WO2024135298A1 - スライダー及びダブルスライダーファスナー - Google Patents

スライダー及びダブルスライダーファスナー Download PDF

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Publication number
WO2024135298A1
WO2024135298A1 PCT/JP2023/043155 JP2023043155W WO2024135298A1 WO 2024135298 A1 WO2024135298 A1 WO 2024135298A1 JP 2023043155 W JP2023043155 W JP 2023043155W WO 2024135298 A1 WO2024135298 A1 WO 2024135298A1
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WIPO (PCT)
Prior art keywords
slider
sliders
pair
fastener
protrusion
Prior art date
Application number
PCT/JP2023/043155
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English (en)
French (fr)
Japanese (ja)
Inventor
金源 鄭
献祥 徐
Original Assignee
Ykk株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ykk株式会社 filed Critical Ykk株式会社
Priority to JP2024565737A priority Critical patent/JP7727132B2/ja
Publication of WO2024135298A1 publication Critical patent/WO2024135298A1/ja

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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/26—Sliders
    • A44B19/30—Sliders with means for locking in position

Definitions

  • the present invention relates to technology in the field of slide fasteners, and in particular to slider and double slider fasteners.
  • a well-known slide fastener usually comprises a pair of fastener chains, each of which is made up of a band-shaped fastener tape and a number of fastener elements arranged on the fastener tape, and a slider that is attached to the fastener chain and slides to open and close the fastener elements. If necessary, a pull tab can be provided on the slider.
  • a double slider fastener means a fastener structure in which a pair of sliders is provided on the fastener chain, where the pair of sliders face each other and can slide relatively on the fastener chain.
  • the fastener elements when the pair of sliders slide away from each other on the fastener chain, the fastener elements can be opened, and when the pair of sliders slide toward each other on the fastener chain, the fastener elements can be closed.
  • a lock structure is provided on the pair of sliders as a crime prevention mechanism for a double slider fastener, and it is proposed that the pair of sliders can be locked when the pair of sliders come into contact with each other and the fastener elements are closed, thereby preventing the pair of sliders from being separated by an unexpected operation.
  • the locking structure of conventional double slider fasteners usually requires the provision of different structures (e.g., an engagement recess and an engagement protrusion) on the pair of sliders or the use of additional components (e.g., an engagement pin), which increases the manufacturing costs of the pair of sliders required for the double slider fastener and complicates the operational process for locking the pair of sliders.
  • different structures e.g., an engagement recess and an engagement protrusion
  • the present invention provides a slider and double slider fastener that have an anti-theft mechanism, reduce manufacturing costs, and improve operability.
  • the present invention provides a slider that is applied to be installed in a pair on a fastener tape to form a double slider fastener, the slider comprising an upper wing, a lower wing installed opposite the upper wing, a slider body including a guide post connecting the front ends of the upper wing and the lower wing, and a locking structure installed at the front end of one of the upper wing or the lower wing, the locking structure including a protrusion and a recess, the protrusion protruding forward from the front end of one of the upper wing or the lower wing, and the protrusion
  • the front end of each slider is further provided with a hook that extends toward the other of the upper and lower blades, and when the front ends of the pair of sliders are butted against each other, each slider fits into the recess of the opposing slider by the hook of the protruding part, thereby forming a locked state, and the pair of sliders rotate when a force is applied upward or downward to the front end of at least one of
  • the slider body further includes an operating unit that is installed on the upper surface of the upper blade and close to the front end, and the pair of sliders rotate by applying a force to the front end of at least one of the pair of sliders by the operating unit in the direction of the locking structure, thereby releasing the locked state.
  • the operating part has a protruding surface at its front end and an inclined surface below its outer surface, and when the front ends of the pair of sliders are butted against each other, the protruding surface of the operating part of each slider corresponds to the inclined surface of the operating part of the opposing slider, and when rotation is caused by applying force to the front ends by the operating part, the protruding surface of the operating part of each slider rotates along the inclined surface of the operating part of the opposing slider.
  • the protruding surface and the inclined surface include corresponding arcuate surfaces.
  • the operating portion of each slider overlaps with the operating portion of the opposing slider.
  • the locking structure is installed at the front end of the lower wing, where the protrusion protrudes forward from the front end of the lower wing, the hook extends from the front end of the protrusion toward the upper wing, and the slider rotates by applying a downward force to the front end toward the lower wing to release the locked state.
  • the locking structure is installed at the front end of the upper wing, where the protrusion protrudes forward from the front end of the upper wing, the hook extends from the front end of the protrusion towards the lower wing, and the slider rotates by applying an upward force to the front end towards the upper wing to release the locked state.
  • the slider body and the locking structure are an integrated structure.
  • the protrusion and the recess are arranged side by side in the width direction of one of the upper or lower wing plates, and the pair of sliders have the same shape and exhibit 180-degree rotational symmetry in the horizontal plane in which the fastener tape is located.
  • the present invention further provides a double slider fastener, comprising a fastener tape and a pair of the sliders, wherein the pair of sliders are placed on the fastener tape with their front ends facing each other, and when the front ends are butted against each other, they close the fastener tape to form a locked state, and when the locked state is released, the pair of sliders move away from each other to open the fastener tape.
  • a double slider fastener comprising a fastener tape and a pair of the sliders, wherein the pair of sliders are placed on the fastener tape with their front ends facing each other, and when the front ends are butted against each other, they close the fastener tape to form a locked state, and when the locked state is released, the pair of sliders move away from each other to open the fastener tape.
  • the locking structure installed at the front end of one of the upper or lower wing includes a protrusion and a recess, the protrusion protrudes forward from one of the upper or lower wing and has a hook extending toward the other of the upper or lower wing, and when the front ends of the pair of sliders are butted against each other, each slider is locked by fitting into the recess of the opposing slider by the hook of the protrusion, and the pair of sliders is released from the locked state by applying a force upward or downward to the front end of at least one of the pair of sliders toward the direction of the locking structure.
  • the manufacturing process can be simplified and manufacturing costs can be reduced, and the pair of sliders can be easily locked or unlocked when butted against each other.
  • the slider and double slider fastener of the present invention have a security mechanism, and can reduce manufacturing costs and improve operability.
  • FIG. 1 is a perspective view of a slider according to a first embodiment of the present invention
  • FIG. 2 is a schematic right side view of the slider shown in FIG. 1
  • FIG. 2 is a schematic left side view of the slider shown in FIG. 1
  • FIG. 2 is a schematic bottom view of the slider shown in FIG. 1
  • FIG. 2 is a schematic diagram showing the operation of the slider shown in FIG. 1 applied to a double slider fastener.
  • FIG. 2 is a schematic diagram showing an operation of the slider shown in FIG. 1 applied to a double slider fastener.
  • FIG. 2 is a schematic diagram showing the operation of the slider shown in FIG. 1 applied to a double slider fastener.
  • FIG. 2 is a schematic diagram showing an operation of the slider shown in FIG. 1 applied to a double slider fastener.
  • FIG. 2 is a schematic diagram showing an operation of the slider shown in FIG.
  • FIG. 7 is a schematic right side view of the slider shown in FIG. 6 .
  • FIG. 7 is a schematic left side view of the slider shown in FIG. 6 .
  • FIG. 7 is a schematic plan view of the slider shown in FIG. 6 .
  • FIG. 7 is a schematic diagram showing an operation of the slider shown in FIG. 6 applied to a double slider fastener.
  • FIG. 7 is a schematic diagram showing an operation of the slider shown in FIG. 6 applied to a double slider fastener.
  • FIG. 7 is a schematic diagram showing an operation of the slider shown in FIG. 6 applied to a double slider fastener.
  • FIG. 7 is a schematic diagram showing an operation of the slider shown in FIG. 6 applied to a double slider fastener.
  • FIG. 7 is a schematic diagram showing an operation of the slider shown in FIG. 6 applied to a double slider fastener.
  • FIG. 7 is a schematic diagram showing an operation of the slider shown in FIG. 6 applied to a double slider fastener.
  • Figure 1 is an oblique view of a slider based on a first embodiment of the present invention
  • Figure 2 is a schematic right side view of the slider shown in Figure 1
  • Figure 3 is a schematic left side view of the slider shown in Figure 1
  • Figure 4 is a schematic bottom view of the slider shown in Figure 1
  • Figures 5A to 5E are schematic operation diagrams of the slider shown in Figure 1 applied to a double slider fastener
  • Figure 6 is an oblique view of a slider based on a second embodiment of the present invention
  • Figure 7 is a schematic right side view of the slider shown in Figure 6
  • Figure 8 is a schematic left side view of the slider shown in Figure 6
  • Figure 9 is a schematic plan view of the slider shown in Figure 6
  • Figures 10A to 10E are schematic operation diagrams of the slider shown in Figure 6 applied to a double slider fastener.
  • the slider 100A comprises a slider body 110A and a locking structure 120A.
  • the slider body 110A includes an upper wing 112A, a lower wing 114A arranged opposite the upper wing 112A, and a guide post 116A connecting the front end E1 of the upper wing 112A and the lower wing 114A.
  • the locking structure 120A is installed at the front end E1 of one of the upper wing 112A or the lower wing 114A (e.g., the lower wing 114A).
  • the locking structure 120A includes a protrusion 122A and a recess 124A.
  • the protrusion 122A protrudes forward from the front end E1 of one of the upper wing 112A or the lower wing 114A (e.g., the lower wing 114A), and the front end E1 of the protrusion 122A is further provided with a hook 126A that extends to the other of the upper wing 112A or the lower wing 114A (e.g., the upper wing 112A).
  • the upper wing 112A and the lower wing 114A are installed opposite each other, for example constituting two plate members that face each other in the vertical direction and have approximately the same shape and size.
  • the guide post 116A connects the front ends E1 of the upper wing 112A and the lower wing 114A, but the rear ends E2 opposite to the front ends E1 of the upper wing 112A and the lower wing 114A are configured in an open structure.
  • the slider body 110A can further be provided with a pull handle connecting post 118A above the upper wing 112A, and the rear end of the pull handle connecting post 118A is in an open state (see Figures 1 to 3) and can be used to attach a pull handle P in a subsequent process (see Figures 5A to 5E).
  • the structure of the slider 100A and the fastener chain can be adjusted as necessary, and the present invention is not limited to this.
  • the present invention does not exclude an embodiment in which the slider 100A is applied to a single slider fastener, and the fastener elements on the fastener chain are not limited to being coil elements or zigzag elements, and can be adjusted as necessary.
  • the locking structure 120A is installed at the front end E1 of the lower wing 114A, and the protrusion 122A and the recess 124A of the locking structure 120A are arranged side by side in the width direction of one of the upper wing 112A or the lower wing 114A, and preferably arranged side by side in the width direction of the lower wing 114A at the front end E1 of the lower wing 114A.
  • the protrusion 122A is arranged on the right side S3 of the front end E1 of the lower wing 114A, and the recess 124A is arranged on the left side S4 of the front end E1 of the lower wing 114A, but this is not limited to this.
  • the protrusion 122A protrudes forward from the right side S3 of the front end E1 of the lower wing 114A, and the hook 126A extends from the front end of the protrusion 122A toward the upper wing 112A.
  • the recess 124A is recessed upward on the left side S4 of the front end E1 of the lower wing 114A.
  • the size of the recess 124A is equal to or larger than the size of the hook 126A.
  • the recess 124A is an upward recessed portion formed by the rear end of the protrusion 128A protruding downward from the lower surface of the lower wing 114A (see Figures 3 and 4), but the recess 124A can be formed by omitting the installation of the protrusion 128A and installing a portion that recesses upward on the lower surface of the lower wing 114A.
  • the recess 124A may be a closed or non-closed shape, as long as it can engage with the hook 126A, and the present invention is not limited to this.
  • the slider 100A is applied to be installed in pairs on the fastener tape T to form a double slider fastener 50A.
  • the fastener tape T and a fastener element (not shown) form a fastener chain, and the fastener tape T penetrates between the upper wing 112A and the lower wing 114A of the slider body 110A, so that the lock structure 120A installed on the front end E1 of the lower wing 114A is located below the fastener tape T (but is not limited to this).
  • the double slider fastener 50A includes the fastener tape T and a pair of sliders 100A, where the pair of sliders 100A have the same structure and are installed on the fastener tape T with their front ends E1 facing each other.
  • the front ends E1 of the pair of sliders 100A are butted against each other, they close the fastener tape T to form a locked state (see FIG. 5C), and when the locked state is released, the pair of sliders 100A move away from each other to open the fastener tape T (see FIG. 5E).
  • the rear ends of the pull tab connecting posts 118A of the pair of sliders 100A are reinforced after the pull tab P is attached and extend toward the upper wing plate 112A, and the pull tab P can be attached to the pull tab connecting posts 118A to prevent the pull tab P from falling off, but the present invention does not limit the structure and attachment method of the pull tab P, and adjustments can be made as necessary.
  • a pair of sliders 100A that are installed in a pair on the fastener tape T are installed on the fastener tape T so that their front ends E1 face each other.
  • the locking structures 120A installed on the front ends E1 of the lower wing plates 114A of the slider bodies 110A in the pair of sliders 100A also face each other.
  • the front side S1 and rear side S2 of the slider 100A facing each slider 100A are reversed, and the right side S3 and left side S4 are reversed.
  • the pair of sliders 100A have the same shape and exhibit 180-degree rotational symmetry in the horizontal plane where the fastener tape T is located, and thus the protrusion 122A and hook 126A protruding from the right side S3 of the front end E1 of the lower wing 114A in the locking structure 120A of each slider 100A correspond to the recess 124A on the left side S4 of the front end E1 of the lower wing 114A in the locking structure 120A of the opposing slider 100A, thereby enabling locking.
  • the fastener tape T and fastener elements can be closed, and when the sliders 100A slide (i.e., retreat) toward their respective rear sides S2 and separate from each other, the fastener tape T and fastener elements can be opened.
  • each slider 100A fits into the recess 124A of the opposing slider 100A by the hook 126A of the protrusion 122A, and for example, the hook 126A moves from below to above and engages with the recess 124A recessed upward, forming a locked state.
  • the above process changes, for example, from the state shown in FIG. 5A to the state shown in FIG. 5C.
  • the hooks 126A of the locking structures 120A of each slider 100A and the recesses 124A of the locking structures 120A of the opposing sliders 100A form interference at least in the front-to-rear direction (i.e., the longitudinal direction of the fastener tape T), so that the pair of sliders 100A locked by the locking structures 120A cannot slide on the fastener tape T and separate from each other while in the locked state.
  • the sliders 100A and the double slider fastener 50A to which such sliders 100A are applied have an anti-theft mechanism.
  • the slider body 110A and the locking structure 120A of each of a pair of sliders 100A having the same structure are preferably of an integral structure, i.e., they can be manufactured by the same process without additional assembly operations, further simplifying the manufacturing process and reducing manufacturing costs.
  • the slider 100A may be constructed by assembling the slider body 110A and the locking structure 120A that are manufactured separately. As long as a pair of sliders 100A having the same structure are used to construct a double slider fastener 50A, the manufacturing process can be simplified and manufacturing costs can be reduced, and the present invention is not limited thereto.
  • the locking structures 120A of the pair of sliders 100A form interference in the front-to-rear direction to lock, but the locking structure 120A of each slider 100A can be released from the locked state by moving the hook 126A out of the recess 124A of the locking structure 120A of the opposing slider 100A. That is, the pair of sliders 100A rotate and release the locked state by applying a force downward to the front end E1 (e.g., by pressing the front end E1 along the arrow F shown in Figures 5C and 5D) in the direction in which the locking structure 120A is located (i.e., corresponding to the lower side of the lower wing 114A).
  • the slider 100A rotates by applying a downward force to the front end E1 toward the lower wing 114A (i.e., downward), causing the hook 126A of the locking structure 120A of each slider 100A to move downward from the recess 124A of the locking structure 120A of the opposing slider 100A, thereby releasing the locked state.
  • the above process changes, for example, from the state shown in FIG. 5C to the state shown in FIG. 5E.
  • the pair of sliders 100A whose locked state has been released can slide on the fastener tape T and separate from each other (see FIG. 5E).
  • the pair of sliders 100A can easily lock or unlock when they are butted against each other, improving the operability of the slider 100A and the double slider fastener 50A.
  • the slider 100A and the double slider fastener 50A have a security mechanism, and can reduce manufacturing costs and improve operability.
  • the slider body 110A further includes an operating unit 119A, which is installed on the upper surface of the upper wing 112A and close to the front end E1.
  • the paired slider 100A rotates and releases the locked state by applying a force downward to the front end E1 (for example, by pressing the front end E1 along the arrow F shown in Figures 5C and 5D) by the operating unit 119A toward the direction of the locking structure 120A (i.e., corresponding to the lower side of the lower wing 114A) toward the direction of the locking structure 120A, thereby releasing the locked state.
  • the operating unit 119A of each slider 100A overlaps with the operating unit 119A of the opposing slider 100A.
  • the force may be applied to each of the operation parts 119A of the pair of sliders 100A, or the installation of the operation parts 119A may be omitted and the force may be applied directly to the front end E1 of the pair of sliders 100A.
  • the present invention does not limit the relative position of the operation parts 119A of the pair of sliders 100A (i.e., the operation parts 119A overlap each other) or the presence or absence of the installation of the operation parts 119A, and adjustments can be made as necessary.
  • the operating unit 119A has a protruding surface 119A1 at the front end, and an inclined surface 119A2 below the outer surface of the operating unit 119A.
  • the protruding surface 119A1 is, for example, a front end surface corresponding to the front side S1 of the operating unit 119A
  • the inclined surface 119A2 is, for example, a front end surface of a recessed groove formed on the outer surface of the operating unit 119A. That is, the protruding surface 119A1 and the inclined surface 119A2 are installed side by side in the width direction of the operating unit 119A.
  • the protruding surface 119A1 and the inclined surface 119A2 include, for example, corresponding circular arc curved surfaces, but the present invention is not limited to this.
  • the front ends E1 of the pair of sliders 100A are butted against each other (i.e., the state shown in Figs.
  • the operating portion 119A of each slider 100A is located in a groove formed on the outer surface of the operating portion 119A of the opposing slider 100A, and the protruding surface 119A1 of the operating portion 119A of each slider 100A corresponds to the inclined surface 119A2 of the operating portion 119A of the opposing slider 100A, so that the operating portion 119A of each slider 100A overlaps the operating portion 119A of the opposing slider 100A.
  • the present invention does not limit the specific structure of the operating portion 119A, and adjustments can be made as necessary.
  • the user applies force downward to the operating part 119A installed at the front end E1 of the slider 100A, and the operating part 119A rotates along a path formed by the protruding surface 119A1 and the opposing inclined surface 119A2, thus making it possible to more smoothly apply force to the front end E1 to generate rotation.
  • the present invention does not limit the specific structure of the operating part 119A, and adjustments can be made as necessary.
  • the slider 100B comprises a slider body 110B and a locking structure 120B.
  • the slider body 110B includes an upper wing 112B, a lower wing 114B arranged opposite the upper wing 112B, and a guide post 116B connecting the front ends E1 of the upper wing 112B and the lower wing 114B.
  • the locking structure 120B is installed at the front end E1 of one of the upper wing 112B or the lower wing 114B (e.g., the upper wing 112B).
  • the locking structure 120B includes a protrusion 122B and a recess 124B.
  • the protrusion 122B protrudes forward from the front end E1 of one of the upper wing 112B or the lower wing 114B (e.g., the upper wing 112B), and the front end E1 of the protrusion 122B is further provided with a hook 126B that extends toward the other of the upper wing 112B or the lower wing 114B (e.g., the lower wing 114B).
  • the slider 100B and the slider 100A of the first embodiment have similar structures and operating means.
  • the specific structures of the upper wing 112B, lower wing 114B, guide post 116B, and pull tab connecting post 118B of the slider body 110B reference may be made to the description of the upper wing 112A, lower wing 114A, guide post 116A, and pull tab connecting post 118A of the slider body 110A of the first embodiment, and for the specific structures of the protrusion 122B, recess 124B, and hook 126B of the locking structure 120B, reference may be made to the description of the protrusion 122A, recess 124A, and hook 126A of the locking structure 120A of the first embodiment, and the description thereof will be omitted.
  • the main difference between slider 100B and slider 100A of the first embodiment is that the lock structure 120B provided on slider 100B is in a different position from the lock structure 120A provided on slider 100A of the first embodiment.
  • the locking structure 120B is installed at the front end E1 of the upper wing 112B, and the protrusion 122B and recess 124B of the locking structure 120B are arranged side by side in the width direction of one of the upper wing 112B or the lower wing 114B, and preferably arranged side by side in the width direction of the upper wing 112B at the front end E1 of the upper wing 112B.
  • the protrusion 122B is arranged on the right side S3 of the front end E1 of the upper wing 112B, and the recess 124B is arranged on the left side S4 of the front end E1 of the upper wing 112B, but this is not limited to this.
  • the protrusion 122B protrudes forward from the right side S3 of the front end E1 of the upper wing 112B, and the hook 126B extends from the front end of the protrusion 122B toward the lower wing 114B.
  • the recess 124B is recessed downward on the left side S4 of the front end E1 of the upper blade 112B.
  • the size of the recess 124B is equal to or larger than the size of the hook 126B.
  • the recess 124B is provided on the upper surface of the upper blade 112B in a portion recessed downward (see Figures 8 and 9), but it is also possible to provide a protrusion protruding upward on the upper surface of the upper blade 112B, and form the rear part as a portion recessed downward to form the recess 124B.
  • the recess 124B may be of a closed or non-closed shape, as long as it can engage with the hook 126B, and the present invention is not limited to this.
  • the slider 100B is applied to be installed in a pair on the fastener tape T to form a double slider fastener 50B.
  • the fastener tape T and a fastener element (not shown) form a fastener chain, and the fastener tape T penetrates between the upper wing 112B and the lower wing 114B of the slider body 110B, so that the lock structure 120B installed on the front end E1 of the upper wing 112B is positioned above the fastener tape T (but is not limited to this).
  • the double slider fastener 50B includes the fastener tape T and a pair of sliders 100B, where the pair of sliders 100B have the same structure and are installed on the fastener tape T with their front ends E1 facing each other.
  • the front ends E1 of the pair of sliders 100B are butted against each other, they close the fastener tape T to form a locked state (see FIG. 10C), and when the locked state is released, the pair of sliders 100B move away from each other to open the fastener tape T (see FIG. 10E).
  • the rear ends of the pull tab connecting posts 118B of each pair of sliders 100B are reinforced after the pull tab P is attached and extend toward the upper wing plate 112B, and the pull tab P can be attached to the pull tab connecting posts 118B to prevent the pull tab P from falling off, but the present invention does not limit the structure and attachment method of the pull tab P, and adjustments can be made as necessary.
  • a pair of sliders 100B that are installed in a pair on the fastener tape T are installed on the fastener tape T so that their front ends E1 face each other.
  • the locking structures 120B installed on the front ends E1 of the upper wing plates 112B of the slider bodies 110B in the pair of sliders 100B also face each other.
  • the front side S1 and rear side S2 of the slider 100B facing each slider 100B are reversed, and the right side S3 and left side S4 are reversed.
  • the paired sliders 100B have the same shape and exhibit 180-degree rotational symmetry in the horizontal plane where the fastener tape T is located, and thus the protrusion 122B and hook 126B protruding from the right side S3 of the front end E1 of the upper wing 112B in the locking structure 120B of each slider 100B correspond to the recess 124B on the left side S4 of the front end E1 of the upper wing 112B in the locking structure 120B of the opposing slider 100B, thereby enabling locking.
  • the fastener tape T and fastener elements can be closed, and when the sliders 100B slide (i.e., retreat) toward their respective rear sides S2 and separate from each other, the fastener tape T and fastener elements can be opened.
  • each slider 100B fits into the recess 124B of the opposing slider 100B by the hook 126B of the protrusion 122B, and for example, the hook 126B moves from above to below and engages with the recess 124B recessed downward, forming a locked state.
  • the above process changes, for example, from the state shown in FIG. 10A to the state shown in FIG. 10C.
  • the hooks 126B of the locking structures 120B of each slider 100B and the recesses 124B of the locking structures 120B of the opposing slider 100B form interference at least in the front-to-rear direction (i.e., the longitudinal direction of the fastener tape T), so that the pair of sliders 100B locked by the locking structures 120B cannot slide on the fastener tape T and separate from each other while in the locked state.
  • the slider 100B and the double slider fastener 50B to which such slider 100B is applied have an anti-theft mechanism.
  • the slider body 110B and the locking structure 120B of each of a pair of sliders 100B having the same structure are preferably of an integral structure, i.e., they can be manufactured by the same process without additional assembly operations, further simplifying the manufacturing process and reducing manufacturing costs.
  • the slider 100B may be constructed by assembling the slider body 110B and the locking structure 120B that are manufactured separately. As long as a double slider fastener 50B is constructed using a pair of sliders 100B having the same structure, the manufacturing process can be simplified and manufacturing costs can be reduced, and the present invention is not limited thereto.
  • the locking structures 120B of the pair of sliders 100B form interference in the front-to-rear direction to lock, but the locking structure 120B of each slider 100B can be released from the locked state by moving the hook 126B out of the recess 124B of the locking structure 120B of the opposing slider 100B. That is, the pair of sliders 100B rotate and release the locked state by applying an upward force to the front end E1 (e.g., pulling the front end E1 along the arrow F shown in Figures 10C and 10D) toward the direction in which the locking structure 120B is located (i.e., corresponding to the upper side of the upper wing 112B).
  • the slider 100B rotates by applying a force upward to the front end E1 toward the upper wing 112B (i.e., upward), causing the hook 126B of the locking structure 120B of each slider 100B to move upward from the recess 124B of the locking structure 120B of the opposing slider 100B, thereby releasing the locked state.
  • the above process changes, for example, from the state shown in FIG. 10C to the state shown in FIG. 10E.
  • the pair of sliders 100B whose locked state has been released can slide on the fastener tape T and separate from each other (see FIG. 10E).
  • the pair of sliders 100B can easily lock or unlock when butted against each other, improving the operability of the slider 100B and the double slider fastener 50B.
  • the slider 100B and the double slider fastener 50B have a security mechanism, and can reduce manufacturing costs and improve operability.
  • the slider body 110B further includes an operating unit 119B, which is installed on the upper surface of the upper wing 112B and close to the front end E1.
  • the paired slider 100B rotates by applying a force to the front end E1 (for example, pulling the front end E1 along the arrow F shown in Figures 10C and 10D) in the direction of the locking structure 120B (i.e., corresponding to the upper side of the upper wing 112B) by the operating unit 119B, thereby releasing the locked state.
  • the operating unit 119B of each slider 100B overlaps with the operating unit 119B of the opposing slider 100B.
  • the force may be applied to each of the operation parts 119B of the pair of sliders 100B, or the installation of the operation parts 119B may be omitted and the force may be applied directly to the front end E1 of the pair of sliders 100B.
  • the present invention does not limit the relative position of the operation parts 119B of the pair of sliders 100B (i.e., the operation parts 119B overlap each other) or the presence or absence of the operation parts 119B, and adjustments can be made as necessary.
  • the operating portion 119B has a protruding surface 119B1 at the front end, and an inclined surface 119B2 below the outer surface of the operating portion 119B.
  • the protruding surface 119B1 is, for example, a front end surface corresponding to the front side S1 of the operating portion 119B
  • the inclined surface 119B2 is, for example, a front end surface of a recessed groove formed on the outer surface of the operating portion 119B. That is, the protruding surface 119B1 and the inclined surface 119B2 are installed side by side in the width direction of the operating portion 119B.
  • the protruding surface 119B1 and the inclined surface 119B2 include, for example, corresponding circular arc curved surfaces, although the present invention is not limited to this.
  • the front ends E1 of the pair of sliders 100B are butted against each other (i.e., the state shown in Figs.
  • the operating portion 119B of each slider 100B is located in a groove formed on the outer surface of the operating portion 119B of the opposing slider 100B, and the protruding surface 119B1 of the operating portion 119B of each slider 100B corresponds to the inclined surface 119B2 of the operating portion 119B of the opposing slider 100B, so that the operating portion 119B of each slider 100B overlaps the operating portion 119B of the opposing slider 100B.
  • the present invention does not limit the specific structure of the operating portion 119B, and adjustments can be made as necessary.
  • the locking structure includes a protrusion and a recess arranged in the width direction of one of the upper or lower wing plates, the protrusion protrudes forward from one of the upper or lower wing plates, and a hook is provided extending to the other of the upper or lower wing plates.
  • the manufacturing process can be simplified and the manufacturing cost can be reduced, and the pair of sliders can be easily locked or unlocked when butted against each other.
  • the slider body and the locking structure are of an integral structure.
  • the pair of sliders have the same shape and exhibit 180-degree rotational symmetry in the horizontal plane where the fastener tape is located.
  • the slider and double slider fastener of the present invention have a security mechanism, reduce manufacturing costs, and improve operability.
  • a slider that is installed in pairs on a fastener tape to form a double slider fastener
  • a slider body including an upper blade, a lower blade disposed opposite the upper blade, and a guide post connecting the front ends of the upper blade and the lower blade
  • a locking structure installed at a front end of one of the upper blade or the lower blade; Equipped with The locking structure includes a protrusion and a recess, The protruding portion protrudes forward from a front end of one of the upper blade or the lower blade, and a hook is further provided at the front end of the protruding portion, the hook extending toward the other of the upper blade or the lower blade;
  • the slider body further includes an operating portion, the operating portion being disposed on the upper surface of the upper blade and in a position close to the front end thereof,
  • the slider of the pair described in (1) is characterized in that at least one of the pair of sliders is rotated by applying force to the front end of the slider in the direction of the locking structure by the operating part, thereby releasing the locked state.
  • a protruding surface is provided at a front end of the operation portion, A slope is provided below the outer surface of the operation unit,
  • the protruding surface of the operating portion of each slider corresponds to the inclined surface of the operating portion of the opposing slider
  • the slider described in (2) is characterized in that, when rotation is generated by applying force to the front end using the operating part, the protruding surface of the operating part of each of the sliders rotates along the inclined surface of the operating part of the opposing slider.
  • the slider according to (3) wherein when the front ends of the pair of sliders are butted against each other, the operating portion of each slider overlaps with the operating portion of the opposing slider.
  • the locking structure is installed at the front end of the lower wing, The slider described in any one of (1) to (5), characterized in that the protrusion protrudes forward from the front end of the lower wing, and the hook extends from the front end of the protrusion toward the upper wing, and the slider rotates by applying a downward force to the front end toward the lower wing, thereby releasing the locked state.
  • the locking structure is installed at the front end of the upper blade,
  • the protrusion and the recess are arranged side by side in the width direction of one of the upper blade or the lower blade, A slider described in any one of (1) to (5), characterized in that the pair of sliders have the same shape and exhibit 180-degree rotational symmetry in the horizontal plane in which the fastener tape is located.

Landscapes

  • Slide Fasteners (AREA)
PCT/JP2023/043155 2022-12-23 2023-12-01 スライダー及びダブルスライダーファスナー WO2024135298A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024565737A JP7727132B2 (ja) 2022-12-23 2023-12-01 スライダー及びダブルスライダーファスナー

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211660411.4A CN118266690A (zh) 2022-12-23 2022-12-23 拉头以及双拉头拉链
CN202211660411.4 2022-12-23

Publications (1)

Publication Number Publication Date
WO2024135298A1 true WO2024135298A1 (ja) 2024-06-27

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Country Status (3)

Country Link
JP (1) JP7727132B2 (enrdf_load_stackoverflow)
CN (1) CN118266690A (enrdf_load_stackoverflow)
WO (1) WO2024135298A1 (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6290514U (enrdf_load_stackoverflow) * 1985-11-25 1987-06-10
JP2007044535A (ja) * 2005-08-10 2007-02-22 Ykk Corp スライドファスナー用スライダーとスライドファスナー
JP2007529236A (ja) * 2004-03-15 2007-10-25 Ｙｋｋ株式会社 スライドファスナー
JP2018183405A (ja) * 2017-04-26 2018-11-22 Ykk株式会社 スライドファスナー
JP2020074939A (ja) * 2018-11-08 2020-05-21 Ykk株式会社 スライドファスナー用連結具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6290514U (enrdf_load_stackoverflow) * 1985-11-25 1987-06-10
JP2007529236A (ja) * 2004-03-15 2007-10-25 Ｙｋｋ株式会社 スライドファスナー
JP2007044535A (ja) * 2005-08-10 2007-02-22 Ykk Corp スライドファスナー用スライダーとスライドファスナー
JP2018183405A (ja) * 2017-04-26 2018-11-22 Ykk株式会社 スライドファスナー
JP2020074939A (ja) * 2018-11-08 2020-05-21 Ykk株式会社 スライドファスナー用連結具

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JP7727132B2 (ja) 2025-08-20
CN118266690A (zh) 2024-07-02
JPWO2024135298A1 (enrdf_load_stackoverflow) 2024-06-27

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