JP2004194928A - Back pad member of back-carried type bag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a back pad member of a back-carried type bag with excellent gas permeability. <P>SOLUTION: This back pad member of a back-carried type bag touches the back of a user when carrying the back-carried type bag on the back. There is provided a recessed part 4 extending from one end 2 side to the other end 3 side opposed to one end side of a face 1 contacting the back of the user. The recessed part 4 extends from the left end 2 side to the right end 3 side of the face 1 contacting the back of the user. Moreover, this back pad member is formed by securing an exterior fabric with a hollow projecting to the surface side from the back side formed at the part adjoining the recessed part 4 to a back board with a cushioning material in between. <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 backrest member for a backpack that hits the back of a user when carrying a backpack such as a school bag or a rucksack.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, with respect to a backing bag such as a school bag or a rucksack, there has been a backing member for a backing bag in which a cushion material made of a foam such as a sponge is inserted so that the back can be softened.
[0003]
A conventional back support member of this type has a flat or smooth curved surface that comes into contact with the back of the user so that the entire surface is in contact with the back or a U-shaped raised portion is formed. In some cases, a gap is formed between the back and the inside of the portion (see FIG. 1 of Patent Document 1).
[0004]
However, none of the above-mentioned backrest members have such a structure that air can pass from one end side to the other end side of the surface that comes into contact with the back of the user. There was a problem that the back became stuffy during the stay and the usability deteriorated.
[0005]
In particular, as described in the specification and drawings of Japanese Patent Application No. 2002-347374, which is a prior application of the present application, when the shoulder belt is attached so as to face upward from the school bag main body and the user carries it. In a school bag in which the school bag body is always pulled diagonally upward and the shoulder strap is bent so as to fit the user's shoulder, the backrest member is kept in close contact with the user's back, It is desired to improve the air permeability of the backrest member.
[0006]
[Patent Document 1]
JP-A-6-269310
[Problems to be solved by the invention]
Then, this invention makes it a subject to provide the backrest member of the backpack type bag which was excellent in air permeability.
[0008]
[Means for Solving the Problems]
In order to solve the above problems, the present invention employs the following technical means.
[0009]
The backrest member of the backpack type bag according to the present invention is a backrest member which comes into contact with the back of the user when carrying the backpack type bag, and is opposed to one end 2 of the surface 1 which comes into contact with the back of the user. A recess 4 reaching the other end 3 is provided.
[0010]
The recess 4 may extend from the left end 2 to the right end 3 of the surface 1 that contacts the back of the user.
[0011]
The backing member is formed by fixing an exterior cloth 11 having a recess 14 protruding from the back side to the front side in a portion adjacent to the recess 4 to a back plate 12 with cushioning materials 13a and 13b interposed therebetween. It can be.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0013]
The backing member of the backpack type bag according to the present invention is a backing member which comes into contact with the back of the user when carrying the backpack, and is opposed to the surface 1 contacting the back of the user from one end 2 side. A concave portion 4 reaching the other end 3 side is provided.
[0014]
FIG. 1 is a front view of a backing bag (school bag) provided with a backing member of the backing bag according to the embodiment of the present invention, FIG. 2 is a perspective view thereof, FIG. 3 is a disassembled perspective view of the backing member, FIG. 4 is a sectional view.
[0015]
The backrest member of the backpack-type bag attaches a pair of shoulder belts 5 as shown in FIGS. 1 and 2, for example, with the attachment portions 6 of the shoulder belts 5 facing upward from the school bag body 7. Can be used for school bags. Similar to the school bag described in the specification and drawings of Japanese Patent Application No. 2002-347374, which is a prior application of the present application, this school bag is a pair of left and right connecting members of a mounting tool 9 provided above the backrest 8 of the school bag body 7. A pair of shoulder belts 5 holding an elastic member (not shown) near the attachment part 6 attached to the upper end of the belt 10 in a state where the attachment part 6 of the shoulder belt 5 faces upward from the school bag body 7. It is.
[0016]
In this school bag, the shoulder belt 5 is directed upward from the school bag main body 7 due to the above configuration. When the user carries the bag, the school bag 7 is always pulled obliquely upward. Is bent along the shoulder of the user, so that the backrest 8 is kept in close contact with the back of the user.
[0017]
As shown in FIG. 3, the backrest member includes an exterior cloth 11, a backboard 12, and cushioning materials 13a and 13b. The exterior fabric 11 is formed by laminating a nonwoven fabric on the back surface of an artificial leather fabric made of a square synthetic resin.
[0018]
The back plate 12 is a square plate made of a material having appropriate rigidity such as plastic or veneer. It is desirable that the back plate 12 has elasticity.
[0019]
The cushion members 13a and 13b are composed of two cushion members 13a for raised portions provided at positions to be raised portions, and one square sheet-shaped cushion material 13b covering the entire back surface of the exterior cloth 11. The raised portion cushion material 13a and the sheet-shaped cushion material 13b are both sponges, but are not limited thereto.
[0020]
In the exterior fabric 11, a recess 14 is formed in a portion adjacent to the concave portion 4 so as to protrude from the back surface side to the front surface (the surface 1 that contacts the back of the user). The depression 14 can be formed by embossing the exterior cloth 11 with a heated mold. The exterior fabric 11 formed in this way can freely cross the recess 4 vertically and horizontally.
[0021]
In this backing member, a cushion material 13a for a raised portion is arranged in the recess 14 on the back side of the exterior fabric 11, and the sheet-like cushion material 13b is bonded to the nonwoven fabric on the back surface of the exterior fabric 11 using an adhesive, and Then, it is fixed to the back plate 12 on the surface provided with the sheet-like cushion material 13b. The fixing to the back plate 12 can be performed by an appropriate method such as bonding with an adhesive, sewing, or the like. In this embodiment, the portions shown by dotted lines in FIGS. 1 and 2 are sewn.
[0022]
In this embodiment, a triangular raised portion 15a is provided below a portion for fixing the attachment 9 of the central shoulder belt 5, a small inverted triangular raised portion 15b is provided on the left and right of the upper portion of the triangle, and further, the left end 2 side and the right end 3 A long protruding portion 15c extending from the upper end side to the lower end side is provided on the side, and two concave portions 4 extending from the left end 2 side to the right end 3 side are provided substantially at the center (a portion indicated by a dotted line). Each of the raised portions 15a to 15c has a shape divided by the concave portion 4.
[0023]
Also, a gap between the raised portions 15a, 15b, and 15c (a gap extending from the center of the upper end to the lower end along each of the left and right sides of the raised portion 15a, and a gap along the outer side of the raised portion 15b that merges with the gap). Are configured as recesses 4 extending from the upper end side to the lower end side.
[0024]
Each of the recesses 4 extending from the left end 2 to the right end 3 has a gentle arc shape curved downward, and the distance from the top to the bottom of the triangle is approximately equal to three at the central triangular raised portion 15a. It is provided so that it passes through the position where it does.
[0025]
The recess 4 extending from the left end 2 to the right end 3 is horizontal when the user carries the backpack, so that the direction substantially coincides with the movement of the user and the direction in which the wind flows, ensuring air permeability. Suitable for. Further, the concave portion 4 extending from the upper end side to the lower end side can reduce the contact surface between the exterior material and the user and allow heat to escape, so that the feeling of use of the backpack type bag is further improved.
[0026]
The concave portion 4 may not be curved and may be formed in a straight line, and the position may be appropriately changed. Further, it may be provided obliquely from one corner to a corner opposite to the one corner. Further, the number of the concave portions 4 is not particularly limited.
[0027]
The height difference between the tops of the raised portions 15a to 15c and the bottom of the concave portion 4 is about 1 to 2 cm, and the width of the concave portion 4 is about 5 mm at the bottom and is widened upward, but it is particularly limited to this. Not done.
[0028]
The raised portion cushion material 13a is provided so as to fit into the depressions 14 corresponding to the upper two portions of the central triangular raised portion 15a divided into three by the concave portion 4, and the back surface thereof is a sheet-like cushion. The material 13b is entirely contacted with no gap.
[0029]
In addition, since the lowermost portion of the divided raised portion 15a and the depression 14 corresponding to the other raised portions 15b and 15c are not provided with the raised portion cushioning material 13a, as shown in FIG. There is a region having a gap 16 between the exterior cloth 11 and the back plate 12.
[0030]
In addition, by placing the cushion material 13a for the raised portion having a shape in which the back surface side is hollowed out at the bottom of the divided raised portion 15a and the other raised portions 15b and 15c, A region having a space 16 may be formed between 11 and the back plate 12.
[0031]
The raised portion in which the region having the gap 16 exists softly hits the user's back by the gap 16 more than the raised portion in which the region having the cushioning material 13a for the raised portion exists.
[0032]
The cushioning material may be configured to use only one of the raised portion cushioning material 13a and the sheet-shaped cushioning material 13b, or may be configured to not use the cushioning materials 13a and 13b.
[0033]
In the backrest member of this backpack type bag, a gap is formed between the backrest member and the user's back due to the concave portion 4 and air permeability is improved, so that the back is less likely to be stuffy and the cushion material 13a for the raised portion is provided. The raised portion in which the region having the space 16 between the exterior cloth 11 and the back plate 12 where the is not disposed is softer against the user's back than the raised portion cushioning material 13a due to the space 16, Even when in close contact with the user's back for a long time, it is difficult for the user to feel pain.
[0034]
【The invention's effect】
The backrest member of the backpack type bag according to the present invention has the above-described configuration, and is provided at a portion where the concave portion 4 is provided from the one end 2 side to the other end 3 side of the surface 1 contacting the user's back. Therefore, a gap is formed between the user and the back of the user, and the air permeability is excellent.
[Brief description of the drawings]
FIG. 1 is a front view of a backpack (school bag) provided with a backrest member for a backpack according to an embodiment of the present invention.
FIG. 2 is a front view of a backpack (school bag) provided with a backrest member of the backpack according to the embodiment of the present invention.
FIG. 3 is an exploded perspective view of a backrest member of the backpack type bag according to the embodiment of the present invention.
FIG. 4 is a sectional view of a backrest member of the backpack type bag according to the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 The surface which contacts a user's back 2 One end 3 The other end 4 Concave part 11 Outer cloth 12 Backboard 13a, 13b Cushion material 14 Depression

Claims (3)

A backrest member that contacts the back of the user when carrying the backpack, and from one end (2) side to the other end (3) side opposed to the surface (1) contacting the back of the user; A backrest member for a backpack-type bag, characterized by having a concave portion (4) extending therefrom. The backrest member of a backpack type bag according to claim 1, wherein the recess (4) extends from the left end (2) side of the surface (1) contacting the user's back to the right end (3) side. An exterior fabric (11) having a recess (14) projecting from the back side to the front side at a portion adjacent to the recess (4) is fixed to the back plate (12) with the cushioning materials (13a) and (13b) interposed therebetween. A backrest member for a backpack type bag according to claim 1 or 2.

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