TWI465205B - Zipper with slider - Google Patents

Description

Zipper slider

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a slider for a slide fastener, and more particularly to a slider for a slide fastener which can be attached to a main body or detached from a main body.

As a slider for a zipper, there is known a member including: a main body; a lock member that supports a column portion that is erected on an upper surface of the main body; and a cover member that covers the column portion and the lock member from above; a pin that penetrates the column portion, the lock member, and the cover member to serve as a center of rotation of the lock member; and an opening and closing member that is formed between the end portion of the cover member and the body to open and close a gap through which the pull tab is inserted (for example Refer to Patent Document 1).

Advanced technical literature Patent literature

Patent Document 1: Japanese Real Fair No. 4-32974

However, in the slider for slide fasteners described in the above-mentioned Patent Document 1, the upper surface of the second closing portion of the opening and closing member is formed substantially in parallel with the upper wing of the main body, so that it becomes difficult to act on the lock member. The recess is inserted into the tab.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a slider for a slide fastener that can be easily inserted into a movable concave portion of a lock member.

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

(1) A slide for a slide fastener, comprising: a main body; a lock member swingably supported by a column portion standing at an end portion of the upper surface of the upper surface of the main body; and a cover member covering the column portion from above And a locking member; and an opening and closing member formed between the rear end portion of the cover member and the main body to open and close a gap through which the shaft portion of the pull tab is inserted; and the opening and closing member is disposed to be slidable in the front-rear direction with respect to the main body The opening and closing member has a first blocking portion that is substantially trapezoidal in a side view, and is formed at an end portion of the opening and closing member; and a second locking portion that is substantially trapezoidal in a side view, and is formed at a front end portion of the opening and closing member; Further, the upper surface of the second lock portion is formed as a flat slope extending in a front height and a low ground.

(2) The slider for zipper according to (1), wherein the second latching portion has an upper surface, a front surface, and a rear surface, and the rear surface is formed as a planar slope extending from the front to the rear and the lower surface, and the inclination angle of the upper surface Less than the angle of inclination of the rear surface.

(3) The slider for zipper according to (1) or (2), wherein the cover member has: a top plate; a pair of right and left side panels extending downward from both side edges of the top plate; and a front panel from the front end of the top plate a rear portion extending downward from the rear end portion of the top plate; and a pair of left and right side panels having a retracting portion and a tab receiving portion on the lower end surface thereof, wherein the lower portion is formed in a concave shape; a sheet formed between the retracting portion and the tab receiving portion and extending downward; and the upper surface of the second latching portion is disposed opposite to the lower end surface of the tab, and the gap between the upper surface and the lower end surface of the tab is It gradually narrows toward the front of the subject.

According to the slider for a slide fastener of the present invention, the second latching portion of the opening and closing member The upper surface is formed as a flat slope extending from the front high and the low ground, so that the shaft portion of the pull tab is intended to enter the bottom (inside) portion of the actuating recess, so that the pull tab can be easily inserted into the movable recess of the lock member. Shaft section.

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 with respect to the paper surface of FIG. 2, the lower side refers to the lower side with respect to the paper surface of FIG. 2, and the front side refers to the left side with respect to the paper surface of FIG. The rear side refers to the right side with respect to the paper surface of FIG. 2, the right side refers to the back side with respect to the paper surface of FIG. 2, and the left side refers to the front side with respect to the paper surface of FIG. Moreover, the left and right direction of the slider is also referred to as the width 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 9 .

The slide fastener 10 of the present embodiment is capable of attaching the pull tab to the main body or the slider with the automatic stop function detached from the main body, and as shown in FIGS. 1 and 2, includes the main body 20, and the main body 20 includes The upper wing plate 21 and the lower wing plate 22 are arranged in parallel with each other in the up-and-down direction; the guide post 23 is coupled to the upper wing plate 21 and the lower wing plate 22 at the front end portion; the upper side flange 24a is along the upper wing plate The left and right side edges of the 21 are protruded downward; and the lower side flange 24b protrudes upward along the left and right side edges of the lower wing 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 wing plate 21 and the lower wing plate 22, a left and right introduction port 25 is formed to communicate with the meshing port 26. The substantially Y-shaped sprocket guide path 27 constitutes a passage through which a fastener element row (not shown) is inserted.

Further, the slide fastener 10 includes a lock member 40 that is vertically supported by a column portion 31 that is erected at an end portion of the upper surface of the upper blade 21, and a cover member 50 that covers the column portion 31 from above. And a lock member 40; a pin 11 penetrating the column portion 31, the lock member 40, and the cover member 50 to become a rotation center of the lock member 40; and an opening and closing member 60 formed at the rear end and the upper wing of the cover member 50 Between the plates 21, a gap S (hereinafter referred to as "interrupting gap S") through which the shaft portion 15a of the pull-tab 15 is inserted is opened and closed.

The column portion 31 has left and right wall portions 31a and 31b spaced apart from each other by a space at which the lock member 40 can be fitted, and the left and right wall portions 31a and 31b are formed with pin insertion holes through which the pin 11 is inserted in the width direction. 31c.

As shown in FIGS. 1 and 2, the lock member 40 has a base portion 41 having a pin insertion hole 41a through which the pin 11 is inserted, and an upper piece portion 42 and a lower piece portion 43 which extend rearward from the base portion 41, respectively. And configure the opposite direction in the up and down direction. Further, between the upper piece portion 42 and the lower piece portion 43, an operation concave portion 44 is formed which is opened toward the engagement opening 26 in the attached state, and accommodates the shaft portion 15a of the pull tab 15. Further, at the front end portion of the lower blade portion 43, a claw portion 45 that enters the sprocket guiding path 27 via the claw hole 33 formed in the upper blade 21 is formed downward. Further, the claw hole 33 penetrates from the upper surface of the upper blade 21 to the element guide path 27.

As shown in FIGS. 1 and 2, the cover member 50 has a top plate 51 that is bent upward to be convex, and a pair of left and right side panels 52 extending downward from both side edges of the top plate 51; a front panel 53, Extending downward from the front end of the top plate 51; and The rear panel 54 extends downward from the rear end portion of the top plate 51. Moreover, the relief portion 55 is formed in a concave shape toward the lower end surface of the rear portion of the pair of right and left side panels 52, and the retracting portion 55 is opposed to the main body 20. Moreover, the handle accommodating portion 56 is formed in a concave shape toward the lower end surface of the center portion of the pair of left and right side panels 52 so as to face the main body 20. Further, between the escape portion 55 and the handle accommodating portion 56, a protruding piece 57 extending downward is formed.

Further, the lock member 40 is inserted between the left and right wall portions 31a and 31b of the column portion 31, and the pin insertion hole 41a of the lock member 40 and the pin insertion holes 31c of the left and right wall portions 31a and 31b are inserted into the pin 11, Thereby, it can be pivotally supported up and down with respect to the main body 20. Further, the pin 11 is inserted into the through hole 52a formed in the pair of right and left side panels 52 of the cover member 50, and the cover member 50 is fixed to the column portion 31 via the pin 11.

Further, as shown in FIG. 2, the lock member 40 is pressed in such a manner that the claw portion 45 of the lock member 40 enters the element guide path 27 by the first coil spring 12 built in the slider 10. Specifically, between the spring supporting surface 41b formed on the lower surface of the base portion 41 of the lock member 40 and the spring holding hole 23a formed in the guide post 23, the first coil spring 12 is tightened, and the lock member 40 is fastened. When the spring supporting surface 41b receives the pressing force of the first coil spring 12, the pin 11 is pivoted as a fulcrum, and the claw portion 45 is always pressed so as to protrude from the claw hole 33 toward the sprocket guiding path 27. Further, the spring supporting surface 41b is formed in front of and below the pin insertion hole 41a of the base portion 41 of the lock member 40, and is formed to be recessed in a stepped shape above the lock member 40. Further, the spring holding hole 23a extends in the vertical direction of the slider 10, and has a bottom surface on which the first coil spring 12 is mounted.

As shown in FIG. 1 and FIG. 2, the opening and closing member 60 is formed substantially in a U shape in plan view and is substantially trapezoidal in side view, so as not to be in contact with the lock member 40 in a state of being attached to the main body 20. The first lock portion 61 is formed at an end portion of the rear opening and closing member 60; the second lock portion 62 having a substantially trapezoidal shape in a side view, which is formed at a front end portion of the opening and closing member 60; and a concave valley portion 63. The first lock portion 61 and the second lock portion 62 are formed between each other.

Further, at the lower end portions of both side faces of the opening and closing member 60, guide portions 64 are formed, respectively, which are slidably fitted to guides formed on the upper surface of the rear portion of the upper blade 21 in the front-rear direction. Slot 35. Thereby, the opening and closing member 60 is provided so as to be slidable in the front-rear direction with respect to the main body 20. Further, between the front end portion of the opening and closing member 60 and the spring holding groove 35a formed in the guide groove 35, the second coil spring 13 is tightened, and the opening and closing member 60 is biased by the second coil spring 13. The pressure is always applied to the engagement port 26 side.

Further, at the end portion of the upper surface of the upper blade 21, a pair of right and left stopper portions 36 are formed, and the pair of left and right stopper portions 36 stop the opening and closing member 60 at the gap locking position of the lock insertion gap S, and The detachment of the opening and closing member 60 from the guide groove 35 is prevented. Then, the opening and closing member 60 is slid to the gap opening position of the opening insertion gap S, and the shaft portion 15a of the tab 15 is inserted into the insertion gap S, whereby the shaft portion 15a is housed in the operation recess 44 of the lock member 40.

Further, as shown in FIG. 3, the second closing portion 62 of the opening and closing member 60 has a front surface 65, an upper surface 66, and a rear surface 67, and the upper surface 66 and the rear surface 67 are formed in a planar shape extending forward and rearward. The slope. Further, the upper surface 66 is inclined upward with respect to the lower surface of the opening and closing member 60 (the upper surface of the upper blade 21) at an angle θ1 of 15 to 30 degrees. Further, the inclination angle of the upper surface 66 The degree θ1 is set to be smaller than the inclination angle θ2 of the rear surface 67.

Further, the rear surface 67 is a surface that is inclined upward at an angle θ2 of 45 to 60 degrees with respect to the lower surface of the opening and closing member 60. Further, the front surface 65 is formed as a flat slope extending from the front lower rear height and higher, and is inclined at an angle θ3 of 45 to 70 degrees with respect to the lower surface of the opening and closing member 60. Further, the intersection of the upper surface 66 and the front surface 65 is disposed above the intersection of the upper surface 66 and the rear surface 67.

Further, the protruding piece 57 of the cover member 50 is disposed to face the opening and closing member 60 in the vertical direction, and the lower end surface 57a of the protruding piece 57 is the second blocking of the opening and closing member 60 when the opening and closing member 60 is stopped at the gap blocking position. The upper surface 66 of the portion 62 faces. Further, the lower end surface 57a of the protruding piece 57 is formed as a surface parallel to the upper surface of the upper blade 21. Moreover, since the lower end surface 57a of the protruding piece 57 is parallel to the upper surface of the upper wing plate 21, and the upper surface 66 of the second blocking portion 62 is inclined with respect to the upper surface of the upper wing plate 21, the front height is high and the front surface is low. Therefore, the gap between the upper surface 66 of the second latch portion 62 and the lower end surface 57a of the tab 57 is gradually narrowed toward the front of the body 20.

Next, a procedure for attaching the tab 15 to the slide fastener 10 will be described with reference to Figs. 4 to 8 .

First, as shown in FIG. 4, the shaft portion 15a of the pull-tab 15 is pressed into the insertion gap S from the rear to the front, whereby the opening and closing member 60 slides forward, and the shaft portion 15a of the pull-tab 15 enters the cover member 50. In the evacuation portion 55, as shown in FIG. 5, the opening and closing member 60 slides rearward, and the shaft portion 15a of the pull tab 15 enters the valley portion 63 of the opening and closing member 60.

Next, as shown in FIG. 6, the pull-in gap S is further pushed forward in the insertion gap S. The shaft portion 15a of the sheet 15 is slid forward by the opening and closing member 60, and the shaft portion 15a of the pull tab 15 is inserted into the handle accommodating portion 56 of the cover member 50 while facing the upper lift lock member 40 (refer to FIG. 7). Further, as shown in FIG. 8, the opening and closing member 60 slides rearward, and the shaft portion 15a of the pull tab 15 is inserted into the operating recess 44 of the lock member 40.

As shown in FIG. 6 and FIG. 7, in the slider 10 for a slide fastener configured as described above, the shaft portion 15a of the pull tab 15 is pushed forward from the inside of the retracting portion 55 of the cover member 50, whereby the shaft portion 15a and the shaft portion 15a are The upper surface 66 and the rear surface 67 of the second closing portion 62 of the opening and closing member 60 are in contact with each other, so that the shaft portion 15a is guided to the front and the upper side. Thereby, the shaft portion 15a of the pull tab 15 is easily inserted into the actuating recess 44 of the lock member 40.

Here, in order to easily insert the shaft portion 15a of the pull-tab 15, it is also considered that the height of the second lock portion 62 of the opening and closing member 60 is lowered. However, in this case, if the pull-tab 15 is stretched rearward, as shown in the figure As shown in FIG. 10, the shaft portion 15a is in contact with the front corner portion of the tab 57 of the cover member 50, thereby generating a bending stress for lifting the cover member 50 upward. However, in the present embodiment, since the upper surface 66 is formed as a slope on the front surface and the height of the second lock portion 62 is sufficiently ensured, as shown in FIG. 9, even if the pull tab 15 is stretched to the rear, the shaft portion 15a is also It is in contact with the front surface of the tab 57 of the cover member 50, and the bending stress of the cover member 50 is hardly generated.

As described above, according to the slide fastener 10 of the present embodiment, the upper surface 66 of the second lock portion 62 is formed as a flat slope extending from the front to the rear and low, so that the pull tab 15 is inserted when the pull tab 15 is inserted. The shaft portion 15a is guided upward by the inclined upper surface 66, and the shaft portion 15a automatically lifts the lock member The upper portion 42 of the 40 is formed to pass between the upper surface 66 and the upper portion 42 and to enter the bottom portion of the actuating recess 44. Thereby, the shaft portion 15a of the pull tab 15 can be easily inserted into the operating recess 44 of the lock member 40.

(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. 11 and 12 . The same or equivalent parts as those in the above-described first embodiment are denoted by the same reference numerals, and their description is omitted or simplified.

In the present embodiment, the upper surface 66 of the second closing portion 162 of the opening and closing member 160 of the slide fastener 110 shown in Figs. 11 and 12 is formed in a flat shape extending from the front to the rear and low in the same manner as in the first embodiment. The slope. Further, the front surface 65 and the rear surface 67 of the second lock portion 162 are also the same as those of the first embodiment.

The zipper slider 110 is configured to mount the handle to the main body or the slider with the automatic stop function detached from the main body, and as shown in FIGS. 11 and 12, includes the main body 120, and the main body 120 includes: an upper wing 121 and the lower blade 122 are arranged side by side in the up-and-down direction; the guide post 123 is connected to the upper blade 121 and the lower blade 122 at the front end; and the upper flange 124a is along the left and right flanges 121 The lower side flanges protrude downward; the lower side flanges 124b project upward along the left and right side edges of the lower wing 122. Thereby, the left and right introduction ports 125 separated by the guide post 123 are formed in the front portion of the main body 120, and the engagement opening 126 is formed in the rear portion of the main body 120. Further, between the upper blade 121 and the lower blade 122, a substantially Y-shaped sprocket guiding path 127 that connects the left and right introduction ports 125 and the engagement opening 126 is formed, and the sprocket guides The path 127 constitutes a passage through which a pair of left and right fastener element rows (not shown) are inserted.

Further, the slide fastener 110 includes a lock member 140 that is swingably supported by a column portion 131 that is erected at an end portion of the upper surface of the upper blade 121, and a cover member 150 that is attached to the upper blade 121. The front end portion of the upper surface covers the column portion 131 and the lock member 140 from above; and the opening and closing member 160 is formed between the rear end portion of the cover member 150 and the upper wing plate 121, and the shaft portion 15a of the pull tab 15 is opened and closed. The gap S (hereinafter referred to as "insertion gap S").

The column portion 131 has left and right wall portions 131a and 131b which are spaced apart from each other so as to be spaced apart from each other by the lock member 140; and a support convex portion 132 which is formed between the left and right wall portions 131a and 131b.

As shown in FIG. 11 and FIG. 12, the lock member 140 has a base portion 141 supported by the column portion 131 of the main body 120, and an upper piece portion 142 and a lower piece portion 143 extending rearward from the base portion 141, respectively. Align in the up and down direction. Further, between the upper piece portion 142 and the lower piece portion 143, an operation concave portion 144 is formed. The operation concave portion 144 is opened toward the engagement opening 126 in the attached state, and accommodates the shaft portion 15a of the pull tab 15. Further, at the front end portion of the lower piece portion 143, a claw portion 145 that enters the element guide path 127 via the claw hole 133 formed in the upper blade 121 is formed downward. Further, on the lower surface of the base portion 141, a support concave portion 141a that is rotatably supported by the support convex portion 132 of the column portion 131 is formed. Further, the claw hole 133 passes through the element guide path 127 from the upper surface of the upper blade 121.

As shown in FIGS. 11 and 12, the cover member 150 has a top plate 151 which is bent upward to be convex; and a pair of left and right side panels 152 which are on both sides of the top plate 151. The rim extends downward; the front panel 153 extends downward from the front end of the top panel 151; and the rear panel 154 extends downward from the rear end of the top panel 151. Further, the retracting portion 155 is formed to have a concave shape downward with respect to the main body 120 at the lower end surface of the rear portion of the pair of left and right side panels 152. Further, the pull-tab accommodating portion 156 is formed in a concave shape downward with respect to the main body 120 at the lower end surface of the central portion of the pair of left and right side panels 152. Further, between the escape portion 155 and the handle accommodating portion 156, a protruding piece 157 extending downward is formed.

Further, fitting pieces 158 fitted to the fitting grooves 134 formed at the front end portions of the upper blade 121 are formed on the lower end portions of the front end side of the pair of right and left side panels 152, respectively. Further, the fitting piece 158 is fitted into the fitting groove 134, and the pair of right and left side panels 152 are pressed against the concave portion 131c formed on the outer side surfaces of the left and right wall portions 131a and 131b of the column portion 131. In the cover member 150, the front end portion is fixed to the front end portion of the upper blade 121, and is mounted in a cantilever shape in the front-rear direction with respect to the main body 120. Further, the fitting grooves 134 are formed on the right and left sides of the column portion 131, and extend in the front-rear direction of the main body 120. Further, the fitting piece 158 protrudes laterally from the lower end of the pair of right and left side panels 152 of the cover member 150.

Further, between the lock member 140 and the cover member 150, a rectangular leaf spring 170 that presses the claw portion 145 of the lock member 140 into the element guide path 127 is provided. A locking recess 171 is formed in the front end portion of the leaf spring 170, and the front and rear locking recesses 171 are respectively locked to the locking convex portions 151a formed before the top plate 151 of the cover member 150. A leaf spring 170 is mounted in the cover member 150. Further, the locking convex portion 151a is disposed inside the cover member 150 (the top plate 151, the pair of left and right side panels 152, The front panel 153 and the space surrounded by the rear panel 154).

As shown in FIG. 11 and FIG. 12, the opening and closing member 160 is substantially U-shaped in plan view and is substantially trapezoidal in side view, so as not to be in contact with the lock member 140 in a state of being attached to the main body 120. The first latching portion 161 is formed at an end portion of the opening and closing member 160; the second latching portion 162 having a substantially trapezoidal shape when viewed from the side, which is formed at a front end portion of the opening and closing member 160; and a concave valley portion 163 which is formed. The first blocking portion 161 and the second locking portion 162 are disposed between each other.

Further, at the lower end portions of both side surfaces of the opening and closing member 160, guide portions 164 are formed, respectively, which are slidably fitted to the upper surface of the upper surface of the upper blade 121 in the front-rear direction. Slot 135. Thereby, the opening and closing member 160 is provided so as to be slidable in the front-rear direction with respect to the main body 120. Further, between the front end portion of the opening and closing member 160 and the spring holding groove 135a formed in the guide groove 135, a coil spring 112 is tightly provided, and the opening and closing member 160 is always meshed by the pressing force of the coil spring 112. The side of the mouth 126 is pressed.

Further, at the end portion of the upper surface of the upper blade 121, a pair of left and right stopper portions 136 are formed, and the pair of left and right stopper portions 136 stop the opening and closing member 160 at the gap locking position of the lock insertion gap S, and The detachment of the opening and closing member 160 from the guide groove 135 is prevented. Then, the opening and closing member 160 is slid to the gap opening position of the opening insertion gap S, and the shaft portion 15a of the tab 15 is inserted into the insertion gap S, whereby the shaft portion 15a is housed in the operating recess 144 of the lock member 140.

Further, the protruding piece 157 of the cover member 150 is disposed to face the opening and closing member 160 in the up-and-down direction, and the lower end surface 157a of the protruding piece 157 is attached to the opening and closing member 160. When it stops at the gap lock position, it faces the upper surface 66 of the second lock portion 162 of the opening and closing member 160. Further, the lower end surface 157a of the tab 157 is formed as a surface parallel to the upper surface of the upper blade 121. Moreover, since the lower end surface 157a of the protruding piece 157 is parallel to the upper surface of the upper wing plate 121, and the upper surface 66 of the second locking portion 162 is inclined with respect to the upper surface of the upper wing plate 121, the front height is high and the front surface is low. Therefore, the gap between the upper surface 66 of the second latch portion 162 and the lower end surface 157a of the tab 157 is gradually narrowed toward the front of the body 120.

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

It is to be noted that the present invention is not limited to the above-described embodiments, and may be appropriately modified without departing from the spirit and scope of the invention.

10‧‧‧Zipper slider

11‧‧ ‧ sales

12‧‧‧1st coil spring

13‧‧‧2nd coil spring

15‧‧‧ Pulling

15a‧‧‧Axis

20‧‧‧ Subject

21‧‧‧Upper wing

22‧‧‧lower wing

23‧‧‧Guide column

23a‧‧‧Spring retaining hole

24a‧‧‧Upper flange

24b‧‧‧Bottom flange

25‧‧‧Import

26‧‧‧Meshing mouth

27‧‧‧Chain guiding path

31‧‧‧ Column

31a‧‧‧ wall

31b‧‧‧ wall

31c‧‧‧ pin through hole

33‧‧‧ claw holes

35‧‧‧ guiding slot

35a‧‧ ‧ spring retention slot

36‧‧‧A pair of stops

40‧‧‧Lock components

41‧‧‧ base

41a‧‧‧ Pin through hole

41b‧‧‧Spring bearing surface

42‧‧‧Top Department

43‧‧‧Next Department

44‧‧‧ actuation recess

45‧‧‧ claws

50‧‧‧ Cover member

51‧‧‧ top board

52‧‧‧ side panel

52a‧‧‧through hole

53‧‧‧ front panel

54‧‧‧Back panel

55‧‧‧Retreating Department

56‧‧‧ Pull-tab housing

57‧‧‧1

57a‧‧‧ lower end

60‧‧‧Opening and closing members

61‧‧‧1st Locking Department

62‧‧‧2nd Locking Department

63‧‧‧谷部

64‧‧‧Guide

65‧‧‧ front surface

66‧‧‧Upper surface

67‧‧‧Back surface

110‧‧‧Zipper slider

112‧‧‧Helical spring

120‧‧‧ Subject

121‧‧‧Upper wing

122‧‧‧lower wing

123‧‧‧Guiding column

124a‧‧‧Upper flange

124b‧‧‧Bottom flange

125‧‧‧Import

126‧‧‧Meshing mouth

127‧‧‧ sprocket guiding path

131‧‧‧ pillar

131a‧‧‧ wall

131b‧‧‧ wall

131c‧‧‧ recess

132‧‧‧Support convex

133‧‧‧ claw hole

135‧‧‧ guiding slot

135a‧‧ ‧ spring retention slot

136‧‧‧A pair of stops

140‧‧‧Lock components

141‧‧‧ base

141a‧‧‧Support recess

142‧‧‧The film department

143‧‧‧Next Department

144‧‧‧ actuation recess

145‧‧‧ claws

150‧‧‧ Cover member

151‧‧‧ top board

151a‧‧‧Snap convex

152‧‧‧ side panel

153‧‧‧ front panel

154‧‧‧ rear panel

155‧‧‧Retreating Department

156‧‧‧ Pull-tab housing

157‧‧‧1

157a‧‧‧ lower end

158‧‧‧Finished piece

160‧‧‧Opening and closing members

161‧‧‧1st Locking Department

162‧‧‧2nd Locking Department

163‧‧‧谷部

164‧‧‧ Guidance Department

170‧‧ ‧ leaf spring

171‧‧‧Card recess

S‧‧‧ insertion gap

Θ1‧‧‧ tilt angle of the upper surface

Tilt angle of the rear surface of θ2‧‧

Angle of inclination of the front surface of θ3‧‧‧

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

Fig. 2 is a longitudinal sectional view showing a state in which a tab of the slide fastener for slide fastener shown in Fig. 1 is not attached.

Fig. 3 is an enlarged cross-sectional view showing the opening and closing member shown in Fig. 2.

Fig. 4 is a longitudinal cross-sectional view showing the slider in a state in which the shaft portion of the pull tab is press-fitted into the insertion gap.

Fig. 5 is a longitudinal cross-sectional view showing the slider in a state in which the shaft portion of the pull tab enters the valley portion of the opening and closing member.

Fig. 6 is a longitudinal cross-sectional view showing the slider in a state in which the shaft portion of the pull tab is further pressed into the insertion gap.

Fig. 7 is a longitudinal sectional view showing the slider in a state in which the shaft portion of the pull tab enters the tab receiving portion of the cover member.

Figure 8 is a view of the state in which the shaft portion of the pull tab is received in the movable recess of the lock member. A longitudinal section of the slider of the line description.

FIG. 9 is an enlarged longitudinal cross-sectional view for explaining a state of a shaft portion of the pull-tab when the pull-tab is pulled rearward in the slide fastener for a slide fastener according to the first embodiment.

FIG. 10 is an enlarged longitudinal cross-sectional view for explaining a state of a shaft portion of the pull-tab when the pull-tab is pulled rearward when the height of the second lock portion of the opening and closing member is lowered.

Fig. 11 is an exploded perspective view showing a second embodiment of the slider for slide fastener of the present invention.

Fig. 12 is a longitudinal sectional view showing a state in which a slider for a slide fastener shown in Fig. 11 is not attached.

10‧‧‧Zipper slider

11‧‧ ‧ sales

12‧‧‧1st coil spring

15‧‧‧ Pulling

15a‧‧‧Axis

20‧‧‧ Subject

21‧‧‧Upper wing

22‧‧‧lower wing

23‧‧‧Guide column

23a‧‧‧Spring retaining hole

24a‧‧‧Upper flange

24b‧‧‧Bottom flange

26‧‧‧Meshing mouth

27‧‧‧Chain guiding path

31‧‧‧ Column

33‧‧‧ claw holes

35‧‧‧ guiding slot

40‧‧‧Lock components

41‧‧‧ base

41a‧‧‧ Pin through hole

41b‧‧‧Spring bearing surface

42‧‧‧Top Department

43‧‧‧Next Department

44‧‧‧ actuation recess

45‧‧‧ claws

50‧‧‧ Cover member

51‧‧‧ top board

52‧‧‧ side panel

53‧‧‧ front panel

54‧‧‧Back panel

55‧‧‧Retreating Department

56‧‧‧ Pull-tab housing

57‧‧‧1

57a‧‧‧ lower end

60‧‧‧Opening and closing members

61‧‧‧1st Locking Department

62‧‧‧2nd Locking Department

63‧‧‧谷部

65‧‧‧ front surface

66‧‧‧Upper surface

67‧‧‧Back surface

S‧‧‧ insertion gap

Claims (3)

A slider for a zipper, characterized in that it comprises: a main body (20, 120); and a lock member (40, 140) rotatably supported by a column portion (31) standing at an end portion of the upper surface of the main body. And a cover member (50, 150) covering the column portion and the lock member from above; and an opening and closing member (60, 160) formed between the rear end portion of the cover member and the main body, And opening and closing a gap (S) through which the shaft portion (15a) of the pull-tab (15) is inserted; the opening and closing member is provided as a slide fastener (10, 110) slidable in the front-rear direction with respect to the main body The opening and closing member includes: a first closing portion (61, 161) formed at a rear end portion of the opening and closing member and having a substantially trapezoidal shape in a side view; and a second locking portion (62, 162) formed on the second locking portion (62, 162) The front end portion of the opening and closing member has a substantially trapezoidal shape when viewed from the side, and the upper surface (66) of the second blocking portion is formed as a flat inclined surface that extends forward and then low. The slide fastener for claim 1, wherein the second latching portion (62, 162) includes the upper surface (66), the front surface (65), and the rear surface (67), and the rear surface is formed as a front height The plane-like slope extending in the low ground, the inclination angle (θ1) of the upper surface is smaller than the inclination angle (θ2) of the rear surface. A sliding member for a zipper according to claim 1 or 2, wherein said cover member (50, 150) comprising: a top plate (51, 151); a pair of left and right side panels (52, 152) extending downward from both side edges of the top plate; a front panel (53, 153) from the front end of the top plate And a rear panel (54, 154) extending downward from an end portion of the top plate; the pair of left and right side panels are provided on the lower end surface thereof: a retracting portion (55, 155) and a tab receiving portion (56) And 156), the lower portion is formed in a concave shape; the protruding piece (57, 157) is formed between the relief portion and the handle receiving portion, and extends downward; the second blocking portion (62, 162) The upper surface (66) is disposed opposite to the lower end surface (57a, 157a) of the tab, and the gap between the upper surface and the lower end surface of the tab is toward the front of the main body (20, 120). And gradually narrowed.