JP2009142485A - Shoulder strap for bag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shoulder strap for bags which has a highly excellent anti-slip function and is capable of exerting a large anti-slip function in a direction in which a slip is unwanted. <P>SOLUTION: An anti-slip member 1 formed of elastic polymer with a JIS-A hardness of 45-80° is configured to be attached to a side of the strap body 2 in contact with the user's body. The anti-slip member 1 is so formed that the surface roughness of a contact surface in contact with the user's body is defined to 30 μm or less. The anti-slip member 1 is formed with a plurality ribs 6 which are bent inversely to the direction being unwanted to slip, on its surface. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a shoulder bag such as a school bag or a rucksack, a shoulder bag such as a student bag or a business bag, and various other shoulder belts for bags.

  Conventionally, as this type of bag shoulder belt, there is a shoulder bag for a school bag as shown in FIGS. This shoulder belt is provided with an detachable annular band 13 composed of a stretchable outer fabric 11 and a breathable cushion material 12 located on the side in contact with the user's body (Patent Document 1). ).

  In such a shoulder belt, since the cushion material 12 is located on the side of the annular belt 13 that contacts the body, shoulder pain when carrying the school bag can be eliminated, and the cushion material 12 is further breathable. Therefore, the annular band 13 is detachable and can be replaced with a new one when the annular band 13 is damaged or dirty.

  Furthermore, as shown in FIGS. 14 and 15, this type of bag shoulder bag includes a shoulder bag for a shoulder bag. As the shoulder belt, there is a shoulder belt in which a plurality of anti-slip members 22 are continuously provided on both surfaces of a substantially central portion of the belt main body 21 with appropriate intervals. The anti-slip member 22 is made of rubber, synthetic resin, or the like, and can be implemented as a rectangular protrusion, a circular protrusion, or other appropriately shaped protrusion (Patent Document 2).

In such a shoulder belt, the degree of bending of the portion where the anti-slip member 22 is continuously provided can be reduced by narrowing or widening the interval of the anti-slip member 22 or by making the width narrower or thicker. Can be adjusted.
JP 2002-282030 A (2nd page, FIG. 2, FIG. 3) Japanese Utility Model Publication No. 61-25824 (first page, FIGS. 1 and 4)

  By the way, in this type of bag shoulder belt, for example, in the back direction of the shoulder of the user, particularly in the shoulder belt of the school bag, in the outer direction of the left and right of the shoulder of the user in the shoulder belt of the shoulder bag. It is necessary to prevent slipping in the direction you do not want to slip.

  However, the conventional bag shoulder belts as shown in FIGS. 12 and 13 have the problem that the anti-slip action is completely insufficient even though the cushioning and breathability are excellent. .

  Furthermore, although the conventional shoulder straps for heels as shown in FIGS. 14 and 15 have an anti-skid action, the anti-skid action is still insufficient, and the user's shoulders in the front-rear direction or the left-right direction. Since there was no particular difference in the anti-slip action in any of the inner and outer directions, there was a problem that a large anti-slip action could not be exerted in the direction where the user did not want to slip.

  Therefore, the present invention solves the above-mentioned conventional problems, has a very excellent anti-slip action, and can exhibit a great anti-slip action in a direction where it is not desired to slip. It was made for the purpose of providing a shoulder belt.

  The shoulder belt for bag according to the present invention is provided with an anti-slip member 1 made of an elastic polymer having a JIS-A hardness of 45 to 80 degrees so as to be in contact with the body of the user of the belt body 2. Yes.

  In the shoulder belt for bag according to the present invention, the surface roughness of the contact surface of the anti-slip member 1 with the user's body is 30 μm or less.

  Furthermore, the bag shoulder belt according to the present invention is formed with a plurality of ribs 6 formed on the surface by bending the anti-slip member 1 in a direction opposite to a direction in which it is not desired to slide.

  In the shoulder belt for bag according to the present invention, the rib 6 is formed with a reinforcing portion 8 having a thick base portion with the plate-like body 7.

  Since the shoulder belt for heels of the present invention is configured as described above, it has a very excellent anti-slip action and exhibits a great anti-slip action in a direction where it is not desired to slip, Can be prevented from being displaced from a position suitable for being carried on the shoulder or on the shoulder, and can be carried on the shoulder without being felt heavy.

  BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the best mode for carrying out the shoulder belt for heel of the present invention will be described in detail based on the drawings.

  The shoulder belt for bag of the present invention is implemented as a shoulder belt for a school bag as shown in FIGS. 1 to 6, for example, or as a shoulder belt for a shoulder bag as shown in FIGS. be able to.

  Each of these shoulder belts is provided with an anti-slip member 1 made of an elastic polymer having a JIS-A hardness of 45 to 80 degrees so that the belt body 2 comes in contact with the user's body. . By setting the hardness of the anti-slip member 1 within such a range, the anti-slip member 1 has an excellent anti-slip action as a shoulder belt for bag.

  Further, the anti-slip member 1 has a surface roughness of a contact surface with the user's body of 30 μm or less. By making the contact surface of the anti-slip member 1 such a surface roughness and setting the hardness of the anti-slip member 1 within the above range, the anti-slip member has a better anti-slipping action as a shoulder belt for bag.

  Examples of the material of the anti-slip member 1 include natural rubber and synthetic rubber. Synthetic rubbers include styrene-butadiene rubber, butadiene rubber, acrylonitrile-butadiene rubber, chloroprene rubber, ethylene-propylene rubber, butyl rubber, acrylic rubber, chlorosulfonated polyethylene rubber, silicone rubber, fluorine rubber, etc. An elastic polymer having a JIS-A hardness of 45 to 80 degrees is selected.

  The shoulder belt shown in FIGS. 1-6 is comprised from the upper-layer body 3a and the lower-layer body 3b, and the cushion material 4 pinched | interposed between these. And the anti-slip | skid member 1 is affixed on the surface of the lower body 3b, or protrudes from the hole 5 formed in the lower body 3b, the periphery is pinched | interposed between the lower body 3b and the cushion material 4, and the lower body 3b Is attached to the belt main body 2 by sewing.

  If the anti-slip member 1 is an elastic polymer having a JIS-A hardness of 45 to 80 degrees, even if it has a smooth contact surface as shown in FIGS. It may have a non-smooth contact surface. Furthermore, it is preferable that the anti-slip member 1 has a plurality of ribs 6 formed on the surface thereof, which are bent in the opposite directions as shown in FIGS.

  The anti-slip member 1 shown in FIGS. 3 and 4 is formed by bending a plurality of ribs 6 downward, and the plurality of ribs 6 are portions behind the portion where the belt body 2 contacts the user's shoulder top. The plurality of ribs 6 are bent downward, and the plurality of ribs 6 are vertically arranged in a portion in front of the portion where the belt main body 2 contacts the shoulder top of the user. It is assumed to be a column arrangement.

  The anti-slip member 1 shown in FIGS. 5 and 6 has a plurality of ribs 6 bent inward, and the plurality of ribs 6 are portions behind the portion where the belt main body 2 contacts the user's shoulder top. The plurality of ribs 6 are bent inwardly, and the plurality of ribs 6 are arranged horizontally on a portion in front of the portion where the belt main body 2 contacts the shoulder top of the user. It is assumed to be a column arrangement.

  In the illustrated example, the rib 6 is bent in a square shape in a direction opposite to the direction in which it is not desired to slide, but may be bent in an arc shape in a direction opposite to the direction in which the rib 6 is not desired to slide. .

  The ribs 6 are arranged as shown in FIGS. 3 and 4, and each of the dimensions is about 1 to 2 cm in length, about 1 to 2 mm in width, and about 1 to 2 in height. 2 mm, the bending angle is about 110 to 130 degrees, and in the state in which a plurality are arranged, the vertical dimension is about 8 to 10 cm, and the horizontal dimension is about 2 to 3 cm. If the rib 6 is configured in this way, when the school bag is carried on the back, the rib 6 comes into contact with the front and back of the shoulder top of the user, and the shoulder belt can be further prevented from slipping and slipping backward in the shoulder. it can.

  The ribs 6 are arranged as shown in FIGS. 5 and 6, and each dimension thereof is about 1 to 2 cm in length, about 1 to 2 mm in width, and about 1 to 2 in height. 2 mm, the bending angle is about 110 to 130 degrees, and in the state in which a plurality are arranged, the vertical dimension is about 8 to 10 cm, and the horizontal dimension is about 2 to 3 cm. If the rib 6 is configured in this manner, when the school bag is carried on the back, the rib 6 comes into contact with the front and back of the user's shoulder and further prevents the shoulder belt from slipping out of the lateral direction of the shoulder. be able to.

  In the shoulder belts shown in FIGS. 7 to 10, the belt body 2 is formed in a single-layer shape made of cloth, leather or the like. Then, the anti-slip member 1 is directly attached to the lower surface of the belt main body 2, or as shown in FIGS. 9 and 10, the belt main body is attached to the belt insertion portions 7 a provided at both ends of the surface of the plate-like body 7. The belt main body 2 is attached by passing 2. The anti-slip member 1 may have a smooth contact surface as shown in FIG. 7 or may have a non-smooth contact surface such as an uneven shape although not shown. Further, the anti-slip member 1 has a plurality of ribs 6 bent toward the center in the longitudinal direction of the surface of the plate-like body 7 that contacts the user's body, as shown in FIGS. They are arranged in two rows from the center to the outside.

  In the illustrated example, the rib 6 is bent in a square shape in a direction opposite to the direction in which it is not desired to slide, but may be bent in an arc shape in a direction opposite to the direction in which the rib 6 is not desired to slide. .

  The ribs 6 are arranged as shown in FIG. 10, and each dimension thereof is about 1-2 cm in length, about 1-2 mm in width, about 1-2 mm in height, The bending angle is about 110 to 130 degrees, and in the state where a plurality are arranged, the vertical dimension is about 8 to 10 cm, and the horizontal dimension is about 2 to 3 cm. If the rib 6 is formed in this way, when the shoulder bag is hung on the shoulder, the rib 6 contacts the front and back of the user's shoulder top, and further prevents the shoulder belt from slipping and shifting in the front-rear direction of the shoulder. can do.

  Although the anti-slip member 1 is not shown to prevent the shoulder belt from slipping out of the shoulder when the shoulder bag is hung on the shoulder, the ribs 6 are not shown. What is necessary is just to be bent toward the inner direction of a shoulder in the width direction of the surface which touches the user's body of the plate-shaped body 7, respectively.

  Further, the rib 6 of the anti-slip member 1 may be formed with a reinforcing portion 8 having a thick base portion with the plate-like body 7. For example, as shown in FIG. 11, the reinforcing portion 8 can be a protruding portion that is widened toward the plate-like body 7 at the base portion with the plate-like body 7. In this case, when the shoulder belt is prevented from slipping and slipping, the rib 1 does not fall down and the contact surface with the user's shoulder is not reduced, and the anti-slip effect is not lowered. .

It is a perspective view which shows one Embodiment at the time of using the shoulder belt for bags of this invention as the shoulder belt for school bags. It is explanatory drawing which shows the attachment method of the anti-slip | skid member to the shoulder belt for bags of this invention shown in FIG. It is a perspective view which shows other embodiment at the time of using the shoulder belt for bags of this invention as the shoulder belt for school bags. It is explanatory drawing which shows the attachment method of the anti-slip | skid member to the shoulder belt for bags of this invention shown in FIG. It is a perspective view which shows other embodiment at the time of using the shoulder bag for bags of this invention as the shoulder belt for school bags. It is explanatory drawing which shows the attachment method of the anti-slip | skid member to the shoulder belt for bags of this invention shown in FIG. It is a perspective view which shows one Embodiment at the time of using the shoulder bag for bags of this invention as a shoulder bag for shoulder bags. It is a perspective view which shows other embodiment at the time of using the shoulder bag for bags of this invention as a shoulder bag for shoulder bags. It is a perspective view which shows the state which looked at the anti-slip | skid member of the shoulder belt for collars of this invention shown in FIG. 8 from the surface side. It is a perspective view which shows the state which looked at the anti-slip | skid member of the shoulder belt for bags of this invention shown in FIG. 8 from the back surface side. It is sectional drawing of the slip prevention member of the shoulder belt for heels of this invention. An example of the conventional shoulder bag for heels is shown and it is a front view of the side which touches the user's body of this shoulder bag for heels. It is sectional drawing of the conventional shoulder bag for heels shown in FIG. The other example of the conventional shoulder bag for heels is shown, and it is a perspective view which shows the state with which this shoulder bag for heels was mounted | worn with the shoulder bag. It is the elements on larger scale of the conventional shoulder bag for heels shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Anti-slip member 2 Belt body 6 Rib 7 Plate-shaped body 8 Reinforcement part

Claims (4)

  An anti-slip member (1) made of an elastic polymer having a JIS-A hardness of 45 to 80 degrees is mounted so as to be in contact with the user's body of the belt body (2). Shoulder belt.   The shoulder belt for heels according to claim 1, wherein the surface roughness of the contact surface of the anti-slip member (1) with the user's body is 30 µm or less.   The shoulder belt for heels according to claim 1 or 2, wherein the anti-slip member (1) is formed with a plurality of ribs (6) bent on the surface opposite to a direction in which it is not desired to slide. .   The shoulder belt for heels according to claim 3, wherein the rib (6) is formed with a reinforcing portion (8) having a thick base portion with the plate-like body (7).

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