TWI468123B - Zipper with slider - Google Patents

Description

Zipper slider

The present invention relates to a slider for a slide fastener.

As a slider for a zipper of the prior art, there is known a main body, a cover member, and a pull tab, the cover member including: a claw portion that enters a sprocket guiding path from a claw hole of the main body; and an elastic piece Pressing the cover member in such a manner that the claw portion enters the sprocket guiding path; and the front side engaging piece and the rear side engaging piece are respectively engaged with the front side column portion and the rear side column which are erected on the upper surface of the main body And the front side pillar portion has a side engaged concave portion before the front side engaging piece of the lid member is engaged, and the rear side pillar portion has a side engaged concave portion after being engaged with the rear side engaging piece of the lid member (for example) Refer to Patent Document 1).

Further, in the slider for slide fasteners described in Patent Document 1, a sloped surface is formed on the outer surface of the upper side of the front pillar portion, and a slope portion is formed on the lower edge of the side of the front side of the lid member, so that the cover member is The insertion of the front side column portion becomes easy.

Prior technical literature Patent literature

Patent Document 1: Japanese Patent Laid-Open Publication No. 2007-075196

However, in the slider for slide fasteners described in Patent Document 1, since the slope portion is formed on the lower edge of the side of the front side of the cover member, the front side card can be prevented from being inserted into the front pillar portion. Combined with the contact The slope is damaged, but the formation of the bevel is cumbersome, so the fabrication of the cover member is difficult.

The present invention has been made in view of the above circumstances, and it is an object of the invention to provide a slide fastener for a slide fastener which can prevent a slope from being damaged by contact with a front side engagement piece and which can easily produce a cover member.

The above object of the present invention is achieved by the following constitution.

(1) A slider for a slide fastener, comprising: a main body; and a cover member supported by the side post portion and the rear side post portion standing on the upper surface of the main body, the cover member comprising: a top plate; a pair of side panels extending downward from both side edges of the top panel; the tab receiving recesses are respectively formed on the left and right pair of side panels, and receiving the shaft portion of the pull tab; the claw portion is self-formed in the claw hole of the main body a sprocket guiding path to the main body; a pair of left and right front side engaging pieces extending forward from the front end portions of the pair of left and right side panels and engaging with the front side column portion; and a pair of left and right rear side engaging pieces, The rear end portions of the pair of left and right side panels extend rearward and are engaged with the rear side pillar portions; and the front side of the front side pillar portion is formed with a front surface facing the upper surface of the front side engaging sheet The rear side of the rear side pillar portion is formed with a rear side engaged concave portion including a surface facing the upper surface of the rear side engaging piece; and the left and right side surfaces of the front side pillar portion are respectively formed with a protrusion protruding outward in the width direction of the main body; The outer side surface is inclined downward from the upper end of the front side pillar portion toward the lower side to form a slope surface for the left and right pair of front side engaging pieces to be fitted when the lid member is fitted to the front side pillar portion; and a pair of left and right front side engaging pieces The lower end portion gradually increases in width as it goes downward from the upper side of the cover member The direction is expanded outwardly to bend, and an inclined surface is formed on the inner side.

(2) The slider for zipper according to (1), wherein the lower end portions of the pair of left and right front side engaging pieces are respectively formed with protrusions that protrude downward, and the pair of right and left protrusions are directed downward from the upper side of the cover member. Further, it is gradually bent in such a manner as to expand outward in the width direction, and an inclined surface is formed on the inner side thereof.

(3) The slider for zipper according to (1) or (2), wherein a stepped portion that is recessed downward is formed on the upper surface of the body, and a protrusion is disposed in the step.

According to the slider for a slide fastener of the present invention, the lower end portions of the pair of left and right front side engagement pieces are bent in such a manner as to gradually expand outward in the width direction from the upper side of the cover member, and are formed on the inner side thereof. There is an inclined surface, so that the slope caused by the contact of the front side engaging piece can be prevented from being damaged. Moreover, since the inclined surface can be formed only by bending the lower end portions of the pair of right and left front side engaging pieces, the lid member can be easily produced.

Hereinafter, each embodiment of the slider for slide fastener of the present invention will be described in detail based on the drawings. In the following description, the upper side refers to the upper side of the paper surface relative to FIG. 2, the lower side refers to the lower side of the paper surface of FIG. 2, and the front side refers to the right side of the paper surface of FIG. Referring to the left side of the paper surface of Fig. 2, the right side refers to the near side of the paper surface of Fig. 2, and the left side refers to the inner side of the paper surface of Fig. 2. Further, the left and right direction of the slider is also referred to as the width direction.

(First embodiment)

First, the first embodiment of the slide fastener for a slide fastener of the present invention will be described with reference to Figs. 1 to 7 . The form is explained.

The slide fastener 10 of the present embodiment is a slider having an automatic stop function. As shown in FIGS. 1 and 2, the slide fastener 10 includes a main body 20 including a fastener element penetrating the main body 20 in the front-rear direction. Guide path 27. Specifically, the main body 20 includes an upper blade 21 and a lower blade 22 which are vertically and vertically arranged in parallel, and a guide post 23 which connects the upper blade 21 and the lower blade 22 at the front end portion. The upper flange 24a protrudes downward along the left and right side edges of the upper blade 21, and the lower flange 24b projects upward along the left and right side edges of the lower blade 22. Thereby, the left and right introduction ports 25 separated by the guide post 23 are formed in the front portion of the main body 20, and the engagement opening 26 is formed in the rear portion of the main body 20. Further, between the upper blade 21 and the lower blade 22, a substantially Y-shaped sprocket guiding path 27 that connects the left and right introduction ports 25 and the engagement opening 26 is formed, and the sprocket guiding path 27 is configured not shown. The chain of teeth is inserted through the passage.

The front side pillar portion 30 and the rear side pillar portion 40 are respectively erected at the front end portion and the rear end portion of the upper surface of the upper blade 21, and the lid member 50 is swingably supported on the front pillar portion 30 and the rear side in the vertical direction. Column portion 40. Further, in the slider 10 of the present embodiment, after the shaft portion 11a of the pull tab 11 is disposed between the front pillar portion 30 and the rear pillar portion 40 of the main body 20, the lid member 50 is fitted into the front pillar portion 30 and thereafter. The side pillar portion 40, whereby the shaft portion 11a of the pull tab 11 is covered by the cover member 50 from above, and is disposed between the upper surface of the upper blade 21 and the cover member 50, thereby attaching the pull tab 11 to the main body. 20.

The cover member 50 is formed by bending one plate member, and as shown in FIGS. 1 and 2, includes a rectangular top plate 51 extending in the front-rear direction, and A pair of left and right side panels 52 extending downward from both side edges of the top plate 51. Further, the lid member 50 includes a tab receiving recess 53 which is formed in each of the pair of right and left side panels 52, and is recessed upward to receive the shaft portion 11a of the tab 11; the claw portion 54 from the right side panel 52 The tab receiving recess 53 extends downward in the direction, and enters the sprocket guiding path 27 from the claw hole 21a formed in the upper blade 21; and the elastic piece 55 extends forward from the front end of the top plate 51, and the top end faces The lower portion is bent to urge the lid member 50 in such a manner that the claw portion 54 enters the sprocket guiding path 27. Further, the lid member 50 includes a pair of left and right front side engagement pieces 56 extending forward from the front end portions of the pair of right and left side panels 52 and engaged with the front side pillar portion 30, and a pair of left and right rear side engagement pieces 57. The rear end portion of the pair of right and left side panels 52 extends rearward and engages with the rear side pillar portion 40. Further, the claw hole 21a is inserted through the element guide path 27 from the upper surface of the upper blade 21. Further, the elastic piece 55 is biased to the rear side and downwardly to the lid member 50 by being in contact with the elastic sheet accommodating portion 33 of the front pillar portion 30 described below.

The front side engaged recessed part 31 in which the pair of left and right front side engagement pieces 56 of the cover part member 50 are engaged is formed in the left side surface of the front side column part 30, respectively. The front side of the left side surface of the front side pillar portion 30 is opened to the left of the main body 20 by the engagement recessed portion 31, and the front side of the right side surface of the front side pillar portion 30 is closed to the right of the main body 20 by the engagement recessed portion 31. Further, since each of the front side engaged recessed portions 31 is formed to penetrate in the front-rear direction of the main body 20, the main body 20 is opened in the front-rear direction. Further, the front surface of each of the front side engaged recessed portions 31 is opposed to the upper surface of the front side engaging piece 56, and is configured to abut against the upper surface of the front side engaging piece 56 to restrict the cover member 50 from moving upward. Engagement surface 31a.

Further, on the upper end side and the front end side of the left and right side surfaces of the front side pillar portion 30, projections 32 projecting outward in the width direction of the main body 20 are formed. The outer side surface of the protrusion 32 is inclined downward from the upper end of the front side pillar portion 30 toward the lower side, and forms a slope on which the pair of left and right front side engaging pieces 56 are placed when the cover member 50 is fitted into the front side pillar portion 30. 32a. Further, in order to form the engaging surface 31a of the front side engaged concave portion 31, the protruding portion 32 is formed such that the thickness of the protruding portion 32 gradually increases from the upper end of the front side pillar portion 30 toward the lower side.

Further, a concave elastic sheet accommodating portion 33 is formed on the front surface of the front side pillar portion 30, and the elastic sheet accommodating portion 33 extends downward from the upper end portion of the front pillar portion 30 to the front surface of the guide post 23, and accommodates the lid portion. The elastic piece 55 of the member 50 is open toward the front.

Rear side engagement recessed portions 41 for engaging the pair of right and left rear side engagement pieces 57 of the cover member 50 are formed on the right and left side surfaces of the rear side column portion 40, respectively. The rear side of the left side surface of the rear side pillar portion 40 is opened to the left of the main body 20 by the engagement recessed portion 41, and the rear side of the right side surface of the rear side pillar portion 40 is opened to the right of the main body 20 by the engagement recessed portion 41. Further, since each of the rear side engaged recessed portions 41 is formed to penetrate in the front-rear direction of the main body 20, the main body 20 is opened in the front-rear direction. Further, the upper surface of each of the rear side engaged recessed portions 41 is opposed to the upper surface of the rear side engaging piece 57, and is configured to abut against the upper surface of the rear side engaging piece 57 to restrict the cover member 50 upward. The side of the card is moved 41a.

Further, the guide portion 42 having a triangular shape in a side view extends forward in the left end surface of the front side pillar portion 40. The guide portion 42 is used to pull up the shaft portion 11a of the pull tab 11 and guide the movement of the shaft portion 11a (upward movement) when the pull tab 11 is pulled up, and the cover portion is moved by the movement of the guide shaft portion 11a. Member 50 up mobile.

Further, in the present embodiment, as shown in FIG. 1, FIG. 2 and FIG. 4, the upper surface of the main body 20, which is formed on the lower left side of the recessed portion 31, is formed with a downwardly concave surface. The step portion 61 is formed with a projection 62 that protrudes downward and is locked to the step portion 61 on the lower surface of the front end of the pair of right and left front side engagement pieces 56. Further, the projections 62 are disposed in the step portion 61.

The step portion 61 includes a bottom surface 61a that faces the lower surface of the protrusion 62, and a stopper surface 61b that faces the rear surface of the protrusion 62 and abuts against the rear surface of the protrusion 62 to restrict the cover member 50. Move to the rear. Further, as shown in FIG. 3, when the cover member 50 is pulled by the pull tab 11, the cover member 50 is formed by the front end surface of the left and right side panels 52 and the rear surface of the left and right projections 32 of the front side pillar portion 30. The contact is centered for rotation.

The projection 62 is bent so as to gradually expand outward in the width direction from the upper side of the lid member 50, and an inclined surface 62a is formed inside. Moreover, as shown in FIG. 6, the angle [alpha] of the inclined surface 62a is set to 5 to 30 degrees. Further, in the present embodiment, the inclined surface 62a is formed in a linear shape, but the invention is not limited thereto, and may be formed into an arc-shaped curved surface.

When the cover member 50 is fitted to the front pillar portion 30 and the rear pillar portion 40 in the slide fastener 10 configured as described above, first, as shown in FIGS. 5 and 6, the front side of the lid member 50 is made The upper and rear sides are inclined downward, and the left and right rear side engagement pieces 57 of the lid member 50 are inserted into the left and right rear side of the rear side column portion 40 from the front side to be engaged with the concave portion 41. Then, the lid member 50 is pressed from above, and the inclined surface 62a of the left and right protrusions 62 is brought into contact with the left and right slope surfaces 32a of the front pillar portion 30, and the left and right front side engaging pieces 56 are expanded. The left and right front side engagement pieces 56 are passed over the right and left protrusions 32, and are fitted to the left and right front sides of the front side column portion 30 to be engaged with the recessed portions 31. Further, since the inclined surface 62a of the projection 62 comes into contact with the slope surface 32a when the front side engagement piece 56 passes over the projection 32, the front side engagement piece 56 can be easily fitted into the front side engaged concave portion 31, and The inclined surface 62a of 62 is in contact with the slope surface 32a, so that the slope surface 32a can be further prevented from being damaged.

As described above, in the slide fastener 10 of the present embodiment, the pair of left and right projections 62 of the lid member 50 are gradually expanded outward in the width direction as they are directed downward from the upper side of the lid member 50. The inclined surface 62a is formed on the inner side of the projection, and the inclined surface 62a of the projection 62 contacts the slope surface 32a when the front side engagement piece 56 passes over the projection 32. Thereby, the slope 32a caused by the contact of the front side engaging piece 56 can be prevented from being damaged. Moreover, since the inclined surface 62a can be formed only by bending a pair of right and left protrusions 62, the cover member 50 can be easily manufactured.

Further, as a modification of the embodiment, as shown in FIG. 7, the step portion 61 is formed not only in the vicinity of the side surface of the front pillar portion 30 but also in the width direction outward of the upper blade 21. Therefore, in this case, the step portion 61 is opened toward the front and the outside.

(Second embodiment)

Next, a second embodiment of the slide fastener for a slide fastener of the present invention will be described with reference to Figs. 8 to 13 . In the drawings, the same or equivalent parts as those in the first embodiment are denoted by the same reference numerals, and their description is omitted or simplified.

The slide fastener 10 of the present embodiment is a slider having an automatic stop function, and as shown in FIGS. 8 and 9, includes a main body 20 in which the main body 20 is attached. The portion includes a sprocket guiding path 27 that penetrates the body 20 in the front-rear direction. Specifically, the main body 20 includes an upper blade 21 and a lower blade 22 which are vertically and vertically arranged in parallel, and a guide post 23 which connects the upper blade 21 and the lower blade 22 at the front end portion. The upper flange 24a protrudes downward along the left and right side edges of the upper blade 21, and the lower flange 24b projects upward along the left and right side edges of the lower blade 22. Thereby, the left and right introduction ports 25 separated by the guide post 23 are formed in the front portion of the main body 20, and the engagement opening 26 is formed in the rear portion of the main body 20. Further, between the upper blade 21 and the lower blade 22, a substantially Y-shaped sprocket guiding path 27 that connects the left and right introduction ports 25 and the engagement opening 26 is formed, and the sprocket guiding path 27 is configured not shown. The chain of teeth is inserted through the passage.

The front side pillar portion 30 and the rear side pillar portion 40 are respectively erected at the front end portion and the rear end portion of the upper surface of the upper blade 21, and the lid member 50 is swingably supported on the front pillar portion 30 and the rear side in the vertical direction. Column portion 40. Further, in the slider 10 of the present embodiment, after the shaft portion 11a of the pull tab 11 is disposed between the front pillar portion 30 and the rear pillar portion 40 of the main body 20, the lid member 50 is fitted into the front pillar portion 30 and thereafter. The side pillar portion 40 is such that the shaft portion 11a of the pull tab 11 is covered by the cover member 50 from above, and is disposed between the upper surface of the upper blade 21 and the cover member 50, thereby attaching the pull tab 11 to the main body 20. .

The cover member 50 is formed by bending one plate member, and as shown in FIGS. 8 and 9, includes a rectangular top plate 51 extending in the front-rear direction, and extending downward from both side edges of the top plate 51. A pair of left and right side panels 52. Moreover, the cover member 50 includes: a tab receiving recess 53 formed on each of the pair of left and right side panels 52, recessed upwardly to receive the shaft portion 11a of the pull tab 11; The claw portion 54 extends downward from the tab receiving recess 53 of the right side panel 52, and enters the sprocket guiding path 27 from the claw hole 21a formed in the upper flap 21; and the elastic piece 55 from the top plate The front end portion of 51 extends forward, and the top end is bent downward so that the claw portion 54 enters the sprocket guiding path 27 to bias the cover member 50. Further, the lid member 50 includes a pair of left and right front side engagement pieces 56 extending forward from the front end portions of the pair of right and left side panels 52 and engaged with the front side pillar portion 30, and a pair of left and right rear side engagement pieces 57. The rear end portion of the pair of right and left side panels 52 extends rearward and engages with the rear side pillar portion 40. Further, the claw hole 21a is inserted through the element guide path 27 from the upper surface of the upper blade 21. Further, the elastic piece 55 is biased to the rear side and downwardly to the lid member 50 by being in contact with the elastic sheet accommodating portion 33 of the front pillar portion 30 described below.

Front side engagement recessed portions 31 for engaging the pair of left and right front side engagement pieces 56 of the cover member 50 are formed on the right and left side surfaces of the front side pillar portion 30, respectively. The front side of the left side surface of the front side pillar portion 30 is opened to the left of the main body 20 by the engagement recessed portion 31, and the front side of the right side surface of the front side pillar portion 30 is closed to the right of the main body 20 by the engagement recessed portion 31. The front side engaged concave portion 31 includes an engaging surface 31a that faces the upper surface of the front side engaging piece 56 and abuts against the upper surface of the front side engaging piece 56 to restrict the cover member 50 from moving upward; The movable surface 31b faces the front surface of the front side engagement piece 56 and abuts against the front surface of the front side engagement piece 56 to restrict the cover member 50 from moving forward.

Further, on the upper end side and the front end side of the left and right side surfaces of the front side pillar portion 30, projections 32 projecting outward in the width direction of the main body 20 are formed. The outer side surface of the protrusion 32 is inclined downward from the upper end of the front side pillar portion 30 toward the lower side to form When the cover member 50 is fitted into the front pillar portion 30, the slope 32a is provided by the pair of right and left front side engaging pieces 56. Further, the projection 32 is formed such that the wall thickness in the left-right direction gradually increases from the upper end of the front pillar portion 30 toward the lower side to form the engaging surface 31a of the front-side engaged recess 31.

Further, a concave elastic piece accommodating portion 33 is formed on the front surface of the front side column portion 30, and the elastic piece accommodating portion 33 is extended from the upper end portion of the front side column portion 30 to the front surface of the guide post 23, and is accommodated. The elastic piece 55 of the cover member 50 is opened toward the front.

Rear side engagement recessed portions 41 for engaging the pair of right and left rear side engagement pieces 57 of the cover member 50 are formed on the right and left side surfaces of the rear side column portion 40, respectively. The rear side of the left side surface of the rear side pillar portion 40 is opened to the left of the main body 20 by the engagement recessed portion 41, and the rear side of the right side surface of the rear side pillar portion 40 is opened to the right of the main body 20 by the engagement recessed portion 41. The rear side engaged recessed portion 41 includes an engaging surface 41a that faces the upper surface of the rear side engaging piece 57 and abuts against the upper surface of the rear side engaging piece 57 to restrict the cover member 50 from moving upward. And the stopper surface 41b, which faces the rear surface of the rear side engagement piece 57, and abuts against the rear surface of the rear side engagement piece 57, and restricts the movement of the cover member 50 rearward.

Further, the guide portion 42 having a triangular shape in a side view extends forward in the left end surface of the front side pillar portion 40. The guide portion 42 is used to pull up the shaft portion 11a of the pull tab 11 and guide the movement of the shaft portion 11a (upward movement) when the pull tab 11 is pulled up, and the cover portion is moved by the movement of the guide shaft portion 11a. The member 50 moves upward.

Further, in the present embodiment, as shown in Figs. 8 to 10, the lower end edges of the pair of left and right front side engaging pieces 56 are oriented downward from the upper side of the cover member 50. The square is gradually bent outward in the width direction, and an inclined surface 56a is formed on the inner side. Further, as shown in Fig. 12, the angle ? of the inclined surface 56a is set to 5 to 30. Further, the inclined surface 56a is formed over the entire area of the lower end edge of the front side engaging piece 56. Further, in the present embodiment, the inclined surface 56a is formed in a linear shape, but the invention is not limited thereto, and may be formed into an arcuate curved surface.

When the cover member 50 is fitted to the front pillar portion 30 and the rear pillar portion 40 in the slide fastener 10 configured as described above, first, as shown in FIGS. 11 and 12, the front side of the lid member 50 is made The upper and rear sides are inclined downward, and the left and right rear side engagement pieces 57 of the lid member 50 are inserted into the left and right rear side of the rear side column portion 40 from the front side to be engaged with the concave portion 41. Then, the lid member 50 is pressed from above, and the inclined surface 56a of the left and right front side engaging pieces 56 is brought into contact with the left and right slope surfaces 32a of the front side pillar portion 30, and the left and right front side engaging pieces 56 are widened. The left and right front side engagement pieces 56 are passed over the left and right protrusions 32, and are fitted to the left and right front side of the front side column portion 30 to be engaged with the concave portion 31. Further, since the inclined surface 56a of the front side engaging piece 56 is in contact with the sloped surface 32a when the front side engaging piece 56 passes over the projection 32, the front side engaging piece 56 can be easily fitted into the front side engaged concave portion 31, Since the inclined surface 56a of the front side engaging piece 56 contacts the slope surface 32a, the slope surface 32a can be further prevented from being damaged.

As described above, according to the slide fastener 10 of the present embodiment, the lower end edges of the pair of right and left side engaging pieces 56 of the lid member 50 are gradually moved toward the lower side from the upper side of the cover member 50. The inclined surface 56a is formed on the inner side in the width direction, and the inclined surface 56a is formed on the inner side. When the front side engaging piece 56 passes over the protrusion 32, the inclined surface 56a of the front side engaging piece 56 is in contact with Slope 32a. Thereby, the slope 32a caused by the contact of the front side engaging piece 56 can be prevented from being damaged. Further, since the inclined surface 56a can be formed only by bending the lower end edges of the pair of right and left front side engaging pieces 56, the lid member 50 can be easily produced.

Further, as a modification of the present embodiment, as shown in FIG. 13, the lower end surface of the pair of right and left front side engaging pieces 56 may be formed with protrusions 72 projecting downward, respectively, and with the self-covering member 50. The protrusion 72 is bent so as to gradually expand outward in the width direction, and an inclined surface (not shown) is formed inside. In this case, the step portions 71 for avoiding contact with the projections 72 are respectively formed on the left and right side portions of the side pillar portion 30 before the upper surface of the upper blade 21. Further, the projections 72 are disposed in the step portion 71.

Further, according to the present modification, the pair of left and right projections 72 are bent so as to gradually expand outward in the width direction from the upper side of the cover member 50, and an inclined surface is formed inside. When the front side engagement piece 56 passes over the projection 32, the inclined surface of the projection 72 contacts the slope surface 32a. Thereby, the slope 32a caused by the contact of the front side engaging piece 56 can be prevented from being damaged. Moreover, since the inclined surface can be formed only by bending the pair of right and left protrusions 72, the cover member 50 can be easily produced.

In addition, the invention is not limited to the above-described embodiments, and modifications may be appropriately made without departing from the spirit and scope of the invention.

10‧‧‧Zipper slider

11‧‧‧ Pulling

11a‧‧‧Axis

20‧‧‧ Subject

21‧‧‧Upper wing

21a‧‧‧ claw hole

22‧‧‧lower wing

23‧‧‧Guide column

24a‧‧‧Upper flange

24b‧‧‧Bottom flange

25‧‧‧Import

26‧‧‧Meshing mouth

27‧‧‧Chain guiding path

30‧‧‧ front side column

31‧‧‧The front side is engaged with the recess

31a‧‧‧ engaging surface

31b‧‧‧stop surface

32‧‧‧ protrusion

32a‧‧‧ slope

33‧‧‧Electronic sheet accommodating department

40‧‧‧Back side column

41‧‧‧The back side is engaged with the recess

41a‧‧‧ engaging surface

42‧‧‧Guidance Department

50‧‧‧Cover components

51‧‧‧ top board

52‧‧‧ side panel

53‧‧‧ Pull tab housing recess

54‧‧‧ claws

55‧‧‧Elastic film

56‧‧‧Front side snaps

56a‧‧‧ sloped surface

57‧‧‧Back side snaps

61‧‧‧

61a‧‧‧ bottom

61b‧‧‧stop surface

62‧‧‧ Protrusion

62a‧‧‧Sloping surface

72‧‧‧ Protrusion

Fig. 1 is an exploded perspective view showing a first embodiment of a slide fastener for a slide fastener according to the present invention.

Figure 2 is a longitudinal sectional view of the slider for zipper of Figure 1.

Fig. 3 is a longitudinal cross-sectional view showing a state in which a cover member is lifted by a pull tab of the slider for slide fastener of Fig. 2;

Figure 4 is a front elevational view of the periphery of the side pillar portion of the slider for the zipper of Figure 1.

Fig. 5 is a vertical cross-sectional view showing a state in which the lid member of the slider for slide fastener of Fig. 2 is fitted to the front pillar portion and the rear pillar portion.

Fig. 6 is a front elevational view showing the vicinity of the front side pillar portion in a state in which the lid member of the slider for slide fastener of Fig. 2 is fitted to the front pillar portion and the rear pillar portion.

Fig. 7 is an enlarged perspective view of a main part for explaining a modification of the slider for a slide fastener according to the first embodiment.

Fig. 8 is an exploded perspective view showing a second embodiment of the slide fastener for a slide fastener according to the present invention.

Figure 9 is a longitudinal sectional view of the slider for zipper of Figure 8.

Figure 10 is a cross-sectional view taken along line A-A of Figure 9.

Fig. 11 is a vertical cross-sectional view showing a state in which the lid member of the slider for slide fastener of Fig. 8 is fitted to the front pillar portion and the rear pillar portion.

Fig. 12 is a front elevational view showing the vicinity of the front side pillar portion in a state in which the lid member of the slider for slide fastener of Fig. 8 is fitted to the front pillar portion and the rear pillar portion.

Fig. 13 is an enlarged longitudinal sectional view of essential parts for explaining a modification of the slider for a slide fastener according to the second embodiment.

10‧‧‧Zipper slider

11‧‧‧ Pulling

11a‧‧‧Axis

20‧‧‧ Subject

21‧‧‧Upper wing

21a‧‧‧ claw hole

22‧‧‧lower wing

23‧‧‧Guide column

24a‧‧‧Upper flange

24b‧‧‧Bottom flange

25‧‧‧Import

30‧‧‧ front side column

31‧‧‧The front side is engaged with the recess

32‧‧‧ protrusion

32a‧‧‧ slope

33‧‧‧Electronic sheet accommodating department

40‧‧‧Back side column

41‧‧‧The back side is engaged with the recess

42‧‧‧Guidance Department

50‧‧‧Cover components

51‧‧‧ top board

52‧‧‧ side panel

53‧‧‧ Pull tab housing recess

54‧‧‧ claws

55‧‧‧Elastic film

56‧‧‧Front side snaps

57‧‧‧Back side snaps

61‧‧‧

62‧‧‧ Protrusion

Claims (3)

A sliding member for a slide fastener, comprising: a main body (20); and a cover member (50) provided by a side pillar portion (30) and a rear pillar portion (40) which are erected on an upper surface of the main body The cover member includes: a top plate (51); a pair of left and right side panels (52) extending downward from both side edges of the top plate; and a tab receiving recess (53) formed on the left and right sides respectively a side plate that receives a shaft portion (11a) of the pull tab (11); and a claw portion (54) that enters a sprocket guiding path (27) from the claw hole (21a) formed in the main body to the main body; The front side engaging piece (56) extends forward from the front end portions of the pair of left and right side panels and engages with the front side pillar portion; and a pair of left and right rear side engaging pieces (57) from the left and right sides The rear end portions of the pair of side panels extend rearward and engage with the rear side pillar portion; and the left and right side surfaces of the front pillar portion are respectively formed with surfaces facing the upper surface of the front side engaging piece (31a) The front side of the rear side engaging recessed portion (31) is formed on the left and right side surfaces of the rear side pillar portion, and is formed with the rear side engaging piece The rear side of the upper surface facing surface (41a) is engaged with the concave portion (41), and the left and right side surfaces of the front side pillar portion are respectively formed with the main body a protrusion (32) protruding outward in the width direction of the body, wherein the outer surface of the protrusion is inclined downward from the upper end of the front pillar portion, and is formed to be inserted into the front pillar portion when the cover member is inserted a slope surface (32a) on which the pair of left and right front side engagement pieces are attached, and the lower end portions of the pair of left and right front side engagement pieces are gradually expanded outward in the width direction as they go downward from the upper side of the cover member The bent surface is formed with an inclined surface (56a, 62a) on the inner side thereof. The sliding member for a zipper according to claim 1, wherein the lower end portions of the pair of left and right front side engaging pieces (56) are respectively formed with protrusions (62, 72) protruding downward, and the pair of left and right protrusions are respectively The upper surface of the lid member (50) is bent so as to gradually expand outward in the width direction, and an inclined surface (62a) is formed inside. A slider for a slide fastener according to claim 1 or 2, wherein a stepped portion (61, 71) recessed downward is formed on a surface of the upper surface of the main body (20), and the projections (62, 72) are disposed in the stepped portion.