EP2737817A1

EP2737817A1 - Slider for slide fastener

Info

Publication number: EP2737817A1
Application number: EP11869768.9A
Authority: EP
Inventors: Masahiro Hanyu; Yohei Miyazaki; Takanori Ozawa; Keiichi Keyaki
Original assignee: YKK Corp
Current assignee: YKK Corp
Priority date: 2011-07-28
Filing date: 2011-07-28
Publication date: 2014-06-04
Also published as: TWI459914B; CN103702585A; EP2737817A4; TW201304706A; WO2013014796A1

Abstract

Provided is a slider for a slide fastener in which the size of the slider is reduced, sufficient slider strength is obtained, and a cover body can be positioned on a slider body in a reliable manner. The slider body (20) has a groove (70) formed on an upper blade plate (21) further towards the shoulder side than a front mounting column (61). A stopping claw body (40) has a latching section (42) which is latched to the upper end of the front mounting column (61). The cover body (50) has a projection (55) protrudingly provided on the lower end surface of a front plate (53), the projection fitting into the groove (70). A shaft (31) of a pull (30) is installed between the upper blade plate (21) and the stopping claw body (40). The cover body (50) is fixed to the slider body (20) in a state in which the latching section (42) is latched to the upper end of the front mounting column (61), a stopping claw (43) of the stopping claw body (40) is inserted into a claw hole (65) of the upper blade plate (21), and the front mounting column (61) and a rear mounting column (62) are housed in the cover body (50). The groove (70) has a groove end surface (71) positioned further forward relative to the tip of the latching section (42) in a state of being latched to the upper end of the front mounting column (61).

Description

Technical Field

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

Background Art

In the related art, a slider for a slide fastener is known as a type of slider, in which a stop claw is placed on an upper portion of a front attachment post of a slider body and is covered with a cover body from above. A rear attachment post and a protrusion or a guide surface and the protrusion contact corresponding respective portions of the cover body, such that positioning of the cover body and pressing against the cover body in the front-back direction are performed (e.g. refer to Patent Document 1).

Prior Art Document

Patent Document

Patent Document 1: Japanese Patent Application Publication No. H10-127313A

Summary of Invention

Problems to Be Solved by Invention

In response to the recent trend of slide fasteners toward a small size, it is also required to reduce the size of sliders. It is inevitably required to design sliders such that sizes in the width direction, the upward and downward direction (thickness direction) and the front-rear direction are reduced. However, in a slider for a slide fastener disclosed in Patent Document 1, there is a possibility that simple reduction in respective sizes may not obtain sufficient strength required for the slider since a rear attachment post, a claw hole, a guide surface, a protrusion and a front attachment post are provided in the front-rear direction of the slider.
Accordingly, the present invention has been made keeping in mind the above problems, and an object of the present invention is to provide a slide for a slide fastener, the size of which is reduced, a sufficient amount of strength of which is obtained, and in which a cover body can be reliably positioned on a slider body.

Means for Solving Problems

The object of the present invention is achieved by the following configurations.

(1) A slider for a slide fastener comprising a slider body, a pull-tab, a stop claw body and a cover body, wherein the slider body includes: an upper blade; a lower blade; a guide post which connects the upper and lower blades to each other; an element guide path which is surrounded by the upper blade, the lower blade and the guide post; a claw hole which is formed in the upper blade and penetrating into the element guide path; a front attachment post which is erected on an upper surface of the upper blade at a side of shoulder mouths relative to the claw hole; a rear attachment post which is erected on the upper surface of the upper blade at a side of a rear mouth relative to the claw hole; and a groove which is formed in the upper blade at a side of the shoulder mouths relative to the front attachment post, wherein the stop claw body includes: a plate-shaped base portion; a latching portion which is formed on one end of the base portion and latched to an upper end of the front attachment post; and a stop claw which is formed by being bent downward from the other end of the base portion and is inserted into the claw hole, wherein the cover body includes; a top plate; a pair of side plates which extend downward from both side edges of the top plate; a front plate which extends downward from a front end edge of the top plate; a rear plate which extends downward from a rear end edge of the top plate; and a protruding portion which protrudes from a lower end surface of the front plate and is fitted into the groove, wherein the cover body is fixed to the slider body in a state where a shaft portion of the pull-tab is disposed between the upper blade and the stop claw body, the latching portion is latched to the upper end of the front attachment post, the stop claw is inserted into the claw hole, and the front and rear attachment posts are accommodated in the cover body, and wherein the groove has a groove end surface at a front side relative to a leading end of the latching portion which is latched to the upper end of the front attachment post.
(2) The slider for a slide fastener according to (1), wherein a bulged portion which bulges from the upper surface of the upper blade is formed between the front attachment post and the groove, the bulged portion having a front surface formed continuously from the groove end surface.
(3) The slider for a slide fastener according to (2), wherein the front surface of the bulged portion has a guide portion comprised of an inclined surface which is inclined toward an upper surface of the bulged portion, and wherein the guide portion guides the protruding portion of the cover body to the groove.
(4) The slider for a slide fastener according to (3), wherein the guide portion is formed at least between the leading end of the latching portion and the groove end surface.
(5) The slider for a slide fastener according to any one of (1) to (4), wherein protrusions are formed at sides of the claw hole, the protrusions are contactable with inner walls of pull-tab accommodating portions which are formed in the pair of side plates of the cover body to accommodate the shaft portion of the pull-tab, and the protrusions have guide surfaces which guide the shaft portion of the pull-tab, wherein a movement of the cover body in a front-rear direction is restricted by the guide surfaces and the protruding portion which is contactable with the groove end surface, and wherein the upper surface of the upper blade between the guide surfaces of the protrusions and a surface of the front attachment post that faces the rear attachment post constitutes a flat surface.
(6) The slider for a slide fastener according to any one of (1) to (4), wherein an end surface of the rear attachment post at a side of the rear mouth is configured to be contactable with an inner wall of the rear plate of the cover body, wherein a movement of the cover body in a front-rear direction is restricted by the rear plate and the protruding portion which is contactable with the groove end surface, and wherein the upper surface of the upper blade between the guide surfaces of the protrusions and a surface of the front attachment post that faces the rear attachment post constitutes a flat surface.

Advantageous Effects of Invention

According to the slider for a slide fastener according to the present invention, it is possible to obtain a sufficient amount of strength of the slider while reducing the size of the slider since the groove end surface of the groove is at a front side relative to the leading end of the latching portion which is latched to the upper end of the front attachment post. In addition, the cover body can be reliably positioned on the slider body.

Brief Description of Drawings

FIG. 1 is an exploded perspective view illustrating an embodiment of a slider for a slide fastener according to the present invention;
FIG. 2 is an exploded side elevation view of the slider shown in FIG. 1;
FIG. 3 is a vertical cross-sectional view of the slider shown in FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A in FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B in FIG. 3; and
FIG. 6 is a vertical cross-sectional view of the slider in the state before a cover body is pressed with a pressure pad.

Embodiments of Invention

Hereinafter, embodiments of a slider for a slide fastener according to the present invention will be described in detail with reference to the accompanying drawings. In the following description, a side of shoulder mouths refers to a side of the slider having a wider width from which disengaged fastener elements exit, a side of a rear mouth refers to a side of the slider having a smaller width from which engaged fastener elements exit. In addition, the side of the shoulder mouths also refers to a front side, and the side of the rear mouth also refers to a rear side. In addition, a direction in which the slider slides refers to a front-rear direction, a direction which is perpendicular to the front-rear direction and parallel to a fastener tape (not shown) refers to a lateral direction (width direction), and a direction which is perpendicular to the front-rear direction and the lateral direction refers to an upward and downward direction.
As shown in FIG. 1 to FIG. 3, the slider 10 for a slide fastener according to this embodiment includes a slider body 20, a pull-tab 30, a stop claw body 40 and a cover body 50.
As shown in FIG. 1 and FIG. 2, the slider body 20 includes an upper blade 21, a lower blade 22 which is spaced apart from and parallel to the upper blade 21 in the upward and downward direction, and a guide post 23 which connects the inner wall surfaces of the upper and lower blades 21 and 22 to each other. The upper and lower blades 21 and 22 are respectively provided with a pair of right and left flanges 24 which are respectively formed along the right and left edges, in which the right and left flanges respectively include upper flanges which are formed on the upper blade 21 and lower flanges which are formed on the lower blade 22. Fastener tapes (not shown) can be inserted between the upper and lower flanges. The guide post 23 connects the upper and lower blades 21 and 22 to each other at the center portions in the width direction. A Y-shaped element guide path 27 which diverges at the guide post 23 is formed between the upper and lower blades 21 and 22.
A front attachment post 61 is erected on the upper surface of the upper blade 21 integrally with the upper blade 21, at the side of the shoulder mouths. A rear attachment post 62 is erected on the upper surface of the upper blade 21 integrally with the upper blade 21, at the side of the rear mouth relative to the front attachment post 61. In addition, the front attachment post 61 and the rear attachment post 62 are formed at a center position in the width direction of the upper surface of the upper blade 21 and in the front-rear direction. A concave groove 63 is formed between the front attachment post 61 and the rear attachment post 62. The concave groove 63, together with pull-tab accommodating portions 52a of the cover body 50, forms a space into which a shaft 31 of the pull-tab 30 is rotatably fitted. In addition, the front attachment post 61 is arranged at the side of the shoulder mouths relative to a claw hole 65 which will be described later, and the rear attachment post 62 is arranged at the side of the rear mouth relative to the claw hole 65 which will be described later.
Crimping recesses 61a which crimp and fix the cover body 50 are respectively formed in right and left side surfaces of the front attachment post 61. In addition, a latching protrusion 61b which latches the stop claw body 40 is formed on an upper end portion of the front attachment post 61. The latching protrusion 61b is a protrusion smaller than an open window portion 45 of the stop claw body 40, and protrudes upward from a substantially center portion in the width direction of the front attachment post 61. In addition, a pair of right and left vertical walls 61c which extend forward from the front attachment post 61 are formed on the upper surface of the upper blade 21. The pair of right and left vertical walls 61c extend from both sides of the front attachment post 61 to the front end of the upper blade 21.
In addition, a groove 70 which extends forward is formed between the pair of vertical walls 61c and on the upper surface of the upper blade 21 at a front side (the side of the shoulder mouths) relative to the front attachment post 61. The groove 70 has a groove bottom surface which is formed lower than the upper surface of the upper blade 21, groove side surfaces which extend upward from end portions in the width direction of the bottom surface of the groove surface, and a groove end surface 71 which is surrounded by the groove bottom surface and the rear end portions of the groove side surfaces.
In addition, a protruding portion 55 of the cover body 50 which will be described later is fitted into the groove 70 (see FIG 3). In addition, a bulged portion 72 having a front surface 73 which is formed continuously from the groove end surface 71 is formed between the front attachment post 61 and the groove 70.
Crimping recesses 62a which crimp and fix the cover body 50 are formed in the right and left side surfaces of the rear attachment post 62. In addition, a pair of right and left vertical walls 64 which respectively extend from right and left end portions of the rear attachment post 62 in the front-rear direction are formed on the upper surface of the upper blade 21. In addition, the claw hole 65 is formed between the right and left vertical walls 64 in front of the rear attachment post 62 of the upper blade 21. The claw hole 65 penetrates through the upper blade 21 in the upward and downward direction, and is opened to the element guide path 27. In the right and left vertical walls 61c which are formed at a side of the front attachment post 61 and the right and left vertical walls 64 which are formed at a side of the rear attachment post 62, the right vertical walls are arranged collinearly in the front-rear direction and the left vertical walls are arranged collinearly in the front-rear direction such that peripheral edges of the cover body 50 which will be described later can be disposed around the vertical walls 61c and 64. In addition, the pair of right and left vertical walls 61c and the pair of right and left vertical walls 64 are divided from each other by the concave groove 63.
Protrusions 66 having guide surfaces 66a are formed on front end portions of the right and left vertical walls and at sides of the claw hole 65. The guide surfaces 66a are formed on surfaces of the vertical walls 64 and the protrusions 66 that face a rear surface of the attachment post 61. The guide surfaces 66a constitute inclined surfaces with heights increasing in the direction toward rear sides. When the pull-tab is operated, the guide surfaces 66a allow the shaft portion 31 of the pull-tab 30 to slide on the guide surfaces 66a so that a stop claw 43 can efficiently escape from the element guide path 27. In addition, the upper surface of the upper blade 21 constitutes a flat surface at a portion between the guide surfaces 66a of the protrusions 66 and the surface (rear surface) of the front attachment post 61 that faces the rear attachment post 62, i.e. a portion corresponding to the concave groove 63.
The stop claw body 40 is made of metal material, for example, a copper alloy, a stainless steel or the like. As shown in FIG. 1 to FIG. 3, the stop claw body 40 has a plate-shaped base portion 41, a latching portion 42 which is formed on a front end portion of the base portion 41 and is latched to the latching protrusion 61b of the front attachment post 61, the stop claw 43 which is formed by being bent downward from a rear end portion of the base portion 41 and is inserted into the claw hole 65, and a spring portion 44 which is formed by extending upward and being bent forward from the rear end portion of the base portion 41. The spring portion 44 urges a rear end portion of the stop claw body 40 downward so that the stop claw 43 is inserted into the claw hole 65.
The latching portion 42 has the rectangular open window portion 45 into which the latching protrusion 61b of the front attachment post 61 can be inserted and latched. In addition, the latching portion 42 is bent downward from the base portion 41 such that the latching portion 42 is easy to be caught by the front attachment post 61 and difficult to escape from the front attachment post 61. The edge walls constituting the open window portion 45 are also bent. The spring portion 44 is configured by blanking a portion of the stop claw body 40 that is at center in the longitudinal direction from one end at a side of the base portion 41 of the open window portion 45 to form a cutout hole 46 and raising the blanked portion. In addition, a leading end of the bending-machined spring portion 44 protrudes so as to be above the base portion 41. The leading end of the stop claw 43 is formed to be narrower than the size of the width of base portion 41, and can be inserted into the claw hole 65 of the upper blade 21 so as to protrude from and retract into the element guide path 27.
The cover body 50 has a top plate 51 which is bent so as to be convex upward, a pair of right and left side plates 52 extending downward from both side edges of the top plate 51, a front plate 53 extending downward from a front end portion of the top plate 51, and a rear plate 54 extending downward from a rear end portion of the top plate 51. A cover body recess 50a is formed by edge walls consisting of the top plate, the pair of right and left side plates 52, the front plate 53 and the rear plate 54. In addition, in the cover body recess 50a, a guide groove 51a into which a leading end portion of the spring portion 44 is inserted is formed in the rear surface of the top plate 51. In addition, the pull-tab accommodating portions 52a which accommodate the shaft portion 31 of the pull-tab 30 are formed at lower end surfaces of center portions of the pair of right and left side plates 52. The pull-tab accommodating portions 52a are configured so as to be concave downward. Furthermore, the protruding portion 55 which is fitted into the groove 70 of the upper blade 21 is formed extending downward from a lower end surface of the front plate 53. In addition, lower end surfaces of the edge walls which form the cover body recess 50a are formed at the same height except for the pull-tab accommodating portions 52a and the protruding portion 55, and are disposed so as to face upper surfaces of the right and left vertical walls 61c and the right and left vertical walls 64.
In addition, as shown in FIG. 4 and FIG. 5, the cover body 50 is fixed to the front and rear attachment posts 61 and 62 as the right and left side plates 52 thereof are respectively crimped to the crimping recesses 61a and 62a of the front and rear attachment posts 61 and 62.
In addition, as shown in FIG. 1 and FIG. 3, a rear end portion of the groove 70 of the upper blade 21 is provided with a groove end surface 71. The groove end surface 71 is formed at the front side relative to a leading end of the latching portion 42 of the stop claw body 40 which is latched to the latching protrusion 61b of the front attachment post 61.
In addition, the bulged portion 72 having the front surface 73 which is formed continuously from the groove end surface 71 is formed between the front attachment post 61 and the groove 70. The bulged portion 72 is bulged upward from the upper surface of the upper blade 21, a rear side of the bulged portion 72 continuously contacts the front surface of the front attachment post 61, and the front surface 73 of the bulged portion 72 has a guide portion 75. The guide portion 75 constitutes an inclined surface which is inclined toward the upper surface of the bulged portion 72. The guide portion 75 guides the protruding portion 55 of the cover body 50 to the groove 70. In addition, the guide portion 75 is formed at least between the leading end of the latching portion 42 of the stop claw body 40 and the groove end surface 71 of the groove 70 in the state where the guide portion is latched to the latching protrusion 61b of the front attachment post 61.
Referring to the sequence of assembling the slider 10 for a slide fastener, first, the shaft portion 31 of the pull-tab 30 is inserted into the concave groove 63 of the slider body 20. Afterwards, the stop claw body 40 is disposed on the slider body 20 such that the latching portion 42 is latched to the latching protrusion 61 b of the front attachment post 61 and the stop claw 43 is inserted into the claw hole 65 of the upper blade 21. After that, the cover body 50 is disposed on the slider body 20 such that the front and rear attachment posts 61 and 62 are accommodated in the cover body recess 50a. Next, as shown in FIG. 3 and FIG. 6, the cover body 50 is set to a preset position as the top plate 51 of the cover body 50 is pressed downward by the pressure pad 81. In addition, as shown in FIG. 4 and FIG. 5, the cover body 50 is fixed to the front and rear attachment posts 61 and 62 as the right and left side plates 52 of the cover body 50 are respectively crimped to the crimping recesses 61a and 62a of the front and rear attachment posts 61 and 62 by a of right and left punches 82. According to the above-mentioned sequence, the slider 10 is assembled. In addition, in the assembled state, the shaft portion 31 of the pull-tab 30 is disposed between the concave groove 63 of the upper blade 21 and the base portion 41 of the stop claw body 40.
Here, as described above, it is required to prevent the cover body 50 from rattling in the front-rear direction or the width direction by positioning the cover body 50 with respect to the slider body 20 when fixing the cover body 50 to the slider body 20. According to this embodiment, the positioning of the cover body 50 is performed by bringing the side walls of the front attachment post 61 and the rear attachment post 62 into contact with the inner walls of the pair of side plates 52 so as to reduce rattling in the width direction and an end surface of the rear attachment post 62 at the side of the rear mouth and the groove end surface 71 into contact with the inner wall of the cover body recess 50a and the inner wall of the protruding portion 55 so as to reduce rattling in the front-rear direction. In addition, even after the cover body 50 is fixed to the slider body 20 by respectively crimping to the crimping recesses 61a and 62a of the front and rear attachment posts 61 and 62 by the pair of right and left punches 82, a movement of the cover body 50 in the front-rear direction or the lateral direction is restricted. It is therefore possible to prevent the cover body 50 from being deformed or escaping from the slider body 20. In addition, since the cover body 50 is crimped and fixed to the slider body 20 as the front surface 73 of the bulged portion 72 contacts the front surface 53 of the cover body 50, it is possible to more firmly fix the cover body 50 to the slider body 20.
Since the groove end surface 71 is disposed at the front side relative to the leading end of the latching portion 42 which is latched to the upper end of the front attachment post 61, it is possible to prevent the latching portion 42 from coming into contact with the cover body 50 after the cover body 50 is fixed to the slider body 20. Accordingly, the function as the stop claw body 40 can be firmly maintained.
According to this embodiment, when the cover body 50 is finally fixed by crimping, as shown in FIG 3, it is required to set the top plate 51 of the cover body 50 in the state where it is pressed downward by the pressure pad 81. This is because, when the latching portion 42 is latched to the latching protrusion 61b, the leading end of the spring portion 44 contacts the inner wall of the top plate 51 of the cover body 50, and as shown in FIG. 6, the front portion of the cover body 50 is pushed up relative to the rear portion, so that the cover body 50 cannot be disposed at a preset position. In addition, this embodiment is configured such that, even in this state, when the cover body 50 us pressed downward using the pressure pad 81, the protruding portion 55 protruding downward and the bulged portion 72 protruding upward promptly contact each other. Accordingly, the protruding portion 55 is guided into the groove 70 by the bulged portion 72 so that the protruding portion 55 can be easily fitted into the groove 70. In addition, In addition, since the bulged portion 72 is provided with the guide portion 75 having the inclined surface which is inclined toward the upper surface 74 of the bulged portion 72 from the front surface 73 as described above, the protruding portion 55 can be smoothly guided to the groove 70.
Since the guide portion 75 is formed between the leading end of the latching portion 42 and the groove end surface 71, when the cover body 50 is pressed downward using the pressure pad 81, the protruding portion 55 can be guided to the groove 70 while the cover body 50 is prevented from contacting the latching portion 42 as much as possible. This can prevent the stop claw body 40 from being damaged due to the contact of the cover body 50 with the latching portion 42 or escaping from the latching protrusion 61b, which would otherwise cause an assembly defect.
As described above, in the slider 10 for a slide fastener according to this embodiment, since the groove end surface 71 of the groove 70 of the upper blade 21 is formed at the front side relative to the leading end of the latching portion 42 of the stop claw body 40 which is latched to the upper end of the front attachment post 61, it is possible to maintain the size for obtaining the required strength of the front attachment post 61 and the rear attachment post 62 while miniaturizing the slider 10, thereby obtaining a sufficient amount of strength of the slider 10. In addition, the cover body 50 can be reliably positioned on the slider body 20.
In addition, in the slider 10 for a slide fastener according to this embodiment, the front surface 73 of the bulged portion 72 of the upper blade 21 is provided the guide portion 75 having the inclined surface which is inclined toward the upper surface 74 of the bulged portion 72, and the guide portion 75 guides the protruding portion 55 of the cover body 50 to the groove 70. Accordingly, the protruding portion 55 can be reliably fitted using the groove 70.
The present invention is not limited to those that were illustrated in the foregoing embodiments but can be suitably changed without departing from the concept of the present invention.
For instance, although the method of fixing the cover body 50 according to the foregoing embodiments is crimping and fixing, the fixing method is not limited thereto but can be implemented as other methods such as latching, bonding or the like.
In addition, although the groove 70 according to this embodiment is formed lower than the upper surface of the upper blade 21, the groove is not limited thereto but may be formed lower than a surface (the upper surfaces of the vertical walls 61c and 64) on which the cover body 50 is disposed.
Furthermore, although the positioning of the cover body 50 in the front-rear direction according to this embodiment is performed through the contact between the rear plate 54 of the cover body 50 and the rear attachment post 62 and the contact between the protruding portion 55 of the cover body 50 and the groove end surface 71, the positioning is not limited thereto but may be performed through the contact between the inner walls of the pull-tab accommodating portions 52a of the cover body 50 and the vertical surface that is the rear surface of the protrusion 66 and contact between the protruding portion 55 of the cover body 50 and the groove end surface 71.

Description of Reference Numerals

10: Slider For Slide Fastener
20: Slider Body
21: Upper Blade
22: Lower Blade
23: Guide Post
27: Element Guide Path
30: Pull-Tab
31: Shaft Portion
40: Stop Claw Body
41: Base Portion
42: Latching Portion
43: Stop Claw
44: Spring Portion
50: Cover Body
51: Top Plate
52: Side Plate
52a: Pull-Tab Accommodating Portion
53: Front Plate
54: Rear Plate
55: Protrusion
61: Front Attachment Post
61a: Crimping Recess
61b: Latching Protrusion
62: Rear Attachment Post
62a: Crimping Recess
65: Claw Hole
66: Protrusion
66a: Guide Surface
70: Groove
71: Groove End Surface
72: Bulged Portion
73: Front Surface
74: Upper Surface
75: Guide Portion

Claims

A slider for a slide fastener comprising a slider body (20), a pull-tab (30), a stop claw body (40) and a cover body (50),
wherein the slider body includes: an upper blade (21); a lower blade (22); a guide post (23) which connects the upper and lower blades to each other; an element guide path (27) which is surrounded by the upper blade, the lower blade and the guide post; a claw hole (65) which is formed in the upper blade and penetrating into the element guide path; a front attachment post (61) which is erected on an upper surface of the upper blade at a side of shoulder mouths relative to the claw hole; a rear attachment post (62) which is erected on the upper surface of the upper blade at a side of a rear mouth relative to the claw hole; and a groove (70) which is formed in the upper blade at a side of the shoulder mouths relative to the front attachment post,
wherein the stop claw body includes: a plate-shaped base portion (41); a latching portion (42) which is formed on one end of the base portion and latched to an upper end of the front attachment post; and a stop claw (43) which is formed by being bent downward from the other end of the base portion and is inserted into the claw hole,
wherein the cover body includes: a top plate (51); a pair of side plates (52) which extend downward from both side edges of the top plate; a front plate (53) which extends downward from a front end edge of the top plate; a rear plate (54) which extends downward from a rear end edge of the top plate; and a protruding portion (55) which protrudes from a lower end surface of the front plate and is fitted into the groove,
wherein the cover body is fixed to the slider body in a state where a shaft portion (31) of the pull-tab is disposed between the upper blade and the stop claw body, the latching portion is latched to the upper end of the front attachment post, the stop claw is inserted into the claw hole, and the front and rear attachment posts are accommodated in the cover body, and
wherein the groove has a groove end surface (71) at a front side relative to a leading end of the latching portion which is latched to the upper end of the front attachment post.
The slider for a slide fastener according to claim 1, wherein a bulged portion (72) which bulges from the upper surface of the upper blade (21) is formed between the front attachment post (61) and the groove (70), the bulged portion having a front surface (73) formed continuously from the groove end surface (71).
The slider for a slide fastener according to claim 2,
wherein the front surface (73) of the bulged portion (72) has a guide portion (75) comprised of an inclined surface which is inclined toward an upper surface (74) of the bulged portion, and
wherein the guide portion guides the protruding portion (55) of the cover body (50) to the groove (70).
The slider for a slide fastener according to claim 3, wherein the guide portion (75) is formed at least between the leading end of the latching portion (42) and the groove end surface (71).
The slider for a slide fastener according to any one of claims 1 to 4,
wherein protrusions (66) are formed at sides of the claw hole (65), the protrusions (66) are contactable with inner walls of pull-tab accommodating portions (52a) which are formed in the pair of side plates (52) of the cover body (50) to accommodate the shaft portion (31) of the pull-tab (30), and the protrusions (66) have guide surfaces (66a) which guide the shaft portion of the pull-tab,
wherein a movement of the cover body in a front-rear direction is restricted by the protrusions and the protruding portion (55) which is contactable with the groove end surface (71), and
wherein the upper surface of the upper blade (21) between the guide surfaces of the protrusions and a surface of the front attachment post (61) that faces the rear attachment post (62) constitutes a flat surface.
The slider for a slide fastener according to any one of claims 1 to 4,
wherein an end surface of the rear attachment post (62) at a side of the rear mouth is configured to be contactable with an inner wall of the rear plate (54) of the cover body (50),
wherein a movement of the cover body in a front-rear direction is restricted by the rear plate and the protruding portion (55) which is contactable with the groove end surface (71), and
wherein the upper surface of the upper blade (21) between the guide surfaces (66a) of the protrusions (66) and a surface of the front attachment post (61) that faces the rear attachment post constitutes a flat surface.