bag

Abstract

We offer bags with shoulder straps that can be easily adjusted by anyone. [Solution] The bag comprises a bag body 1 and shoulder straps 2R and 2L. The shoulder straps 2R and 2L have a one-sided belt 8 attached to one side of the bag body 1 and a other-sided belt 9 attached to the other side of the bag body 1. A single string 10 is passed through the ends of the one-sided belt 8 and the other-sided belt 9, and both ends of the string 10 are passed through a stopper 11 to secure them together. The length of the shoulder straps 2R and 2L can be adjusted by adjusting the length of the looped portion of the string 10.

Description

Technical Field

[0001] The present invention relates to bags such as rucksacks.

Background Art

[0002] A shoulder strap of a conventional rucksack is configured such that the length thereof can be adjusted by passing a belt extending from below in a folded-back manner through a metal fitting (adjustment buckle) provided at the tip end of a belt extending from above. In such a conventional method, it is difficult for children and elderly people to understand how to adjust the length, and sometimes they cannot adjust it properly.

Summary of the Invention

Problem to be Solved by the Invention

[0003] In view of the circumstances described above, an object of the present invention is to provide a bag in which anyone can easily adjust the length of a shoulder strap.

Means for Solving the Problem

[0004] In order to achieve the above object, the bag according to the invention of claim 1 comprises a bag body and a shoulder strap, the shoulder strap has one side belt attached to one side of the bag body and the other side belt attached to the other side of the bag body, one string is passed through the tip end of the one side belt and the tip end of the other side belt, then both ends of the string are passed together through a stopper, and the length of the shoulder strap can be freely adjusted by adjusting the length of the looped portion of the string.

[0005] A bag according to the invention of claim 2, in addition to the features of the invention of claim 1, is characterized in that the stopper can be stored in the tip end of the one side belt or the tip end of the other side belt.

Effect of the Invention

[0006] The bag according to claim 1 comprises a bag body and a shoulder strap, the shoulder strap having one side belt attached to one side of the bag body and the other side belt attached to the other side of the bag body, a single string is passed through the ends of the one side belt and the other side belt, and both ends of the string are passed through a stopper and bundled together, the length of the shoulder strap can be adjusted by adjusting the length of the looped part of the string, so that it is immediately obvious to anyone how to adjust the length of the shoulder strap, and therefore anyone can easily adjust the length of the shoulder strap.

[0007] The bag according to claim 2 has an improved design because the stopper can be stored in the tip of one belt or the tip of the other belt. [Brief explanation of the drawing]

[0008] [Figure 1] (a) is a rear view showing one embodiment of the bag of the present invention, and (b) is a side view thereof. [Figure 2] This is a rear view of the bag, showing a hand inserted into the opening. [Figure 3] This is a rear view of the bag, showing the opening widened to the left and right. [Figure 4] This is a rear view of the bag, showing the opening widened by opening the zippers on the top and bottom edges of the right side of the fabric. [Figure 5] The diagram shows the fabric on the side that touches the back, with (a) showing the right and left fabrics separated to the left and right, and (b) showing the right and left fabrics attached to the bag. [Figure 6] This is a front view showing how to adjust the length of the shoulder straps. [Figure 7] This is a front view showing another embodiment of the shoulder strap length adjustment mechanism. [Figure 8] This diagram shows the transition from carrying the bag on your back to holding it in front of your body. [Modes for carrying out the invention]

[0009] The embodiments of the present invention will now be described with reference to the drawings. Figures 1 to 4 show an embodiment of the bag of the present invention, which is an example of its application to a backpack. As shown in Figure 1, this backpack comprises a bag body 1 that is substantially rectangular in shape and a pair of shoulder straps 2R, 2L connected to the bag body 1. This backpack is substantially symmetrical both vertically and horizontally.

[0010] As shown in Figures 1 and 5, the bag body 1 has a fabric on the side that touches the back that is divided into a right fabric 3R and a left fabric 3L, and has an opening 4 between the right fabric 3R and the left fabric 3L for putting things in and taking them out. As shown in Figure 5(a), the right cloth 3R has a vertical edge 5a on the lower half of its left edge and an extension 6a that extends to the left in a roughly semicircular shape on the upper half of its left edge. The left cloth 3L has a vertical edge 5b on the upper half of its right edge and an extension 6b that extends to the right in a roughly semicircular shape on the lower half. As shown in Figure 1, the surface of the right cloth 3R is provided with a zippered pocket 12 for storing commuter passes, cards, etc.

[0011] When installed, as shown in Figures 1 and 5(b), the vertical edges 5a of the right fabric 3R and 5b of the left fabric 3L are aligned in a straight line, the extension 6a of the right fabric 3R overlaps the back side of the left fabric 3L, and the extension 6b of the left fabric 3L overlaps the back side of the right fabric 3R, with the extension 6a of the right fabric 3R and the extension 6b of the left fabric 3L being adjacent vertically. As a result, the opening 4 of the bag body 1 is closed.

[0012] Furthermore, as shown in Figure 1, zippers 7a, 7b, 7c, and 7d are provided on the upper and lower edges of the right fabric 3R and the upper and lower edges of the left fabric 3L, respectively. When zippers 7a, 7b, 7c, and 7d are closed, the sliders 13 of zippers 7a and 7c, and 7b and 7d on the left and right sides are adjacent to each other in the center.

[0013] As shown in Figure 1, the bag body 1 has a handle 14 on the top surface and pockets 17 on the left and right sides for holding PET bottles, etc. The pockets 17 have openings 17a facing each other at the top and bottom of the sides.

[0014] As shown in Figure 1, the shoulder straps 2R and 2L are attached to rings 15, 15 located on the upper and lower edges of the back of the bag body 1. The shoulder straps 2R and 2L each have an upper belt 8 whose end is connected to the upper ring 15, a lower belt 9 connected to the lower ring 15, and a length-adjusting cord 10 connecting the end of the upper belt 8 and the end of the lower belt 9, and are symmetrical in shape. The cord 10 is passed through the ends of the upper belt 8 and the lower belt 9, and both ends are then passed through the stopper 11 to secure it. The stopper 11 is a commercially available spring-type cord stopper, and pressing the button 16 releases the cord 10 from being held in place.

[0015] As shown in Figure 6, the overall length of the shoulder straps 2R and 2L can be easily adjusted by adjusting the length of the looped portion of the strap 10. Due to this structure, it is immediately obvious to anyone how to adjust the length of the shoulder straps 2R and 2L, and even children and the elderly can adjust the length of the shoulder straps 2R and 2L themselves.

[0016] Figure 7 shows another embodiment of the length adjustment section for the shoulder straps 2R and 2L. In this embodiment, the stopper 11 is in the shape of a thin cylinder, and as shown in Figure 7(b), the stopper 11 can be stored in a portion of the upper belt 8 or lower belt 9 through which the string 10 passes. This makes the length adjustment section for the shoulder straps 2R and 2L look neater.

[0017] As described above, this backpack has an opening 4 only on the side that touches the back (see Figure 1), and when worn on the back, the opening 4 is hidden against the back, and there are no openings on the other sides, making it difficult for a third party to access the inside of the bag 1, thus providing excellent security. On the other hand, in the present rucksack, since the opening 4 is not closed by a fastener or the like, an object can be taken in and out while the rucksack is carried on the back by turning one hand to the back while being carried on the back and inserting the hand into the opening 4 from the side as shown in Figure 2. Further, when the rucksack is removed from the back, an object can be taken in and out by opening the opening 4 as shown in Figure 3 by pulling the left edge of the right fabric 3R toward the right side and pulling the right edge of the left fabric 3L toward the left side. Furthermore, as shown in Figure 4, by opening the upper and lower fasteners 7a, 7b of the right fabric 3R, the upper and lower fasteners 7c, 7d of the left fabric 3L, or the upper and lower fasteners 7a, 7b, 7c, 7d of both the right fabric 3R and the left fabric 3L, the opening 4 can be opened widely, so that objects can be taken in and out even more easily. Moreover, in the present rucksack, since the extending portion 6a of the right fabric 3R overlaps the back side of the left fabric 3L, and the extending portion 6b of the left fabric 3L overlaps the back side of the right fabric 3R (see Figure 1), objects contained therein do not fall out even when the surface that abuts against the back is placed downward.

[0018] In crowded trains and the like, it is recommended to hold a rucksack in front of the body. The present rucksack is vertically symmetrical, and the opening 4 is provided on the surface that abuts against the back, so that the rucksack can be shifted from a state of being carried on the back to a state of being held in front of the body without being placed on the floor. Figure 8(a) shows a state where the rucksack is carried on the back. From this state, as shown in Figure 8(b), one shoulder belt 2L is removed from the shoulder, and the bag body 1 is turned upside down and brought to the front of the body. Thereafter, as shown in Figure 8(c), the removed shoulder belt 2L is put on the shoulder again. As described above, the present rucksack can be shifted from a state of being carried on the back while being hung on the shoulders to a state of being held in front of the body by being turned upside down. Since pockets 17 are provided vertically symmetrically on the side surfaces of the rucksack, PET bottles and the like put in the pockets 17 do not fall out.

[0019] As described above, this bag (rucksack) comprises a bag body 1 and a pair of shoulder straps 2R, 2L. The bag body 1 has a fabric on the side that touches the back that is divided into a right fabric 3R and a left fabric 3L, with an opening 4 between the right fabric 3R and the left fabric 3L. The right fabric 3R has a vertical edge 5a on its left edge and an extension 6a located on either the upper or lower side of the vertical edge 5a and extending toward the left. The left fabric 3L has a vertical edge 5b on its right edge and a vertical edge 5 b has an extension 6b that is located on either the upper or lower side of b and extends to the right, with the vertical edge 5a of the right cloth 3R and the vertical edge 5b of the left cloth 3L aligned in a straight line, the extension 6a of the right cloth 3R overlapping the back of the left cloth 3L, and the extension 6b of the left cloth 3L overlapping the back of the right cloth 3R (see Figures 1 and 5). As a result, there are no openings other than the side that touches the back, providing excellent security, and the user can easily put things in and take them out by reaching into the opening 4. Moreover, because the extension 6a of the right cloth 3R overlaps the back of the left cloth 3L, and the extension 6b of the left cloth 3L overlaps the back of the right cloth 3R, the items placed inside will not fall out even when the side that touches the back is facing downwards. Furthermore, this bag has zippers 7a, 7b, 7c, and 7d on at least one of the upper and lower edges of the right fabric 3R and the upper and lower edges of the left fabric 3L (see Figures 1 and 4). By opening the zippers 7a, 7b, 7c, and 7d, the opening 4 opens wider, making it even easier to put things in and take them out.

[0020] This bag (backpack) consists of a bag body 1 and shoulder straps 2R and 2L. The shoulder straps 2R and 2L have a one-sided belt (upper belt) 8 attached to one side of the bag body 1 and a other-sided belt (lower belt) 9 attached to the other side of the bag body 1. A single string 10 is passed through the ends of the one-sided belt 8 and the other-sided belt 9, and both ends of the string 10 are passed through a stopper 11 to secure them together. By adjusting the length of the looped portion of the string 10, the length of the shoulder straps 2R and 2L can be freely adjusted (see Figures 1 and 6). It is immediately obvious to anyone how to adjust the length of the shoulder straps 2R and 2L, making it easy for anyone to adjust the length of the shoulder straps 2R and 2L. Furthermore, since the stopper 11 of this bag can be easily stored at the end of either the belt 8 on one side or the end of the belt 9 on the other side (see Figure 7), the design can be improved.

[0021] The present invention is not limited to the embodiments described above. The shape and material of the bag body and shoulder strap can be changed as appropriate. The material and thickness of the strap, the structure and form of the stopper, etc., are not limited. The present invention is not limited to backpacks, but can be applied to various bags having a bag body and shoulder strap, such as shoulder bags. [Explanation of Symbols]

[0022] 1. Bag body 2R, 2L Shoulder Straps 3R right cloth 3L left cloth 4 openings 5a,5b Vertical edge 6a, 6b Extension 7a, 7b, 7c, 7d zippers 8. Upper belt (one-sided belt) 9. Lower belt (other side belt) 10 strings 11 Stopper

Claims

1. The bag comprises a bag body and a shoulder strap, the shoulder strap having one side belt attached to one side of the bag body and the other side belt attached to the other side of the bag body, a single string passed through the ends of the one side belt and the other side belt, and both ends of the string passed through a stopper to secure them together, and the length of the shoulder strap can be freely adjusted by adjusting the length of the looped portion of the string.

2. The bag according to claim 1, characterized in that the stopper can be retracted into the tip of one belt or the tip of the other belt.

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