TW201517833A - Slider for slide fastener - Google Patents

Abstract

A slider for a slide fastener, wherein a pull tab is prevented from dangling to prevent occurrence of contact noise between the pull tab and a body and wherein the pull tab has enhanced operability achieved without increasing the length of the pull tab. A slider (10) for a slide fastener is provided with a body (20) having pull tab mounting supports (24L, 24R) raised from the upper surface of an upper wing plate (21), and also with a pull tab (30) pivotably mounted in pull tab mounting holes (25) formed in the pull tab supports (24L, 24R). Either a surface of the pull tab (30) or a surface of the pull tab mounting support (24L, 24R), which surfaces face each other when the pull tab (30) is laid down relative to the body (20), is provided with a projection (26) for restricting pivoting of the pull tab (30). The length (A1) of the pull tab mounting supports (24L, 24R) in the longitudinal direction thereof is less than the length (A2) of the body (20) in the longitudinal direction thereof.

Description

Slide for zipper

The present invention relates to a slider for a zipper.

At present, the slider for zipper is used in sportswear such as a car seat or a windproof jacket, but sometimes the slider is shaken by vibration of the car or vibration during exercise, and sound is generated in contact with the body.

Further, in order to prevent the occurrence of such a contact sound, a slider for zipper that locks the hole portion of the tab and the tab mounting post to prevent the tab from being shaken is known (for example, see Patent Document 1). .

Prior technical literature Patent literature

Patent Document 1: Japanese Utility Model Registration No. 3135346

However, the slider for a slide fastener described in Patent Document 1 can prevent the slider from being shaken. However, since the dimension in the longitudinal direction of the tab mounting post is set to be substantially equal to the dimension in the longitudinal direction of the main body, there is a handle for the pull tab. The part becomes shorter and the possibility of the operability of the pull piece deteriorates. Further, if the pull tab is extended to improve the operability of the pull tab, the slider is enlarged.

The present invention has been developed in view of the above circumstances, and an object thereof is to provide a slider for a zipper, which can prevent the slider from being shaken, thereby preventing the slider and the body. The contact sound is generated, and the operability of the pull tab can be improved without extending the pull tab.

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

(1) A slider for a zipper, comprising: a slider for a resin zipper for a body and a pull tab, wherein the body includes upper and lower oppositely disposed upper and lower flaps, and upper wing a guide post of the plate and the lower wing, and a pull-tab mounting column erected on the upper side of the upper wing; the pull-tab includes a handle portion and a shaft portion of the pull-tab mounting hole formed on the pull-tab mounting post And arranging the pull tab to be rotatable relative to the body; and forming a limit pull tab on at least one of the face of the pull tab mounting post and the face of the pull tab when the pull tab is inverted toward the body The protruding portion of the rotation; the dimension of the longitudinal direction of the tab mounting post is set to be shorter than the length of the body.

(2) The sliding member for zipper according to (1), wherein the pull tab mounting post comprises a left pull tab mounting post and a right pull tab mounting post erected on the upper side of the upper wing panel, and the protruding portion is formed when the pull tab is inverted At least one of a side of the left side of the pull tab mounting post and a side of the right pull tab mounting post opposite to the pull tab, or formed when the pull tab is reversed to the main body and the left pull tab mounting post and the right pull The sheet mounting post is opposed to at least one of the two faces of the tab.

(3) The sliding member for a zipper according to (1), wherein the pull tab mounting post is erected on a pull tab mounting post at the center in the width direction of the upper wing panel, and the protruding portion is formed on the pull tab When the body is opposite to the pull tab, the pull tab is mounted on the surface of the post, or is formed on the face of the pull tab opposite to the pull tab when the pull tab is inverted.

(4) The slider for a zipper according to any one of (1) to (3), wherein the distance from the center of the tab mounting hole to the front end portion in the longitudinal direction of the tab is set as a self-pull tab The center of the mounting hole is 3.5 to 8 times the distance from the front end of the protruding portion in the longitudinal direction.

(5) The sliding member for a zipper according to (2) or (3), wherein the protruding portion is formed on at least one of a front end surface and a rear end surface in a longitudinal direction of the tab mounting post, the tab mounting column system It stands substantially vertically above the upper wing.

(6) The slider for a zipper according to (3), wherein the protruding portion is formed on at least one of both side faces in the width direction of one of the tab mounting posts.

(7) The slider for a zipper according to (1), wherein the protruding portion is formed on the surface of the pull tab in such a manner as to abut against the front end surface and the rear end surface in the longitudinal direction of the tab mounting post.

(8) A slider for a zipper, comprising: a slider for a resin zipper for a body and a pull tab, wherein the body includes upper and lower oppositely disposed upper and lower flaps, and upper wing a guide post of the plate and the lower wing, and a pull-tab mounting column erected on the upper side of the upper wing; the pull-tab includes a handle portion and a shaft portion of the pull-tab mounting hole formed on the pull-tab mounting post And the pull tab is rotatably provided with respect to the main body; and, in the inner peripheral surface of the pull tab mounting hole of the pull tab mounting post, one of the engaging recess and the engaging convex portion is formed, and the pull tab is formed The outer peripheral surface of the shaft portion forms the other of the engaging recessed portion and the engaging convex portion that engages with one of the engaging recessed portion and the engaging convex portion when the pull tab is inverted toward the main body; The dimension in the length direction is set to be shorter than the length direction of the body.

According to the sliding member for a slide fastener according to the present invention, at least one of a face of the pull-tab mounting post and a face of the pull-tab facing each other when the pull-tab is tilted toward the body is formed with a protruding portion for restricting the rotation of the pull-tab, thereby Prevents the wobble of the pull tab, thereby preventing the contact sound of the pull tab from the body. Further, since the dimension in the longitudinal direction of the tab mounting post is set to be shorter than the length direction of the main body, the length of the tab portion of the tab can be sufficiently ensured, so that the operability of the tab can be improved without extending the tab. Further, since the protruding portion is provided in the vicinity of the shaft portion of the pull tab, the engagement can be stably performed with a small force by the principle of the lever.

According to the sliding member for a slide fastener of the present invention, the distance from the center of the tab mounting hole to the front end portion in the longitudinal direction of the tab is set to be from the center of the tab mounting hole to the front end of the projection in the longitudinal direction. Since the distance from the portion is 3.5 times to 8 times, the length of the handle portion of the pull tab can be further ensured, and the operability of the pull tab can be further improved.

10, 50‧‧‧Sliding parts for zippers

20, 60‧‧‧ ontology

21, 61‧‧‧ upper wing

22, 62‧‧‧ lower wing

23, 63‧‧‧ guide column

24L‧‧‧left pull tab mounting post

24R‧‧‧Right pull tab mounting post

24Fr, 64Fr‧‧‧ front face

24Rr, 64Rr‧‧‧ rear end face

25, 65‧‧‧ pull tab mounting holes

26, 66‧‧‧ protruding parts

30, 70‧‧‧ pull-up

31, 71‧‧‧ handles

32, 72‧‧‧Axis

33‧‧‧Expansion Department

64‧‧‧ Pull tab mounting post

73‧‧‧Installation holes

73a‧‧‧Edge

81‧‧‧Clamping recess

82‧‧‧Snap convex

A1‧‧‧ Dimensions of the length direction of the left and right pull tab mounting posts

A2‧‧‧ Dimensions of the length of the body

A3‧‧‧1 pull-tab mounting column length dimension

A4‧‧‧ Dimensions of the length of the body

L1, L3‧‧‧ Distance from the center of the tab mounting hole to the end of the tab

L2, L4‧‧‧ distance from the center of the tab mounting hole to the front end of the projection

P1, P2‧‧‧ Center

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an enlarged plan view showing a slide fastener according to a first embodiment of a slider for a slide fastener according to the present invention; Fig. 2 is a plan view showing a slider for a slide fastener shown in Fig. 1; 4 is a side view of the slider for the zipper; FIG. 4 is a plan view showing the state of the slider of the slider for the zipper shown in FIG. 3; 6 is a plan view showing a first modification of the slider for a slide fastener according to the first embodiment; FIG. 7 is a side view showing a second modification of the slider for a slide fastener according to the first embodiment; and FIG. 8 is a view showing the present invention. Fig. 9 is a partial plan view showing a sliding part of the slide fastener shown in Fig. 8; Fig. 10 is a view showing a slide fastener for a slide fastener according to a second embodiment; 1 is a plan view showing a second modification of the slide fastener for a slide fastener according to the second embodiment; and FIG. 12 is a third modification of the slide fastener for a slide fastener according to the second embodiment. FIG. 13 is a side view showing a third embodiment of the slide fastener for a slide fastener according to the present invention; and FIG. A perspective view of a slide fastener for a zipper of the present invention for opening and closing a zipper of a back pocket of a vehicle seat.

Hereinafter, each embodiment of the slider for a slide fastener of the present invention will be described in detail based on the drawings. Further, in each of the embodiments, the front and rear directions of the slider refer to a direction parallel to the sliding direction of the slider, and the direction in which the left and right fastener elements are meshed in the zipper is forward, and the left and right chains are The direction in which the teeth slide when they are detached is the rear. Further, the left-right direction of the slider refers to a direction parallel to the chain surface of the slider and at right angles to the front-rear direction of the slider, and the upper and lower directions of the slider refer to the surface-back direction of the chain fabric when the zipper is formed. The same direction.

(First embodiment)

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

As shown in FIG. 1 and FIG. 2, the slider 10 for a slide fastener according to the present embodiment includes a main body 20 and a pull tab 30 attached to the spiral elements 12 and 12 of the pair of left and right chain fabrics 11, And passed through the helical sprocket 12, 12; the pull tab 30 is arranged to be rotatable relative to the body 20. Further, in the present embodiment, the main body 20 and the pull tab 30 are formed by injection molding of a resin. Further, as shown in FIG. 14, the slider 10 of the present embodiment can be used as a slide fastener 3 that opens and closes the upper edge of the back pocket 2 of the vehicle seat 1.

As shown in FIG. 2 and FIG. 3, the body 20 includes: an upper wing 21; a lower wing 22 which is disposed in parallel with the upper wing 21 and a guide pillar 23 which is coupled to the upper wing 21 in the front end portion. And a lower wing plate 22; a left-hand pull tab mounting post 24L and a right pull tab mounting post 24R of a door shape integrally formed in a manner substantially perpendicularly standing on a surface (upper surface) of the upper flap 21; and left and right side guides The plate 22a is erected toward the upper blade 21 from the left and right side edges on the rear side of the lower blade 22. Thereby, the left and right introduction ports 20a separated by the guide post 23 are formed in the front portion of the body 20, and the engagement opening 20b is formed in the rear portion of the body 20. Further, between the upper blade 21 and the lower blade 22, a Y-shaped sprocket guiding path 20c that connects the left and right introduction ports 20a and the engagement opening 20b is provided, and the sprocket guiding path 20c constitutes a zipper. It becomes a passage through which the left and right spiral teeth 12 pass.

As shown in FIGS. 3 and 4, the pull tab 30 includes a handle portion 31, and a shaft portion 32 disposed on the circular tab mounting hole 25 formed on the left and right pull tab mounting posts 24L, 24R, respectively. Moreover, the pull tab 30 is disposed to be rotatable relative to the left and right pull tab mounting posts 24L, 24R of the body 20. Moreover, in the handle portion 31 and the tab mounting posts 24L, 24R The end portions on the side of the shaft portion 32 are formed with expansion portions 33 and 33 extending along the left and right sides.

Further, in the present embodiment, as shown in FIGS. 2 and 3, when the pull tab 30 is tilted toward the main body 20, the left and right pull tab mounting posts 24L, 24R are opposed to the expanded portions 33, 33 of the pull tab 30. The surface, that is, the front end faces 24Fr and 24Fr and the rear end faces 24Rr and 24Rr of the left and right pull tab mounting posts 24L and 24R in the longitudinal direction are respectively formed with protruding portions 26. The protruding portion 26 is engaged with the expanded portion 33 of the pull tab 30 to restrict the rotation of the pull tab 30 from the tilted state. As a result, as shown in FIG. 5, even if the pull tab 30 is tilted toward either of the front and rear directions of the slider 10, the expanded portion 33 of the pull tab 30 is locked to the left and right pull tab mounting posts 24L, 24R. The protruding portion 26 prevents the tab 30 from being shaken, thereby preventing the generation of the contact sound of the tab 30 with the body 20. In addition, the state in which the pull tab 30 is tilted toward the main body 20 and engaged with the pull tab mounting posts 24L, 24R means that the pull tab 30 is disposed on the upper side of the upper flap 21 so that the pull tab mounting posts 24L, 24R The protruding portion 26 covers the state of the upper end of the expanded portion 33 of the pull tab 30.

Further, in the present embodiment, as shown in FIG. 3, the dimension A1 in the longitudinal direction of the left and right tab attachment posts 24L, 24R is set to be shorter than the dimension A2 in the longitudinal direction of the body 20. Thereby, the length of the tab portion 31 of the tab 30 can be sufficiently ensured, and the operability of the tab 30 is improved. Further, by the above setting, the locking portions of the protruding portions 26 of the left and right tab connecting posts 24L, 24R and the expanding portion 33 of the tab 30 are disposed in the vicinity of the shaft portion 32 of the tab 30, so that the tab is pulled. The stability of the 30 card is improved.

Further, in the present embodiment, as shown in Fig. 3, the distance L1 from the center P1 of the tab attachment hole 25 of the left and right tab attachment posts 24L, 24R to the front end portion in the longitudinal direction of the tab 30 is shown. The distance L2 from the center P1 of the tab mounting hole 25 to the front end portion of the protruding portion 26 in the longitudinal direction is set to be 3.5 times to 8 times. Thereby, the length of the tab portion 31 of the tab 30 can be further ensured, so that the operability of the tab 30 is further improved. Further, by the above setting, the tab 30 is relatively locked in the vicinity of the shaft portion 32 of the tab 30, so that the tab 30 can be easily released by a small force.

Further, in the present embodiment, as shown in Fig. 2, the width of the column 32a of the shaft portion 32 of the tab 30 is substantially the same as the width between the left and right tab mounting posts 24L, 24R. Thereby, the rattling of the tab 30 in the left-right direction can be suppressed.

As described above, the slide fastener 10 according to the present embodiment has the front end face 24Fr in the longitudinal direction of the left and right pull tab mounting posts 24L, 24R facing the pull tab 30 when the pull tab 30 is tilted toward the main body 20. The upper portion of the 24Fr and the rear end faces 24Rr and 24Rr respectively form the protruding portion 26 for restricting the rotation of the pull tab 30, so that the wrap of the pull tab 30 can be prevented, thereby preventing the generation of the contact sound of the pull tab 30 and the body 20.

Further, according to the slider 10 for a slide fastener of the present embodiment, the dimension A1 in the longitudinal direction of the left and right tab attachment posts 24L and 24R is set to be shorter than the dimension A2 in the longitudinal direction of the main body 20, so that the tab can be sufficiently ensured. The length of the handle portion 31 of the 30 allows the operability of the tab 30 to be improved without extending the tab 30. Further, by the above setting, the locking portions of the protruding portions 26 of the left and right pull tab mounting posts 24L, 24R and the expanded portion 33 of the pull tab 30 are disposed in the vicinity of the shaft portion 32 of the pull tab 30, thereby improving the pulling The stability of the card 30 is stable.

Further, according to the slider 10 for a slide fastener of the present embodiment, the distance L1 from the center P1 of the tab attachment hole 25 to the front end portion in the longitudinal direction of the tab 30 is set to be the center of the tab attachment hole 25. Since P1 is 3.5 times to 8 times the distance L2 from the front end portion of the protruding portion 26 in the longitudinal direction, the length of the tab portion 31 of the tab 30 can be further ensured, and the operability of the tab 30 can be further improved. Further, with the above setting, the pull tab 30 is relatively locked in the vicinity of the shaft portion 32 of the pull tab 30, so that the pull tab 30 can be easily released by a small force.

Further, according to the slider 10 for a slide fastener of the present embodiment, the protruding portion 26 is formed on the front end faces 24Fr and 24Fr and the rear end faces 24Rr and 24Rr of the left and right pull tab mounting posts 24L and 24R in the longitudinal direction, thereby preventing the projections. 26 is eye-catching. Further, the dimension A1 in the longitudinal direction of the left and right pull tab mounting posts 24L, 24R is set to be shorter than the dimension A2 of the longitudinal direction of the body 20, and the protruding portion 26 does not protrude from the body 20 in the longitudinal direction of the body 20. Therefore, it is possible to prevent the protruding portion 26 from accidentally hooking the object.

Further, according to the slide fastener 10 for the slide fastener of the present embodiment, the stretched portion 33 of the pull tab 30 is elastically deformed by the resin over the protruding portions 26 of the left and right pull tab mounting posts 24L, 24R, so that the pull tab 30 is stuck. Since the protruding portion 26 is stopped, the handle piece 26 is provided with an operational feeling when it is locked to the protruding portion 26, so that the locking can be promoted reliably.

Further, according to the slide fastener 10 of the present embodiment, the shaft portion 32 of the pull tab 30 is disposed between the left and right pull tab mounting posts 24L and 24R, so that the left and right direction and the twist direction can be more stably prevented. The tab 30 is shaken.

Further, according to the slide fastener 10 for the slide fastener of the present embodiment, the expanded portion 33 of the pull tab 30 is formed to be more elastically deformable toward the outer side in the width direction, so that the pull tab that is locked to the protruding portion 26 can be reduced. The gap between the left and right pull tab mounting posts 24L, 24R is 30, so that the slider 10 can be miniaturized.

Further, as a first modification of the embodiment, as shown in FIG. 6, the protruding portion 26 may be formed only on the end surface 24Rr of the left side tab mounting post 24L. In this case, the pull tab 30 can be locked only to the rear side of the left and right pull tab mounting posts 24L, 24R. Further, according to the present modification, compared with the case where the projections 26 are formed on the front end faces 24Fr and 24Fr and the rear end faces 24Rr and 24Rr on the front left and right side tab mounting posts 24L and 24R, the raw materials used can be saved, and thus the number of materials can be reduced. The manufacturing cost of the slider 10 and the weight reduction of the slider 10 can be achieved.

In the present modification, the case where the protruding portion 26 is formed only after the left side tab mounting post 24L is illustrated is illustrated. However, the protruding portion 26 is formed only on the left and right tab mounting posts 24L, At least one of the front end faces 24Fr and 24Fr and the rear end faces 24Rr and 24Rr of the 24R may be used.

Further, as a second modification of the embodiment, as shown in FIG. 7, the protruding portion 26 may be formed to pull the tab 30 opposite to the left and right tab mounting posts 24L, 24R when the tab 30 is tilted toward the body 20. Each of the expansion portions 33, 33 (shown only on the right side). Moreover, according to the present modification, it is not necessary to mount the front end 24Fr and the rear end of the left and right pull tab mounting posts 24L, 24R. The protrusions 26 are formed on both sides of the surface 24Rr, and only the protrusions 26 are formed on the expansion portions 33 of the pull tabs 30, so that the tabs 30 can be locked to the front and rear sides of the left and right pull tab mounting posts 24L, 24R. .

Further, in the present modification, the case where the protruding portion 26 is formed on both of the expanded portions 33 and 33 of the pull tab 30 is exemplified, but the protruding portion 26 is not limited thereto, and the protruding portion 26 is formed in the expanded portion of the pull tab 30. At least one of 33, 33 can be used.

Further, in the present embodiment, the protruding portion 26 is formed only on one of the faces of the left and right side tab mounting posts 24L, 24R and the face of the pull tab 30 when the tab 30 is tilted toward the main body 20, but The present invention is not limited thereto, and the protruding portion 26 may be formed on both the surfaces of the left and right pull tab mounting posts 24L and 24R and the surface of the pull tab 30.

(Second embodiment)

Next, a second embodiment of the slider for a slide fastener according to the present invention will be described with reference to Figs. 8 to 12 .

As shown in FIGS. 8 and 9, the slider 50 for a slide fastener of the present embodiment includes a main body 60 and a pull tab 70 that is rotatably provided with respect to the main body 60. Further, in the present embodiment, the main body 60 and the pull-tab 70 are formed by injection molding of a resin.

As shown in FIG. 8 and FIG. 9 , the main body 60 includes: an upper wing 61; a lower wing 62 disposed parallel to the upper wing 61 and a guide post 63 connected to the upper wing 61 at the front end; a lower wing plate 62; a pull tab mounting post 64 integrally formed in a manner substantially perpendicularly standing on the surface (upper surface) of the upper wing plate 61; and left and right side guide plates 62a, which are after the lower wing plate 62 The left and right side edges of the side are erected toward the upper wing 61. Thereby, the left and right introduction ports 60a separated by the guide post 63 are formed in the front portion of the body 60, and the engagement opening 60b is formed in the rear portion of the body 60. Further, between the upper blade 61 and the lower blade 62, a Y-shaped sprocket guiding path 60c that connects the left and right introduction ports 60a and the engagement port 60b is provided, and the sprocket guiding path 60c constitutes a zipper. At this time, it becomes a passage through which the left and right spiral elements 12 pass.

As shown in FIGS. 8 and 9, the pull tab 70 includes a handle portion 71 and is disposed on one pull tab. The shaft portion 72 of the circular tab mounting hole 65 formed on the post 64 is mounted, and the tab 70 is disposed to be rotatable relative to a tab mounting post 64 of the body 60. Further, between the handle portion 71 and the shaft portion 72, a quadrangular mounting hole 73 through which one of the tab mounting posts 64 passes is formed.

Further, in the present embodiment, as shown in Figs. 8 and 9, when the pull tab 70 is tilted toward the main body 60, the handle portion 73a of the mounting hole 73 of the pull tab 70 is opposed to the edge portion 73a of the pull-tab portion 71. A projection 66 is formed on the surface of the mounting post 64, that is, the upper end of the front end surface 64Fr and the rear end surface 64Rr in the longitudinal direction of the one tab mounting post 64. The protruding portion 66 is engaged with the edge portion 73a of the pull tab 70 to restrict the rotation of the pull tab 70 from the tilted state. Thereby, even if the pull tab 70 is tilted toward either of the front and rear directions of the slider 50, the edge portion 73a of the pull tab 70 is locked to the protruding portion 66 of the one pull tab mounting post 64, so that the pull tab 70 can be prevented. Shaking, thereby preventing the generation of the contact sound of the tab 70 and the body 60. In addition, the state in which the pull tab 70 is tilted toward the main body 60 and engaged with the pull tab mounting post 64 means that the pull tab 70 is disposed on the upper side of the upper flap 61 so that the protruding portion 66 of the pull tab mounting post 64 covers the pull tab. The state of the upper end of the edge portion 73a of 70.

Further, in the present embodiment, as shown in FIG. 9, the dimension A3 in the longitudinal direction of one of the tab mounting posts 64 is set to be shorter than the dimension A4 in the longitudinal direction of the main body 60. Thereby, the length of the handle portion 71 of the tab 70 can be sufficiently ensured, and the operability of the tab 70 is improved. Further, by the above setting, the locking portion 66 of the tab mounting post 64 and the locking portion of the edge portion 73a of the tab 70 are disposed in the vicinity of the shaft portion 72 of the tab 70, so that the locking stability of the tab 70 is improved. .

Further, in the present embodiment, as shown in Fig. 9, the distance L3 from the center P2 of the tab attachment hole 65 of the tab mounting post 64 to the front end portion in the longitudinal direction of the tab 70 is set to be self-set. The center P2 of the tab mounting hole 65 is 3.5 times to 8 times the distance L4 from the front end portion of the protruding portion 66 in the longitudinal direction. Thereby, the length of the handle portion 71 of the tab 70 can be further ensured, so that the operability of the tab 70 is further improved. Further, with the above setting, the tab 70 is relatively locked in the vicinity of the shaft portion 72 of the tab 70, so that the tab 70 can be easily released by a small force.

As described above, according to the slide fastener 50 of the present embodiment, when the pull tab 70 is tilted toward the main body 60, the front end face 64Fr and the rear side of the pull tab 70 facing the pull tab 70 in the longitudinal direction of the pull tab mounting post 64 The upper portion of the end surface 64Rr is formed with a projection portion 66 for restricting the rotation of the tab 70, so that the tab 70 can be prevented from being shaken, thereby preventing the generation of the contact sound of the tab 70 and the body 60.

Further, according to the slider 50 for a slide fastener of the present embodiment, the dimension A3 in the longitudinal direction of the one tab mounting post 64 is set to be shorter than the dimension A4 in the longitudinal direction of the main body 60, so that the tab 70 can be sufficiently ensured. The length of the handle portion 71 allows the operability of the tab 70 to be improved without extending the tab 70. Further, by the above setting, the locking portion 66 of the handle attaching post 64 and the locking portion of the edge portion 73a of the tab 70 are disposed in the vicinity of the shaft portion 72 of the tab 70, so that the locking of the tab 70 can be improved. stability.

Further, according to the slider 50 for a slide fastener of the present embodiment, the distance L3 from the center P2 of the tab attachment hole 65 to the front end portion in the longitudinal direction of the tab 70 is set to be from the tab attachment hole 65. Since the center P2 is 3.5 times to 8 times the distance L4 from the front end of the protruding portion 66 in the longitudinal direction, the length of the handle portion 71 of the tab 70 can be further ensured, and the operability of the tab 70 can be further improved. . Further, with the above setting, the tab 70 is relatively locked to the vicinity of the shaft portion 72 of the tab 70, so that the tab 70 can be easily released by a small force.

Further, according to the slider 50 for a slide fastener of the present embodiment, the protruding portion 66 is formed on the front end surface 64Fr and the rear end surface 64Rr in the longitudinal direction of the one tab mounting post 64, so that the protruding portion 66 can be prevented from attracting attention. Further, the dimension A3 of the one of the tab mounting posts 64 in the longitudinal direction is set to be shorter than the dimension A4 of the longitudinal direction of the body 60, and the protruding portion 66 does not protrude from the body 60 in the longitudinal direction of the body 60, thereby preventing The projection 66 accidentally hooks the object.

Further, according to the slider 50 for a slide fastener of the present embodiment, the edge portion 73a of the attachment hole 73 of the tab 70 is elastically deformed by the resin and passes over the projection 66 of the tab mounting post 64, thereby locking the tab 70. At the projection 66, thus having an operation when the tab 70 is locked to the projection 66 Sense, which promotes reliable locking.

Further, since the slide fastener 50 for the slide fastener according to the present embodiment has one handle mounting post 64, the raw material used can be saved as compared with the case where the two pull tab mounting posts are provided as in the first embodiment. Therefore, the manufacturing cost of the slider 50 can be reduced, and the weight of the slider 50 can be reduced.

Further, as a first modification of the embodiment, as shown in FIG. 10, the protruding portion 66 may be formed only on the end surface 64Rr of the one tab mounting post 64. In this case, the pull tab 70 can be locked only to the rear side of the one pull tab mounting post 64. Further, according to the present modification, the raw material used can be saved as compared with the case where the protruding portion 66 is formed on both the front end face 64Fr and the rear end face 64Rr of the one pull tab mounting post 64, so that the manufacture of the slider 50 can be reduced. Cost and weight reduction of the slider 50 can be achieved.

Further, in the present modification, the case where the protruding portion 66 is formed on the end surface 64Rr after only one of the tab mounting posts 64 is exemplified, but the protruding portion 66 may be formed only by one tab. The post 64 is on the front end face 64Fr.

Further, as a second modification of the embodiment, as shown in FIG. 11, the protruding portion 66 may be formed in a mounting hole of the tab 70 facing the one tab mounting post 64 when the tab 70 is tilted toward the main body 60. 73 on the edge of the 73a. Further, according to the present modification, it is not necessary to form the protruding portion 66 on both sides of the front end surface 64Fr and the rear end surface 64Rr of the one tab mounting post 64, and only the projection portion is formed on the edge portion 73a of the mounting hole 73 of the tab 70. 66, the pull tab 70 can be locked to the front and rear sides of the one pull tab mounting post 64.

Further, as a third modification of the embodiment, as shown in FIG. 12, the protruding portions 66 may be formed at the end portions of the side surfaces of the one tab mounting post 64 in the width direction. In this case, the protruding portion 66 is engaged with the edge portion 73b of the right and left sides of the mounting hole 73 of the tab 70. Moreover, according to the present modification, it is possible to prevent the pulling of the tab 70 in the twisting direction or the like, and the tab 70 can be more stably locked.

Moreover, in the present modification, the width direction sides of one of the tab mounting posts 64 are exemplified. The protruding portion 66 is formed at the end portion after the surface, but the protruding portion 66 is not limited thereto. The protruding portion 66 is formed on the front end portion of the right side surface of the one of the handle mounting posts 64, the rear end portion of the right side surface, and the front end portion of the left side surface. And at least one of the rear ends of the left side surface may be used.

Further, in the present embodiment, only the protruding portion 66 is formed on any one of the faces of the one of the pull tab mounting posts 64 and the face of the pull tab 70 when the pull tab 70 is inverted toward the body 60, but The present invention is not limited thereto, and the protruding portion 66 may be formed on both the surface of the one of the tab mounting posts 64 and the surface of the tab 70.

(Third embodiment)

Next, a third embodiment of the slider for a slide fastener of the present invention will be described with reference to Fig. 13 . The same or equivalent portions as those in the first embodiment are denoted by the same reference numerals, and their description is omitted or simplified.

In the slider 10 for a slide fastener according to the present embodiment, as shown in FIG. 13, the upper end surface of the inner peripheral surface of the pull-tab mounting hole 25 (only the right side in the drawing) of the left and right pull tab mounting posts 24L and 24R is provided. The engaging portion and the lower end portion respectively form the engaging recessed portion 81, and on the outer peripheral surface of the both end portions (only the right side in the drawing) of the shaft portion 32 of the pull tab 30, respectively, when the pull tab 30 is inverted toward the body 20 and the card The engaging convex portion 82 that is engaged with the concave portion 81 is engaged.

In the present embodiment, the engagement concave portion 81 is formed on the inner circumferential surface of the handle attachment hole 25, and the engagement convex portion 82 is formed on the outer circumferential surface of the shaft portion 32. However, the present invention is not limited thereto. Accordingly, the engagement recessed portion 81 may be formed on the outer circumferential surface of the shaft portion 32, and the engagement convex portion 82 may be formed on the inner circumferential surface of the tab attachment hole 25.

Further, in the present embodiment, the case where the engagement recessed portion 81 is formed on both the upper end portion and the lower end portion of the inner circumferential surface of the handle attachment hole 25 is exemplified, but the present invention is not limited thereto, as long as the pull tab 30 is poured over. When the direction is not changed, the engagement recessed portion 81 may be formed on any of the upper end portion and the lower end portion of the inner circumferential surface of the tab attachment hole 25.

Further, in the present embodiment, the case where the engagement recessed portion 81 is formed in both of the left and right pull tab mounting posts 24L and 24R is exemplified, but the present invention is not limited thereto, and the engagement recessed portion 81 is not limited thereto. It may be formed on any of the left and right pull tab mounting posts 24L, 24R. In this case, the engaging convex portion 82 is formed at an end portion of the shaft portion 32 on the side where the engaging concave portion 81 is formed.

In the present embodiment, the case where the engaging recessed portion 81 and the engaging convex portion 82 are applied to the slider 10 for a slide fastener according to the first embodiment is exemplified, but the present invention is not limited thereto. In the sliding member 50 for a slide fastener of the embodiment, the engaging recessed portion 81 and the engaging convex portion 82 are applied.

As described above, according to the slide fastener 10 for the slide fastener of the present embodiment, the engagement concave portion 81 is formed on the inner circumferential surface of the pull-tab mounting hole 25 of the left and right pull-tab mounting posts 24L and 24R, and the pull-tab is formed. The outer peripheral surface of the shaft portion 32 of the 30 is formed with the engaging convex portion 82 that engages with the engaging recessed portion 81 when the pull tab 30 is tilted toward the body 20, so that the tab 30 can be prevented from being shaken, thereby preventing the tab 30 and the body from being pulled. 20 contact sound generation.

The configuration and effects of the other embodiments are the same as those of the first embodiment described above.

10‧‧‧Sliding parts for zippers

11‧‧‧Chain

12‧‧‧Helical sprocket

20‧‧‧ body

21‧‧‧Upper wing

24L‧‧‧left pull tab mounting post

24R‧‧‧Right pull tab mounting post

25‧‧‧ Pull tab mounting hole

26‧‧‧Protruding

30‧‧‧ Pulling

31‧‧‧Handle

32‧‧‧Axis

Claims (2)

A sliding member for a zipper, characterized in that it comprises a sliding member (10) for a resin zipper of a body (20) and a pull tab (30), and the body (20) includes an upper and lower oppositely disposed upper wing a plate (21) and a lower wing plate (22), a guide post (23) connecting the upper wing plate and the lower wing plate, and a left pull tab mounting post (24L) erected on the upper surface of the upper wing plate and The right pull tab mounting post (24R); the pull tab (30) includes a handle portion (31), and the pull tab assembly disposed on the left pull tab mounting post (24L) and the right pull tab mounting post (24R) a shaft portion (32) of the hole (25), and an expansion portion (33) extending to the left and right sides, and the pull tab (30) is disposed to be rotatable relative to the body; wherein the pull tab (30) When the main body (20) is fallen down, the front end surface (24Fr) of the left side tab mounting post (24L) opposite to the expanding portion (33) of the pull tab, and the right pull tab mounting post The front end face (24Fr) in the longitudinal direction, and the rear end face (24Rr) of the left side pull tab mounting post and the rear end face (24Rr) of the right pull tab mounting post At least one of the protrusions (26) is formed, and after the pull tab (30) is tilted to one of the front and rear directions of the main body (20), the pull tab can be locked by the protruding portion (26) And the rotation of the above pull tab is restricted. A sliding member for a zipper, characterized in that it comprises a sliding member (10) for a resin zipper of a body (20) and a pull tab (30), and the body (20) includes an upper and lower oppositely disposed upper wing a plate (21) and a lower wing plate (22), a guide post (23) connecting the upper wing plate and the lower wing plate, and a left pull tab mounting post (24L) erected on the upper surface of the upper wing plate and The pull tab mounting post (24R) of the right side; the pull tab (30) includes a handle portion (31), and a tab mounting hole formed on the left pull tab mounting post (24L) and the right pull tab mounting post (24R) (25) shaft portion (32), and expansion portion extending to the left and right sides (33), and the above-mentioned pull tab (30) is rotatably provided with respect to the body; wherein, on the side of the left pull tab mounting post (24L) and the right pull tab mounting post (24R) (24Fr, 24Rr a protruding portion (26) is formed on the expanding portion (33) of the opposite pull tab, and the pull tab (30) is tilted in one of the front and rear directions of the main body (20). The protruding portion (26) is locked to the front end surface (24Fr) of the left side pull tab mounting post (24L) and the right side pull tab mounting post (24R), or the left pull tab mounting post (24L) and the right side The end surface (24Rr) of the longitudinal direction of the pull tab mounting post (24R) restricts the rotation of the pull tab.