EP2752126B1 - Curseur pour fermeture à glissière - Google Patents

Curseur pour fermeture à glissière Download PDF

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Publication number
EP2752126B1
EP2752126B1 EP11871420.3A EP11871420A EP2752126B1 EP 2752126 B1 EP2752126 B1 EP 2752126B1 EP 11871420 A EP11871420 A EP 11871420A EP 2752126 B1 EP2752126 B1 EP 2752126B1
Authority
EP
European Patent Office
Prior art keywords
post section
pair
side engagement
cover member
slider
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP11871420.3A
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German (de)
English (en)
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EP2752126A4 (fr
EP2752126A1 (fr
Inventor
Hsien Hsiang Hsu
Morimasa Yoneoka
Yuichi Iwase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YKK Corp
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YKK Corp
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Publication date
Application filed by YKK Corp filed Critical YKK Corp
Publication of EP2752126A1 publication Critical patent/EP2752126A1/fr
Publication of EP2752126A4 publication Critical patent/EP2752126A4/fr
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Publication of EP2752126B1 publication Critical patent/EP2752126B1/fr
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Classifications

    • 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
    • A44B19/306—Sliders with means for locking in position in the form of a locking spring member actuated by the pull member

Definitions

  • the present invention relates to a slider for slide fastener.
  • a slider for slide fastener there is a slider that includes a body, a cover member, and a pull-tab.
  • the cover member includes a hook which enters an element guide path through a hook hole of the body, an elastic piece which presses the cover member so that the hook enters the element guide path, and front-side and rear-side engagement pieces which are respectively engaged with front-side and rear-side post sections which are erected on the upper surface of the body.
  • the front-side post section has a rear-side engagement recess which is engaged with the rear-side engagement piece of the cover member.
  • Patent Document 1 See, for example, Patent Document 1.
  • Patent Document 1 Japanese Patent Application Publication No. 2007-111351A
  • Patent Document 1 in order to cast the body disclosed in Patent Document 1, there required are an upper mold, a lower mold, a slide core which moves in the front-rear direction of the body in order to form an element guide path, and a slide core which moves in the lateral direction perpendicular to the front-rear direction of the body in order to form front-side engagement recesses and rear-side engagement recesses in a front-side post section and a rear-side post section.
  • the bodies are molded in the state in which they are arranged in the lateral direction.
  • the range in which the slide core can move is required to be obtained also in the lateral direction of the mold. This consequently reduces the space in which the bodies are arranged. Therefore, the number of bodies that can be produced in a single casting process must be reduced, thereby increasing the manufacturing cost of the slider for slide fastener.
  • an object of the present invention is to provide a slider for slide fastener in which a plurality of bodies can be produced in a single casting process and the manufacturing cost can be reduced.
  • the object of the present invention is achieved by the following configurations.
  • the front-side and rear-side engagement recesses are formed to penetrate through the body in the front-rear direction, the front-side and rear-side engagement recesses can be formed using the slide core which moves in the front-rear direction of the body. It is therefore possible to preclude the slide core which moves in the lateral direction of the body and with which the front-side and rear-side engagement recesses 31 and are formed. Due to this, a plurality of bodies can be produced in a single casting process, thereby reducing the manufacturing cost of the slider.
  • the latching step portions are respectively formed on the right and left surfaces of the front-side post section, and the latching protrusions which are latched to the latching step portions are respectively formed on the pair of right and left front-side engagement pieces.
  • an upper side refers to an upper side with respect to the paper surface of FIG. 2
  • a lower side refers to a lower side with respect to the paper surface of FIG. 2
  • a front side refers to a right side with respect to the paper surface of FIG. 2
  • a rear side refers to a left side with respect to the paper surface of FIG. 2
  • a right side refers to a near side with respect to the paper surface of FIG. 2
  • a left side refers to a depth side with respect to the paper surface of FIG. 2
  • the left-right direction of the slider is also referred to as a lateral direction.
  • a first embodiment of the slide fastener according to the present invention will be described first with reference to FIG. 1 to FIG 7 .
  • the slider for slide fastener 10 is a slider having an automatic stop function.
  • the slider 10 has a body 20 which has an element guide path 27 which extends through the inside of the body 20 in the front-rear direction.
  • the body 20 includes upper and lower blades 21 and 22 which are arranged in parallel so as to be spaced apart from each other in the upward and downward direction, a guide post 23 which connects the front end portion of the upper blade 21 to the front end portion of the lower blade 22, upper flanges 24a which protrude downward along right and left side edges of the upper blade 21, and lower flanges 24b which protrude upward along right and left side edges of the lower blade 22.
  • right and left shoulder mouths 25 which are divided by the guide post 23 are formed in the front portion of the body 20, and a rear mouth 26 is formed in the rear portion of the body 20.
  • a substantially Y-shaped element guide path 27 which allows the right and left shoulder mouths 25 and the rear mouth 26 to communicate with each other is formed between the upper and lower blades 21 and 22.
  • This element guide path 27 forms a passage through which fastener element rows (not shown) are inserted.
  • a front-side post section 30 and a rear-side post section 40 are respectively erected on the front end portion and the rear end portion of the upper surface of the upper blade 21.
  • a cover member 50 is supported on the front-side post section 30 and the rear-side post section 40 so as to rock in the upward and downward direction.
  • the shaft portion 11a of a pull-tab 11 is set between the front-side post section 30 and the rear-side post section 40 of the body 20
  • the shaft portion 11a of the pull-tab 11 is covered from above by the cover member 50 and is situated between the upper surface of the upper blade 21 and the cover member 50. Consequently, the pull-tab 11 is attached to the body 20.
  • the cover member 50 is made by bending one sheet of plate member, and as shown in FIG. 1 and FIG. 2 , has a rectangular top plate 51 which extends in the front-rear direction and a pair of right and left side plates 52 which extend downward from both side edges of the top plate 51.
  • the cover member 50 also has pull-tab receiving recesses 53, a hook 54 and an elastic piece 55.
  • the pull-tab receiving recesses 53 are respectively formed in the pair of right and left side plates 52, are recessed upward, and receive the shaft portion 11a of the pull-tab 11.
  • the hook 54 extends downward from the portion of the right side plate 52 that is behind the pull-tab receiving recesses 53, and enters the element guide path 27 through the hook hole 21a formed in the upper blade 21.
  • the elastic piece 55 extends forward from the front end portion of the top plate 51, the leading end of the elastic piece 55 being bent downward, and urges the cover member 50 so that the hook 54 enters the element guide path 27.
  • the cover member 50 also has a pair of right and left front-side engagement pieces 56 and a pair of right and left rear-side engagement pieces 57.
  • the pair of right and left front-side engagement pieces 56 respectively extend forward from the front end portions of the pair of right and left side plates 52, and engage with the front-side post section 30.
  • the pair of right and left rear-side engagement pieces 57 respectively extend rearward from the rear end portions of the pair of right and left side plates 52, and engage with the rear-side post section 40.
  • the hook hole 21a extends in a penetrating fashion from the upper surface of the upper blade 21 to the element guide path 27.
  • the elastic piece 55 urges the cover member 50 rearward and downward through contact with an elastic piece receiving portion 33 which will be described later.
  • Front-side engagement recesses 31 with which the pair of right and left front-side engagement pieces 56 of the cover member 50 engage are respectively formed in right and left side surfaces of the front-side post section 30.
  • the front-side engagement recess 31 in the left side surface of the front-side post section 30 is opened to the left of the body 20, and the front-side engagement recess 31 in the right side surface of the front-side post section 30 is opened to the right of the body 20.
  • the front-side engagement recesses 31 are respectively formed in a penetrating fashion in the front-rear direction of the body 20, the front-side engagement recesses 31 are respectively opened in the front-rear direction of the body 20.
  • the upper surfaces of the front-side engagement recesses 31 respectively form engagement surfaces 31a.
  • the engagement surfaces 31a are the surfaces that respectively face the upper surfaces 56a of the front-side engagement pieces 56, and abut to the upper surfaces 56a of the front-side engagement pieces 56 so as to prevent the cover member 50 from moving upward.
  • protrusions 32 which protrude outward in the lateral direction of the body 20 are respectively formed on the front end sides of the front-side post section 30 that are also the upper ends of the right and left side surfaces of the front-side post section 30.
  • the outer surfaces of the protrusions 32 form slope surfaces 32a which are inclined downward to the bottom from the upper end the front-side post section 30.
  • the protrusions 32 are configured such that their thickness in the lateral direction gradually increases in the direction from the upper end to the bottom of the front-side post section 30 in order to form the engagement surfaces 31a of the front-side engagement recesses 31.
  • front surfaces of the right and left protrusions 32 are surfaces that continue from the front surface of the front-side post section 30.
  • the rear surfaces 32b of the protrusions 32 and the front end surfaces 52a of the right and left side plates 52 of the cover member 50 face each other in the front-rear direction of the body 20. Furthermore, the cover member 50 is prevented from moving forward through contact between the rear surfaces of the protrusions 32 and the front end surfaces 52a of the side plates 52.
  • an elastic piece receiving portion 33 is formed in the front surface of the front-side post section 30.
  • the elastic piece receiving portion 33 extends forward and downward from the upper end portion of the front-side post section 33 to the front surface of the guide post 23, receives the elastic piece 55 of the cover member 50, and has a concave shape that is opened forward.
  • the elastic piece receiving portion 33 has a bottom surface 33a, a pair of right and left side surfaces 33b which extend forward from right and left end edges of the bottom surface 33a, and a lower end surface 33c which extends forward from the lower end edge of the bottom surface 33a.
  • latching step portions 34 which are recessed upward are respectively formed in the front portions of the engagement surfaces 31a of the right and left front-side engagement recesses 31, and latching protrusions 58 are respectively formed on the upper surfaces of the front ends of the pair of right and left front-side engagement pieces 56.
  • the latching protrusions 58 protrude upward so as to latch to the latching step portions 34.
  • Each of the latching step portions 34 has an engagement surface 34a and a stopper surface 34b.
  • the engagement surface 34a faces a corresponding upper surface of the latching protrusions 58.
  • the stopper surface 34b is the surface that faces a corresponding rear surface of the latching protrusions 58, and abuts to the rear surface of the latching protrusions 58 so as to prevent the cover member 50 from moving rearward.
  • the surfaces engagement is not the surface that engages with a corresponding latching protrusion 58 but is configured so as to avoid contact (interference) with the latching protrusion 58.
  • the cover member 50 when the cover member 50 is pulled up by the pull-tab 11, the cover member 50 rotates about the points of contact between the front end surfaces 52a of the right and left side plates 52 and the rear surfaces 32b of the right and left protrusions 32 of the front-side post section 30.
  • the front end portions of the latching step portions 34 are opened forward, they can be formed by a slide core K3 which moves in the front-rear direction of the body 20 (see FIG. 6 ).
  • the upper surfaces of the front-side engagement pieces 56 are formed as inclined surfaces that are inclined downward from the leading end side to the base end side. Therefore, when the cover member 50 is attached to the body 20, the engagement surfaces 31a of the front-side engagement recesses 31 are horizontal surfaces that are parallel to the front-rear direction of the body 20, whereas the upper surfaces 56a of the front-side engagement pieces 56 are inclined downward in the direction from the front side to the rear side of the body 20. That is, the gaps between the engagement surfaces 31a of the front-side engagement recesses 31 and the upper surfaces 56a of the front-side engagement pieces 56 gradually increase in the direction from the front side to the rear side of the body 20.
  • Rear-side engagement recesses 41 are respectively formed on the right and left side surfaces of the rear-side post section 40.
  • the pair of right and left rear-side engagement pieces 57 of the cover member 50 engage with the rear-side engagement recesses 41.
  • the rear-side engagement recess 41 in the left side surface of the rear-side post section 40 is opened to the left of the body 20, and the rear-side engagement recess 41 in the right side surface of the rear-side post section 40 is opened to the right of the body 20.
  • the rear-side engagement recesses 41 are respectively formed in a penetrating fashion in the front-rear direction of the body 20, the rear-side engagement recesses 41 are respectively opened in the front-rear direction of the body 20.
  • the engagement surfaces 41a are the surfaces that respectively face the upper surfaces of the rear-side engagement pieces 57, and abut to the upper surfaces of the front-side engagement pieces 57 so as to prevent the cover member 50 from moving upward.
  • a guide portion 42 is formed on the left end of the front surface of the rear-side post section 40 so as to extend forward, and has a triangular shape when viewed from the side.
  • the guide portion 42 allows the shaft portion 11a of the pull-tab 11 to climb thereon and guides the movement (upward movement) of the shaft portion 11a.
  • the guide portion 42 serves to move the cover member 50 upward by guiding the movement of the shaft portion 11 a.
  • the upper mold K1 and the front and rear slide cores K3 and K4 cooperate to mold the front-side post section 30 and rear-side post section 40 provided on the upper surface of the body 20.
  • the front and rear slide cores K3 and K4 can move toward and away from each other along the lower surface of the upper mold K1.
  • the front and rear slide cores K3 and K4 move toward each other when the body 20 is being molded. After the body 20 is molded, the front and rear slide cores K3 and K4 move away from each other.
  • the front slide core K3 has a first molding recess K31 in the leading end thereof, and a portion of the front surface of the front-side post section 30, a portion of the left surface of the front-side post section 30 and a portion of the right surface of the front-side post section 30 are molded in the first molding recess K31 (see FIG. 7 ).
  • the rear slide core K4 has a second molding recess K41 in the leading end thereof, and a portion of the rear surface of the rear-side post section 40, a portion of the left surface of the rear-side post section 40 and a portion of the right surface of the rear-side post section 40 are molded in the rear slide core K4 (see FIG. 7 ).
  • the front slide core K3 has a step portion K32 on the upper surface of the leading end portion, the step portion K32 being recessed downward (see FIG. 6 ). Due to this, the engagement surfaces 34a of the latching step portions 34 are molded in the upper surface of the slide core K3, and the engagement surfaces 31 a of the front-side engagement recesses 31 and the stopper surfaces 34b of the latching step portions 34 are molded in the step portion K32. In addition, the guide portion 42 and the hook hole 21 a are molded by the upper mold K1 alone.
  • the front-side and rear-side engagement recesses 31 and 41 are formed to penetrate through the body 20 in the front-rear direction, the front-side and rear-side engagement recesses 31 and 41 can be formed using the slide core which moves in the front-rear direction of the body 20. It is therefore possible to preclude the slide core which moves in the lateral direction of the body 20 and with which the front-side and rear-side engagement recesses 31 and 41 are formed. Due to this, a plurality of bodies 20 can be produced in a single casting process, thereby reducing the manufacturing cost of the slider 10.
  • the latching step portions 34 are respectively formed on the right and left surfaces of the front-side post section 30, and the latching protrusions 58 which are latched to the latching step portions 34 are respectively formed on the pair of right and left front-side engagement pieces 56.
  • latching step portions 61 which are recessed downward are respectively formed in the upper blade 21 which forms the lower surfaces of the right and left front-side engagement recesses 31 and latching protrusions 62 which protrude downward are respectively formed on the lower surfaces of the front ends of the pair of right and left front-side engagement pieces 56.
  • the latching protrusions 62 are latched to the latching step portions 61.
  • the front-side engagement recesses 31 with which the pair of right and left front-side engagement pieces 56 of the cover member 50 engage are respectively formed on the right and left side surfaces of the front-side post section 30.
  • the front-side engagement recesses 31 on the left side surface of the front-side post section 30 are opened to the left of the body 20, and the front-side engagement recesses 31 on the right side surface of the front-side post section 30 are opened to the right of the body 20.
  • the front-side engagement recesses 31 are respectively formed in a penetrating fashion in the front-rear direction of the body 20, the front-side engagement recesses 31 are respectively opened in the front-rear direction of the body 20.
  • the upper surfaces of the front-side engagement recesses 31 respectively form engagement surfaces 31a.
  • the engagement surfaces 31a are the surfaces that respectively face the upper surfaces 56a of the front-side engagement pieces 56, and abut to the upper surfaces 56a of the front-side engagement pieces 56 so as to prevent the cover member 50 from moving upward.
  • Each of the latching step portions 61 has a bottom surface 61a and a stopper surface 61b.
  • the bottom surface 61a is the surface that faces a corresponding lower surface of the latching protrusions 62.
  • the stopper surface 61b is the surface that faces a corresponding rear surface of the latching protrusions 62, and abuts to the rear surface of the latching protrusions 62so as to prevent the cover member 50 from moving rearward.
  • the cover member 50 rotates about the points of contact between the front end surfaces 52a of the right and left side plates 52 and the rear surfaces 32b of the right and left protrusions 32 of the front-side post section 30.
  • the latching protrusions 62 approach and abut to the stopper surfaces 61b when the cover member 50 rotates upward.
  • the front end portions of the latching step potions 61 are opened forward, they can be formed by a slide core K3 which moves in the front-rear direction of the body 20 (see FIG. 12 ).
  • the upper mold K1 and the front and rear slide cores K3 and K4 cooperate to mold the front-side post section 30 and rear-side post section 40 provided on the upper surface of the body 20.
  • the front and rear slide cores K3 and K4 can move toward and away from each other along the lower surface of the upper mold K1.
  • the front and rear slide cores K3 and K4 move toward each other when the body 20 is being molded. After the body 20 is molded, the front and rear slide cores K3 and K4 move away from each other.
  • the front slide core K3 has an upwardly-recessed step portion K32 in the lower surface of the leading end portion (see FIG 12 ).
  • the bottom surfaces 61a of the latching step portions 61 are molded in the lower surface of the slide core K3, and the lower surfaces of the front-side engagement recesses 31 and the stopper surfaces 61b of the latching step portions 61 are molded in the step portion K32.
  • the guide portion 42 and the hook hole 21a are molded by the upper mold K1 alone.
  • the latching step portions 61 are respectively formed on the upper blade 21 which forms the lower surface of the right and left front-side engagement recesses 31, and the latching protrusions which are latched to the latching step portions 61 are respectively formed on the pair of right and left front-side engagement pieces 56.
  • the latching step portions 61 may be formed in a penetrating fashion not only at the position adjacent to the side surfaces of the front-side post section 30 but also outward in the lateral direction of the upper blade 21. Therefore, in this case, the latching step portions 61 are opened forward and outward.
  • the slider for slide fastener 10 is a slider having an automatic stop function.
  • the slider 10 has a body 20 which has an element guide path 27 which extends through the inside of the body 20 in the front-rear direction.
  • the body 20 includes upper and lower blades 21 and 22 which are arranged in parallel so as to be spaced apart from each other in the upward and downward direction, a guide post 23 which connects the front end portion of the upper blade 21 to the front end portion of the lower blade 22, upper flanges 24a which protrude downward along right and left side edges of the upper blade 21, and lower flanges 24b which protrude upward along right and left side edges of the lower blade 22.
  • right and left shoulder mouths 25 which are divided by the guide post 23 are formed in the front portion of the body 20, and a rear mouth 26 is formed in the rear portion of the body 20.
  • a substantially Y-shaped element guide path 27 which allows the right and left shoulder mouths 25 and the rear mouth 26 to communicate with each other is formed between the upper and lower blades 21 and 22.
  • This element guide path 27 forms a passage through which fastener element rows (not shown) are inserted.
  • a front-side post section 30 and a rear-side post section 40 are respectively erected on the front end portion and the rear end portion of the upper surface of the upper blade 21.
  • a cover member 50 is supported on the front-side post section 30 and the rear-side post section 40 so as to rock in the upward and downward direction.
  • the shaft portion 11a of a pull-tab 11 is set between the front-side post section 30 and the rear-side post section 40 of the body 20
  • the shaft portion 11a of the pull-tab 11 is covered from above by the cover member 50 and is situated between the upper surface of the upper blade 21 and the cover member 50. Consequently, the pull-tab 11 is attached to the body 20.
  • the cover member 50 is made by bending one sheet of plate member, and as shown in FIG. 14 and FIG. 15 , has a rectangular top plate 51 which extends in the front-rear direction and a pair of right and left side plates 52 which extend downward from both side edges of the top plate 51.
  • the cover member 50 also has pull-tab receiving recesses 53, a hook 54 and an elastic piece 55.
  • the pull-tab receiving recesses 53 are respectively formed in the pair of right and left side plates 52, are recessed upward, and receive the shaft portion 11a of the pull-tab 11.
  • the hook 54 extends downward from the portion of the right side plate 52 that is behind the pull-tab receiving recesses 53, and enters the element guide path 27 through the hook hole 21a formed in the upper blade 21.
  • the elastic piece 55 extends forward from the front end portion of the top plate 51, the leading end of the elastic piece 55 being bent downward, and urges the cover member 50 so that the hook 54 enters the element guide path 27.
  • the cover member 50 also has a pair of right and left front-side engagement pieces 56 and a pair of right and left rear-side engagement pieces 57.
  • the pair of right and left front-side engagement pieces 56 respectively extend forward from the front end portions of the pair of right and left side plates 52, and engage with the front-side post section 30.
  • the pair of right and left rear-side engagement pieces 57 respectively extend rearward from the rear end portions of the pair of right and left side plates 52, and engage with the rear-side post section 40.
  • the hook hole 21a extends in a penetrating fashion from the upper surface of the upper blade 21 to the element guide path 27.
  • the elastic piece 55 urges the cover member 50 rearward and downward through contact with an elastic piece receiving portion 33 which will be described later.
  • Front-side engagement recesses 31 with which the pair of right and left front-side engagement pieces 56 of the cover member 50 engage are respectively formed in right and left side surfaces of the front-side post section 30.
  • the front-side engagement recess 31 in the left side surface of the front-side post section 30 is opened to the left of the body 20, and the front-side engagement recess 31 in the right side surface of the front-side post section 30 is opened to the right of the body 20.
  • the front-side engagement recesses 31 are formed in a penetrating fashion in the front-rear direction of the body 20, the front-side engagement recesses 31 are respectively opened in the front-rear direction of the body 20.
  • the upper surfaces of the front-side engagement recesses 31 respectively form engagement surfaces 31a.
  • the engagement surfaces 31a are the surfaces that respectively face the upper surfaces 56a of the front-side engagement pieces 56, and abut to the upper surfaces 56a of the front-side engagement pieces 56 so as to prevent the cover member 50 from moving upward.
  • protrusions 32 which protrude outward in the lateral direction of the body 20 are respectively formed on the front end sides of the front-side post section 30 that are also the upper ends of the right and left side surfaces of the front-side post section 30.
  • the outer surfaces of the protrusions 32 form slope surfaces 32a which are inclined downward to the bottom from the upper end the front-side post section 30.
  • the protrusions 32 are configured such that their thickness in the lateral direction gradually increases in the direction from the upper end to the bottom of the front-side post section 30 in order to form the engagement surfaces 31a of the front-side engagement recesses 31.
  • front surfaces of the right and left protrusions 32 are surfaces that continue from the front surface of the front-side post section 30.
  • the rear surfaces 32b of the protrusions 32 and the front end surfaces 52a of the right and left side plates 52 of the cover member 50 face each other in the front-rear direction of the body 20. Furthermore, the cover member 50 is prevented from moving forward through contact between the rear surfaces of the protrusions 32 and the front end surfaces 52a of the side plates 52.
  • an elastic piece receiving portion 33 is formed in the front surface of the front-side post section 30.
  • the elastic piece receiving portion 33 extends forward and downward from the upper end portion of the front-side post section 33 to the front surface of the guide post 23, receives the elastic piece 55 of the cover member 50, and has a concave shape that is opened forward.
  • the elastic piece receiving portion 33 has a bottom surface 33a, a pair of right and left side surfaces 33b which extend forward from right and left end edges of the bottom surface 33a, and a lower end surface 33c which extends forward from the lower end edge of the bottom surface 33a.
  • the front end surfaces 52a of the right and left side plates 52 come into contact with the rear surfaces 32b of the right and left protrusions 32, and concurrently, the elastic piece 55 comes into contact with the bottom surface 33a of the elastic piece receiving portion 33. Consequently, the front-side post section 30 is sandwiched in the front-rear direction by the front end surfaces 52a of the right and left side plates 52 and the elastic piece 55, so that the place where the cover member 50 is attached to the body 20 (front-side post section 30) is positioned.
  • the upper surfaces 56a of the front-side engagement pieces 56 are formed as inclined surfaces that are inclined downward from the leading end side to the base end side. Therefore, when the cover member 50 is attached to the body 20, the engagement surfaces 31a of the front-side engagement recesses 31 are horizontal surfaces that are parallel to the front-rear direction of the body 20, whereas the upper surfaces 56a of the front-side engagement pieces 56 are inclined downward in the direction from the front side to the rear side of the body 20. That is, the gaps between the engagement surfaces 31a of the front-side engagement recesses 31 and the upper surfaces 56a of the front-side engagement pieces 56 gradually increase in the direction from the front side to the rear side of the body 20.
  • Rear-side engagement recesses 41 are respectively formed on the right and left side surfaces of the rear-side post section 40.
  • the pair of right and left rear-side engagement pieces 57 of the cover member 50 engage with the rear-side engagement recesses 41.
  • the rear-side engagement recess 41 in the left side surface of the rear-side post section 40 is opened to the left of the body 20, and the rear-side engagement recess 41 in the right side surface of the rear-side post section 40 is opened to the right of the body 20.
  • the rear-side engagement recesses 41 are respectively formed in a penetrating fashion in the front-rear direction of the body 20, the rear-side engagement recesses 41 are respectively opened in the front-rear direction of the body 20.
  • the engagement surfaces 41 a are the surfaces that respectively face the upper surfaces of the rear-side engagement pieces 57, and abut to the upper surfaces of the front-side engagement pieces 57 so as to prevent the cover member 50 from moving upward.
  • a guide portion 42 is formed on the left end of the front surface of the rear-side post section 40 so as to extend forward, and has a triangular shape when viewed from the side.
  • the guide portion 42 allows the shaft portion 11a of the pull-tab 11 to climb thereon and guides the movement (upward movement) of the shaft portion 11a.
  • the guide portion 42 serves to move the cover member 50 upward by guiding the movement of the shaft portion 11 a.
  • the upper mold K1 and the front and rear slide cores K3 and K4 cooperate to mold the front-side post section 30 and rear-side post section 40 provided on the upper surface of the body 20.
  • the front and rear slide cores K3 and K4 can move toward and away from each other along the lower surface of the upper mold K1.
  • the front and rear slide cores K3 and K4 move toward each other when the body 20 is being molded. After the body 20 is molded, the front and rear slide cores K3 and K4 move away from each other.
  • the front-side and rear-side engagement recesses 31 and 41 are formed to penetrate through the body 20 in the front-rear direction, the front-side and rear-side engagement recesses 31 and 41 can be formed using the slide core which moves in the front-rear direction of the body 20. It is therefore possible to preclude the slide core which moves in the lateral direction of the body 20 and with which the front-side and rear-side engagement recesses 31 and 41 are formed. Due to this, a plurality of bodies 20 can be produced in a single casting process, thereby reducing the manufacturing cost of the slider 10.

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  • Buckles (AREA)

Claims (5)

  1. Curseur pour fermeture à glissière comprenant :
    un corps (20) ; et
    un élément de coiffe (50) reposant sur une section de montant avant (30) et une section de montant arrière (40) qui sont érigés sur une surface supérieure du corps,
    dans lequel l'élément de coiffe comprend :
    une plaque supérieure (51) ;
    une paire de plaques latérales droite et gauche (52) qui s'étendent vers le bas à partir de chacun des bords latéraux de la plaque supérieure ;
    des creux de réception de tirette (53) qui sont respectivement constitués dans la paire de plaques latérales droite et gauche et reçoivent une partie de tige (11a) d'une tirette (11) ;
    un crochet (54) qui pénètre dans une voie de guidage d'élément du corps par un trou pour crochet (21a) constitué dans le corps ;
    une pièce élastique (55) qui s'étend vers l'avant à partir d'une partie d'extrémité avant de la plaque supérieure, une extrémité d'attaque de la pièce élastique étant repliée vers le bas ;
    une paire de pièces de mise en prise droite et gauche avant (56) qui s'étendent vers l'avant à partir des parties d'extrémité avant de la paire de plaques latérales droite et gauche et viennent en prise avec la section de montant avant ;
    une paire de pièces de mise en prise droite et gauche arrière (57) qui s'étendent vers l'arrière à partir de parties d'extrémité arrière de la paire de plaques latérales droite et gauche et viennent en prise avec la section de montant arrière ;
    une partie de réception de pièce élastique (33) de forme concave qui est constituée dans une surface avant de la section de montant avant, la partie de réception de pièce élastique recevant la pièce élastique ;
    des creux de mise en prise avant (31) qui sont respectivement constitués dans les surfaces latérales droite et gauche de la section de montant avant, les creux de mise en prise avant présentant des surfaces (31a) qui sont tournées vers des surfaces supérieures des pièces de mise en prise avant ; et
    des creux de mise en prise arrière (41) qui sont respectivement constitués dans les surfaces latérales droite et gauche de la section de montant arrière, les creux de mise en prise arrière présentant des surfaces (41a) qui sont tournées vers des surfaces supérieures des pièces de mise en prise arrière, caractérisé en ce que
    les creux de mise en prise avant et arrière sont constitués de manière à être pénétrant dans un sens avant-arrière du corps.
  2. Curseur pour fermeture à glissière selon la revendication 1,
    dans lequel des saillies (32) qui font saillie vers l'extérieur dans un sens latéral du corps (20) sont respectivement constituées sur des surfaces latérales droite et gauche de la section de montant avant (30), et
    dans lequel des surfaces d'extrémité avant (52a) de la paire de plaques latérales droite et gauche (52) de l'élément de coiffe (50) viennent en contact avec des surfaces arrière (32b) des saillies, et la pièce élastique (55) vient en contact avec la partie de réception de pièce élastique (33).
  3. Curseur pour fermeture à glissière selon la revendication 1 ou 2,
    dans lequel une paire de parties droite et gauche de gradin d'accrochage (34 et 61) est constituée sur le corps (20), et
    dans lequel des saillies d'accrochage (58, 62) qui sont accrochées aux parties de gradin d'accrochage sont respectivement constituées sur la paire de pièces de mise en prise droite et gauche avant (56).
  4. Curseur pour fermeture à glissière selon la revendication 3,
    dans lequel les parties de gradin d'accrochage (34) qui sont en creux vers le haut sont constituées sur des surfaces latérales droite et gauche de la section de montant avant (30), et
    dans lequel les saillies d'accrochage (58) qui font saillie vers le haut et sont accrochées aux parties de gradin d'accrochage sont respectivement constituées sur la paire de pièces de mise en prise droite et gauche avant (56).
  5. Curseur pour fermeture à glissière selon la revendication 3,
    dans lequel le corps (20) présente un pan supérieur (21) et un pan inférieur (22), qui sont agencés en parallèle de manière à être espacés l'un de l'autre dans un sens haut-bas, et un montant de guidage (23) qui relie une partie d'extrémité avant du pan supérieur à une partie d'extrémité avant du pan inférieur,
    dans lequel la paire de parties droite et gauche de gradin d'accrochage (61) qui est en creux vers le bas est constituée dans le pan supérieur, et
    dans lequel les saillies d'accrochage (62) qui font saillie vers le bas et sont accrochées aux parties de gradin d'accrochage sont respectivement constituées sur la paire de pièces de mise en prise droite et gauche avant (56).
EP11871420.3A 2011-08-30 2011-08-30 Curseur pour fermeture à glissière Active EP2752126B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/069651 WO2013030961A1 (fr) 2011-08-30 2011-08-30 Curseur pour fermeture à glissière

Publications (3)

Publication Number Publication Date
EP2752126A1 EP2752126A1 (fr) 2014-07-09
EP2752126A4 EP2752126A4 (fr) 2015-05-20
EP2752126B1 true EP2752126B1 (fr) 2015-11-25

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EP (1) EP2752126B1 (fr)
CN (1) CN103763968B (fr)
ES (1) ES2558114T3 (fr)
TW (1) TWI465206B (fr)
WO (1) WO2013030961A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI592107B (zh) * 2015-11-30 2017-07-21 中傳企業股份有限公司 用於降低組裝阻力的拉鍊頭組合結構及其活動式蓋體
IT201800004992A1 (it) * 2018-05-02 2019-11-02 Cursore per cerniera lampo.
EP3871553B1 (fr) * 2020-02-28 2022-10-19 Riri Sa Curseur pour fermeture à glissière

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB644482A (en) * 1948-05-07 1950-10-11 Aero Zipp Fasteners Ltd Improvements in or relating to sliding clasp fasteners
GB982828A (en) * 1963-12-18 1965-02-10 Aero Zipp Fasteners Ltd Improvements in or relating to sliding clasp fasteners
US3427692A (en) * 1968-02-19 1969-02-18 Scovill Manufacturing Co Three-piece automatic lock slider
JPH0721123Y2 (ja) * 1988-10-22 1995-05-17 ワイケイケイ株式会社 自動停止装置付スライドフアスナー用スライダー
JP4628227B2 (ja) * 2005-09-12 2011-02-09 Ｙｋｋ株式会社 自動停止装置付スライドファスナー用スライダー
JP4632924B2 (ja) 2005-10-21 2011-02-16 Ｙｋｋ株式会社 自動停止装置付スライドファスナー用スライダー

Also Published As

Publication number Publication date
TW201311171A (zh) 2013-03-16
ES2558114T3 (es) 2016-02-02
WO2013030961A1 (fr) 2013-03-07
EP2752126A4 (fr) 2015-05-20
TWI465206B (zh) 2014-12-21
CN103763968B (zh) 2016-10-26
EP2752126A1 (fr) 2014-07-09
CN103763968A (zh) 2014-04-30

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