the attachment portion provided in the lower portion of the backpack body, and then inserted into the other strap hook portion of the first engaging / disengaging tool to be frictionally engaged, and the other second strap The strap for the backpack is constructed in the same manner as the first strap for the backpack and attached to the main body of the backpack, or one end of the upper shoulder strap is fixed to the upper part of the main body of the backpack, and the lower end of the upper shoulder strap is The adjustment tool is secured to the section via the connecting band, and the adjustment tool is inserted through this and frictionally engaged. One end of the shoulder strap is fixed to the lower part of the backpack main body, and one of the second engaging / disengaging tools is attached to the lower end of the upper shoulder strap of one of the pair of back straps via a band strap. , On the lower end of the other upper shoulder strap,
The other of the second engaging / disengaging tools is attached via a band string.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 5, the bag body 1
The upper part of the back strap 10 shown in FIGS. 3 and 4
A mounting portion 2 including a ring portion for detachably mounting the upper portions of A and 10B is provided. On the left and right of the lower portion of the bag body 1, there are provided attachment portions 3A and 3B to which the lower portions of the straps 10A and 10B for backpacks are detachably attached. As for the mounting portions 3A and 3B, the rings 4A and 4B are mounting bands 5A,
It is attached to the lower portion of the bag body 1 via 5B.

FIG. 3 shows the strap 10A for one backpack, and FIG. 4 shows the strap 10B for the other backpack. Since the straps for backpack 10A and 10B have the same structure, the same members and portions will be described with the same reference numerals. Upper shoulder strap 1
A well-known hook 12 is attached to the upper end of 1.
One of the well-known detachable engaging / disengaging tools 14a is attached to the lower shoulder side surface of the upper shoulder strap 11 via a long lower shoulder strap 13 whose one end is fixed to the upper shoulder strap 11. Installed. The other end side of the lower shoulder strap 13 is inserted into the strap attaching portion 15a of the well-known hook 15, and then is inserted into both sides of the strap hooking portion 14c of the other end 14b of the engaging / disconnecting tool 14 and folded back. The portion of the lower shoulder strap 13 hung on the strap hooking portion 14c frictionally engages with the strap hooking portion 14c.

Band straps 16A and 1A are provided on the lower end sides of the upper shoulder straps 11 of the straps 10A and 10B, respectively.
One end of 6B is fixed. One end 17a of the engaging / disengaging tool 17 is fixed to the other end of the band string 16A. The other end of the band string 16B is inserted and folded back on both sides of the string hooking part 17c of the other 17b of the engaging / disconnecting device 17. The portion of the band string 16B hung on the string hanging portion 17c frictionally engages with the string hanging portion 17c. Note that FIG.
In (b) and FIG. 4 (b), the band string 16A,
16B and engagement / disengagement tool 17 (17a, 17b) are not shown.

Therefore, as shown in FIG. 1, the hook 12 of the strap 10A for the backpack is attached to the attaching portion 2 and the hook 1
Attach 5 to ring 4A. Although not shown, the hook 12 of the strap 10B for a backpack is attached to the attachment portion 2, and the hook 15 is attached to the ring 4B shown in FIG. In this state, the bag body 1 is carried on the back. And the engagement / disengagement tool 1 attached to the band cords 16A and 16B shown in FIGS.
Stop 7. Therefore, by pulling one end 13a of the lower shoulder strap 13 or raising the engaging / disengaging tool 14 upward, the length of the lower shoulder strap 13 between the engaging / disengaging tool 14 and the hook 15 can be freely adjusted. As a result, the lengths of the straps 10A and 10B for backpacks can be freely adjusted to be optimal for the user. This state is shown in FIG.

When taking out a stored item from the bag body 1 carried on the back, the engaging / disengaging tool 14 (14a, 14b) of either one of the straps 10A, 10B for carrying the backpack is separated. FIG. 2 shows a case where the engagement / disengagement tool 14 of the strap 10A for a backpack is separated. As a result, the lower shoulder strap 13 of the strap 10A for the backpack, which is hung on the left shoulder, can be extended until the other 14b of the engagement / disengagement tool 14 comes into contact with the hook 15, and becomes a long shoulder strap. Therefore, the detached engagement / disengagement tool 1
The arm on the 4th side, in this case the left arm, is dipped into the backpack strap 10A and pulled out, and the other backpack strap 10B is pulled to move the bag body 1 to the front side of the body, and the right arm is moved to the backpack strap 10A. Pass through. By this operation, the strap for the backpack 1
When the upper shoulder strap 11 of 0A is pulled, the portion of the lower shoulder strap 13 hanging from the hook 15 extends and becomes a long shoulder strap. Therefore, as shown in FIG. 1 can be moved to the front of the body. As a result, the other strap 10A for backpack is hung on the right shoulder, and the straps 16A and 16B are wrapped around the neck, so that the posture of the bag body 1 is stable and the stored items of the bag body 1 can be easily taken out with both hands. You can

The above description has been made on the case where the engaging / disengaging device 14 of the strap 10A for the backpack which is hung on the left shoulder is separated. It goes without saying that the same can be done when the engaging / disengaging device 14 of the strap 10B for a backpack hung on the right shoulder is separated. That is, the present embodiment can be applied to both left-handed and right-handed persons.

In the above-described embodiment, the pair of backpack straps 10A and 10B have the same structure. However, one of them, for example, the backpack strap 10B is configured as a backpack strap 10C shown in FIG. May be. That is, the upper shoulder strap 11
The hook 12 is attached to the upper end of the upper shoulder strap 11
An adjusting tool 21 is fixed to the lower part of the lower part of the lower part through a connecting band 20, and the lower shoulder strap 1 is inserted through the adjusting tool 21 and frictionally engaged.
A hook 15 is attached to one end of 3.

Also in the case of the present embodiment, the bag body 1 can be moved to the front side of the body, as in the above-mentioned embodiments. However, in the case of the present embodiment, one of the pair of backpack straps is the backpack strap 10A shown in FIG. 3 and the other is the backpack strap 10C shown in FIG. Since the engagement / disengagement tool 14 of the string 10A is separated, it can be applied only to a right-handed person. In order to apply to a left-handed person, one of the pair of backpack straps, one of which is the backpack strap 10B shown in FIG. 4, the other is the backpack strap 10C shown in FIG. 7, and the band strap 1
6B and the other 17b of the engagement / disengagement tool 17 are set in the opposite directions from the illustrated state.

FIG. 8 shows another embodiment of the backpack according to the present invention. In the above-described embodiment, the straps 10A and 10B for the backpack are detachably attached to the bag body 1. In this embodiment, the hooks 12 and 15 of the above embodiment are removed,
The straps 10A and 10B for backpacks are integrally attached to the bag body 1. That is, the strap 10A for the backpack,
10B is such that the upper ends of the respective upper shoulder straps 11 are directly fixed to the upper portion of the bag body 1, and the hooks 12 shown in FIG.
The portion of the lower shoulder strap 13 inserted through 15 directly connects to the ring 4
It is inserted through A and 4B. Even with this configuration, the bag body 1 can be moved to the front side of the body as in the above-described embodiment.

In this way, the straps 10A for backpacks, 10
B has a simple structure including the engagement / disengagement tool 14, and the number of parts can be reduced. Also, the lower shoulder strap 13 is inserted through the hook 15 or the rings 4A, 4B, and then the other one
The assembly cost can be reduced because it is assembled by being inserted into the string hook portion 14c of 4b and frictionally engaged therewith. Further, the lower shoulder strap 13 (adjustment strap in the conventional example) may be much shorter than the conventional one. Due to these, the cost can be significantly reduced as compared with the conventional example.

Incidentally, some backpacks are provided with a waist belt 30 as shown in FIG. 9 (a). The waist belt 30 includes waist straps 31A and 31B attached to the lower portion of the bag body 1, and engaging / disengaging tools 32 (32) attached to the waist straps 31A and 31B.
a, 32b). Here, the waist strap 31A is inserted and folded back on both sides of the string hooking portion (not shown) of one of the engaging / disengaging tools 32 32a, and the waist strap 31B is fixed to the other 32b of the engaging / disengaging tool 32 or the other 32.
Some of them are inserted and folded back on both sides of the strap portion (not shown) of b. As described above, in the backpack having the waist belt 30, in order to move the bag body 1 on the back to the front side of the body, not only the engaging / disengaging tool 14 is separated, but also the engaging / disengaging tool 32 is separated or the waist straps are separated. 31
It is necessary to loosen A and 31B into a large ring.

Therefore, in the present embodiment, the same engaging / disengaging tool 32 as the engaging / disengaging tool 14 is used, and one of the engaging / disengaging tools 32, 32a, which is the same as 14a of the engaging / disengaging tool 14, is attached to the waist strap 3.
Attach to 1A. With this configuration, when the bag body 1 is carried on the back, as shown in FIG.
And the other side 14b of the engaging / disengaging tool 14 of the strap 10A for the backpack is stopped on one side 32a of the engaging / disengaging tool 32. Then, the bag body 1 can be brought into close contact with the back by pulling one end of the lower shoulder strap 13 of the strap 10A for a backpack. As a result, the strap 10A (strap belt) for a backpack also serves as a waist belt, and the bag body 1 can be comfortably carried on the back, as in the conventional backpacks. Also, the other 14b of the engagement / disengagement tool 14 and one 3 of the engagement / disengagement tool 32.
The bag body 1 can be easily carried out with a small number of operations for separating the bag body 2a.
Can be easily moved to the front of the body.

The above is a case of a right-handed person, because one of the engaging / disengaging tools 32, 32a, is connected to the other 14b of the engaging / disengaging tools 14 of the strap 10A. In order to be applicable to a left-handed person, it is necessary to reverse the arrangement of the engaging / disengaging device 32, 32a and 32b.

In each of the above embodiments, the upper shoulder strap 1
Although one end of the lower shoulder strap 13 is fixed to the lower end of 1, the upper shoulder strap 11 and the lower shoulder strap 13 may be formed by one strap. That is, one end of the lower shoulder strap 13 is connected to the upper shoulder strap 1
Extend the length of 1 and hook 1 at the end of the lower shoulder strap 13.
2 is attached or the end portion of the lower shoulder strap 13 is directly fixed to the bag body 1.

[0023]

According to the structures of claims 1 and 3 of the present invention, the structure is simple, the assembly is easy, and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a right side view showing an embodiment of a backpack according to the present invention.

FIG. 2 is a right side view showing a state in which the engagement / disengagement tool is removed.

FIG. 3 shows one embodiment of the strap for a backpack according to the present invention, (a) is a front view and (b) is a side view.

FIG. 4 shows another embodiment of the strap for a backpack according to the present invention, in which (a) is a front view, (b) is a side view, and (c) is a bottom view of a part of the band cord.

FIG. 5 is a perspective view showing an embodiment of a backpack body.

FIG. 6 is an explanatory diagram of a usage state.

FIG. 7 shows another embodiment of the strap for a backpack according to the present invention, (a) is a front view and (b) is a side view.

FIG. 8 is a right side view showing another embodiment of the backpack according to the present invention.

FIG. 9 is an explanatory diagram of a usage state of another embodiment.

[Explanation of symbols]

1 bag body 2, 3A, 3B mounting part 4A, 4B ring 5A, 5B mounting band 10A, 10B, 10C Strap for backpack 11 Upper shoulder strap 12 hooks 13 Lower shoulder strap 14 Engagement device 15 hooks 16A, 16B band string 17 engagement / disconnection 20 connection belt 21 Adjustment tool

Claims (4)

[Claims] 1. A pair of straps for a backpack, wherein the first strap for a backpack has a first hook detachably attached to a mounting portion provided on an upper portion of a main body of the backpack. The upper shoulder strap has a lower end portion provided with one of the detachable first engaging / disengaging tools, and one end of a long lower shoulder strap is fixed to the lower end portion of the upper shoulder strap. After the string is inserted into the second hook that is detachable from the attachment portion provided at the lower portion of the backrest body, it is inserted into the other hook portion of the first engaging / disengaging tool and frictionally engaged. The second strap for straps is configured the same as the first strap for straps, or a first hook is provided at one end of the upper shoulder strap and connected to the lower end of the upper shoulder strap. The adjusting tool is fixed through the band, and the second shoulder is attached to one end of the lower shoulder strap which is inserted through the adjusting tool and frictionally engaged. The upper and lower shoulder straps of one of the pair of shoulder straps are attached with one of the second engaging and disengaging tools via a band strap and the other upper shoulder strap. A strap for a backpack, wherein the other end of the second engagement / disengagement tool is attached to the lower end of the strap via a band strap. 2. A backpack according to claim 1, wherein the first and second hooks of the pair of backpack straps are attached to upper and lower mounting portions of the backpack main body. 3. A backpack with a pair of backpack straps attached, wherein one first backpack strap has one end of an upper shoulder strap fixed to an upper portion of a backpack main body, and a lower end of the upper shoulder strap. One of the first detachable engaging and disengaging tools is provided at the portion, one end of the long lower shoulder strap is fixed to the lower end of the upper shoulder strap, and the lower shoulder strap is provided at the lower portion of the backpack main body. After being inserted through the attached mounting portion, the second engaging strap is inserted into the other strap engaging portion of the first engaging / disengaging tool to be frictionally engaged, and the other second strap for straps is the strap for the first straps. The same construction as the above is attached to the body of the shoulder strap, or one end of the upper shoulder strap is fixed to the upper portion of the shoulder strap main body, and the adjusting tool is fixed to the lower end of the upper shoulder strap via a connecting band,
One end of the lower shoulder strap, which is inserted through the adjusting tool and frictionally engaged, is fixed to the lower portion of the backpack main body, and a band strap is attached to a lower end portion of one of the pair of backpack straps. One of the second engaging / disengaging tools is attached via the strap, and the other of the second engaging / disengaging tools is attached to the lower end of the other upper shoulder strap via the band strap. 4. The strap for a backpack or the backpack according to claim 1, wherein the upper shoulder strap comprises the lower shoulder strap itself obtained by extending one end of the lower shoulder strap.