Slider for slide fastener

Abstract

To provide a fastener slider for easily moving a fastened fastener slider which has not used for a long time, and easily releasing biting even when a part of a cloth is engaged with the slider, and to provide a slide fastener eliminating necessity of polishing a slide fastener of a metallic element.SOLUTION: A slider for a slide fastener is such that a part to be engaged with a fastener element of a fastener slider body is divided into two to four engaging pieces according to the quality of material and shape of the fastener element; and the engaging pieces are oscillated around a rotary shaft in the slider body. When using a slide fastener which is made of a material excluding a metal and has not been used for a long time, the slider is useful for eliminating damages of the fastener element and a pull-tab by facilitating opening / closing a slider which cannot move due to engagement of the slider caused by corrosion and biting of a cloth into the slider.SELECTED DRAWING: Figure 5

Description

[Technical Field]

[0001] In this invention, the fitting piece into which the slider element for a slide fastener is fitted is divided into two parts, left and right, facing each other in the case of a coil element, or into four parts, top and bottom, facing each other, in the case of a metal element or a resin element, and is swung vertically inside the slider body on a rotating shaft, and is made of a material different from that of the slider body, making it possible to easily move the fixed element, and even if fabric gets caught in the slider, the fitting piece is flat so that it can be easily removed.This is a slider for a fastener slider. [Background technology]

[0002] Until now, sliders for slide fasteners have been made with a one-piece structure using die casting or press processing, and because the upper and lower blades have raised edges, they cannot easily be removed if fabric, etc., gets caught in them. Also, high-quality slide fasteners with metal elements require grinding the elements to improve the slider's movement, which is costly. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent Publication No. 2017-124121 [Patent Document 2] Patent Publication No. 6-46906 [Patent Document 3] Patent Publication No. 2021-137527 Summary of the Invention [Problem to be solved by the invention]

[0004] In Patent Publication No. 2021-137527, the mating piece 6 opens too far, and the guide pillar 4 is fixed, so the elements do not mesh with each other.

[0005] In particular, when trying to open or close zippers attached to pants or bags, it was common for a part of the fabric to get caught in the slider, causing it to become stuck.

[0006] Furthermore, previous sliders had a raised portion at the mating point between the upper and lower blades, making it difficult to pull out the caught fabric. [Means for solving the problem]

[0007] Therefore, a stopper 12 is attached to the slider body to prevent the mating piece 6 from opening too much, and the guide column is divided into mating pieces that rotate vertically, so that the elements can mesh well with each other.

[0008] Until now, it has been common knowledge in the fastener industry that sliders for slide fasteners have a one-piece structure and are made of metal. When the slider element for the slide fastener becomes stuck, the gap at the stuck portion is narrow, making it difficult to move the slider for the slide fastener. Therefore, as shown in Figures 6 and 8, the part where the slide fastener element is fitted is separated into two to four parts, and each part swings separately around the rotation axis, and because the fitting pieces are flat, the fixed part or the part that is bitten into the fabric shifts and comes off. Furthermore, the part where the element is fitted can be made of a material other than metal, for example, ceramic or resin. Since the materials are different, the fastener element is prevented from sticking due to dirt or rust in the gap between the slider, thereby solving the above-mentioned drawbacks. [Effects of the Invention]

[0009] By attaching a stopper to the slider body, the upper and lower wing plates cannot open wide, and furthermore, by dividing the guide pillar into two and making one side into a mating piece that rotates with a pin in the vertical direction of the slider body, the elements are positioned so that they can interlock with each other, and the elements can interlock with each other.

[0010] In the case of the previous slider with a one-piece structure, the structure of the part where the element is fitted was as shown in Figures 2 and 3, so fabric etc. would get caught in part 5 in Figure 4 and it was difficult to remove.

[0011] In the present invention, since there is no protrusion as shown in Figures 6 and 8, even if the fabric gets caught, it can be easily pulled out.

[0012] As described above, the slider for the slide fastener is separated by different materials, and when the fixed part moves the slider pull tab up and down, the parts that fit the elements on the left and right swing separately, separating the fixed part and the parts that are caught in the fabric, etc., allowing the slider to move smoothly. Furthermore, the part where the element is fitted is made of ceramic or resin, which reduces friction between the fastener element and the fitting part, allowing the slider to move more smoothly, and is expected to have additional heat resistance, abrasion resistance, acid resistance, and alkali resistance. In addition, slide fasteners with expensive metal elements previously required polishing the surface of the elements to improve slider movement, but with this new product, the parts that fit the elements swing separately, and the fitting parts are made of a material other than metal, so the slider moves smoothly, and it is expected that high-quality metal slide fasteners can be produced at low cost. [Brief explanation of the drawings]

[0013] [Figure 1] FIG. [Figure 2] FIG. 1 is a perspective view of a slider body for a conventional slide fastener. [Figure 3] FIG. 1 is a side view of a slider body for a conventional slide fastener. [Figure 4] FIG. 4 is a cross-sectional view taken along the line BB in FIG. [Figure 5] 10 is a cross-sectional view of the slider of the present invention taken along the line AA in FIG. 9. [Figure 6] FIG. 2 is a side view of the slider of the present invention. [Figure 7] FIG. 2 is a front view of the slider of the present invention. [Figure 8] FIG. 2 is a side view of the slider of the present invention. [Figure 9] FIG. 2 is a front view of the slider of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0014] 5, 6, 7, 8 and 9 show an embodiment of a slider for a slide fastener according to the present invention. Figures 5, 6, 7 and 8 show a slider for a slide fastener having a slider body 1 for a slide fastener in which an upper wing 2 and a lower wing 3 are connected by a guide post 4, in which the fitting portion for fitting the fastener element 9 of the upper wing 2 and the lower wing 3 is made into a flat fitting piece 6, and this fitting piece 6 and fastener slider body 1 are joined by a rotation axis 7 perpendicular to the body, so that it can swing inside the fastener slider body 1.

[0015] In Figure 9, a stopper 12 is attached to the body 1 to prevent the flattened mating piece 6 from opening too far, and furthermore, the guide pillar 4 is divided into two pieces, one of which is made into a mating piece 11 that rotates on a rotation axis 7 perpendicular to the body 1. This is a diagram showing how the fastener elements become interlocked.

[0016] When there are two flat mating pieces 6 as shown in Figures 5 and 6 and the fastener element is coil-shaped, the element is sewn to the fastener tape 10 with thread, so there is no protrusion on the underside.

[0017] When four flat mating pieces 6 are required as shown in Figures 7 and 8, this is because when the fastener elements are made of metal or resin, the elements crimped to the fastener tape 10 have convex portions on the top and bottom surfaces.

[0018] The fitting pieces 6 in FIGS. 5, 6, 7 and 8 are dimensionally symmetrical in the vertical and horizontal directions and swing left and right around a rotation axis 7. [Explanation of symbols]

[0019] 1 Slider body for slide fastener 2 Upper wing plate 3 Lower wing plate 4. Guidepost 5 The part where the conventional slide fastener element is fitted 6 Mating piece 7 Rotation Axis 8 Zipper puller 9 Fastener elements 10 zipper tape 11. Interlocking piece with guide post separated 12 Upper and lower wing stoppers

Claims

1. A slider for a slide fastener having a slider body in which upper and lower blades are connected by guide posts, wherein the fitting portions for fitting the fastener elements of the upper and lower blades are divided into two to four flat fitting pieces, and these divided fitting pieces are joined to the slider body by a vertical rotation axis, and the fitting pieces for fitting the fastener elements are configured to be able to swing inside the slider body.

2. 2. A slider for a slide fastener according to claim 1, wherein the guide post is divided into two pieces, one of which is the guide post and the other of which is a rotating mating piece joined by a vertical rotation axis.

3. 2. A slider for a slide fastener according to claim 1, wherein stoppers are attached to the outside of the two to four divided engaging pieces to prevent the engaging pieces from opening too far.

4. A slider for a slide fastener according to claim 1, wherein the material of the engaging piece that engages the fastener element divided into 2 to 4 pieces and the rotating engaging piece that divides the guide post is different from the material of the slider body.

5. 2. A slider for a slide fastener according to claim 1, wherein ceramics or resin is used for the engaging piece into which the fastener element divided into 2 to 4 pieces is engaged and the rotating engaging piece which is a divided guide post.

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