KR100364474B1 - Bottom open-end type invisible zipper with a movable bottom-end piece - Google Patents

Abstract

The present invention relates to a lower open-end invisible zipper, comprising: first and second zipper tapes, each of which is arranged longitudinally on an inner side thereof and includes a row thereof, the first and second zipper tapes A first and a second plug member fixedly attached and longitudinally connected to one end of a row thereof in each zipper tape, and a receiving chamber for receiving the first and second plug members in parallel, wherein the first zipper A movable lower-end portion coupled to tape, and a male positioning means fixedly disposed on the first plug member and the male positioning means to stop the movable lower-end portion on the first plug member. And arm positioning means fixedly mounted to the second plug member, wherein the movable lower-end portion is mounted to the first plug member. 1, characterized in that consisting of the escape-preventing structure to stop from falling off the zipper tape.

Description

BOTTOM OPEN-END TYPE INVISIBLE ZIPPER WITH A MOVABLE BOTTOM-END PIECE}

TECHNICAL FIELD The present invention relates to a zipper, and more particularly to a lower open-end invisible zipper having a movable lower-end portion that can be moved from a sewing area when using a sewing machine to sew the zipper on an object.

A typical bottom open-end invisible zipper (see FIG. 1) consists of two zipper tapes 10, two rows of teeth 20, two plug members 30 and a bottom-end portion 40. consist of. Two rows of teeth 20 and two plug members 30 are fixedly attached to zipper tape 10, respectively. The lower end portion 40 is fixedly attached to one plug member 30. This lower open-end invisible zipper structure is adapted for opening / closing openings in dresses, jackets and the like. Upon closing, another plug member is inserted into the bottom-end portion 40, and then the slide is pulled upwards to mutually engage two rows of teeth. However, since the size of the bottom-end portion 40 is too large than the cross-sections of two rows of teeth 20, the presser foot 100 of the sewing machine may pass through the bottom-end portion when attaching the zipper tape 10 to a dress or the like. (See FIG. 2). In order to eliminate the above problem, an invisible zipper with a removable bottom end is disclosed. According to this design, one plug member 30 has a split hook 301, and the lower end portion 40 inserts the plug member 30 into the insertion hole 401, and then the split hook ( It is a structure which has the hook part 402 arrange | positioned at the insertion hole 401 for engaging with 301. The bottom end portion 40 is separated from the corresponding plug member 30 before the zipper tape 10 is attached to the dress or the like. After installing the invisible zipper, the bottom end portion 40 is secured to the split hook 301 of the plug member 30. Since the plug member 30 and the bottom end portion 40 are small components, the design of the split hook 301 on the plug member 30 and the hook portion 402 in the bottom end portion 40 becomes complicated. . Any small error during die casting or injection molding causes the product to fail. In addition, the lower-end portion 40 tends to be missed because it is sold separately from the invisible zipper when sold.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described circumstances, and a main object of the present invention is to provide a lower open-end invisible zipper having a movable lower-end portion that does not interfere with the sewing operation for attaching an invisible zipper to an object. will be.

1 is a perspective view of a lower open-end invisible zipper according to the prior art;

2 is a schematic diagram showing obstruction of the bottom-end portion of a prior art bottom open-end invisible zipper in the manner of a presser foot;

3 is a cross-sectional view showing another structure of the lower open-end invisible zipper according to the prior art;

4 is a cross-sectional view showing the closed state of the lower open-end invisible zipper according to the prior art of FIG.

5 is a perspective view of a lower open-end invisible zipper according to the present invention;

6 is an oblique rear view of a lower open-end invisible zipper according to the present invention;

7 is a rear view of the bottom open-end invisible zipper according to the present invention;

8 is a perspective view of a movable bottom-end portion according to the present invention;

9 is a cross-sectional view of the movable bottom-end portion according to the present invention;

10 is a plan view of a movable bottom-end portion according to the present invention;

11 is a front view of the childable bottom-end portion according to the present invention;

12 is a cross sectional view showing a closed state of a lower open-end invisible zipper according to the present invention;

13 is a front view showing the closed state of the lower open-end invisible zipper according to the present invention;

FIG. 14 shows another form of the present invention showing a wedge shaped stop block formed on the upper sidewall of the female plug member; FIG.

Figure 15 is a perspective view showing another form of the movable bottom-end portion according to the present invention;

16 is a perspective view showing another form of the movable bottom-end portion according to the present invention;

17 is a perspective view showing another form of the movable bottom-end portion according to the present invention;

FIG. 18 is a cross sectional view of the movable bottom-end portion of FIG. 17 installed in a lower open-end invisible zipper; FIG.

19 is a perspective view showing a plug member and a movable bottom-end portion designed for right-handed according to the present invention;

Fig. 20 is a plan view showing the plug member and the movable bottom-end portion designed for right-handed according to the present invention.

Figure 21 is a perspective view showing another form of the movable bottom-end portion according to the present invention;

22 is a perspective view showing another form of the anti-separation structure according to the present invention;

Figure 23 is a perspective view showing another form of the movable bottom-end portion according to the present invention;

24 is a cross-sectional view of the assembly of FIG. 22; And

25 is a perspective view showing still another form of the separation prevention structure according to the present invention.

* Explanation of symbols for main parts of the drawings

1: zipper tape 2: plug member

3: lower end part 5: slide

11: this 21: male plug member

22: female plug member 31: receiving chamber

32: vertical rear stop wall 33: upper slot

According to one aspect of the invention there is provided a lower open-end invisible zipper, comprising: first and second zipper tapes each having a row thereof arranged longitudinally on an inner side thereof and interconnected; First and second plug members fixedly attached to the zipper tape, respectively, and longitudinally connected to one end of its row in each zipper tape; A movable lower-end portion including a receiving chamber for receiving the first and second plug members in parallel and slidably coupled to the first zipper tape; And a male positioning means fixedly disposed on said first plug member and said second plug member in engagement with said male positioning means for stopping said movable lower-end portion in said first plug member. And a female positioning means disposed in the frame, wherein the movable lower-end portion is made of a break-away structure that stops from falling off the first zipper tape. According to another aspect of the present invention, the first plug member with the first zipper tape and the second plug member with the second zipper tape may be selectively disposed on both sides to be suitable for left handed or right handed use. .

5 and 6, the lower open-end invisible zipper according to the present invention is provided with two zipper tapes 1, a plug member 2, a movable lower end portion 3, an anti-separation structure and It consists of the slide 5.

The zipper tapes 1 each have a row of teeth 11 arranged longitudinally on one side. The teeth 11 of each zipper tape 1 may be independent metal teeth each attached to the fiber of each zipper tape. Optionally, the teeth 11 of each zipper tape 1 may be a continuous row of loops molded directly into the resin on the fibers of each zipper tape. The teeth 11 each have a projecting top surface for mutual coupling. Each zipper tape 1 has a peripheral flap that keeps each row of teeth 11 out of view.

The plug member set 2 (see FIG. 6) includes a male plug member 21 and a female plug member 22. The male plug member 21 and the female plug member 22 may be made of metal by die casting or stamping, and are fixedly attached to the zipper tape 1 at one end of the teeth 11 in each row, respectively. Optionally, the male plug member 21 and the female plug member 22 may be injection molded in plastic on each zipper tape 1. The male plug member 21 has a longitudinal coupling groove 211, a protruding flange 212 extending downward from its upper sidewall and longitudinally disposed on an outer side of the longitudinal coupling groove 211, and an upper end thereof. End notch 213 at the bottom. The female plug member 22 includes a longitudinal coupling groove 221, a protruding flange 222 extending downward from its upper sidewall and longitudinally disposed on an outer side of the longitudinal coupling groove 221. When the male plug member 21 and the female plug member 22 are engaged with each other, the trailing end of the teeth 11 in front of the female plug member 22 is engaged into the end notch 213 of the male plug member 21. All.

The movable lower-end portion 3 (see FIGS. 8-11) extends through its front and rear sides and contains an accommodating chamber 31 which accommodates the male plug member 21 and the female plug member 22, the accommodating chamber. A vertical rear stop wall 32 for stopping the female plug member 22 and an upper slot 33 longitudinally cut through the upper sidewall of the chamber, disposed on the rear side of the 31. The upper slot 33 has a relatively large front half and a rear half thereof relatively narrow.

The aforementioned anti-separation structure (see FIGS. 7 and 9) includes a positioning block 223 integrally formed on an upper surface of the upper sidewall of the male plug member 22, and a movable lower-end portion 3. And a positioning groove 34 formed in the side wall to receive the positioning block 223. Positioning groove 34 may be triangular, wedged or rectangular. The shape of the positioning block 223 coincides with the positioning groove 34. When moving the movable lower-end portion 3 along the row of teeth 11 on one zipper tape 1 to the lower limit position, the positioning groove 34 is forced to engage the positioning block 223. Is applied, and the movable lower-end part 3 stops to escape from the zipper tape provided with the female plug member 22. In addition, the engagement of the positioning groove 34 with the positioning block 223 retains the female plug member 22 securely located in the receiving chamber 31 of the movable lower end portion 3.

The assembly method of the present invention will be described later with reference to FIGS. 5 to 7. The male plug member 21 and the female plug member 22 are fixedly attached to the zipper tape 1 at the rear end of each inner side, respectively, and the row of teeth 11 and male plug member on one zipper taper and While maintaining the engagement of the row of teeth 11 and the female plug member 22 in the other zipper tape, the rows of teeth 11 are respectively installed on the zipper tape 1 above each plug member 21, 22. Then, the movable lower end portion 3 is fitted over the front side (top) of the row of teeth 11 on the zipper tape on which the female plug member 22 is installed, and then the movable lower end portion ( 3) is pulled downward along a row of teeth 11 corresponding to the female plug member 22 to exert a force on the positioning groove 34 that engages with the positioning block 223 (see FIG. 7), The slide 5 is then placed on the teeth 11 on the zipper tape with the female plug member 22 installed. Fit over the front side (top) of the row, and then the slide 5 is pulled down over the female plug member 22 and stopped at the front side of the movable lower-end portion 3, and then the other zipper The male plug member 21 in the tape 1 is inserted through the slide 5 into the receiving chamber 31 of the movable lower end portion 3. After the male plug member 21 is inserted through the slide 5 into the receiving chamber of the movable lower end portion 3 and stopped at the vertical stop wall 32, the slide 5 is removed from the zipper tape 1. The rows of teeth 11 are combined and pulled upward to close the invisible zipper (see FIG. 5).

When the invisible zipper is closed, the male plug member 21 is inserted through the slide 5 into the receiving chamber 31 of the movable lower end portion 3 to the female plug member 22 on one side. The slide 5 holds the rows of teeth 11 in the two zipper tapes 1 while retaining the male and female plug members 21, 22 adjacent to and then located in the movable lower-end portion 3. Pulled upward to engage (see FIG. 12).

As described above, the movable lower end portion 3 is movable along the rows of teeth 11 in the zipper tape 1 provided with the female plug member 22. While sewing the opening of the invisible zipper, the user can move the movable lower-end part 3 from the sewing area, and the zipper tape 1 can be conveniently attached to clothes, bags or the like. After attachment, the movable lower end portion 3 is prevented from falling out of the invisible zipper.

Referring to FIGS. 17 and 18, the movable lower end portion 3 can be made with a longitudinal rib 35 and a stop flange 321. The longitudinal ribs 35 are arranged inside the bottom wall to separate the receiving chamber 31 into two halves to facilitate positioning of the plug members 21, 22. The stop flange 321 extends inwardly at right angles from the vertical rear stop wall 32 and holds the male plug member 21 in position. The movable lower end portion 3 and the plug member set 2 can be designed to fit left-handed (see FIGS. 6 and 7) or right-handed users (see FIGS. 19 and 20). In addition, the receiving chamber 31 may be a dual open-end open chamber extending through the front and rear sides (see FIG. 21).

22 and 23 show another form of the breakaway-proof structure. According to this other form, the anti-separation structure has a protruding end block 223 'extending from the lower side of the female plug member 22 and a movable lower end portion 3 corresponding to the protruding end block 223'. End notches 34 'disposed on the rear side of the < RTI ID = 0.0 > When the movable lower end portion 3 is pulled downward, the end notch 34 'is forced to engage the protruding end block 223', and thus the movable lower end portion 3 is invisible. It stops at the lower limit position on a zipper.

24 and 25 show yet another form of the break-away structure. According to this other form, the anti-separation structure is formed at the rear side of the protruding end block 223 " and the movable lower end portion 3 formed integrally with the rear end of the upper side wall of the female plug member 22. End notch 34 ''. When the movable lower end portion 3 is pulled downward, the end notch 34 '' is forced to engage the protruding end block 223 '', so that the movable lower end portion 3 is It stops at the lower limit position on an invisible zipper.

The drawings are intended to illustrate and are not intended to limit the technical spirit of the present invention.

As described above, according to the present invention, it is possible to provide a lower open-end invisible zipper having a movable lower-end portion that does not interfere with the sewing operation for attaching the invisible zipper to an object.

Claims (21)

In the bottom open-end invisible zipper, First and second zipper tapes each of which has a row disposed therein and longitudinally interlocked on an inner side thereof; First and second plug members fixedly attached to the first and second zipper tapes, respectively, and longitudinally connected to one end of its row in each zipper tape; A movable lower-end portion comprising a receiving chamber for receiving the first and second plug members in parallel and coupled to the first zipper tape; And A male positioning means fixedly disposed on the first plug member and a female fixedly disposed on the second plug member to engage the male positioning means for stopping the movable lower-end portion in the first plug member. A bottom open-end invisible zipper, comprising positioning means, wherein the bottom-end structure is made of a release-proof structure that stops the movable bottom-end from falling off the first zipper tape. The method of claim 1, The first plug member comprises a longitudinal engagement groove and a protruding flange extending downward from the upper sidewall and longitudinally disposed on an outer side of the longitudinal engagement groove of the first plug member. Endless invisible zipper. The method of claim 1, The second plug member includes a longitudinal engagement groove, a downwardly extending protruding flange from the upper sidewall and a protruding flange disposed longitudinally on an outer side of the longitudinal engagement groove of the second plug member, and an end notch disposed at the front end. Lower open-end invisible zipper, characterized in that. The method of claim 1, The movable lower-end portion is disposed on the rear side of the receiving member, and the vertical rear stop wall stops the second plug member in the receiving chamber after the second plug member is inserted into the movable lower-end portion. Lower open-end invisible zipper further comprises. The method of claim 1, And the receiving chamber extends through the front and back sides of the movable lower-end portion. The method of claim 1, The movable lower-end portion includes an upper slot longitudinally cut through the upper sidewall, wherein the upper slot has a front half relatively wide and a rear half relatively narrow. Poem zipper. The method of claim 1, And the movable lower-end portion further comprises a longitudinal rib disposed in the lower wall to separate the receiving chamber into two halves. The method of claim 4, wherein And the movable lower-end portion further comprises a stop flange extending inwardly at right angles from the vertical rear stop wall. The method of claim 1, The male positioning means is a stop block integrally formed with the upper sidewall of the first plug member, and the female positioning means is a positioning groove formed on an inner wall of the movable lower-end portion inside the receiving chamber. Bottom open-end invisible zipper. The method of claim 1, And the male positioning means of the escape-preventing structure is a triangular stop block. The method of claim 1, The bottom open-ended invisible zipper, characterized in that the number positioning means of the release-proof structure is a wedge shaped block. The method of claim 9, And the stop block is a triangular block. The method of claim 1, And the arm positioning means of the release-preventing structure is a triangular positioning groove. The method of claim 9, And the positioning groove is a triangular groove. The method of claim 1, And said arm positioning means of said anti-separation structure is a long positioning groove. The method of claim 9, And said positioning groove of said arm positioning means is a long groove. The method of claim 1, And said arm positioning means of said release-proof structure is a wedge shaped positioning groove. The method of claim 9, And said positioning groove of said arm positioning means is a wedge-shaped groove. The method of claim 1, The male positioning means is a protruding end block extending laterally from the lower end of the first plug member, and the female positioning means is an end disposed on the rear side of the movable lower-end portion corresponding to the protruding end block. Bottom open-end invisible zipper, characterized in that the notch. The method of claim 1, The male positioning means is a protruding end block integrally formed with the upper sidewall of the first plug member, and the female positioning means is an end notch disposed on the rear side of the movable lower-end portion corresponding to the protruding end block. Bottom open-end invisible zipper, characterized in that. The method of claim 1, The male positioning means includes a plurality of stop blocks respectively disposed on the peripheral wall of the first plug member, wherein the female positioning means corresponds to the movable lower-end corresponding to the stop block of the male positioning means. And a plurality of end notches each disposed at the rear side of the portion.