CN102548447A - Slider for slide fastener - Google Patents

Abstract

(The invention provides a slider for slide fastener.) The slider (10) comprising a slider body (20), a pull tab holding body (30) fixed in a cantilever manner to an upper wing plate (21) of the slider body (20), a slide member (40) slidably provided to the slider body (20), an elastic member (5) for pressing the slide member (40), and a pull tab (6) held by the pull tab holding body (30), wherein the pull tab (6) is adapted to be mountable and removable from the pull tab holding body (30). The pull tab holding body (30) has a projection (34) or a recess formed thereon on the free end section (33) side thereof. The slide member (40) has a body section (41) slidable relative to the slider body (20), a closing section (42) raised from the body section (41), and a recess (45) or a projection formed on the upper surface of the closing section (42). The configuration causes the gap (13) formed between the free end section (33) of the pull tab holding body (30) and the slide member (40) to have a shape which is bent in a zigzag pattern in the height direction of the slider, and this makes thin cloth unlikely to enter the gap (13).

Description

Slider for slide fastener

Technical field

The present invention relates to and to draw the slider for slide fastener of climbing with respect to the mounting or dismounting of pull head main body.

Background technology

As the pull head that in slide fastener, uses, known in the past have and can climb, can also climb the structure of pulling down with being installed in drawing on the pull head main body afterwards with respect to installing after the pull head main body to draw.Such pull head; Be installed on the pull head main body and can be easily make friends with people of a higher social position and change drawing of other types into and climb owing to for example can different various types of of color and form drawn to climb being installed in drawing on the pull head main body according to user's requirement and hobby etc.; So, be fit to be applied to be installed on the slide fastener of for example clothing product and bag etc.

The example that draws the slider for slide fastener of climbing of can installing and removing is so for example disclosed by japanese kokai publication hei 2-131704 communique (patent documentation 1).Here, the pull head about patent documentation 1 record describes with reference to Figure 22～Figure 24.

The pull head of this patent documentation 1 record slides through the chain denture on the relative ora terminalis of the zipper teeth chain that is installed in pair of right and left, and the chain denture about can making is engaged with each other or separates.Here, with pull head be used to make the engagement of chain denture and the direction that moves with respect to the chain denture as the place ahead, will be used to make the chain denture separate and the direction that moves as the rear.

Like Figure 22 and shown in Figure 23, the pull head 310 of patent documentation 1 has pull head main body 320 and climbs 360 with drawing.Pull head main body 320 constitutes, and the leading section of upper flange 321 and lower wing plate 322 links through guide post 323 each other.In addition, extend towards relative lower wing plate 322 and upper flange 321 at the left and right sides lateral margin of upper flange 321 and lower wing plate 322 and be provided with flange 324.

At the upper surface of upper flange 321, be fixed with to draw cantilever-shapedly and climb maintenance body 330.This draws to climb and keeps body 330 to have: the anchor portion 331 that erects from the leading section of upper flange 321; From these anchor portion 331 extensions crooked and that rearward extend portion 332 is set; Portion 332 is set to the bent free end 333 of upper flange 321 lateral bendings from this extension; Drawing between the end face 333a and upper flange 321 that climbs free end 333 sides that keep body 330, be formed with to make to draw and climb the interspersed gap 311 that 360 installation axial region 360a runs through the regulation of insertion.

In addition; Be formed with sliding guidance groove 325 in the upper surface side of upper flange 321 towards the place ahead from the rear end of upper flange 321, in this sliding guidance groove 325, contain: the slide unit 340 that can dispose slidably along sliding guidance groove 325 with the mode that opens and closes said interspersed gap 311; The elastomeric element 350 that slide unit 340 is rearward suppressed.

Under this situation; In order to prevent that slide unit 340 from coming off and erect the fastening portion 326 that is provided with the rearward end that is configured in upper flange 321 from sliding guidance groove 325, this fastening portion 326 is being inserted into slide unit 340 in the sliding guidance groove 325 back by caulking and become state side-prominent in sliding guidance groove 325.

In addition, slide unit 340 has: be configured in the main part 341 in the sliding guidance groove 325; From the main part 341 outstanding lock portion 342 that are provided with, when this slide unit 340 moves to the sliding end that suppresses the direction side, can make interspersed gap 311 lockings (or narrowing down) through lock portion 342.Therefore, climb the extension that keeps body 330 and be provided with to have accommodated in the receiving space 312 between portion 332 and the upper flange 321 and draw when climbing 360 installation axial region 360a being formed to draw, can stop this installation axial region 360a to come off via interspersed gap 311.

In the pull head 310 of such patent documentation 1; Install in assembling pull head main body 320 backs and to draw under 360 the situation of climbing; Shown in figure 24; Make to draw and climb 360 installation axial region 360a and be crimped on from the rear on the lock portion 342 of slide unit 340, slide unit 340 is forwards slided the elastic force pressure of opposing elastomeric element 350.Thus, draw and climb the free end 333 that keeps body 330 and interspersed gap 311 openings between the upper flange 321, and, 360 installation axial region 360a and lock portion 342 crimping climbed Yi Bian make to draw, Yi Bian make it pass through the interspersed gap 311 of opening.

Then; Climb 360 installation axial region 360a and mention and remove the interference of the lock portion 342 that axial region 360a and slide unit 340 are installed drawing to the top; Thus; Thereby slide unit 340 is suppressed by elastomeric element 350 and moves to the sliding end that suppresses the direction side, so, intert gap 311 by lock portion 342 lockings of this slide unit 340.Thus, draw and climb 360 installation axial region 360a and be housed in the receiving space 312, draw and climb 360 and become the state that keeps on the body 330 of climbing that draws that is maintained at.

On the other hand, in the real fair 4-32974 communique of Japan (patent documentation 2), also disclose and a kind ofly can draw the slider for slide fastener of climbing mounting or dismounting.The pull head of these patent documentation 2 records has auto-stop mechanism, and when not carrying out the opening and closing operations of slide fastener, this auto-stop mechanism stops the slip of pull head through stopping corpus unguis with respect to the slide fastener coupling element row automatically.

Here, on one side with reference to the pull head of Figure 25 and Figure 26 simple declaration on one side patent documentation 2, this pull head 410 has pull head main body 420 and climbs 460 with drawing, on pull head main body 420 through being fixed with to draw to climb and keeping body 430 to stopping a pin 471 that corpus unguis 470 carries out the axle supporting.In addition, stop corpus unguis 470 and suppressed, stop claw set on the corpus unguis 470 473 and be projected in lower wing plate 421, the chain tooth path of navigation 426 between 422 through remaining on the spring 472 in the pull head main body 420.

Drawing to climb keeps body 430 to have: the anchor portion 431 that erects from the leading section of upper flange 421; From these anchor portion 431 extensions crooked and that rearward extend portion 432 is set; Portion 432 is set to the bent free end 433 of upper flange 421 lateral bendings from this extension, climbs the interspersed gap that 460 installation axial region 460a runs through the regulation of insertion drawing to be formed with between the end face of climbing free end 433 sides that keep body 430 and the upper flange 421 can make to draw.

In addition, climb the extension that keeps body 430 and be provided with on the following ora terminalis of upper flange 421 sides of portion 432 and be formed with drawing: keep out of the way the space with recess 435, be used to form and keep out of the way the space and make to draw and climb 460 installation axial region 460a and keep out of the way; Receiving space is with recess 436, is used to form receiving space and climbs 460 installation axial region 460a to accommodate to draw; Continuous edge portion 437 is clamped in two recesses 435, between 436.

In the upper surface side of upper flange 421, be formed with sliding guidance groove 425 towards the place ahead from the rear end of upper flange 421, in this sliding guidance groove 425, contain: the slide unit 440 that can dispose slidably along this sliding guidance groove 425; The elastomeric element (helical spring) 450 that slide unit 440 is rearward suppressed.

On slide unit 440, be provided with first lock portion 441 and second lock portion 442; The interspersed gap of locking when this first lock portion 441 is in the state that moves to the sliding end that suppresses the direction side at this slide unit 440; 442 pairs of this second lock portion are drawn and are climbed the continuous edge portion 437 that keeps body 430 and locking is carried out in the gap between the upper flange 421; Between first lock portion 441 and second lock portion 442, be formed with to accommodate and draw the groove 443 of climbing 460 installation axial region 460a.

In the pull head 410 of such patent documentation 2; Install and draw under 460 the situation of climbing assembling pull head main body 420 back; Climb 460 installation axial region 460a and be crimped on first lock portion 441 of slide unit 440 drawing, and the elastic force pressure of opposing elastomeric element 450 forwards slides slide unit 440 from the rear.Thus, draw and climb the free end 433 that keeps body 430 and the interspersed clearance opening between the upper flange 421, and, climb 460 installation axial region 460a and be crimped on first lock portion 441 on one side make to draw, pass through opening on one side interspersed gap.Next, make to draw and climb 460 installation axial region 460a and mention and move to the top and keep out of the way space (keeping out of the way the space) with recess 435.Thus, slide unit 440 is suppressed by elastomeric element 450 and moves to the sliding end that suppresses the direction side, therefore, and through the interspersed gap of first lock portion, 441 lockings of this slide unit 440.

Then; Make to draw and climb 460 installation axial region 460a and move downwards and be housed in the groove 443 of slide unit 440; And, make second lock portion, 442 crimping of this installation axial region 460a and slide unit 440, and the elastic force pressure of opposing elastomeric element 450 forwards slides slide unit 440.Thus, make to draw and climb the continuous edge portion 437 that keeps body 430 and the clearance opening between the upper flange 421, make to draw and climb 460 installation axial region 460a through this gap.

Then, climb 460 installation axial region 460a and mention and in the groove 443 of slide unit 440, move drawing to receiving space (receiving space is with recess 436) to the top.Thus, slide unit 440 is suppressed by elastomeric element 450 and moves to the sliding end that suppresses the direction side, climbs 460 and is drawn the state that keeps body 430 to keep of climbing thereby become to draw.

Like this, according to the pull head 410 of patent documentation 2, stop corpus unguis 470 even on pull head main body 420, dispose; Also can stably draw and climb 460 installation; In addition, as required, also can climb 460 and keep body 430 to pull down and easily change drawing from drawing to climb.

Patent documentation 1: japanese kokai publication hei 2-131704 communique

Patent documentation 2: the real fair 4-32974 communique of Japan

In the pull head 310,410 of aforesaid patent documentation 1 and patent documentation 2 records; The slide unit 340,440 that can be configured in slidably on the pull head main body 320,420 is being suppressed by elastomeric element 350,450 and is being positioned under the situation of the sliding end that suppresses the direction side, is formed on to draw to climb lock portion 342,441 lockings by slide unit 340,440 of the free end 333,433 that keeps body 330,430 and upper flange 321, the interspersed gap 311 between 421.

Under this situation; Common in the lock portion 342 of end face 333a that draws free end 333,433 sides of climbing maintenance body 330,430 and slide unit 340,440, between 441, be provided with the gap and make slide unit 340,440 not contact with drawing the free end 333,433 of climbing maintenance body 330,430.Its reason is; The lock portion of drawing the end face of climbing the free end side that keeps body and slide unit is contacted with each other and constituting under the situation of pull head; Because the problems such as dimensional accuracy of the constituent part of pull head, exist slide unit to be hooked on to draw to climb to keep on the body and possibility that can't be movable and the possibility that has the sliding reduction of slide unit.

Therefore; In the pull head 310,410 of reality; In order slide unit 340,440 to be slided swimmingly and stably to install to draw and climb 360,460, in the lock portion 342 of drawing the end face 333a that climbs free end 333,433 sides that keep body 330,430 and slide unit 340,440, be provided with gap to a certain degree between 441.

But; Climbing the end face 333a and the slide unit 340 that keep body 330,430 in drawing like this, be provided with between 440 under the situation in gap; Draw when climbing 360,460 and pull head 310,410 is installed in to go forward side by side on the product such as bag and exercises the time spent etc. when on pull head 310,410, installing; Exist problem that thin foreign matters such as cloth enter into this gap easily (specifically; For example be installed under the situation about wrapping, exist the cuff etc. of clothes to enter into drawing of this pull head and climb the end face that keeps body and the situation in the gap between the slide unit) at pull head.

In addition; Like the pull head 310 of patent documentation 1 and patent documentation 2,410; When disposing slidably on the upper flange 321,421 under the situation of slide unit 340,440; There is following problem; That is: when for example thicker cloth etc. collides the rear of slide unit 340,440, pushing slide units such as this cloth 340,440 and slide unit 340,440 is forwards slided cause climbing the free end 333,433 that keeps body 330,430 and slide unit 340, the cloth etc. of nipping between 440 drawing.

And; As stated; When drawing under the situation that has got into cloth etc. in the end face 333a that climbs free end 333,433 sides that keep body 330,430 and slide unit 340, the gap between 440 and drawing climb the free end 333,433 and the slide unit 340 that keep body 330,430, under the situation of the cloth of having nipped between 440 etc.; Climb 360,460 installation and when changing drawing; Clothes etc. become obstacle, in addition, also have this unfavorable condition of operation of obstruction pull heads 310,410 such as cloth.And, having under the situation based on the auto-stop mechanism that stops corpus unguis at pull head, the quilts such as cloth that enter into said gap are nipped and are stopped corpus unguis, exist the function that stops corpus unguis receiving and hinder this unfavorable condition.

Summary of the invention

The present invention is in view of above-mentioned problem and the invention made in the past; Its specific purposes are to provide a kind of slider for slide fastener; Can prevent that foreign matter such as cloth from getting into or being bitten into to draw to climb keeps between body and the slide unit; Thereby can draw the installation and the replacing of climbing swimmingly, in addition, can guarantee the excellent operability of pull head.

To achieve these goals, slider for slide fastener provided by the invention as basic structure, comprising: the pull head main body has last lower wing plate; Draw and climb the maintenance body, with cantilever-shaped be fixed on the said upper flange and anchor portion from said upper flange erect, the said upper flange of free end side direction is crooked; Slide unit is can be configured on the said pull head main body being formed on said said free end of climbing the maintenance body and the mode that the gap between the said upper flange opens and closes of drawing slidably; Elastomeric element suppresses said slide unit to the locking direction in said gap; Draw and climb, remain on said drawing and climb on the maintenance body, said slide unit has: main part can be slidably mounted on the said pull head main body; Lock portion; Erect be located on the said main part and said main part move to said elastomeric element suppress the sliding end of direction side the time with the locking of said gap; Said slider for slide fastener constitutes; Via said gap can with said draw climb with respect to said draw to climb keep body to install and remove; Its topmost being characterised in that; Said draw to climb keep body to have: be formed on protuberance or recess on the end face of said free end side, said slide unit said lock portion with said draw to climb keep having on the relative opposite face of body: saidly draw the recess of climbing mode that the said protuberance that keeps body inserts and forming, or climb the protuberance that the mode in the said recess that keeps body forms can supplying can be inserted into said drawing.

In slider for slide fastener of the present invention, preferably, when said protuberance is inserted in the said recess, be provided with the gap between said protuberance and the said recess and in pull head width scope, said gap bends to zigzag along the pull head short transverse.

In slider for slide fastener of the present invention; Preferably; Said slide unit has: auxiliary lock portion; Erect be located at compare with the said lock portion of said main part by suppressing the direction side, when the elastic force pressure that makes said slide unit resist said elastomeric element slides, can or make said gap turn narrow with the locking of said gap; Accommodate slot part, be configured between said lock portion and the said auxiliary lock portion, and can accommodate the said installation axial region of climbing that draws.

Under this situation, more preferably, said auxiliary lock portion is set to such an extent that be lower than the projecting height of said lock portion from said upper flange from the projecting height of said upper flange.

In addition, in slider for slide fastener of the present invention, preferably, said drawing climbed the said free end that keeps body and compared with the position of the said lock portion of the said slide unit that moves to the said sliding end that suppresses the direction side to suppressing the direction side and extend and be provided with.

Have, according to the present invention, a kind of slider for slide fastener is provided, comprising: the pull head main body has last lower wing plate; Draw and climb the maintenance body, with cantilever-shaped be fixed on the said upper flange and anchor portion from said upper flange erect, the said upper flange of free end side direction is crooked; Slide unit is can be configured on the said pull head main body being formed on said said free end of climbing the maintenance body and the mode that the gap between the said upper flange opens and closes of drawing slidably; Elastomeric element suppresses said slide unit to the locking direction in said gap; Draw and climb, remain on said drawing and climb on the maintenance body, said slide unit has: main part can be slidably mounted on the said pull head main body; Lock portion; Erect be located on the said main part and said main part move to said elastomeric element suppress the sliding end of direction side the time with the locking of said gap; Said slider for slide fastener constitutes; Via said gap can with said draw climb with respect to said draw to climb keep body to install and remove, its topmost being characterised in that, said slide unit has: auxiliary lock portion; Erect be located at compare with the said lock portion of said main part by suppress the direction side, when the elastic force pressure that makes said slide unit resist said elastomeric element slides, can or make said gap turn narrow with the locking of said gap; Accommodate slot part, be configured between said lock portion and the said auxiliary lock portion, can accommodate the said installation axial region of climbing that draws.

The effect of invention

Slider for slide fastener of the present invention has: climb the maintenance body with drawing on the cantilever-shaped upper flange that is fixed on the pull head main body; To draw free end of climbing the maintenance body and the mode that the interspersed gap between the upper flange opens and closes to be configured in the slide unit on the pull head main body slidably to being formed on.In addition, draw to climb and keep body to have protuberance or recess on the end face that is formed on its free end side.

Slide unit has: the main part that can be inlaid in slidably on the pull head main body and suppressed by elastomeric element; Erect the lock portion that is located on the main part, keep being formed with on the relative opposite face of body with drawing to climb: can supply to draw and climb the said protuberance that keeps body and insert recess that ground forms or climb the protuberance that the mode in the said recess that keeps body forms can be inserted into to draw in lock portion.

Pull head of the present invention like this constitutes; Be formed on recess or protuberance configuration accordingly each other on the opposite face of the protuberance or the recess that draw on the end face of climbing the free end side that keeps body and the lock portion that is formed on slide unit, between the lock portion upper surface of end face that draws the free end side of climbing the maintenance body and slide unit, be provided with the gap.Therefore, when slide unit is slided with respect to upper flange, this slide unit is not slided contiguously swimmingly with drawing the free end of climbing the maintenance body, so, the installation and the dismounting of climbing can stably be drawn.

And; On the opposite face of the lock portion of drawing the end face of climbing the free end side that keeps body and slide unit; Each protuberance or recess be configuration accordingly each other, thus, and when protuberance is inserted in the recess; The gap (being formed on the gap between protuberance and the recess) that is formed between the lock portion upper surface that draws the end face of climbing the free end side that keeps body and slide unit bends to zigzag along the pull head short transverse, and in pull head width scope, forms.

Because above-mentioned like this gap forms zigzag; Can make thin foreign matters such as cloth be difficult to enter into this gap; So, when drawing the installation of climbing and changing, the unfavorable condition that the operation that can prevent to produce cloth etc. and become unfavorable condition and the pull head of obstruction is influenced by cloth etc.

In addition, the slide unit of this pull head has: auxiliary lock portion, erect be located at leaning on of comparing with the lock portion of main part suppress the direction side, can be when making the elastic force pressure slip of slide unit opposing elastomeric element with interting gap locking or make interspersed gap turn narrow; Accommodate slot part, be configured between lock portion and the auxiliary lock portion, can accommodate and draw the installation axial region of climbing.Thus, through slide unit being slided, can draw the installation and the dismounting of climbing swimmingly will drawing the installation axial region of climbing to be housed in accommodating of slide unit.

And; Owing to be provided with auxiliary lock portion by suppressing edge-on of direction what compare with the lock portion of main part, so, even the rear side and the slide unit that collide slide unit at foreign matters such as for example thicker clothes are by this foreign matter pushing and under the situation of slip; Owing to will intert gap locking or make interspersed gap turn narrow through auxiliary lock portion; So, can prevent that foreign matter from getting into, can prevent that foreign matter from being drawn by nipping between the free end and slide unit of climbing the maintenance body.The operation that therefore, can prevent when drawing the installation of climbing and changing, to take place cloth etc. more reliably and become unfavorable condition and the pull head of obstruction receives the unfavorable condition of influences such as cloth.

Under this situation, set to such an extent that be lower than lock portion from the projecting height of upper flange low from the projecting height of upper flange auxiliary lock portion.Thus, climb when being installed on the pull head main body will drawing, can be with the slot part of accommodating of the slide unit that draws the installation axial region of climbing easily to guide and be housed in to be arranged in the sliding end that suppresses the direction side, so, can draw the installation exercise of climbing more swimmingly.

And, in pull head of the present invention, draw the free end of climbing the maintenance body to compare with the position of the lock portion of the slide unit that moves to the sliding end that suppresses the direction side and extend setting to suppressing the direction side.Thus, can climb the free end that keeps body and the interspersed gap between the upper flange with drawing the installation axial region of climbing easily to be directed to draw, so, draw the installation exercise of climbing to become more smooth and easy.

On the other hand, other slider for slide fastener of the present invention has: climb the maintenance body with drawing on the cantilever-shaped upper flange that is fixed on the pull head main body; To draw free end of climbing the maintenance body and the mode that the interspersed gap between the upper flange opens and closes to be configured in the slide unit on the pull head main body slidably to being formed on.

In addition, slide unit has: main part can be inlaid in slidably on the pull head main body and by elastomeric element and suppress; Lock portion erects and is located on the main part, when main part moves to the sliding end that suppresses the direction side, will interts the gap locking; Auxiliary lock portion; Erect be located at compare with the said lock portion of main part by suppressing the direction side, the elastic force pressure that makes slide unit opposing elastomeric element slide into said can be when suppressing the sliding end of side in the opposite direction with interting gap locking or make interspersed gap turn narrow; Accommodate slot part, be configured between lock portion and the auxiliary lock portion, can accommodate and draw the installation axial region of climbing.

Thus, drawing the installation axial region of climbing to accommodate accommodating under the state in the slot part of slide unit, can draw the installation and the dismounting of climbing swimmingly through slide unit is slided.And, owing to be provided with auxiliary lock portion by suppressing edge-on of direction what compare with the lock portion of main part, so; Even collide the rear side of slide unit at for example thicker foreign matters such as cloth; And under the slide unit situation of being slided, will intert gap locking or it is narrowed down through auxiliary lock portion, thus by the pushing of this foreign matter; Can prevent that foreign matter from getting into, can prevent to climb the foreign matter of nipping between the free end that keeps body and the slide unit drawing.The unfavorable condition that the operation that therefore, when drawing the installation of climbing and changing, can prevent cloth etc. and become unfavorable condition and the pull head of obstruction is influenced by cloth etc.

Description of drawings

Fig. 1 is the exploded perspective view of the slider for slide fastener of embodiments of the invention 1.

Fig. 2 is in this pull head, and expression is formed on draws protuberance of climbing the free end side that keeps body and the cutaway view that is formed on the relation between the recess on the slide unit.

Fig. 3 is expression pull head main body and draws the side view of the relation of climbing.

Fig. 4 explains that will draw the installation axial region of climbing to be inserted into draws the cutaway view of the operation when climbing in the receiving space that keeps between body and the upper flange.

Fig. 5 is in the variation of pull head, and expression is formed on to draw climbs the cutaway view that keeps the recess on the body and be formed on the relation between the protuberance on the slide unit.

Fig. 6 is in other variation of pull head, and expression is formed on to draw climbs the cutaway view that keeps the protuberance on the body and be formed on the relation between the recess on the slide unit.

Fig. 7 is in other other the variation of pull head, and expression is formed on to draw climbs the cutaway view that keeps the protuberance on the body and be formed on the relation between the recess on the slide unit.

Fig. 8 is in other other the variation of pull head, and expression is formed on to draw climbs the cutaway view that keeps the protuberance (or recess) on the body and be formed on the relation of the recess (or protuberance) on the slide unit.

Fig. 9 is that the cutaway view of the state of climbing is drawn in the installation that do not have of the slider for slide fastener of expression embodiments of the invention 2.

Figure 10 amplifies the major part enlarged drawing in cross section that drawing of this pull head of ground expression climbed the lock portion of the free end that keeps body and slide unit.

Figure 11 is the exploded perspective view of the slider for slide fastener of embodiments of the invention 3.

Figure 12 is in this pull head, and expression is formed on draws protuberance of climbing the free end side that keeps body and the cutaway view that is formed on the relation of the recess on the slide unit.

Figure 13 is in this pull head, and explanation will draw the installation axial region of climbing to guide to the cutaway view of accommodating the state in the groove of slide unit.

Figure 14 is that explanation is slided slide unit and made and draw the installation axial region of climbing to be inserted into the cutaway view of the state in the receiving space.

Figure 15 representes to draw to climb to be drawn the cutaway view of climbing the state that keeps the body maintenance.

Figure 16 representes to draw to climb to be drawn the vertical view of climbing the state that keeps the body maintenance.

Figure 17 is that the auxiliary lock portion of explanation through slide unit prevents that foreign matter from getting into to draw and climb the free end that keeps body and the major part cutaway view of the state between the upper flange.

Figure 18 explains also at foreign matter pushing slide unit and makes under the situation of its slip, prevents that foreign matter from being drawn by nipping to climb the free end that keeps body and the major part cutaway view of the state between the upper flange.

Figure 19 is in the variation of pull head, and expression is drawn and climbed the free end that keeps body and erect the lock portion that is located on the slide unit and the cutaway view of assisting the relation of lock portion.

Figure 20 is the cutaway view along the pull head length direction of this pull head.

Figure 21 is the cutaway view of the slider for slide fastener of embodiments of the invention 4.

Figure 22 is the exploded perspective view of pull head in the past.

Figure 23 is the cutaway view of this pull head.

Figure 24 is in this pull head, and explanation will be drawn and climbed the cutaway view that is installed in the state on the pull head main body.

Figure 25 is the exploded perspective view of other pull heads in the past.

Figure 26 is the cutaway view of this pull head of expression.

The specific embodiment

Below, enumerate embodiment, Yi Bian specify preferred embodiment of the present invention on one side with reference to accompanying drawing.

Embodiment 1

Fig. 1 is the exploded perspective view of the slider for slide fastener of present embodiment 1, and Fig. 2 is in this pull head, and expression is formed on draws protuberance of climbing the free end side that keeps body and the cutaway view that is formed on the relation between the recess on the slide unit.In addition, Fig. 3 and Fig. 4 are that expression will be drawn the state of climbing when being installed on the pull head main body or the figure of operation.In addition, among Fig. 3,, only illustrate drawing to climb with the cross section for easy identification is drawn the installation method of climbing.

The slider for slide fastener 10 of present embodiment 1 constitutes, through slide engagement of chain denture and separation about can making along the chain denture on the relative ora terminalis of the zipper teeth chain that is installed in not shown pair of right and left.

In addition, in the following explanation, the length direction of pull head 10 is defined as fore-and-aft direction, especially pull head 10 is used to make the engagement of chain denture and the direction that moves with respect to the chain denture as the place ahead, will be used to make the chain denture separate and the direction that moves as the rear.In addition, the short transverse of pull head 10 is defined as above-below direction, will installs with respect to pull head main body 2 especially and draw the direction of climbing 6 one sides as the top, with the direction of its opposition side as the below.And, the width of pull head 10 is defined as left and right directions.

The pull head 10 of present embodiment 1, as shown in Figure 1, have: pull head main body 20; Be fixed on drawing on the pull head main body 20 and climb and keep body 30 with cantilever-shaped; Direction is configured in the slide unit 40 on the pull head main body 20 slidably forwards, backwards; The helical spring 5 that slide unit 40 is rearward suppressed as elastomeric element; Remaining on to draw to climb keeps drawing on the body 30 to climb 6.In addition, in the present embodiment 1, draw to climb to keep body 30 and pull head main body 20 to form being fixed on thus on the pull head main body 20.

In this pull head 10, pull head main body 20, draw to climb and keep body 30, slide unit 40 and draw climbing 6 and can using metal material such as aluminium alloy, kirsite and make through casting forming.In addition; About these parts, can also replace metal material and use the thermoplastic resin of polyamide, polypropylene, polyacetals, polybutylene terephthalate (PBT) etc. respectively or added the thermoplastic resin material etc. of wear resistance strengthening material and make through injection moulding.

Pull head main body 20 in this pull head 10 has: go up lower wing plate 21,22, almost parallel ground configuration each other; Guide post 23 links up the leading section of last lower wing plate 21,22 each other; Flange 24, towards relative lower wing plate 22 and upper flange 21, and the edge is extended with the direction of last lower wing plate 21,22 quadratures and is provided with from the left and right sides lateral margin of upper flange 21 and lower wing plate 22.

In the front portion of this pull head main body 20, be formed with betwixt form across guide post 23 about the shoulder mouth, be formed with deutostoma in the rear end of pull head main body 20.And, with the mode of being surrounded by last lower wing plate 21,22 and flange 24, be formed with about shoulder mouth and the chain tooth path of navigation 25 of the Y word shape of deutostoma connection.

In addition; Upper surface side at the upper flange 21 of pull head main body 20; Forwards hollowly be provided with sliding guidance groove 26 from the rear end (acies of back oral-lateral) of upper flange 21; The sidewall in the left and right sides of this sliding guidance groove 26, be formed with supply slide unit 40 after the guide part embedding slot 26a of guide part 44 setting-ins stated.And, in the bottom of sliding guidance groove 26, be formed with the spring accepting groove 26b that is used to accommodate maintenance helical spring 5.

In addition, be provided with the layer difference 21a of portion in the rearward end of upper flange 21, the side, the left and right sides in the rearward end of sliding guidance groove 26 disposes the fastening sheet 27 that erects from the upper surface of the layer difference 21a of portion.About fastening sheet 27; In spring accepting groove 26b, accommodated helical spring 5 and in sliding guidance groove 26, inserted under the state of slide unit 40; With the bending to the inside of approaching each other mode and by caulking, thus, with the rear end face of stating guide part 44 behind the slide unit that is suppressed by helical spring 5 40 (end face of back oral-lateral) butt; So performance is as the effect of the stop part of slide unit 40.

Being integrally formed in drawing on this pull head main body 20 climbs and keeps body 30 to have: the anchor portion 31 that erects from the leading section (comparing near the place ahead with the fore-and-aft direction central authorities of pull head 10) of upper flange 21; From these anchor portion 31 extensions crooked and that rearward extend portion 32 is set; Portion 32 is set to the bent free end 33 of upper flange 21 lateral bendings from this extension.Free end 33 become and upper flange 21 and slide unit 40 between have the state in gap.This draws to climb and keeps body 30 integral body to be downward spill, this draw be formed with between the upper surface of climbing the following ora terminalis that keeps body 30 and upper flange 21 be used to accommodate draw climb 6 after state the receiving space 11 that axial region 6b is installed.

In addition, drawing on the end face 33a that climbs free end 33 sides that keep body 30 (face of facing with slide unit 40), be formed with protuberance 34, this protuberance 34 along the glide direction of slide unit 40 to the cross section of fore-and-aft direction (pull head length direction) in the form of a substantially rectangular.Under this situation, between the upper surface that draws the lower surface of climbing the protuberance 34 that keeps body 30 and upper flange 21, be formed with to make to draw and climb the interspersed gap 12 that 6 installation axial region 6b runs through insertion.

In addition; In the present embodiment 1, draw to climb to keep body 30 to form and be fixed on the pull head main body 20, but in the present invention; Can also make respectively draw climb keep body 30 and pull head main body 20 after, will draw through methods such as riveted joints and to climb maintenance body 30 and be fixed on the pull head main body 20.

The slide unit 40 of present embodiment 1 has: main part 41, along sliding guidance groove 26 slips of pull head main body 20; Lock portion 42, the outstanding central portion that is arranged on the fore-and-aft direction of this main part 41; Guiding projecting strip part 43 is formed on lower surface (back side) side of main part 41 with being raised line and is inserted among the spring accepting groove 26b and to the slip channeling conduct of slide unit 40 along fore-and-aft direction; Guide part 44 is configured in the left and right sides side edge part of main part 41 and is used for being inlaid in the guide part embedding slot 26a of sliding guidance groove 26.

In this slide unit 40, lock portion 42 keep relative opposite face (upper surface) 42a of body 30 last with drawing to climb, be provided with recess 45 accordingly with the position of protuberance 34, make to be formed on to draw and climb the protuberance 34 that keeps on the body 30 and can insert.

About protuberance 34, as shown in Figure 2, drawing on the end face 33a that climbs free end 33 sides that keep body 30, the left and right directions end faces of both sides 33a of protuberance 34 compares with the end face 33a of the front of protuberance 34 and is positioned at the top.In addition, the bottom surface 42a of the recess 45 among the opposite face 42a of slide unit 40 faces with the end face 33a of the front of protuberance 34 mutually.And in drawing the free end 33 of climbing maintenance body 30, the size of the width of protuberance 34 (left and right directions) is set less than drawing the size of climbing the width that keeps body 30 integral body.

Therefore; Especially climb 6 installation axial region 6b and form under the circular-arc situation drawing; Will install axial region 6b as after be crimped on the lock portion 42 stating; And the elastic force pressure of opposing helical spring 5 is when being pressed into, and draws to climb 6 installation axial region 6b and climb the free end 33 that keeps body 30 and be difficult to each other interfere with drawing, and can easily be pressed into to draw to climb 6 installation axial region 6b.In addition, such effect equally also can access in the represented pull head of the Fig. 6 that after for example, states and Figure 12.

Under this situation; Drawing the end face 33a that climbs free end 33 sides that keep body 30 and be formed on the upper surface 42a of protuberance 34 and the lock portion 42 in the slide unit 40 on this end face 33a and be formed between the recess 45 of this upper surface 42a, climbing maintenance body 30 and be provided with gap 13 with the mode that slide unit 40 does not directly contact so that draw.This gap 13, on one side Yin La climb the protuberance 34 that keeps body 30 and lock portion 42 recess 45 and along the vertical direction (pull head short transverse) crooked with zigzag, Yi Bian formation in left and right directions (pull head width) scope.

That is to say; The state that protuberance 34 is inserted into recess 45 is; With the lock portion 42 of slide unit 40 keep the front end (upper end of the left and right sides) of relative opposite face (upper surface) 42a of body 30 to compare with drawing to climb, the front end of upper flange 21 sides with end face 33a of protuberance 34 is positioned at the state of main part 41 sides (lower side) of slide unit 40.Therefore, on left and right directions, the front end (upper end of the left and right sides) of the opposite face of lock portion 42 (upper surface) 42a is compared with the front end face that draws the protuberance 34 of climbing maintenance body 30 and is positioned at upper side.In addition; Front end face at the protuberance 34 that draws the central portion configuration of climbing the left and right directions that keeps body 30; Relative with the bottom surface of the recess 45 of lock portion 42, and, compare with opposite face (upper surface) 42a of the left and right sides of this lock portion 42 and to be positioned at lower side (main part 41 sides of slide unit 40).Thus, at slide unit 40 with draw to climb and be provided with the crooked gap 13 of indentation between the free end 33 that keeps body 30.

Here; Jagged gap 13 forms with the mode with the layer difference that bends to roughly 90 °, but also can be arranged to, on left and right directions for example; In the left side and/or the part on right side with central authorities part have above-below direction the layer poor; In addition, can also be arranged to, for example at least two straight lines are roughly V font with the angular cross of regulation.

The drawing of present embodiment 1 climbed 6 and had: can climb main part 6a through flat the drawing that finger pinches; Be formed on the circular-arc installation axial region 6b that this draws an end of climbing main part 6a.

Next, the order of pull head 10 to assembling present embodiment 1 describes.

At first, carry out on pull head main body 20, assembling the operation of slide unit 40 and helical spring 5.Specifically; Helical spring 5 inserted among the spring accepting groove 26b on the upper flange 21 that is formed on pull head main body 20; Next, make the front end face 33a of slide unit 40 and the rear end butt of helical spring 5, slide unit 40 is inserted sliding guidance groove 26 while compress this helical spring 5.

When slide unit 40 is inserted sliding guidance groove 26, make the spring accepting groove 26b of the guiding projecting strip part 43 embedding upper flanges 21 of slide unit 40, and, the guide part 44 of slide unit 40 is inlaid among the guide part embedding slot 26a of upper flange 21.Then; After slide unit 40 is inserted sliding guidance groove 26; It is also caulking that the fastening sheet 27 that erects the rearward end that is located at upper flange 21 is buckled to mutual approaching direction, and thus, slide unit 40 can be slidably mounted on the upper flange 21 under the state that is suppressed by helical spring 5.

At this moment; By caulking fastening sheet 27 as the stop part of slide unit 40 and play a role; So; Become the sliding end that suppresses the direction side of this slide unit 40 with the position of the slide unit 40 of fastening sheet 27 butts, when slide unit 40 was positioned at this sliding end that suppresses the direction side, the lock portion 42 through slide unit 40 will be formed on to draw climbed the free end 33 that keeps body 30 and the gap between the upper flange 21 (intert gap) 12 lockings (or it is narrowed down).On the other hand, the sliding end with suppressing side in the opposite direction of slide unit 40 becomes the be incumbent on position of the position butt on the sliding guidance groove 26 of wing plate 21 of lock portion 42 with slide unit 40.

In addition; The pull head 10 of present embodiment 1 constitutes; Under the situation of this pull head 10 of side observation from the side; Suppressed by helical spring 5 and when being positioned at the sliding end that suppresses the direction side, draw to climb to keep the free end 33 of body 30 to compare distolateral backward extension (with reference to Fig. 3) at slide unit 40 with the lock portion 42 of the slide unit that is positioned at the sliding end that suppresses the direction side 40.

Thus, leaning on rear side, be formed with predetermined gap 14 drawing to climb between the free end 33 that keeps body 30 and the upper flange 21 than the lock portion of slide unit 40 42.Through this gap 14 is set; As after state; Will draw lock portion 42 crimping of climbing 6 installation axial region 6b and slide unit 40 for slide unit 40 is forwards slided the time, climb 6 installation axial region 6b through in this gap 14, inserting to draw, can easily position this installation axial region 6b.Therefore, can make the lock portion 42 that axial region 6b is crimped on slide unit 40 reliably is installed, slide unit 40 is forwards easily slided.

And in the pull head 10 of present embodiment 1, between is formed with gap 13 with drawing the free end 33 of climbing maintenance body 30 not contact in order to make slide unit 40.And constitute, when slide unit 40 is positioned at the sliding end that suppresses the direction side, be formed in the recess 45 of upper surface 42a that the protuberance 34 that draws on the end face 33a that climbs free end 33 sides that keep body 30 is inserted into the lock portion 42 that is formed on slide unit 40.Here, draw and climb the protuberance 34 that keeps body 30 and be inserted in the recess 45 of slide unit 40 and be meant that the leading section of protuberance 34 is compared the bottom surface side that enters into recess 45 with the upper surface 42a that is formed with recess 45 of lock portion 42.

Like this, through at slide unit 40 with draw to climb and form gap 13 between the free end 33 that keeps body 30, when slide unit 40 is slided with respect to upper flange 21, can make slide unit 40 not climb the free end 33 that keeps body 30 and slide swimmingly contiguously with drawing.Therefore, climb 6 installation and when removing, can carry out this installation exercise swimmingly and remove operation slide unit 40 being slided and draw.

In addition; When slide unit 40 is positioned at the sliding end that suppresses the direction side; Keep the protuberance 34 of body 30 to be inserted in the recess 45 of slide unit 40 owing to draw to climb, can make be formed on slide unit 40 and draw the gap 13 climbed between the free end 33 that keeps body 30 along the vertical direction (pull head short transverse) bend to zigzag.Thus, can make thin foreign matters such as cloth be difficult to enter into this gap 13.

As stated, finish slide unit 40 and helical spring 5 be assembled in the operation on the pull head main body 20 after, carry out climbing 6 and being installed in to draw and climbing the operation that keeps on the body 30 with drawing.Specifically; As shown in Figure 3; Climb 6 installation axial region 6b and be inserted into from rear side to be formed on to draw the end face 33a that climbs free end 33 sides that keep body 30 and the predetermined gap 14 between the upper flange 21 and and carry out crimping will drawing the lock portion 42 of slide unit 40; And, through this installation axial region 6b the lock portion 42 of slide unit 40 forwards is pressed into.

Thus, as shown in Figure 4, the elastic force pressure of slide unit 40 opposing helical springs 5 forwards slides along the sliding guidance groove 26 of upper flange 21, and, owing to slide unit 40 forwards slides, by lock portion 42 lockings of slide unit 40 interspersed gap 12 openings.Therefore, via the interspersed gap 12 of opening, can make to draw and climb 6 installation axial region 6b and move in the receiving space 11.

And; Climb after 6 installation axial region 6b moves in the receiving space 11 drawing; Axial region 6b should be installed mention, and remove the pushing of axial region 6b to slide unit 40 is installed, then to the top; The slide unit 40 that is pressed into the place ahead is suppressed by helical spring 5 and moves to the sliding end that suppresses the direction side, climbs the free end 33 that keeps body 30 and interspersed gap 12 lockings between the upper flange 21 thereby will draw.Thus, can access the pull head 10 of present embodiment 1, that is: draw and climb 6 installation axial region 6b and be housed in the receiving space 11, and draw and climb 6 and be maintained to draw to climb and keep on the body 30.

In addition, climb and keep drawing on the body 30 to climb under 6 situation about pulling down will remaining on drawing of pull head 10, wait with finger slide unit 40 forwards push, thereby the elastic force pressure that makes slide unit 40 resist helical springs 5 advances.Thus, climb the free end 33 that keeps body 30 and interspersed gap 12 openings between the upper flange 21 owing to draw, so, will draw via this interspersed gap 12 and to climb 6 installation axial region 6b and extract from receiving space 11, climb 6 thereby can easily pull down to draw.

As above, the pull head 10 of present embodiment 1 constitutes, because slide unit 40 can be configured on the upper flange 21 slidably, so, can make to draw and climb 6 and install and remove with respect to pull head main body 20.

And; In this pull head 10; At slide unit 40 with draw to climb between the free end 33 that keeps body 30 and have gap 13, and, be located at and draw the protuberance 34 of climbing on the end face 33a that keeps body 30 and the recess 45 that is located on the slide unit 40 to form along the glide direction of slide unit 40.Therefore, when slide unit 40 is slided with respect to upper flange 21, can make this slide unit 40 not climb the free end 33 that keeps body 30 and slide swimmingly contiguously with drawing, so, can stably draw and climb 6 installation and dismounting.

And; Be formed on slide unit 40 and draw the gap of climbing between the free end 33 that keeps body 30 13; Draw the protuberance 34 of climbing on the end face 33a that keeps body 30 to bend to zigzag along the vertical direction through being located at being located at the recess 45 on the slide unit 40; So, can prevent that thin foreign matters such as cloth from entering into this gap 13.Therefore, can prevent in pull head 10 in the past the unfavorable condition that produces, specifically, as the foreign matter that enters into gap 13 is drawing the unfavorable condition of climbing 6 installation and becoming obstruction when changing; Hinder the unfavorable condition of the operation of pull head 10 because of the foreign matter that enters into gap 13.

In addition; In the pull head 10 of the foregoing description 1; Drawing the end face 33a that climbs free end 33 sides that keep body 30 that protuberance 34 is set, and, can supply to draw in the upper surface setting of the lock portion 42 of slide unit 40 and climb the recess 45 that the protuberance 34 that keeps body 30 inserts; Thus, can prevent that foreign matter from entering into to be formed on to draw climbs the free end 33 that keeps body 30 and the gap 13 between the slide unit 40.

But; 1 form that the invention is not restricted to the embodiments described and after the form of embodiment 2～embodiment 4 of stating; For example the variation of pull head shown in Fig. 5 is such; Also can be; Draw the protuberance 46 of climbing in the recess 35 that keeps body 30 drawing the end face 33a that climbs free end 33 sides that keep body 30 that recess 35 is set and be provided with to be inserted into, thus, prevent that foreign matter from entering into to draw to climb formed gap 13 between the free end 33 that keeps body 30 and the slide unit 40 at the upper surface 42a of the lock portion 42 of slide unit 40.

In addition; Drawing the end face 33a that climbs free end 33 sides that keep body 30; Replace being provided with the foregoing description 1 such to the cross section of the pull head length direction protuberance 34 of shape in the form of a substantially rectangular; Can also be as other variation of pull head shown in Fig. 6, to draw the end face 33a that climbs free end 33 sides that keep body 30; The protuberance 34a that the cross section of pull head length direction is the general triangular shape is set, and will be arranged on the upper surface 42a of the lock portion 42 of slide unit 40 with the cross sectional shape corresponding concave part 45a depression of protuberance 34a with the mode that can supply this protuberance 34a to insert.This protuberance 34a is provided with from drawing whole of the width (left and right directions) of climbing the free end 33 that keeps body 30 to extend, and the wall thickness that is width (left and right directions) is along with tending to the below shape of attenuation gradually.

In addition; As other other the variation of pull head shown in Fig. 7; Drawing free end 33 sides of climbing maintenance body 30 to be provided with under the situation of the protuberance 34a (the protuberance 34a same) that for example cross section of pull head length direction is the general triangular shape with Fig. 6; The recess 45 of upper surface of lock portion 42 that is located at slide unit 40 is so long as the shape that can supply this protuberance 34a to insert also can be the structure with space of not corresponding with the cross sectional shape of protuberance 34a essentially rectangular shape.

In addition, in the foregoing description 1 and variation, on the upper surface 42a of the lock portion 42 of drawing the end face 33a that climbs free end 33 sides that keep body 30 and slide unit 40, protuberance and recess are in the substantial middle portion formation accordingly each other of pull head width.But; In the present invention; As long as can prevent that foreign matter from entering into to draw climbs formed gap 13 between the free end 33 that keeps body 30 and the slide unit 40, protuberance and recess are formed on from the position of the substantial middle portion displacement of pull head width accordingly.

It is such that for example Fig. 8 illustrates other other the variation of pull head; Can also be when the rear end side of pull head is observed, to draw the end face 33a that climbs free end 33 sides that keep body 30; The cross section protuberance 34b of shape in the form of a substantially rectangular is formed near the left side of free end 33; And,, can supply to draw and climb the recess 45b that the protuberance 34b that keeps body 30 inserts and also be formed near the left side of lock portion 42 at the upper surface 42a of the lock portion 42 of slide unit 40.

In addition; Under the situation of this variation shown in Figure 8; Through changing the observational technique of protuberance and recess; Can also be understood as: near for example drawing the right side of climbing the free end 33 that keeps body 30, form recess, near the right side of the lock portion 42 of slide unit 40, form to be inserted into and draw the protuberance of climbing in the recess that keeps body 30.

In above-mentioned any one variation; Common ground is; Draw the front end (lower end) of the upper flange side in the end face of climbing the free end side that keeps body to constitute; Than the lock portion of slide unit climb the main part side (lower side) that the front end (upper end) that keeps the free end side in the relative opposite face of body is positioned at slide unit with drawing, and jagged gap is set drawing to climb between the free end that keeps body and the slide unit.

Embodiment 2

Fig. 9 be expression present embodiment 2 pull head not have to install the cutaway view draw the state of climbing, Figure 10 is the major part enlarged drawing in cross section that amplifies the lock portion of free end that drawing of this pull head of ground expression climb the maintenance body and slide unit.

The pull head 110 of present embodiment 2 has: pull head main body 120; Be integrally formed in drawing on the pull head main body 120 and climb and keep body 130 with cantilever-shaped; Be configured in the slide unit 140 on the pull head main body 120 with the mode that can slide along the vertical direction; The helical spring 105 that slide unit 140 is suppressed to the top; Remain on and draw not shown the drawing of climbing on the maintenance body 130 to climb.

The pull head main body 120 of present embodiment 2 has: go up lower wing plate 121,122; The guide post 123 that the leading section of last lower wing plate 121,122 is linked up each other; Extend the flange 124 that is provided with from the left and right sides lateral margin of upper flange 121 and lower wing plate 122, be formed with the chain tooth path of navigation 125 of Y word shape 121,122 of last lower wing plates.In addition; In pull head main body 120, be equipped with sliding guidance hole 126; This sliding guidance hole 126 from the upper surface of upper flange 121 via the inside of guide post 123 and extend through the lower surface of lower wing plate 122; Lower wing plate 122 sides in this sliding guidance hole 126 are formed with card holding trough 128, and this card holding trough 128 can clamp the anti-avulsion sheet 127 that the end to helical spring 105 supports.

Being formed on drawing on this pull head main body 120 climbs and keeps body 130 to have: the anchor portion 131 that erects from the rearward end (comparing near the rear with the fore-and-aft direction central authorities of pull head 110) of upper flange 121; From these anchor portion 131 extensions crooked and that rearward extend portion 132 is set; Portion 132 is set to the bent free end 133 of upper flange 121 lateral bendings from this extension.Draw between the upper surface of climbing maintenance body 130 and upper flange 121 at this; Be formed with and accommodate the receiving space 111 that draws the installation axial region of climbing; In addition; Between the upper surface that draws the end face 133a that climbs free end 133 sides that keep body 130 (and upper flange 121 face surface) and upper flange 121, be formed with and supply to draw the installation axial region of climbing to run through the interspersed gap 112 of insertion.And, drawing on the end face 133a that climbs free end 133 sides that keep body 130, be provided with recess 135 along the fore-and-aft direction depression.

The slide unit 140 of present embodiment 2 has: can be inlaid in the main part 141 in the sliding guidance hole 126 of pull head main body 120 slidably; Extend the lock portion 142 that is provided with to the top from this main part 141; Form and can be inserted into the protuberance 146 that draws the recess 135 of climbing maintenance body 130 from lock portion 142 continuously to the top.Under this situation; The main part 141 of slide unit 140, lock portion 142 and protuberance 146 form with the mode that the size on the pull head width all has identical size; In addition; At the rear portion of lock portion 142 and protuberance 146, be formed with the inclined plane 143 that the size that makes the pull head length direction reduces gradually towards top ground.

And the 141a in the lower surface of main part 141 is formed with the patchhole 144 that insert the other end that can supply helical spring 105.In addition; In the present embodiment 2, thereby the sliding end that suppresses the direction side of slide unit 140 is set in through not shown detent mechanism and makes on the assigned position and be formed with gap 113 being disposed at the protuberance 146 on this slide unit 140 and being disposed to draw to climb between the recess 135 that keeps on the body 130.

Below, describe for the order of pull head 110 of assembling present embodiment 2.

At first; For slide unit 140 is installed on the pull head main body 120; Slide unit 140 is inserted into the sliding guidance hole 126 that is formed on the pull head main body 120 from lower side, next, helical spring 105 is inserted into this sliding guidance hole 126 from lower side; And, the other end of this helical spring 105 is inserted in the patchhole 144 of slide unit 140.

Then, make anti-avulsion sheet 127 be connected to an end of helical spring 105,, this anti-avulsion sheet 127 is installed in the card holding trough 128 of pull head main body 120 on one side on one side through anti-avulsion sheet 127 these helical springs 105 of compression.Thus, slide unit 140 can be slidably mounted on the pull head main body 120 with the state that is suppressed to the top by helical spring 105 along the vertical direction.

At this moment; Because slide unit 140 is suppressed to the top by helical spring 105; So like Fig. 9 and shown in Figure 10, the protuberance 146 of slide unit 140 is inserted into to draw and climbs in the recess 135 that keeps body 130; And, be formed on and draw free end 133 and the interspersed gap 112 between the upper flange 121 of climbing maintenance body 130 to become by the state of lock portion 142 lockings of slide unit 140.

The protuberance 146 of slide unit 140; Be not outstanding the forming of a part of such ground surface shown in embodiment 1; But whole (with main part 141 same widths) of the left and right directions of slide unit 140 form as protuberance, and the wall thickness of the fore-and-aft direction of this protuberance 146 reduces along with trending towards the top gradually.In this example, protuberance 146 also is the part of lock portion 142.

In the embodiment of this specification, so-called protuberance is to describe to be inserted into the part in the recess, is not limited to from the plane the only outstanding structure of a part.

Then; For being climbed, not shown drawing be installed on the pull head main body 120 that is assembled with slide unit 140 and helical spring 105; Draw the end face 133a that climbs free end 133 sides that keep body 130 and the interspersed gap 112 between the upper flange 121 with drawing the installation axial region of climbing to insert to be formed on, and make lock portion 142 butts of this installation axial region and slide unit 140 from rear side.

And, axial region should be installed forwards be pressed into, thus,, the elastic force pressure of slide unit 140 opposing helical springs 105 is slided downwards via the inclined plane 143 that is formed on lock portion 142 and the protuberance 146.Its result does; Through the lock portion 142 of slide unit 140 by interspersed gap 112 openings of locking, so, make via the interspersed gap 112 of this opening and to draw the installation axial region of climbing to move in the receiving space 111; Thus, can keep on the body 130 drawing to climb to be installed in to draw to climb.

According to the pull head 110 of such present embodiment 2, slide along the vertical direction with respect to pull head main body 120 through making slide unit 140, can stably draw the installation and the dismounting of climbing.And; Be formed on slide unit 140 and draw the gap of climbing between the free end 133 that keeps body 130 113 owing to bend to zigzag along the vertical direction; So; Can prevent that thin foreign matters such as cloth from entering into this gap 113, thereby can access the effect same with the pull head of previous embodiment 1 110.

Embodiment 3

Figure 11 is the exploded perspective view of the pull head of present embodiment 3, and Figure 12 is illustrated in this pull head, is formed on the cutaway view that the lock portion of drawing the protuberance of climbing the free end side that keeps body and being formed on slide unit reaches the relation between the recess on the auxiliary lock portion.In addition, Figure 13～Figure 15 is that explanation will be drawn the key diagram of climbing the operation when being installed on the pull head main body.

In addition, in the pull head of present embodiment 3, except the form that is formed on the form of drawing the protuberance of climbing the free end side that keeps body and slide unit, constitute with pull head in the previous embodiment 1 basic identically.Therefore, the pull head of present embodiment 3 and after in the variation stated, have part for parts or position with spline structure with explanation in previous embodiment 1, use identical Reference numeral to represent, and omit its explanation thus.

The pull head 50 of present embodiment 3 has: pull head main body 20; Be fixed on drawing on the pull head main body 20 and climb and keep body 60 with cantilever-shaped; Can be configured in the slide unit 70 on the pull head main body 20 slidably along fore-and-aft direction; The helical spring 5 that slide unit 70 is rearward suppressed; Remaining on to draw to climb keeps drawing on the body 60 to climb 6.

Climb drawing of present embodiment 3 on the end face 63a of free end 63 sides that keep body 60; Glide direction along slide unit 70 is formed with the protuberance 64 that the cross section of fore-and-aft direction is the general triangular shape to downside; Between the upper surface of the bottom of this protuberance 64 and upper flange 21, be formed with to make to draw and climb the interspersed gap 12 that 6 installation axial region 6b runs through insertion.

The slide unit 70 of present embodiment 3 has: along the main part 71 that is formed on sliding guidance groove 26 slips on the upper flange 21; In the outstanding lock portion 72 that is provided with of the central portion of the fore-and-aft direction of this main part 71; The outstanding auxiliary lock portion 77 that is provided with of rearward end at main part 71; Form the guiding projecting strip part 73 of raised line in lower surface (back side) side of main part 71; Be configured in the guide part 74 of the left and right sides side edge part of main part 71.In addition, between the lock portion 72 and auxiliary lock portion 77 of slide unit 70, be formed with can accommodate draw climb 6 installation axial region 6b accommodate slot part 78.

In this slide unit 70, lock portion 72 keep relative opposite face (upper surface) 72a of body 60 last with drawing to climb, can supplying to be formed on the mode that the protuberance 64 that keeps on the body 60 inserts of climbing of drawing, be formed with recess 75 accordingly with the position of protuberance 64.Under this situation; Drawing the end face 63a that climbs free end 63 sides that keep body 60 and being formed at the upper surface 72a of protuberance 64 and the lock portion 72 in the slide unit 70 on this end face 63a and being formed between the recess 75 of this upper surface 72a, in the scope of left and right directions, be formed with the gap 13 of bending along the vertical direction.

In addition, on the upper surface 77a of auxiliary lock portion 77, also be formed with and the same recess 77b of recess 75 that is formed on the lock portion 72, when slide unit 70 forwards slides, prevent auxiliary lock portion 77 and draw the free end 63 of climbing maintenance body 60 to contact.And this auxiliary lock portion 77 forms as follows: be installed on 21 last times of upper flange of pull head main body 20 at slide unit 70, auxiliary lock portion 77 is lower from the projecting height of upper flange 21 than lock portion 72 from the projecting height of upper flange 21.

In addition, be positioned at slide unit 70 under the situation of position of the sliding end that suppresses direction, auxiliary lock portion 77 is climbed maintenance body 60 and is positioned at the rear than drawing, and becomes not the state of facing mutually with the end face 63a of free end 63.In addition, auxiliary lock portion 77, after when stating such slide unit 70 shown in Figure 14 and being pressed into the place ahead, become (being positioned at the below of the end face 63a of free end 63) state of facing mutually with the end face 63a of free end 63.

Under the situation of the pull head 50 of assembling such present embodiment 3, at first, likewise on pull head main body 20, assemble slide unit 70 and helical spring 5 with previous embodiment 1.Then, in order to keep installing to draw on the body 60 climbing 6 drawing to climb, climb accommodate (with reference to Figure 13) in the slot part 78 that 6 installation axial region 6b inserted and be housed in slide unit 70 with drawing.At this moment; Because auxiliary lock portion 77 is set to such an extent that be lower than the projecting height of lock portion 72 from upper flange 21 from the projecting height of upper flange 21; So, can make to draw and climb 6 installation axial region 6b and with under the situation of auxiliary lock portion 77 interferences easily do not guiding and be housed in the accommodating in the slot part 78 of slide unit 70.

And, make to be housed in and accommodate drawing in the slot part 78 and climb 6 installation axial region 6b and forwards move, thus, the lock portion 72 of slide unit 70 forwards is pressed into through this installation axial region 6b.Thereby; Shown in figure 14, the elastic force pressure of resisting helical springs 5 owing to slide unit 70 advances, so; By interspersed gap 12 openings of lock portion 72 lockings of slide unit 70, can make via the interspersed gap 12 of this opening to draw and climb 6 installation axial region 6b and move in the receiving space 11.At this moment; Owing to draw and climb 6 installation axial region 6b and move while being pressed into slide unit 70 being accommodated in accommodating under the state in the slot part 78 of slide unit 70; So; Can climb 6 installation axial region 6b and push the lock portion 72 of slide unit 70 reliably on one side through drawing, make this installation axial region 6b stably mobile in receiving space 11 on one side.

And; Climb after 6 installation axial region 6b moves in the receiving space 11 drawing; Axial region 6b should be installed after mention the top; Slide unit 70 is suppressed by helical spring 5 and moves to the sliding end that suppresses the direction side, climbs the free end 63 that keeps body 60 and interspersed gap 12 lockings between the upper flange 21 thereby will draw.Thus, like Figure 15 and shown in Figure 16, can access to draw and climb 6 and be maintained to draw and climb the pull head 50 that keeps the present embodiment 3 on the body 60.

In addition, climb and keep drawing on the body 60 to climb under 6 situation about pulling down remaining on drawing of pull head 50 wanting, utilize finger to wait slide unit 70 forwards push, thus, the elastic force pressure that makes slide unit 70 resist helical springs 5 advances.And, accommodate in the slot part 78 to draw accommodating of the slide unit 70 that has advanced and climb 6 installation axial region 6b, and slide unit 70 retreated.Thus, climb the free end 63 that keeps body 60 and the interspersed gap 12 between the upper flange 21, can make to draw and climb 6 installation axial region 6b and easily extract, and pull down to draw and climb 6 from receiving space 11 via drawing.

In the pull head 50 of such present embodiment 3; Climb the protuberance 64 that keeps on the body 60 and form along the glide direction of slide unit 70 owing to be located to draw with the recess 75 that is located on the slide unit 70; So, keeping between body 60 and the slide unit 70 drawing to climb, gap 13 forms along the vertical direction agley.Therefore, with previous embodiment 1 likewise, can prevent that thin foreign matters such as cloth from entering into to draw to climb the gap 13 that keeps between body 60 and the slide unit 70.

And, in the pull head 50 of present embodiment 3, owing to be formed with auxiliary lock portion 77 in the rearward end of slide unit 70; So; For example shown in Figure 17, thicker cloth 17 from the rear of the slide unit 70 that suppressed by helical spring 5 near and case of collision under, the auxiliary lock portion 77 of slide unit 70 becomes obstruction; Thus, can prevent that cloth 17 from entering into to draw climbs between the free end 63 and slide unit 70 that keeps body 60.

In addition; For example shown in Figure 180; Even thicker cloth 17 from the rear of the slide unit 70 that suppressed by helical spring 5 near and this cloth 17 situation that slide unit 70 forwards is pressed under; When moving with the sliding end that suppresses side in the opposite direction, the auxiliary lock portion 77 of slide unit 70 can be climbed the free end 63 that keeps body 60 and interspersed gap 12 lockings between the upper flange 21 with drawing at slide unit 70.Therefore, can prevent that thicker cloth 17 from being drawn between the free end 63 and slide unit 70 of climbing maintenance body 60 by nipping, and perhaps draws and climb between the free end 63 and upper flange 21 that keeps body 60.

In addition, in the pull head 50 of the foregoing description 3, drawing the end face 63a that climbs free end 63 sides that keep body 60 to be provided with protuberance 64, and, recess 75 and 77b be provided with at the upper surface of the lock portion 72 of slide unit 70 and the upper surface of auxiliary lock portion 77.But; Among the present invention; If, can also adopt following pull head climbing between the free end that keeps body and the upper flange and be provided with on the slide unit under the situation of auxiliary lock portion in order to prevent that foreign matter from being drawn by nipping, that is: Figure 19 and shown in Figure 20 for example; Recess is not set drawing the end face of climbing the free end side that keeps body that protuberance neither is set yet, at the lock portion upper surface of slide unit and auxiliary lock portion upper surface recess is set neither protuberance is not set yet.

More specifically explanation, Figure 19 and pull head 51 shown in Figure 20 have: pull head main body 20; Be fixed on drawing on the pull head main body 20 and climb and keep body 60 with cantilever-shaped; Can be configured in the slide unit 80 on the pull head main body 20 slidably along fore-and-aft direction; The helical spring 5 that slide unit 80 is rearward suppressed; Remaining on to draw to climb keeps drawing on the body 60 to climb 6.

In this pull head 51, on drawing the end face 63a that climbs free end 63 sides in the maintenance body 60, do not form the protuberance 64 in the previous embodiment 3, this end face 63a forms the tabular surface with respect to the upper surface almost parallel of upper flange 21.Between the upper surface of the smooth end face 63a of these free end 63 sides and upper flange 21, be formed with to make to draw and climb the interspersed gap 12 that 6 installation axial region 6b runs through insertion.

Slide unit 80 in this pull head 51 has: along the main part 71 that is formed on sliding guidance groove 26 slips on the upper flange 21; In the outstanding lock portion 82 that is provided with of the central portion of the fore-and-aft direction of this main part 71; The outstanding auxiliary lock portion 87 that is provided with of rearward end at main part 71; Form the guiding projecting strip part 73 of raised line in lower surface (back side) side of main part 71; Be configured in the guide part 74 of the left and right sides side edge part of main part 71.In addition, between the lock portion 72 and auxiliary lock portion 77 of slide unit 70, be formed with can accommodate draw climb 6 installation axial region 6b accommodate slot part 78.

In addition; On the upper surface 87a of the upper surface 82a of lock portion 82 and auxiliary lock portion 87, do not form recess 75 and the recess 77b in the previous embodiment 3, these upper surfaces 82a, 87a forms climbs the parallel tabular surface of end face 63a that keeps free end 63 sides in the body 60 with drawing.In addition, auxiliary lock portion 87 forms from the low mode of the projecting height of upper flange 21 than lock portion 82 with the projecting height of auxiliary lock portion 87 from upper flange 21.

In the pull head with such structure 51, can climb 6 installation axial region 6b and be contained in accommodating of slide unit 80 this slide unit 80 is slided will drawing, so, can stably draw and climb 6 installation and dismounting.In addition; Even thicker cloth from the rear of the slide unit 80 that suppressed by helical spring 5 near and collision and this cloth slide unit 80 is made under the situation of its slip with forwards being pressed into, the free end 63 that keeps body 60 and interspersed gap 12 lockings between the upper flange 21 also can be climbed with drawing in lock section 87 during slide unit 80 auxiliary.Therefore, can prevent effectively that thicker cloth from being drawn by nipping between the free end 63 and slide unit 80 of climbing maintenance body 60, perhaps draws and climb between the free end 63 and upper flange 21 that keeps body 60.

Embodiment 4

Figure 21 is the cutaway view of the pull head 210 of present embodiment 4.

In the foregoing description 1～embodiment 3; Pull head (generally being called free pull head) to not having based on the auto-stop mechanism that stops corpus unguis is illustrated; But in present embodiment 4, the pull head 210 with the band auto-stop mechanism that stops corpus unguis 250 is described.

The pull head 210 of present embodiment 4 comprises: the pull head main body 220 with last lower wing plate 221; Be fixed on drawing on the pull head main body 220 and climb and keep body 230 with cantilever-shaped; Can be configured in the slide unit 240 on the upper flange 221 of pull head main body 220 slidably along fore-and-aft direction; The not shown helical spring that slide unit 240 is rearward suppressed as elastomeric element; Can swingingly be configured in along the vertical direction and stop corpus unguis 250 on the upper flange 221; So that stop corpus unguis 250 after state the mode that claw 254 is projected in the chain tooth path of navigation of pull head main body 220 and suppress the leaf spring 260 that stops corpus unguis 250; Have drawing of installation axial region 6b and climb 6.

In the pull head main body 220 of present embodiment 4, have: go up lower wing plate 221; The guide post 223 that the leading section of last lower wing plate is linked up each other; Extend the flange 224 that is provided with from the left and right sides lateral margin of upper flange 221 and lower wing plate; Erect the corpus unguis support 228 of the leading section upper surface side that is located at upper flange 221, between last lower wing plate 221, be formed with the chain tooth path of navigation of Y word shape.

On the corpus unguis support 228 of this pull head main body 220, stop corpus unguis 250 by pivot suspension swingingly up and down.In addition, this pull head main body 220 is drawn the setting-in slot part 229 of climbing anchor portion 231 setting-ins that keep body 230 being provided with than corpus unguis support 228 forward distolateral depressions to be used to make.And, on pull head main body 220, be formed with the pawl hole 227 of running through chain tooth path of navigation from the upper surface of upper flange 221.

And in addition, in the upper surface side of upper flange 221, depression is provided with and supplies the slide unit 240 sliding guidance groove 226 of setting-in slidably towards the place ahead from the rear end of upper flange 221.Sidewall is formed with the not shown guide part embedding slot of the not shown guide part setting-in that supplies slide unit 240 in the left and right sides of this sliding guidance groove 226; In addition, be formed with in the bottom of sliding guidance groove 226 and accommodate and keep helical spring not shown spring accepting groove.And, erecting the fastening sheet that is provided with about not shown in the rearward end of upper flange 221, this fastening sheet is by caulking to approaching each other direction, thus, plays a role as the stop part of slide unit 240.

Climb maintenance body 230 about drawing of present embodiment 4; Because this being drawn climb keeps the anchor portion 231 of body 230 to be inlaid in the setting-in slot part 229 that is formed on the pull head main body 220 from the place ahead; And; The part of pull head main body 220 is carried out caulking, thus, with the cantilever-shaped leading section that is fixed on pull head main body 220.

This draws to climb and keeps body 230 to have: the anchor portion 231 that erects from the leading section of upper flange 221; From these anchor portion 231 extensions crooked and that rearward extend portion 232 is set; Portion 232 is set to the bent free end 233 of upper flange 221 lateral bendings from this extension.Draw to climb at this and keep the following ora terminalis of body 230 to be formed with: make the portion of keeping out of the way 236 that 6 installation axial region 6b keeps out of the way of climbing of drawing; And the upper surface of upper flange 221 between form the resettlement section 237 of drawing the receiving space 11 of climbing 6 installation axial region 6b.

In addition, climb the end face 233a that keeps free end 233 sides in the body 230 drawing, be formed with the cross section of the fore-and-aft direction protuberance 234 of shape in the form of a substantially rectangular along the glide direction of slide unit 240.Under this situation, between the upper surface that draws the lower surface 233a that climbs the protuberance 234 that keeps body 230 and upper flange 221, be formed with to make to draw and climb the interspersed gap that 6 installation axial region 6b runs through insertion.And, keep the extension of body 230 to be provided with on the inwall of portion 232 drawing to climb, be used to clamp and keep the leaf spring maintaining part 238 of leaf spring 260 to be located at respectively and extend the front and rear that portion 232 is set.

Slide unit 240 in the present embodiment 4 has: form with the mode of when the upper surface side of upper flange 221 is slided, not interfering with pawl hole 227 and overlook the roughly main part 241 of U word shape; The outstanding lock portion 242 that is provided with on main part 241; Side-prominently on the front be arranged on the main part 241 than lock portion 242, preventing to draw and climb 6 installation axial region 6b from the place ahead lock portion 247 that receiving space 11 is deviate from; Be configured in the left and right sides side edge part of main part 241 and be inlaid in the not shown guide part in the guide part embedding slot of sliding guidance groove 226, between lock portion 242 and the place ahead lock portion 247, be formed with can accommodate draw climb 6 installation axial region 6b accommodate slot part 248.

In this slide unit 240,, can supplying to be formed on the mode that the protuberance 234 that keeps on the body 230 inserts of climbing of drawing, be provided with recess 245 accordingly with the position of protuberance 234 in keeping on the relative opposite face (upper surface) of body 230 with drawing to climb of lock portion 242.Under this situation; Drawing the end face 233a that climbs free end 233 sides that keep body 230 and being formed on the upper surface of protuberance 234 and the lock portion 242 in the slide unit 240 on this end face 233a and being formed between the recess 245 of this upper surface, in the left and right directions scope, be provided with and bend to jagged gap along the vertical direction.

The corpus unguis 250 that stops in the present embodiment 4 has: be journaled into the corpus unguis base end part 251 on the corpus unguis support 228 of pull head main body 220; Be branched off into two strands upper arm parts 252 and lower arm part 253 from corpus unguis base end part 251; The claw 254 that is formed on the front end of lower arm part 253, gives prominence to chain tooth path of navigation via the pawl hole 227 of pull head main body 220.

This stop corpus unguis 250 will move to drawing of receiving space 11 climb 6 installation axial region 6b and remain on lower arm part 252, between 253; Draw in operation and to climb at 6 o'clock; Climb 6 installation axial region 6b and mention through drawing, the claw 254 that stops corpus unguis 250 is kept out of the way from the chain tooth path of navigation of pull head main body 220 to the top.

Below, the order of pull head 210 of assembling present embodiment 4 is described.

At first, carry out assembling slide unit 240 and not shown helical spring operation on pull head main body 220.Specifically; Helical spring is inserted in the not shown spring accepting groove on the upper flange 221 that is formed on pull head main body 220; Next; Make the front end face 233a and the helical spring rear end butt of slide unit 240, slide unit 240 is inserted into sliding guidance groove 226 while compress this helical spring.

In addition, when inserting slide unit 240 in the sliding guidance groove 226, the not shown guide part of slide unit 240 is inlaid in the not shown guide part embedding slot of upper flange 221.And; After being inserted into slide unit 240 in the sliding guidance groove 226; Buckle also caulking to mutual approaching direction the not shown fastening sheet that erects the rearward end that is located at upper flange 221; Thus, slide unit 240 is being installed on the upper flange 221 with the mode that can slide under the state that is suppressed by helical spring.

Next, stop corpus unguis 250, draw and climb maintenance body 230 and leaf spring 260 having assembled slide unit 240 and 220 assemblings of helical spring pull head main body.Specifically, will stop corpus unguis 250 and be inserted into from the top on the corpus unguis support 228 of pull head main body 220, thus, this stops corpus unguis 250 with the mode pivot suspension that can swing up and down.On the other hand, draw the leaf spring maintaining part 238 of climbing on the inwall that keeps body 230 to clamp and keep leaf spring 260 being formed at.

And; Make and kept drawing of leaf spring 260 to climb the front end embedding setting-in slot part 229 of the anchor portion 231 of maintenance body 230 from pull head main body 220; Then, utilize stamping machine etc., and will draw to climb and keep body 230 caulking being fixed on the upper flange 221 from a part of conquassation of upper surface side with upper flange 221.Thus, draw to climb and keep body 230 to be assembled on the pull head main body 220.At this moment; Owing to being suppressed by helical spring, slide unit 240 is positioned at the sliding end that suppresses the direction side; So, be formed on and draw free end 233 and the interspersed gap between the upper flange 221 of climbing maintenance body 230 to become by the state of lock portion 242 lockings of slide unit 240.

As above-mentioned assembled on the pull head main body 220 stop corpus unguis 250, draw climb keep body 230, and leaf spring 260 after, carry out climbing 6 operation drawing to climb to keep installing on the body 230 drawing.Specifically; Climb 6 installation axial region 6b and be inserted into to be formed on to draw from rear side and climb the free end 233 that keeps body 230 and the interspersed gap between the upper flange 221 drawing; Through this installation axial region 6b the helical spring elastic force pressure of lock portion 242 opposing of slide unit 240 forwards is pressed into, make simultaneously draw climb 6 installation axial region 6b to draw climb in the portion of keeping out of the way 236 that keeps body 230 mobile.

Next; Insert to draw accommodating in the slot part 248 of the slide unit that moves to the sliding end that suppresses the direction side 240 and climb 6 installation axial region 6b, further make the place ahead lock portion 247 of slide unit 240 resist helical spring elastic force pressure and forwards be pressed into through this installations axial region 6b.Thus, make to draw and climb 6 installation axial region 6b and move to receiving space 11.At this moment, move to drawing of resettlement section 237 climb 6 installation axial region 6b and be directed and remain on the last lower arm part 252 that stops corpus unguis 250, between 253.

And; Climb 6 installation axial region 6b when moving in the resettlement section 237 making to draw; Because the pushing to slide unit 240 based on axial region 6b is installed is removed; So slide unit 240 is suppressed by helical spring and moves to the sliding end that suppresses the direction side, draw and climb the free end 233 that keeps body 230 and the interspersed gap between the upper flange 221 by lock portion 242 lockings of slide unit 240.Thus, can access to draw and climb 6 and be maintained to draw and climb the pull head 210 that keeps the present embodiment 4 on the body 230.

The pull head 210 of above present embodiment 4, same with previous embodiment 1 grade, owing to can make slide unit 240 not climb the free end 233 that keeps body 230 and slide swimmingly contiguously with drawing, so, can stably draw and climb 6 installation and dismounting.In addition; Climb the protuberance 234 that keeps on the body 230 and be located at the recess 245 on the slide unit 240 owing to be located to draw; Be formed on to draw and climb the gap bending along the vertical direction that keeps between body 230 and the slide unit 240, so, can prevent that thin foreign matters such as cloth from entering into this gap.

In addition; In the pull head 210 of present embodiment 4; For example can making, the size of the pull head length direction of pull head main body 220 and slide unit 240 increases; And, can be at the rear of the lock portion in the slide unit 240 242, be provided with as previous embodiment 3 illustrated, give prominence to the low auxiliary lock portion of aspect ratio lock portion 242 be set.

In addition, in the foregoing description 1～4 and variation, pull head has to draw on upper flange climbs the maintenance body, climbs the maintenance body but also can on lower wing plate, have to draw in addition.

The explanation of Reference numeral

5 helical springs

6 draw and climb

6a draws and climbs main part

6b installs axial region

10 pull heads

11 receiving spaces

12 interspersed gaps

13 gaps

14 gaps

17 clothes

20 pull head main bodys

21 upper flanges

21a layer difference portion

22 lower wing plates

23 guide posts

24 flanges

25 chain tooth path of navigation

26 sliding guidance grooves

26a guide part embedding slot

26b spring accepting groove

27 fastening sheets

30 draw and climb the maintenance body

31 anchor portion

32 extend the portion that is provided with

33 free ends

The 33a end face

34 protuberances

34a, 34b protuberance

35 recesses

40 slide units

41 main parts

42 lock portion

42a opposite face (upper surface)

43 guiding projecting strip parts

44 guide parts

45 recesses

45a, 45b recess

46 protuberances

50,51 pull heads

60 draw and climb the maintenance body

63 free ends

The 63a end face

64 protuberances

70 slide units

71 main parts

72 lock portion

72a opposite face (upper surface)

73 guiding projecting strip parts

74 guide parts

75 recesses

77 auxiliary lock portion

The 77a upper surface

The 77b recess

78 accommodate slot part

80 slide units

82 lock portion

The 82a upper surface

87 auxiliary lock portion

The 87a upper surface

Claims (6)

1. a slider for slide fastener (10,50,110,210), comprising: pull head main body (20,120,220) has last lower wing plate (21,121,221,22,122); Draw to climb to keep body (30,60,130,230), with cantilever-shaped be fixed on that said upper flange (21,121,221) is gone up and anchor portion (31,131,231) from said upper flange (21,121,221) erect, the said upper flange of free end (33,63,133,233) side direction (21,121,221) bending; Slide unit (40,70,140,240) is to climb the mode that the said free end (33,63,133,233) that keeps body (30,60,130,230) and the gap (12,112) between the said upper flange (21,121,221) open and close and can be configured in slidably on the said pull head main body (20,120,220) being formed on said drawing; Elastomeric element (5,105) suppresses said slide unit (40,70,140,240) to the locking direction of said gap (12,112); Draw and climb (6), remain on said drawing and climb on the maintenance body (30,60,130,230), said slide unit (40,70,140,240) has: main part (41,71,141,241) can be slidably mounted on the said pull head main body (20,120,220); Lock portion (42,72,142,242); Erect be located at that said main part (41,71,141,241) is gone up and said main part (41,71,141,241) move to said elastomeric element (5,105) suppress the sliding end of direction side the time with said gap (12,112) locking; Said slider for slide fastener (10,50,110,210) constitutes; Via said gap (12,112) can with said draw climb (6) with respect to said draw to climb keep body (30,60,130,230) to install and remove, it is characterized in that:

Said draw to climb keep body (30,60,130,230) to have: be formed on protuberance on the end face (33a, 63a, 133a) of said free end (33,63,133,233) side (34,34a, 34b, 64,234) or recess (35,135),

Said slide unit (40; 70; 140; 240) in said lock portion (42; 72; 142; 242) with said draw to climb keep body (30; 60; 130; 230) relative opposite face (42a; Have 72a): climb maintenance body (30 can supply said drawing; 60; 130; 230) said protuberance (34; 34a; 34b; 64; 234) recess (45 that the mode of inserting forms; 45a; 45b; 75; 245); Perhaps climb maintenance body (30 can be inserted into said drawing; 60; 130; 230) said recess (35; 135) protuberance (46 that the mode in forms; 146).

2. slider for slide fastener as claimed in claim 1 is characterized in that:

When said protuberance (34,34a, 34b, 46,64,146,234) is inserted in the said recess (35,45,45a, 45b, 75,135,245); Between said protuberance (34,34a, 34b, 46,64,146,234) and said recess (35,45,45a, 45b, 75,135,245) and in pull head width scope, be provided with gap (13)

Said gap (13) bends to zigzag along the pull head short transverse.

3. slider for slide fastener as claimed in claim 1 is characterized in that:

Said slide unit (70) has:

Auxiliary lock portion (77); Erect be located at compare with the said lock portion (72) of said main part (71) by suppressing the direction side; When sliding, can or said gap (12) be narrowed down with (12) locking of said gap making said slide unit (70) resist the elastic force pressure of said elastomeric element (5);

Accommodate slot part (78), be configured between said lock portion (72) and the said auxiliary lock portion (77), can accommodate the said installation axial region (6b) of climbing (6) that draws.

4. slider for slide fastener as claimed in claim 3 is characterized in that: said auxiliary lock portion (77) is set to such an extent that be lower than the projecting height of said lock portion (72) from said upper flange (21) from the projecting height of said upper flange (21).

5. slider for slide fastener as claimed in claim 1 is characterized in that: said drawing climbed the said free end (33,133) that keeps body (30,130) and compared to suppressing the direction side with the position of the said lock portion (42,142) that moves to the said said slide unit (40,140) that suppresses the sliding end of direction side and extend setting.

6. a slider for slide fastener (50), comprising: pull head main body (20) has last lower wing plate (21,22); Draw to climb to keep body (60), with cantilever-shaped be fixed on that said upper flange (21) is gone up and anchor portion (31) from said upper flange (21) erect, the said upper flange of free end (63) side direction (21) bending; Slide unit (70,80) is to climb the mode that the said free end (63) that keeps body (60) and the gap (12) between the said upper flange (21) open and close and can be configured in slidably on the said pull head main body (20) being formed on said drawing; Elastomeric element (5) suppresses said slide unit (70,80) to the locking direction of said gap (12); Draw and climb (6), remain on said drawing and climb on the maintenance body (60), said slide unit (70,80) has: main part (71) can be slidably mounted on the said pull head main body (20); Lock portion (72,82); Erect be located at that said main part (71) is gone up and said main part (71) move to said elastomeric element (5) suppress the sliding end of direction side the time with said gap (12) locking; Said slider for slide fastener (50) constitutes; Via said gap (12) can with said draw climb (6) with respect to said draw to climb keep body (60) to install and remove, it is characterized in that

Said slide unit (70,80) has:

Auxiliary lock portion (77,87); Erect be located at compare with the said lock portion (72,82) of said main part (71) by suppressing the direction side, when sliding, can or said gap (12) being narrowed down with (12) locking of said gap making said slide unit (70,80) resist the elastic force pressure of said elastomeric element (5);

Accommodate slot part (78), be configured between said lock portion (72,82) and the said auxiliary lock portion (77,87), can accommodate the said installation axial region (6b) of climbing (6) that draws.

Images