JP2001032122A - Waist adjusting tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waist adjusting tool having a reduced number of parts, having a simple structure, not requiring an assembly, reducing a cost and having a simple adjustment operation. SOLUTION: A great number of adjustment protrusion parts 8 are protrusively arranged on the surface of an adjustment belt 1. A slider 2 is provided with an insertion part 10 capable of passing the adjustment belt 1 right and left. Seizure protrusion parts 14 to be engaged with the adjustment parts 8 when the adjustment belt 1 is inserted into the upper side in the insertion part 10 are formed at both sides of the inside of a through hole 13 made on a back plate 12. A surface plate 11 is provided with fixing holes enlarged at the inner side. A fixing tool 3 is equipped with fitting pillars 24 to be inserted into the fixing holes and crushed on the back of a cap 23. The fitting pillars 24 are passed into a waist belt 5 and crushed in the fixing holes to fix the slider 2. The slider 2 is inserted into the waist belt 1. The adjustment belt 1 is fitted to the waist belt 5. In the adjustment operation, the slider is moved downward together with the waist belt, engagement is released, the adjustment is carried out, the slider is returned to the original position and engagement is performed to practice the adjustment.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waist adjuster generally referred to as a waist adjuster or a belt adjuster, which can easily adjust the length of a waist belt in clothes such as beltless trousers and skirts.

[0002]

2. Description of the Related Art A conventional waist adjuster is, for example, shown in FIG.
As shown in 8, the adjustment belt is composed of an adjustment belt, a slider, an operating piece, a spring, and a mounting fixture. The adjustment belt has a large number of adjustment protrusions on the surface thereof, and the slider has a cavity through which the adjustment belt can be inserted left and right. The operating piece is provided with an insertion portion in which an operation piece that moves up and down is inserted and a sliding section is provided, and an adjusting belt and an operation piece are separated below the inside and a partition that guides the operation piece is provided. Is provided with a protruding locking projection on one side, and an operation section that can be pressed at the top is provided.The operation piece is urged upward by a spring after being inserted into the slider, and the adjustment projection and the locking projection are normally engaged. When the adjustment around the waist is necessary, press the operation piece to release the engagement between the adjustment projection and the locking projection, and move the slider to adjust the waist around. The tool is
It is disclosed in Japanese Patent Application Laid-Open No. 10-179215.

[0003]

The known waist adjuster shown in FIG. 18 described in the preceding paragraph has a large number of product parts,
Moreover, the slider in the waist adjuster requires an assembling process, which increases the cost, and the assembling work is troublesome. Also, because the product equips the slider with the operation piece,
It is thick and the appearance of the waist adjuster is not good.

The present invention has been made in consideration of the above problems, and the invention according to claim 1 reduces the number of parts of a product, and the slider has a simple structure and does not need to be assembled. The main purpose is to provide a waist adjuster that is finished in a product to reduce costs, and that is simple and thin, can be easily adjusted, and has a good appearance and does not make the user feel uncomfortable when used.

According to a second aspect of the present invention, in addition to the object of the first aspect, in order to smoothly disengage the adjustment belt and the slider, the adjustment belt is restricted from moving up and down, and the waist is adjusted. It is an object of the present invention to provide a waist adjuster capable of accurately adjusting the circumference.

According to the third and fourth aspects of the present invention, in addition to the objects of the first aspect of the present invention, the waist adjustment which can hold the adjustment belt in a stable state and reliably maintain the engagement between the adjustment belt and the slider can be achieved. The purpose is to provide tools.

A fifth object of the present invention is to provide a waist adjuster capable of holding the adjusting belt in the slider in a stable and stable state in addition to the object of the first aspect of the present invention.

According to a sixth aspect of the present invention, in addition to the object of the first aspect of the present invention, by specifying the form of the slider, it is possible to provide a waist adjuster of a type suitable for manufacturing the slider, particularly for forming. Is the purpose.

According to a seventh aspect of the present invention, in addition to the object of any one of the first to sixth aspects, the waist adjuster is manufactured by limiting the material of the waist adjuster to a thermoplastic resin. It is an object of the present invention to provide a waist adjuster which can be easily recycled and can be recycled.

[0010]

In order to achieve the above object, according to the first aspect of the present invention, the adjustment belt 1 of the waist adjustment device has a projection-like adjustment projection 8 projecting from the surface. A large number of sliders 2 are provided in the waist adjuster, and a hollow insertion portion 10 through which the adjustment belt 1 can be inserted in the left and right directions is provided in a penetrating manner. When the adjusting belt 1 is inserted into the slider 2, a locking projection 14 that can be engaged with the adjusting projection 8 of the adjusting belt is protruded into the insertion portion 10. The main configuration is a waist adjuster formed such that at least one of the sides has a gap portion 17 having a size corresponding to at least the adjustment protrusion 8.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the slider 2 in the waist adjuster is provided.
Is a projection that the adjusting projection 8 comes into contact with at least an upper or lower side of the locking projection 14 provided in the hollow insertion portion 10 with a space corresponding to at least the adjusting projection 8. It is a waist adjuster provided with a strip contact portion 16.

According to a third aspect of the present invention, in addition to the configuration of the first aspect, the slider 2 in the waist adjuster is provided.
Protrudes into a gap 17 provided on either the upper side or the lower side of the insertion portion 10 on the opposite wall of the locking projection 14 provided in the hollow insertion portion 10 and suppresses the vertical movement of the adjustment belt 1. It is a waist adjuster provided with a ridge restraining portion 19 for performing the operation.

According to a fourth aspect of the present invention, in addition to the configuration of the first aspect of the present invention, the slider 2 in the waist adjuster is provided.
Has elasticity at a position facing the gap 17 provided on either the upper side or the lower side of the insertion portion 10 on the opposite wall of the locking projection 14 provided in the hollow insertion portion 10. This is a waist adjuster provided with a U-shaped tongue piece 20 and provided with a tongue-inhibiting portion 19 for suppressing the adjustment belt 1 from moving up and down.

According to a fifth aspect of the present invention, in addition to the configuration of the first aspect of the present invention, the slider 2 in the waist adjuster is provided.
The contact portion 16 and the restraining portion 19 provided in the hollow insertion portion 10 are waist adjusters provided on an opposing wall in which the contact portion 16 is located slightly above the restraining portion 19.

According to a sixth aspect of the present invention, in addition to the configuration of the first aspect, the slider 2 in the waist adjuster is provided.
Is provided with a hollow through-hole 10 in the center of the rectangular body through which the adjustment belt 1 can be inserted left and right, and a rectangular through-hole 13 in the center longitudinal direction of the back plate 12 of the slider 2. And two upper and lower locking projections 14 projecting into the insertion portion 10 on both sides of the front plate 1 facing each other in the through hole 13.
1 is provided with two upper and lower mounting holes 15 for fixing the mounting pillars 24 of the fixing tool 3 to the inside, and the fixing tool 3 for mounting the slider 2 to the waist belt 5 is attached to the mounting hole 15 on the back surface of the cap 23. It is a waist adjuster having two upper and lower mounting columns 24 that can be inserted and crushed.

According to a seventh aspect of the present invention, in addition to the configuration of the first aspect of the present invention, an adjustment belt 1, a slider 2, and a fixing member 3 in a waist adjusting device are provided.
Are waist adjusters formed by injection molding means or extrusion molding means using thermoplastic resins, respectively.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the waist adjuster of the present invention will be specifically described below with reference to the drawings.

As shown in FIG. 1, the waist adjuster of the present invention comprises an adjusting belt 1, a slider 2, and a fixing member 3, and these three members are beltless as shown in FIGS. The slider 2 is attached to the inner end of the waist belt 5 in the trousers or the like by the fixture 3,
Further, both ends of the narrow co-fabric 6 are attached on the waist belt 5, and the adjustment belt 1 is attached to the back of the co-fabric 6, and the co-fabric 6 is attached.
, The slider 2 is inserted and the slider is slid to adjust the waist belt 5 around the waist. The adjustment belt 1, the slider 2, and the fixture 3 are formed by injection molding or extrusion using a thermoplastic resin such as polyamide, polyacetal, polypropylene, or polybutylene terephthalate, respectively.

If the adjustment belt 1 is formed thick, it is not always necessary to attach the co-fabric 6 to the adjustment belt 1.
The adjustment belt 1 may be independently attached to the waist belt 5. Further, if the adjustment belt 1 is made to have the same color tone as the cloth of the waist belt 5, it is preferable that the adjustment belt 1 is not noticeable in appearance.

As shown in FIGS. 1, 4, and 5, the adjustment belt 1 of the waist adjustment device is a long belt band,
The adjusting projections 8 are arranged in rows at equal intervals on the surface so as to protrude in two steps. The adjusting projections 8 are formed in a rectangular shape, a vertically long hexagonal shape, or an appropriate shape in which both sides are parallel to each other. The back surface is a flat belt belt having elasticity as a whole, and is formed in a form suitable for attaching to the common fabric 6 of the waist belt 5 such as pants and skirts.

The slider 2 of the waist adjuster is shown in FIGS.
As shown in FIG. 3, a hollow insertion portion 10 is provided so as to penetrate so that the adjustment belt 1 can be inserted through the opening, and the left and right side walls are entirely rectangular. A through hole 13 is provided, and two locking projections 14 that can be engaged with the adjustment projection 8 of the adjustment belt 1 are vertically provided on the inner surface on both sides of the through hole 13. When the adjustment belt 1 moves downward, it comes into contact with the adjustment protrusion 8, restricts excessive movement of the adjustment protrusion 8, and can reliably release the engagement between the locking protrusion 14 and the adjustment protrusion 8. A contact portion 16 of a ridge is provided, and the adjustment belt 1 is provided below the contact portion 16.
In addition, a gap 17 in which the co-fabric 6 can move is provided.

When the adjustment belt 1 is located above the slider 2, the adjustment projection 8 of the adjustment belt 1 and the locking projection 14 of the slider 2 are engaged in a superimposed state in the left and right direction, and the adjustment belt 1 is engaged with the adjustment belt 1. This prevents the slider 2 from relatively moving in the left-right direction, and when the adjustment belt 1 is located below the slider 2, that is, in the gap portion 17, the adjustment protrusion 8 of the adjustment belt 1 and the locking protrusion of the slider 2 are prevented. The portion 14 does not overlap in the left-right direction, and the engagement is released. Thereby, the adjustment belt 1 and the slider 2 can relatively move in the left-right direction. The contact portion 16 is provided at least below the adjusting projection 8 below the locking projection 14.
The adjustment projection 8 is formed so as to be able to move freely left and right along the contact portion 16.

As shown in FIGS. 2 and 3, the surface plate 11 within the range of the through hole 13 provided in the back plate 12 of the slider 2 is provided.
At the top and bottom, two mounting holes 15 having a T-shaped or tapered cross section with an enlarged inside are provided, and the mounting column 24 of the fixture 3 is inserted. It is formed so that it can be fixed to the waist belt 5 by appropriately heating and pressing to crush it. Also mounting holes 15
Is formed thick and provided with a protruding portion 18 protruding to the surface side, and cooperates with the cap 23 of the fixture 3 to strongly clamp the waist belt 5 as shown in FIG.

As shown in FIG. 2, the outer shape of the slider 2 is formed in an asymmetric shape in which the upper side is wider and the lower side is slightly narrower. In this embodiment, when the slider 2 is attached to the waist belt 5, the slider 2 is formed so as not to be attached upside down, and the attachment operation is facilitated.

As shown in FIGS. 1 and 5, the fixing device 3 of the waist adjuster has a pointed end at an interval corresponding to the upper and lower mounting holes 15 formed in the front plate 11 of the slider 2 on the back surface of the cap 23. Mounting posts 24 projecting up and down two places,
After the waist belt 5 is inserted into the mounting hole 15, the mounting column 24 is heated and pressurized at its tip, crushed and filled into the mounting hole 15 and fixed.

The attachment of the waist adjuster is shown in FIGS.
The slider 2 is attached to the back of the end of the outer waist belt 5 such as a beltless trouser or a skirt, as shown in FIG. After inserting the slider 2 into the mounting hole 15 provided on the waist belt 11, the slider 2 is mounted on the waist belt 5 by crushing the tip by heating and pressing. When the adjustment belt 1 is attached to the attached slider 2 or the adjustment belt 1 is attached to the back surface of the co-fabric 6,
By inserting the adjustment belt 1 and the co-fabric 6 and sewing both ends of the adjustment belt 1 or the co-fabric 6 on the inner waist belt 5, a gap is formed in the middle portion of the adjustment belt 1 so that it can be separated. I do.

The adjustment belt 1 or the co-fabric 6 can be sewn at the end that appears on the surface and the hidden end can be left free. However, in order to easily perform the adjustment operation around the waist. It is preferable to fix both ends of the adjustment belt 1 or the co-fabric 6. When co-fabric 6 is used, co-fabric 6 is used.
It is preferable to use the co-fabric 6 slightly wider than the adjustment belt 1 and form the cover to cover the adjustment belt 1.

The adjustment operation of the waist adjuster attached to the waist belt 5 is performed by first engaging the locking projection 1 of the slider 2.
In order to release the engagement between the adjustment belt 8 and the adjustment protrusion 8 of the adjustment belt 1, the waist belt 5 to which the slider 2 is attached is lifted upward together with the slider 2 as shown by a two-dot chain line in FIG. Is moved until it comes into contact with the contact portion 16, the engagement between the locking projection 14 and the adjustment projection 8 is released, and the slider 2 is slid in the left-right direction to adjust around the waist. The waist belt 5 is pulled down together with the slider 2 and returned to the original position, and the adjustment projection 8 and the engagement projection 14 are engaged to adjust the waist.

Next, the waist adjuster of the second embodiment shown in FIGS. 6 to 9 is different from the waist adjuster of the first embodiment in that:
The positions of the through holes 13, the locking projections 14, the contact portions 16, the projections 18 provided on the front surface plate 11, the mounting holes 15, and the gaps 17 provided on the back plate 12 of the slider 2 are all reversed in the vertical direction. It is installed in a position. Note that the adjustment belt 1 has exactly the same shape as that of the first embodiment.

In order to adjust the waist circumference, the engagement between the locking projection 14 of the slider 2 and the adjustment projection 8 of the adjustment belt 1 is released. After the engagement protrusion 14 and the adjustment protrusion 8 are disengaged by being pulled down and moved together with the slider 2 as indicated by a chain line, the slider 2 is slid left and right to adjust around the waist. , Slider 2
At the same time, the waist belt 5 is pulled up and the adjustment projection 8 and the engagement projection 14 are engaged to perform adjustment.

The waist adjuster of the third embodiment shown in FIGS. 10 to 12 is the same as the waist adjuster of the first embodiment except that the shape of the inner surface of the surface plate 11 of the slider 2 is slightly different. That is, a protrusion 19 for preventing the adjustment belt 1 or the co-fabric 6 and the adjustment belt 1 having both ends attached to the waist belt 5 from falling down is provided below the inner surface of the surface plate 11, and FIG. As shown in the figure, the downward movement of the co-fabric 6 is suppressed, and the engagement state between the locking projection 14 and the adjustment projection 8 can be reliably maintained.

The restraining portion 19 is preferably formed so as to be positioned slightly below the abutting portion 16 provided on the opposing wall of the slider 2, that is, on the inner surface of the back plate 12, so that the co-fabric 6 can be captured. Further, it is also possible to form the space 17 above the slider 2 so that the waist belt 5 is pulled down.

In order to adjust the waist circumference, the engagement between the locking projection 14 of the slider 2 and the adjustment projection 8 of the adjustment belt 1 is released. 19, the upper edge of the co-fabric 6 and the lower edge of the adjustment belt 1 are guided to the gap 17, and the adjustment projection 8 and the contact section 16 are moved until they come into contact with each other. After the engagement of the adjustment projection 8 with the adjustment projection 8 is released, the slider 2 is slid in the left and right direction to adjust the waist, and then the waist belt 5 is pulled down together with the slider 2 and locked with the adjustment projection 8. Protrusion 14
Are adjusted to adjust the waist circumference.

The waist adjuster according to the fourth embodiment shown in FIGS. 13 to 15 is a restraining portion 1 installed on the inner surface of the surface plate 11 of the slider 2 in the waist adjuster according to the third embodiment.
9 are the same except for the difference. That is, a wide U-shaped tongue piece 20 is provided below the mounting hole 15 of the front surface plate 11, and a depressing portion 19 protruding inward at the tip of the tongue piece 20.
Is a form of a slider 2 in which elasticity is given to the restraining portion 19, and is formed so that the operation of moving the adjusting belt 1 or the co-fabric 6 and the adjusting belt 1 over the restraining portion 19 can be performed smoothly. It is.

The waist adjustment of the waist adjuster is the same as that of the waist adjuster of the third embodiment.
In order to release the engagement between the locking projection 14 of the slider 2 and the adjustment projection 8 of the adjustment belt 1, the waist belt 5 to which the slider 2 is attached is lifted together with the slider 2 in a form in which the restraining portion 19 is swung. When lifted, the restraining portion 19 retreats due to its elasticity, and the adjustment belt 1 or the co-fabric 6
And the adjustment belt 1 is easily guided to the gap portion 17 and is easily moved until the adjustment protrusion 8 and the contact portion 16 come into contact with each other to release the engagement between the locking protrusion 14 and the adjustment protrusion 8. Then, after the slider 2 is slid in the left-right direction to adjust the waist around, the waist belt 5 is pulled down together with the slider 2 and the adjusting projection 8 and the locking projection 14 are engaged with each other to adjust the waist. It is for making adjustments.

[0036]

The waist adjuster of the present invention has the structure as described above, and the following effects are obtained by this structure.

According to the first aspect of the present invention, the adjusting belt has a large number of projecting adjusting projections protruding from the surface thereof, and the slider has a hollow insertion portion through which the adjusting belt can be inserted. A locking projection which can be engaged with the adjusting projection when the adjusting belt is positioned at any one of the upper and lower sides in the insertion portion, and which corresponds to at least an adjusting projection on or below the adjusting belt when the adjusting belt is inserted. The number of parts of the waist adjuster can be reduced by forming so that there is a gap to be made, the structure of the slider is simplified, and there is no need to perform assembling work.
In addition, the adjustment operation is performed simply by moving the slider in the vertical direction, so that the operation can be performed extremely smoothly. In addition, the product is simple and thin, and has the effect of not giving a sense of incongruity during use unlike conventional products.

According to a second aspect of the present invention, in addition to the effects of the first aspect of the present invention, an adjusting projection is provided at least at a distance corresponding to the adjusting projection above or below the locking projection in the insertion portion of the slider. Providing the abutting portion of the protruding ridge with which the portion abuts has the effect of restricting the vertical movement of the adjustment belt with respect to the slider, releasing the engagement accurately, and smoothly adjusting the waist.

According to a third aspect of the present invention, in addition to the effects of the first aspect of the present invention, an adjustment is made such that the protrusion protrudes into a gap provided on one of the upper and lower sides of the opposite wall of the locking projection in the insertion portion of the slider. By providing a ridge restraint that suppresses vertical movement of the belt, the movement of the adjustment belt to the gap is suppressed, the adjustment belt is held in a stable state, and the engagement between the slider and the adjustment belt is prevented. This has the effect that it can be reliably maintained.

According to a fourth aspect of the present invention, in addition to the effect of the first aspect of the present invention, a portion facing the gap provided on one of the upper and lower sides in the insertion wall of the slider, on the opposite wall of the locking projection. The U-shaped tongue having elasticity is provided on the tongue, and the tongue is provided with a ridge suppressing portion for suppressing the vertical movement of the adjustment belt, so that the adjustment belt always moves to the gap. Has the effect of allowing easy and smooth movement when necessary, holding the adjustment belt in a stable state, and reliably maintaining engagement between the slider and the adjustment belt.

According to a fifth aspect of the present invention, in addition to the effect of the first aspect of the present invention, the contact portion and the depressing portion provided in the insertion portion of the slider have the contact portions provided on the opposing wall slightly above. As a result, the adjustment belt can always be held in a stable state,
Moreover, there is an effect that the waist adjuster with a good appearance can be finished.

According to a sixth aspect of the present invention, in addition to the effect of the first aspect, the slider has a rectangular shape, and has an insertion portion for inserting the adjustment belt at the center thereof, and has a rectangular shape in the center longitudinal direction of the back plate. A through hole is provided, two upper and lower locking projections are provided on both sides of the through hole, two upper and lower mounting holes are provided on the surface plate inside the through hole, and a slider for attaching the slider to the waist belt is a cap. By mounting two upper and lower mounting columns that can be inserted into the mounting holes and crushed on the back surface of the slider, the slider can be manufactured very easily, and the slider can be finished in a form suitable for molding thermoplastic resin. .

According to a seventh aspect of the present invention, in addition to the effects of the first aspect, an adjusting belt,
Since the slider and the fixing device are each formed by injection molding or extrusion molding using a thermoplastic resin, the production of the waist adjusting device can be extremely simplified, and there is an effect that recycling can be realized. Is very prominent.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a waist adjuster according to a first embodiment.

FIG. 2 is a front view of a slider of the above waist adjuster.

FIG. 3 is a cross-sectional view of the slider of the above waist adjuster, taken along the line AA in FIG. 2;

FIG. 4 is a sectional view of the waist adjuster, taken along line BB in FIG. 5;

FIG. 5 is a sectional view of the above waist adjuster, taken along line CC in FIG. 4;

FIG. 6 is a front view of a slider in the waist adjuster of the second embodiment.

FIG. 7 is a cross-sectional view of the slider of the waist adjuster, taken along the line DD in FIG. 6;

FIG. 8 is a sectional view of the waist adjuster, taken along line EE in FIG. 9;

FIG. 9 is a sectional view of the waist adjuster, taken along line FF in FIG. 8;

FIG. 10 is a sectional view of the slider in the waist adjuster according to the third embodiment, taken along line GG in FIG. 11;

FIG. 11 is a sectional view of the slider of the above waist adjuster, taken along the line HH in FIG. 10;

FIG. 12 is a longitudinal sectional view showing a use state of the waist adjuster.

FIG. 13 is a sectional view of the slider in the waist adjuster according to the fourth embodiment, taken along line JJ in FIG. 14;

FIG. 14 is a sectional view of the slider of the waist adjuster, taken along line KK in FIG. 13;

FIG. 15 is a longitudinal sectional view showing a use state of the above waist adjuster.

FIG. 16 is a cross-sectional view showing a use state of the waist adjuster.

FIG. 17 is a front view showing a use state of the waist adjuster.

FIG. 18 is an exploded perspective view of a known waist adjuster.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Adjustment belt 2 Slider 3 Fixture 5 Waist belt 6 Co-fabric 8 Adjustment protrusion 10 Insertion part 11 Surface plate 12 Back plate 13 Through hole 14 Locking protrusion 15 Mounting hole 16 Contact part 17 Void part 19 Suppression part 20 Tongue Piece 23 cap 24 mounting column

Claims (7)

[Claims] An adjusting belt is provided with a large number of adjusting projections protruding from the surface thereof, and a slider is provided on the adjusting belt.
A hollow insertion portion 10 through which the insertion portion 1 can be inserted.
When the adjustment belt 1 is positioned either up or down within 0, a locking projection 14 that can engage with the adjustment projection 8 is protruded,
A waist adjuster characterized in that at least one of the upper and lower portions of the adjustment belt 1 has an air gap 17 corresponding to the adjustment protrusion 8 when the adjustment belt 1 is inserted. 2. An abutting portion 16 of the ridge with which the adjusting projection 8 abuts at least at an interval corresponding to the adjusting projection 8 above or below the locking projection 14 in the insertion portion 10 of the slider 2.
The waist adjuster according to claim 1, further comprising: 3. A gap 1 provided on one of upper and lower sides of an opposite wall of an engaging projection 14 in an insertion portion 10 of a slider 2.
The waist adjuster according to claim 1, further comprising a ridge restraining portion configured to suppress a vertical movement of the adjustment belt that protrudes to the waist. 4. A gap 1 provided on one of upper and lower sides of an opposite wall of a locking projection 14 in an insertion portion 10 of a slider 2.
7. A resilient U-shaped tongue piece 20 is provided at a position facing 7; and a tongue piece 20 is provided with a ridge restraining portion 19 for restraining the adjustment belt 1 from moving up and down. The described waist adjuster. 5. The waist adjuster according to claim 1, wherein the contact portion 16 and the restraining portion 19 provided in the insertion portion 10 of the slider 2 have the contact portion 16 provided on a slightly upper facing wall. 6. The slider 2 has a rectangular shape and has an insertion portion 10 for inserting an adjustment belt in the center thereof, a rectangular through hole 13 in the center longitudinal direction of the back plate 12, and an inner surface on both sides of the through hole 13. Two upper and lower locking projections 14 are provided, and two upper and lower mounting holes 15 are provided on the surface plate 11 in the through-hole 13 so as to expand inside.
2. The waist adjuster according to claim 1, wherein the fixture for attaching the slider to the waist belt comprises two upper and lower mounting columns which are inserted into the rear surface of the cap and can be crushed. 7. The waist adjuster according to claim 1, wherein the adjustment belt 1, the slider 2, and the fixture 3 are each formed by injection molding or extrusion molding using a thermoplastic resin.