CN1251630C

CN1251630C - Zipper

Info

Publication number: CN1251630C
Application number: CNB021323364A
Authority: CN
Inventors: 岩濑祐一; 槻庆一
Original assignee: YKK Corp
Current assignee: YKK Corp
Priority date: 2001-09-25
Filing date: 2002-09-24
Publication date: 2006-04-19
Anticipated expiration: 2022-09-24
Also published as: EP1295542B1; US20030056342A1; CN1410017A; EP1295542A2; JP3733309B2; JP2003093116A; EP1295542A3; KR100478643B1; HK1061336A1; ES2462533T3; TW589163B; KR20030026851A

Abstract

A slide fastener with a pull rotated type slider, which allows starting operation of the slider to be executed smoothly and easily. A U-shaped guide lever (10), which allows the pull (7) to move around, is disposed along a top face, a front face and a bottom face of a body (9) of the slider. The U-shaped guide lever (10) includes a pull guide portion (11) with T-shaped section provided on a part thereof and a guide face (12) for an upper stopper (4) is formed in an inner edge of the pull guide portion (11) disposed on the front face of the body (9) by forming a portion which the upper stopper (4) mounted on a fastener chain (1) comes into sliding contact with, in an arc face or an inclined face. Consequently, even if the U-shaped guide lever (10) and the upper stopper (4) come into contact with each other, the upper stopper (4) can be guided smoothly by the guide face (12), thereby the slider being started easily.

Description

Slide fastener

Technical field

The present invention relates to a kind of handle rotation type slide head of slide fastener, wherein the handle of slide head can turn to front and bottom surface from the end face of a body, and the last backstop that is arranged on the locking chain is relative with this handle rotation type slide head.

Background technology

In traditional known handle rotation type slide head in slide fastener, be arranged on the body so that the U-shaped guide post that guides a handle to turn to its front and bottom surface from the end face of this body forms and have T section.In addition, be used for guiding the T shape targeting part of handle to be configured to like this: the inner surface in its bight is rendered as the right angle.Such as, according to disclosed handle rotation type slide head in the utility model application publication number 38-7934 of Japan, as shown in Figure 13, the inner surface that is positioned at U-shaped guide post 110 bights that are arranged on the body 119 forms the right angle, and the interior connector 118 of sensing that is arranged on the handle 117 front end both sides is assemblied in wherein.

Be arranged on the last backstop on the locking chain, adorn slidably thereon with the handle rotation type slide head that aforementioned manner forms, should go up backstop was not the last backstop with given shape, but backstop or have the last backstop of the metal in U-shaped cross section on the rectangle of making by a kind of normally used thermoplastic resin.Like this, it just is not especially corresponding to the last backstop of the U-shaped guide post of handle rotation type slide head.

Slide fastener of the present invention is connected to the oral area of the preceding pocket of clothes such as band cap jacket, as shown in Figure 2, thereby can be used by ground, two sides, but and when it was used for allowing clothes adapt to the pocket of using on the two sides, this slide fastener is easily.Therefore,, be mounted to closure state more or less with respect to the locking belt on the front end of last backstop if slide fastener is connected to the edge of pocket oral area and is used by two sides ground, as shown in Figure 3, such as so that form the pocket of a good appearance.

Under the situation of the handle rotation type slide head of aforementioned conventional and last backstop, if having this state, slide fastener is opened or closure, when operation handle rotation type slide head, be opened to open mode from its closure state, the last backstop of locking chain touches the inner surface that has the targeting part 111 of T section on the U-shaped guide post 110 of handle rotation type slide head, to start in order opening smoothly or to handle the slide head difficulty that becomes thereby make.

Because the problems referred to above, drawn the present invention, and a main purpose of the present invention provides a kind of slide fastener, wherein handle rotation type slide head and/or last backstop comprise a targeting part, going up backstop and guide post when slide fastener is closed keeps contacting with each other, this targeting part is used for when operating handle rotation type slide head so that opening locking chain, guide backstop and the guide post in handle rotation type slide head on the direction away from each other with the sliding-contact state, thereby guaranteeing the starting of level and smooth opening operation.

Except that this purpose, another object of the present invention provides a kind of slide fastener, even wherein on front end, be arranged to closure state with respect to two locking belts of last backstop that are installed on the locking chain, that is to say, they are close to each other, too much contact between guide post and last backstop can be easy to decontrol, thereby can begin the opening operation of handle rotation type slide head smoothly.Further, another purpose provides a kind of slide fastener, and it can obtain the level and smooth opening operation of handle rotation type slide head, and it comprises a handle rotation type slide head, this handle rotation type slide head allows its handle to rotate safely, and can not detach from guide post by targeting part.

Summary of the invention

To achieve these goals, according to the present invention, a kind of slide fastener is provided, it comprises the handle rotation type slide head of the locking chain that can open or close in the slide fastener, and this slide head has the guide post that protrudes continuously on the end face of the body of its slide head, front and the bottom surface, wherein this handle rotation type slide head and/or last backstop comprise a spigot surface, this spigot surface is used for guiding guide post and the last backstop that is maintained at the state of contacting with each other when locking chain is closed, when opening locking chain with box lunch, realize between guide post and the last backstop sliding-contact with separate.

Use a kind of like this structure, may obtain a kind of slide fastener, wherein, when wanting to open the locking chain that is in closure state, this handle rotation type slide head can start very smoothly, and further easily carries out opening operation.

Be more preferably, be arranged to like this at the locking belt of front end one side with respect to the last backstop that is connected on the locking chain: they curve inwardly, and promptly are closure state.According to this structure of the present invention, even the front end of locking chain relatively is arranged to closure state, this handle rotation type slide head also can start smoothly and can carry out opening operation smoothly, thereby but finishes the slide fastener of the best of the product of using for the two sides.

Further, in the handle rotation type slide head on being located at locking chain, be preferably, handle targeting part with T section is integrally formed continuously along guide post, and the inward flange that is contained in the handle targeting part on the locking chain comprises that one is used for the spigot surface of backstop, and this spigot surface forms a cambered surface or an inclined-plane.Form of implementation as an alternative, the last backstop that is contained on the locking chain may comprise that one is used for the spigot surface of guide post, forms cambered surface or inclined-plane on the outward flange bight of this spigot surface backstop on contacted with the guide post of handle rotation type slide head.Because use so a kind of structure, the handle rotation type slide head that is arranged on the locking chain can start very smoothly.

Further, be preferably, be located at the spigot surface that is used for backstop on the handle targeting part in the guide post of handle rotation type slide head and be arranged on the inward flange of handle targeting part of the front of this body, perhaps be set in place on this handle targeting part on the front of this body and inward flange last backstop sliding-contact.According to this configuration, can easily provide by corresponding rapidly this handle rotation type slide head of going up the moulding of backstop.

Further, be located on the handle targeting part in the guide post of handle rotation type slide head the spigot surface that is used for backstop its cardinal extremity have can with the level maintenance face of connector sliding-contact.According to this configuration, in the handle rotation type slide head in being inserted into locking chain, handle can be remained in the guide post so securely, so that it never comes off, and simultaneously, this handle can be easily around moving.

Brief description of drawings

Fig. 1 is the front view of slide fastener,

Fig. 2 is to use the front view of the clothes of slide fastener,

Fig. 3 is the front view of the service condition of expression slide fastener,

Fig. 4 is the front view of handle rotation type (pull rotated type) slide head (slider),

Fig. 5 is the side view of identical handle rotation type slide head,

Fig. 6 is the profile of the same handle rotation type slide head got of the VI-VI line in Fig. 4,

Fig. 7 is the profile of the forepiece (front piece) of guide post (guide lever),

Fig. 8 is a profile, an improvement form of the forepiece of the guide post that drawn,

Fig. 9 is the front view that a part is cut open, drawn to be located at the interior starter mechanism (starting mechanism) of guide post,

Figure 10 is a side view, an improvement form of having drawn handle rotation type slide head,

Figure 11 is the front view that a part is cut open, drawn to be located at guide post interior a starter mechanism and last backstop,

Figure 12 is the front view that a part is cut open, drawn to be located at a starter mechanism on the backstop (upper stopper),

Figure 13 is the front view of a known handle rotation type slide head.

The description of preferred embodiment

Below, will the embodiment of slide fastener of the present invention be described with reference to the accompanying drawings.

But slide fastener of the present invention is the two sides uses (reversible) slide fastener, and it is used on the pocket B of clothes A of as shown in Figure 2 band cap jacket and so on.This slide fastener is a kind of known slide fastener, for example, in the slide fastener shown in Fig. 11, locking member (fastener element) 3, last backstop 4 and following backstop (lower stopper) 5 use such as polyacetals, polyamide, polypropylene, polybutylene terephthalate or similarly thermoplastic resin is molded along the lateral edges one of locking belt (fastenertape) 2 by injection moulding method, so that make slide fastener.Simultaneously, locking member can be the linear locking member of the zigzag made by synthetic resin monofilament or single hardware.

As shown in Fig. 4-6, but in the handle rotation type slide head 6 that known two sides is used, in order to form such handle 7, i.e. can detour from the end face of body 9 its front and bottom surface of handle, wherein go up plate 15 and be connected by a square 17 with following plate 16, a U-shaped guide post 10 that presents the letter U shape fully is installed on the body 9.This U-shaped guide post 10 is installed like this, so that under the situation that this U-shaped guide post 10 can move forward and backward a little, it is enclosed in the last plate 15 of body 9 and the upright assembling post 22 of back oral area of following plate 16.As a result, by shaking hands 7 along the fore-and-aft direction pulling, this U-shaped guide post 10 is moved.

One sunk part 21 is arranged on the front of square 17 of body 9, so that hold the hook-like part 31 of check lock lever 28.Further, a patchhole 24 is horizontally installed on the middle part of this square 17, and a spring 33 is assemblied in wherein, so that push down the hook-like part 31 of this check lock lever 8.The back oral area of the last plate 15 of close body 9 is made a ratchet holes 23, and the locking ratchet 29 of check lock lever 28 is engaged in wherein.This locking ratchet 29 can move into or shift out the gathering sill 20 of locking member 3.

In this handle rotation type slide head 6, use metal such as aluminium alloy, kirsite etc., be individually formed this body 9 and U-shaped guide post 10 respectively by die casting, make handle 7 by the pressed metal plate.Afterwards, assembling handle rotation type slide head 6.

The inner surface of U-shaped guide post 10 forms T section.For example, as shown in Figure 7, in the forepiece 39 of the U-shaped guide post 10 on the front that is arranged on body 9, the mediad of T shape handle targeting part 11 is projecting inward, thereby form a cam 25, upper-part 37 and lower member 38 each the handle targeting part 11 central authorities one groove 13 is provided.The top of this check lock lever 28 that is supported by body 9 is fitted in the groove 13 of upper-part 37, and outstanding protruding row 19 fits in the groove 13 of lower member 38 on a surface of the lower plate 16 of body 9.

This check lock lever 28 is completed into extend basically inverted U-shaped, and at one end is provided with locking ratchet 29, is provided with the hook-like part of growing than locking ratchet 29 31 at the other end.One pin-and-hole 32 is located at the base portion of hook-like part 31, so that with a pin 34 check lock lever 28 is supported on the body 9, makes it to freely swing.One projection piece 30 is located at the upside of hook-like part 31 highlightedly, and this projection piece 30 is assembled in the elongated hole 26 that is located in the U-shaped guide post 10, thereby restriction check lock lever 28 is along the swing of fore-and-aft direction.When moving forward U-shaped guide post 10 with handle 7, this projection piece 30 is pushed down by the marginal portion of elongated hole 26.As a result, make the elastic force of locking ratchet 29 antagonistic springs 33, from gathering sill 20, float, thereby this handle rotation type slide head 6 can slide along closing direction.

If handle rotation type slide head 6 slides along opening direction, by pulling handle 7, U-shaped guide post 10 oral area backward moves, simultaneously, hook-like part 31 increases pressure by cam 25 pressing springs 33 and to spring 33, thereby locking ratchet 29 is floated from gathering sill 20.As a result, handle rotation type slide head 6 can be slided.Usually, handle rotation type slide head is operated as described above.

Slide fastener of the present invention is characterised in that provides a starter mechanism, and when slide fastener was used for mode that the end of locking belt 2 is closed as shown in Figure 3, this mechanism allowed handle rotation type slide head 6 to start along the directional smoothing ground that locking chain 1 is opened.Be positioned at traditional slide fastener under the situation of the state shown in Fig. 3, be contained in the front end of the last backstop 4 on the locking chain 1 and contact with the bight of handle targeting part 11 in U-shaped guide post 10, this U-shaped guide post is arranged in the handle rotation type slide head 6.As a result, the slip of handle rotation type slide head 6 is prevented from and the starting of the slide head difficulty that becomes.

First embodiment according to the starter mechanism in handle rotation type slide head 6 of the present invention, as shown in Figure 5, in the U-shaped guide post 10 on being arranged on body 9 peripheries, except upper-part 37 and lower member 38, an inclined-plane of the inward flange of the handle targeting part 11 in the part 39 part forwardly, quilt is cut out as shown in Fig. 7 and 9, thereby is formed for the spigot surface 12 of backstop.

The handle targeting part 11 of U-shaped guide post 10 forms T shape cross section, and inner edge portion branch formation one inclined-plane of the targeting part 11 of should shaking hands, thereby spigot surface 12 is provided.One is used for keeping in level the maintenance face 14 of handle 7, itself and the front end sliding-contact that is formed on each the L shaped connector 8 in the handle 7, this maintenance face is formed on the cardinal extremity of spigot surface 12, thereby keeps handle 7 securely, and prevents to shake hands 7 to detach in U-shaped guide post 10 forward.Simultaneously, in Fig. 7, can be as shown in Figure 8 cambered surface for the spigot surface 12 on inclined-plane.This arc guide surface 12 forms like this, that is: its end from upper-part 37 or lower member 38 is expanded gradually towards forepiece 39.

By in handle targeting part 11, such spigot surface 12 being set, even the last backstop 4 that is contained on the locking chain 1 has traditional shape, so when power direction shown in the arrow in Fig. 9 is applied on the handle targeting part 11, last backstop 4 also can easily be guided to the left and right and opened by being located at the interior spigot surfaces 12 of handle targeting part 11.As a result, handle rotation type slide head can start smoothly.Simultaneously, the fulcrum along 7 pull operation of the handle of the closing direction of handle rotation type slide head 6 is the P point of indicating among the figure.

Second embodiment according to starter mechanism, even the part of the forepiece 39 by cutting away the U-shaped guide post 10 on the periphery that is located at body 9 forms spigot surface 12, for example, it only is a part of cutting away and being contained in last backstop 4 sliding-contacts on the locking chain 1, thereby determine as shown in Figure 10 an inclined-plane or a cambered surface, this handle rotation type slide head 6 also can be started smoothly.

The 3rd embodiment according to starter mechanism, as shown in Figure 11, by cutting away the inward flange part of the handle targeting part 11 in the forepiece 39 of U-shaped guide post 10, as shown in Figure 11, thereby determine an inclined-plane or a cambered surface and be formed for the spigot surface 12 of backstop.Further, on being contained in locking chain 1 in the backstop 4, by cutting away the targeting part 35 that the bight that contacts with the handle targeting part 11 of U-shaped guide post 10 in the handle rotation type slide head 6 is formed for U-shaped guide post 10.As a result, by the sliding-contact between this spigot surface 12 and this targeting part 35, this handle rotation type slide head 6 can be started smoothly.

According to the 4th embodiment of this starter mechanism, as shown in Figure 12, the upper-part 37 of the U-shaped guide post 10 in handle rotation type slide head 6, lower member 38 and forepiece 39 form has traditional moulding, has the inner surface that forms the right angle.Be installed in the bight of the last backstop 4 that contacts with handle targeting part 11 U-shaped guide post 10 on the locking chain 1, cut into a wide inclined-plane or a cambered surface of outwards protruding from the outward flange of handle targeting part 11, thereby be formed for the targeting part 35 of U-shaped guide post 10.As a result, this handle rotation type slide head 6 can be started smoothly.

As mentioned above, slide fastener of the present invention has multiple starter mechanism.Therefore, that yes is utilizable for traditional behaviour in service, even and the end of locking chain 1 because usage as shown in Figure 3 and closure, this handle rotation type slide head 6 also can be started smoothly, and further, but it can easily change over the slide fastener that a two sides is used.

Claims

1. one kind has and is used to open or the slide fastener of the handle rotation type slide head (6) of closed and locked chain (1), and this handle rotation type slide head has from the end face of its body (9), the guide post (10) that protrudes continuously on front and the bottom surface, it is characterized in that, at least one of this handle rotation type slide head (6) and last backstop (4) comprise a spigot surface (12,35), this spigot surface (12,35) be used for guiding last backstop (4) and the guide post (10) that when closed and locked chain, remains on the state of contacting with each other, when separating locking chain with box lunch, the sliding-contact between backstop in the realization (4) and the guide post (10) and separately.

2. according to the slide fastener of claim 1, it is characterized in that the left and right end portions of the locking chain (1) on that side that is connected with backstop (4) of locking chain (1) is provided with in such a way, that is: this end is close to each other.

3. according to the slide fastener of claim 1, it is characterized in that, this handle rotation type slide head (6) has a handle targeting part (11), this handle targeting part has along the continuous T section of guide post (10), and this handle targeting part (11) has the spigot surface (12) that is used for backstop (4), and this spigot surface (12) edge within it forms a cambered surface or inclined-plane.

4. according to the slide fastener of claim 1, it is characterized in that backstop on this (4) comprises the spigot surface (35) that is used for guide post (10), this spigot surface (35) forms a cambered surface or inclined-plane on itself and the contacted outer peripheral bight of guide post (10).

5. according to the slide fastener of claim 3, it is characterized in that the described spigot surface (12) that is used for backstop (4) is formed on the inward flange that is positioned at the handle targeting part (11) on body (9) front.

6. according to the slide fastener of claim 3, it is characterized in that the described spigot surface (12) that is used for backstop (4) is formed on this handle targeting part (11) and the inward flange last backstop (4) sliding-contact on the front that is arranged on body (9).

7. according to the slide fastener of claim 3, it is characterized in that the described spigot surface (12) that is used for backstop (4) has the level that is positioned at its cardinal extremity and keeps face (14), connector (8) sliding-contact of this maintenance face (14) and handle (7).