TW201225872A - Slide fastener - Google Patents

Abstract

In this slide fastener (1, 80), a fragile section (15, 86) is provided to an element row (12), and it is possible to detach the element row (12) in an engaged state from the fragile section (15, 86) and to separate first and second fastener stringers (10a, 10b). Lateral withdrawal prevention sections (30, 71, 72, 73, 74, 84) are arranged on the second fastener stringer (10b). The lateral withdrawal prevention sections (30, 71, 72, 73, 74, 84) have a larger thickness, for preventing lateral withdrawal, than the spacing of a tape insertion and passage gap of a slider (50). The lateral withdrawal prevention sections (30, 71, 72, 73, 74, 84) have at least one small-width section (32, 71b, 72b, 72d, 73b, 74b) at a portion provided with a thickness for preventing lateral withdrawal. Even when the slide fastener (1, 80) receives a lateral pulling force, the lateral withdrawal prevention sections (30, 71, 72, 73, 74, 84) are thereby held in the slider (50), and a closed state can be maintained. It is also possible, when the element row (12) is detached from the fragile section (15, 86), to pull out the lateral withdrawal prevention sections (30, 71, 72, 73, 74, 84) from the slider (50) in a smooth manner.

Description

201225872 VI. Description of the Invention: [Technical Field] The present invention relates to a brittle portion in which a partial reduction of meshing force is arranged on a chain of teeth, and the right and left key belts can be removed from the brittle portion Separate zipper. [Prior Art] For example, in the International Publication No. 2006/103438 (Patent Document 1), a zipper that can quickly disengage the left and right element rows and separate the left and right chain belts is disclosed. Such zippers are sometimes referred to as emergency open zippers and can be used for life jackets and the like. Hereinafter, the zipper disclosed in Patent Document 1 will be described with reference to Fig. 9 . In the following description, the length direction of the chain cloth of the chain cloth is defined as the front-rear direction, and in particular, the direction in which the sliding member slides is set to the front so that the left and right element teeth are meshed with each other. The meshing manner is such that the direction in which the slider slides is set to the rear. Further, the chain cloth width direction of the chain cloth is defined as the left and right direction, and the left side when the zipper is viewed from the front side is set to the left side, and the right side is set to the right side. Further, the front and back directions of the chain cloth of the chain fabric are defined as the up-and-down direction, and the side on which the slider of the slider is disposed on the chain cloth surface of the chain cloth is set to the upper side, and the opposite side is set to the lower side. The zipper 90 disclosed in Patent Document 1 includes a pair of right and left key belts 91 which are formed with the chain side edge portion of the left and right chain cloth 92 formed with a chain element row %, and a slider 94 which is slidable along the element tooth row 93. a mounting manner; a stopper 95 disposed on one end side (front end side) of the element row 93 on the right side chain cloth 92; and an opening and closing pressure 154317.doc 201225872 buckle 96, which is disposed on the chain of the left and right chain cloth 92 The other end side (rear end side) of the tooth row 93. In the zipper 90, a core portion 92a is disposed on the opposite side edge of the left and right chain cloth 92, and a plurality of fastener elements 93a are attached to the chain side edge portion of the chain cloth 92 including the core portion 92a at predetermined intervals. Thereby, a chain row 93 is formed. Further, the left and right element rows 93 are provided with a brittle portion 93b by intentionally removing the distance between the predetermined number of teeth 93a. Further, a stopper 95 is disposed on the front end side of the element row 93 on the right side chain belt 91, but a stopper 95 is not disposed on the front end side of the element tooth row 93 on the left side chain belt 91. Further, the front end of the left sprocket row 93 is located further on the rear side than the front end of the right sprocket row 93, and the left sprocket row 93 is formed shorter than the right sprocket row 93. In this case, the sprocket 93a disposed on the most distal end side of the left sprocket row 93 (hereinafter, the sprocket is marked as the front sprocket) is attached to the front end position where the slider 94 is slid to abut against the stopper 95. When it is stopped afterwards, one of the front end fastener elements 93a is housed in the element guide path of the slider 94. '**.................... ............. Set. . . ....... The opening and closing pressure buckle 96 of the zipper 90 includes: a latch 96a that is fixed along the element row 93 to the rear end of the left side chain belt 91; 96b, which is fixed to the end portion of the right side chain belt 9丨 along the element row 93 so as to oppose the pin 96a; and the tail barrel 96c, which is disposed integrally with the barrel pin 96b in the barrel pin 96b Lower end. In the zipper 9 of Patent Document 1 having the above-described configuration, the left and right element rows 93 are engaged by sliding the slider 94 toward the stopper 95 to slide the slider 94 to and from the stop. When the 95 phase abuts the front end position, 154317.doc 201225872 can completely close the left and right key belts 91. Further, when the slider 94 is slid to the front end position and then stopped, the portion of the distal end side sprocket 93a disposed on the distal end side of the left sprocket row 93 is housed in the element guide path of the slider 94. The left and right chain belts 91 are separated from the front end side of the element tooth row 93. On the other hand, in the zipper 9 of the patent document 1, since the brittle portion 9 3 b ' is provided in one of the left and right element rows 9 3 , the left and right chain belts 91 are strongly stretched in the direction away from each other. In the case of the lateral tensile force, the brittle portion 93b is opened, and the left and right key teeth 93a adjacent to the brittle portion 93b are released from the front and rear directions in the longitudinal direction of the chain fabric, thereby gradually separating the left and right key row 93. Then, when the left and right element rows 93 are released to the distal end portion, the left end distal end teeth 93a that accommodate a part of the element guide passage of the slider 94 are pulled out from the engagement opening of the slider 94. Further, when the left and right element rows 93 are released until the rear end portion is stopped, the plug 96a is pulled out from the open end cylinder 96c. Thereby, the left and right chain belts 91 can be completely pulled apart. In the zipper 90A of Patent Document 1, the left and right element rows 93 are separated from the brittle portion 93b as described above, and the left and right chain belts 91 are completely pulled apart. Thus, the zipper 9 is opened by the sliding of the slider 94, and In contrast, the left and right chain belts 9 can be simply and quickly pulled apart. Therefore, the pull key of the patent document j is particularly effective for use in a pull link product such as a life jacket which requires a quick response in an emergency. However, the zipper is now being further expanded in its use and installed in various fields. For example, Japanese Patent Application Laid-Open No. 84313 No. 843317. doc 201225872 (Patent Document Publication discloses the use of a zipper to be attached to a pair of trousers. The composition of the trousers disclosed in Patent Document 2 is as follows, that is, in the basin left In the money department, a zipper is attached from the upper end portion of the waist portion of the sweatpowder to the lower end portion of the hem side. According to the sweatpants of the patent document 2, the sliders of the zipper attached to the left and right legs are slid to make the zippers The chain belt is separated, whereby the sweatpants can be opened from the pants form into the front body portion and the back body portion; and the front body portion and the back body portion are separated from each other by the left and right legs. The sliding member of the zipper slides and recloses the left and right chain belts to be connected, so that the sports pants can be restored to the original pants form. The sports pants of Patent Document 2 having such a configuration are in a state in which the left and right side zippers are closed. It can be worn or detached in the same manner as the conventional ordinary trousers. In addition, the trousers separate the left and right chain belts of the zipper into the front body and the back body, thereby even putting on the competition. In the state of running shoes, etc., it is also possible to undress in this state. The prior art document: Patent Document 1: Patent Document 1: International Publication No. 2006/103438 Manual Patent Document 2: Japanese Patent Publication No. Hei-4-84313 The problem to be solved is as in the case where the zipper is used in a pair of pants as disclosed in Patent Document 2, and a zipper of, for example, Patent Document 1 is used as a zipper attached to the pants, whereby the left and right chain belts can be self-set in the chain of the zipper. The brittle portion of the tooth row is simple and the 154317.doc 201225872 is quickly separated, so that the sweatpants are detached more simply and quickly than before. However, in the zipper 90 of Patent Document 1, the slider 94 is slid to the stop 95. When the front end position is completely pulled up, the left side chain belt 91 not having the stopper 95 is disposed, and the core line portion 92a exposed to the front side of the element tooth row 93 is accommodated in the chain guide of the slider 94. At this time, when the end portion of the stopper 95 side of the zipper 90 is subjected to a lateral pulling force or the like, the exposed core portion 92a collides with or rubs against the side flange of the slider 94 to be damaged. The core portion 92a' has a problem of reducing the durability of the zipper 9. However, in the case where the zipper is used for the trousers, the zipper opening and closing pressure snap is disposed on the hem side for easy zipper operation. The lower end portion is disposed at the upper end portion of the waist side. Therefore, when the fastener element rows of the slide fastener are engaged to maintain the pants shape, the slider of the slide fastener is disposed at the waist portion abutting against the stopper. When the sweatpants are worn or detached, the waist portion of the sweatpants is stretched to apply a tension in the waist direction to the waist portion. Therefore, each time the pants of the pants form are worn, the zipper is provided with the slider. The stopper side end portion is repeatedly applied with a large lateral pulling force. Therefore, when a pull button such as the one described in the patent document is used as the zipper attached to the pants, for example, as described above, the zipper is stopped when the pants are worn off. The side ends are subjected to a large lateral tension. Here, in the zipper 9 of the patent document i, when the left and right chain belts 91 are in the closed state, one of the end spurs 93a is disposed in the slider 94 at the foremost end side of the left sprocket row 93 as described above. The sprocket guides the road. Therefore, even if the end of the stopper 95 side of the zipper 90 is subjected to the lateral pulling force, it can be dimensioned 154317.doc

S 201225872 Holds the closed state of the chain belt 91 until the lateral tension reaches a certain level. However, when the end portion of the zipper 90 side of the zipper 90 is subjected to a large lateral pulling force, the orientation of the slider 94 is inclined, and the sprocket guide path of the bone member 94 is accommodated in this case. The front end chain tooth...the self-sliding member is called the splicing port. The side is pulled out', and the result of the right and left side chain tooth row 93 is forcibly released from the front end side. As a result, the left and right chain belts 91 of the zipper 90 are contrary to the user's wishes. There is a problem that the shape of the pants cannot be maintained. Further, when the end portion of the stopper 95 side of the zipper 90 is subjected to a large lateral pulling force as described above, the front end key 93a of the front end key 93a of the slider 94 is partially attached to the side flange of the slider 94. Received a large force (load). At this time, the contact area between the front end sprocket 93a and the chain cloth 92 is small, and the fixing strength of the front end sprocket 93& Therefore, when the front end key squeegee is under heavy stress from the side flange of the slider, the front end sprocket 93& detachment chain cloth 92 has a problem that the closed state of the chain belt 91 cannot be maintained. Further, when the zipper 9 of Patent Document 1 is attached to the sweatpants, when the left and right chain belts 91 are separated from the brittle portion 93b provided in the element row 93, there is also a chain guide accommodated in the slider 94. The problem that the front end sprocket 93a in the guide path is detached from the sash 92 is easy to fall off. In the zipper 90 of the patent document 1, when the left and right fastener tapes 91 are separated from the brittle portion 93b, for example, one of the fastener tapes 91 is stretched in the oblique direction, and the slide fastener 91 may be stored in the slide. The front end sprocket 93a of the element guide path of the member 94 is caught by the side flange of the slider 94. At this time, the fixing strength of the front end sprocket 93a to the chain cloth 92 is 154317.doc 201225872, and the front end sprocket 93a is caught on the side flange of the slider 94, whereby the front end sprocket 93a is from the side. Since the flange is subjected to a large load, it is easy to cause the front end fastener element 93a to come off the chain cloth 92 and fall off. The present invention has been developed in view of the above-mentioned problems, and a specific object thereof is to provide a zipper that can stably maintain the left and right chain belts even if the zipper is subjected to a lateral pulling force in a state where the slider is stopped at the upper end side end position. In the closed state, the 'left and right chain belts can be separated without breaking the constituent members of the zipper when the left and right chain belts are separated from the brittle portion. The technical means for solving the problem is to achieve the above-mentioned purpose. The most important feature is that a pair of left and right first and second chain belts are attached to the side edge portions of the pair of second and second chain fabrics, and the pair of first and second chain belts are arranged along the key teeth. a slider for sliding the slide, a stopper disposed on one end side of the element row on the first link, and at least one of the meshing force disposed on the element row and partially reducing or eliminating the left and right rows of the element rows In the brittle portion, the slider includes a substantially γ-shaped element guide passage between the upper and lower blades, and a chain insertion gap of the first and second links is formed at a side edge portion of the slider. 'Making in meshed state The fastener element row is separated from the brittle portion to pull the first and second chain belts apart; and the second chain belt is disposed at one end side of the element tooth row with a lateral disengagement preventing portion; The detaching portion is provided with a thickness that prevents the lateral disengagement from being larger than the dimension of the chain cloth in the forward and reverse directions of the chain cloth insertion gap, so as to prevent the first and second key belts in the closed state from being subjected to the lateral pulling force. The second chain cloth is pulled out from the key tooth guiding path of the slider through the chain insertion gap; the 154317.doc 201225872 lateral releasing portion is a portion having a thickness that prevents lateral disengagement. The method includes reducing at least one narrow portion of the dimension in the width direction of the chain cloth. In the zipper of the present invention, it is preferable that the narrow portion is disposed in the lateral disengagement portion to form a slit to form β in the (four), and preferably the narrow (four) from the lateral disengagement portion. The side edge of the inner side is disposed along the width direction of the chain, and it is particularly preferable that the slit width in the end portion on the opening side of the slit is narrowed. Further, the slit may be disposed in the chain width direction from the end edge of the lateral disengagement preventing portion on the side opposite to the stopper. In the zipper of the present invention, it is preferable that a core wire # is disposed on a chain edge side edge of the second and second chain fabrics, and at least a portion of the core wire portion disposed in the second chain fabric is embedded in the lateral prevention zone Inside the department. Further, it is preferable to set the length of the lateral lateral disengagement portion to be larger than the interval from the rear end position of the self-guide column to the position of the engagement opening in the slider, and to set the size to be stopped relative to the above. The slider of the stopper side end portion can be housed in the element guide passage. Furthermore, it is preferable to include a deformation restricting mechanism that limits the amount of elastic deformation of the lateral disengagement preventing portion to a predetermined range. Further, in the zipper of the present invention, the narrow portion may be configured by arranging a concave portion in the lateral detachment preventing portion. In the zipper towel of the present invention, it is preferable that the dimension of the chain width direction of the ridge W in the lateral blocking portion is set smaller than the dimension of the chain cloth in the front and back directions of the lateral releasing portion. Further, in the zipper of the present invention, preferably, the upper flange 154317.doc -11-201225872 of the slider includes parallel portions arranged in parallel with each other on the engagement opening side of the slider, and one end from the parallel portion An inclined portion that protrudes from the left and right side flanges toward the introduction port; the narrow portion of the lateral disengagement portion is opposite to the slider stopped at the end portion of the stopper side It is disposed in a range of a longitudinal direction of the chain in the inclined portion of the upper and lower flanges. Further, it is preferable that the above-mentioned lateral disengagement portion in the slide fastener of the present invention has a flat surface on a side surface opposite to the stopper. Further, in the invention, it is preferable that the lateral disengagement preventing portion includes a protruding portion that protrudes toward the first chain cloth, and a false portion is disposed between the stopper on the first chain cloth and the element tooth row. The fastener element includes: a body name p fixed to the first chain cloth; and a protrusion extending from the main body portion toward the lateral release portion of the second key band and the element row; And a head that can be slidably coupled to the protruding portion of the lateral disengagement portion. Further, in the invention, preferably, the stopper includes a stopper portion having a size larger than a guide post of the slider and an upper and lower side convexity = a width direction of the sewing cloth, wherein the stopper portion includes abutting The above == the guide post and the slider locking portion of the slider is locked, and the slider locking portion is configured to be elastically deformable along the width direction of the chain. According to the effect of the invention, the pull key is configured such that the end of the first chain of the square is provided with a stopper 'and the one end of the other second chain is disposed with an anti-lateral lateral direction=opening The at least part of the anti-lateral disengagement portion is provided with a larger dimension of the chain cloth having a larger interval than the chain insertion gap of the slider 154317.doc 201225872 The thickness of the disengagement. In the zipper of the present invention, when the slider is slid to the end position where the slider abuts against the stopper, the left and right first and second link belts are closed, and the thickness of the above-mentioned anti-buckling and detachment is provided. The lateral disengagement portion is housed in the key tooth guide path of the slider. Thus, even in the closed state of the i-th and second chain belts, the first and second chain belts are subjected to lateral tension, and may be borrowed. The lateral locking portion prevents the second key cloth from being pulled out from the key tooth guiding path of the slider via the chain insertion gap, so that the first and second chain belts can be stably maintained without separating the left and right element rows. Closed state. Further, the 'transverse lateral disengagement portion may have the thickness of the lateral disengagement prevention portion of at least a part of the lateral disengagement preventing portion, and the lateral disengagement portion of the present invention may include, for example, the above-mentioned prevention; a body portion having a thickness, and a projecting portion having a smaller distance between the fastener cloth insertion gap and the fastener cloth in a forward and reverse direction and extending from the body portion (for example, as shown in the following modification) The fins are 邙). Further, the present invention also includes that the size of the chain cloth in the forward and reverse directions of the lateral disengagement preventing portion is not set to be fixed in the entire lateral disengagement portion. Further, the lateral disengagement portion of the present invention is characterized in that the four blades having the thickness for preventing the lateral disengagement include at least one narrow portion which reduces the size in the width direction of the chain fabric, so that the lateral disengagement preventing portion can be along The manner in which the chain cloth is bent in the width direction is easily elastically deformed. By this, even if it will be! When the second key band is closed, the lateral disengagement portion is housed in the element guide path of the slider, and the left and right element rows can be separated from the brittle portion of the element row by preventing the lateral direction. The disengagement portion is elastically deformed, so that the anti-transverse portion can be smoothly pulled out from the element guide path of the slider, and the interference between the lateral disengagement portion and the slider can be minimized. Therefore, the first and second chain belts on the left and right sides can be smoothly pulled. Further, in order to cause the lateral disengagement portion to be elastically deformed so as to be curved in the width direction of the chain fabric, it is also considered that the chain member is disposed at a predetermined interval without being laterally disengaged by a single member. A plurality of independent and smaller resin molded bodies (i.e., the form in which the web portion of the present invention for preventing lateral disengagement is completely broken) constitute a lateral disengagement portion. However, in the case where the plurality of independent and smaller resin molded bodies constitute the lateral disengagement portion, the lateral disengagement portion is easy to follow the chain as compared with the case where the lateral disengagement portion is constituted by a single member. The cloth is bent in the width direction, but the fixing strength of the second chain cloth in one of the resin molded bodies is remarkably lowered. Therefore, for example, when a lateral pulling force is applied to the zipper, the resin molded body is subjected to a load from the side flange of the moon member, or via. When the toothed opening is pulled out from the element guide path of the slider, the resin molded body is caught on the side flange of the slider, and the resin molded body is separated from the second key cloth. And it is easy to fall off. On the other hand, the lateral disengagement portion is formed by a single member, whereby the fixing strength of the second key cloth is largely increased by the lateral disengagement portion, and the lateral disengagement portion can be effectively prevented from coming off the second key cloth. Fall off. In the zipper of the present invention, the narrow portion is formed by disposing a slit in the lateral disengagement portion, for example, the slit is from the side edge of the inner side of the key cloth in the lateral disengagement portion. Width direction configuration. Therefore, when the left and right element rows are separated from the brittle portion and the first and second chain belts are pulled apart, the lateral separation can be prevented. -14-154317.doc

S 201225872 The opening is easily elastically deformed along the width of the chain. In this case, the slit width in the opening-side end portion of the slit is narrowed, whereby the following deformation restricting mechanism can be stably formed. In other words, when the lateral disengagement portion is elastically deformed, the protrusions on the opening-side end side of the slit in the lateral disengagement portion can be stably restricted from colliding with each other to prevent the lateral disengagement portion from being more than this. Elastic deformation. Further, in the pull key of the present invention, when the left sprocket 4 is not separated from the brittle portion, the star is pulled out from the sprocket guiding path of the slider from the sprocket guiding path of the slider The lateral disengagement portion is elastically deformed while being pulled out. At this time, as described above, the slit width in the opening-side end portion of the slit is narrowed, whereby the opening side end of the slit in the lateral releasing portion can be prevented when the lateral releasing portion is elastically deformed. The protruding portions on the side of the portion abut against each other to close the opening-side end portion of the slit, or the protruding portions on the opening-side end portion side of the slit can be brought close to each other to further reduce the slit width of the opening-side end portion. Therefore, when the anti-lateral disengagement portion is pulled out from the element guide path of the self/month member, the side flange of the slider can be effectively prevented from being caught in the slit of the lateral disengagement portion, so that the slide can be pulled out more smoothly Prevent lateral disengagement. Further, in the zipper according to the present invention, when the slit is disposed in the lateral disengagement portion to constitute the s-shaped portion of the narrow towel, the slit may be laterally disengaged from the lateral direction of the anti-separation. When the end edge of the side is disposed along the width direction of the chain, even when the narrow portion of the lateral disengagement portion is configured as described above, when the first and second links are separated from the brittle portion, the lateral direction can be prevented. The detachment portion is easily elastically deformed along the width direction of the chain. In the zipper of the present month, 154317.doc •15-201225872 2 core portions are disposed on the end edges of the first and second chain fabrics, and at least a part of the core portions disposed on the second chain cloth are embedded in Prevent lateral disengagement. Therefore, the core portion of the second chain cloth can be protected by the lateral disengagement preventing portion, so that the core portion can be prevented from being damaged or broken due to direct collision with the slider, and the durability of the zipper can be improved. At least a part of the core portion is buried in the open portion, whereby the fixing strength between the lateral releasing portion and the second chain can be increased. Therefore, even if, for example, the first and second link belts are subjected to the lateral pulling force in the closed state, the lateral disengagement portion can effectively prevent the lateral disengagement portion when the side flange of the slide member receives a large load from the side flange of the slider. Broken from the second chain cloth. Further, in the zipper of the present invention, the length of the lateral disengagement preventing portion is set to be larger than the interval from the rear end position of the guide post to the position of the engaging opening, and the size is set to be relative to the stop. The slider on the stopper side end portion can be accommodated in the element guide passage. In this way, the dimension of the longitudinal direction of the anti-lateral disengagement portion is set to be larger than the interval from the rear end position of the self-guide column to the position of the engagement opening, thereby making the first and second portions even in the closed state. The chain belt is subjected to the transverse pulling force, and the lateral disengagement portion can be more reliably prevented from being withdrawn from the element guide path of the slider via the chain insertion gap, thereby maintaining the closed state of the first and second chain belts more stably. . Further, if the lateral disengagement preventing portion has the dimension in the longitudinal direction of the fastener as described above, the core portion can be more stably protected by the lateral disengagement preventing portion, and the lateral disengagement can be formed in an elongated shape along the longitudinal direction of the fastener fabric. Therefore, the contact area with the second chain cloth is increased, and the fixing strength of the lateral separation preventing portion to the second chain cloth can be increased. In this case, it is preferred to prevent the lateral disengagement along the 154317.doc

S • 16 - 201225872 The chain length direction is formed to be longer than the side flange of the slider. On the other hand, the length dimension of the lateral disengagement preventing portion can be set to be stored in the element guide passage with respect to the slider that stops at the end portion on the stopper side, thereby stopping the slider at the stop. In the case of the side end portion, the lateral disengagement portion can be accommodated in the slider and made invisible, so that the aesthetics of the zipper can be improved. Further, the zipper of the present invention includes a deformation restricting mechanism that limits the amount of elastic deformation of the lateral disengagement preventing portion to a predetermined range. For example, when the first and second link belts are in a state of being subjected to the lateral pulling force, the first and second chain fabrics are stretched outward (away from the direction), and the lateral disengagement portion is made to the slider. The upper and lower flange sides are elastically deformed in such a manner as to be curved. At this time, if the zipper does not include the deformation restricting mechanism, there is a case where the lateral disengagement preventing portion is largely bent and disposed on the lower flange of the upper member of the slider (in particular, the side of the inlet side of the upper and lower flanges is disposed The inclined side flange portion (hereinafter, the side flange portion is referred to as an inclined portion of the upper and lower flanges) is in contact with each other, and the weight is applied from the inclined portion of the opposite side flange of the lateral disengagement portion. . In this case, if the force of sliding the slider to the rear acts on the slider, it is considered that the slider slides in the direction in which the left and right key rows are separated against the user's intention, so that the left and right fastener teeth are arranged from the stop side. Separation. On the other hand, the zipper of the present invention includes the above-described deformation restricting mechanism, whereby the third and second chain belts in the closed state are subjected to the lateral pulling force, even if the lateral releasing portion is convex toward the upper side of the slider. The edge side is elastically deformed, and it is also possible to prevent contact with the inclined portion of the upper and lower flanges, or to reduce the load applied to the inclined portion of the upper and lower flanges even if they are in contact with each other. As a result, the sliding member is prevented from sliding along the separation of the element rows 154317.doc •17·201225872 against the user's intention, so that the first and second key bands can be stably maintained. Further, in the zipper of the present invention, the narrow portion may be formed by arranging a concave portion at the lateral disengagement portion, and the hurricane is not the slit as described above. Even when the narrow width 乍°°° of the lateral disengagement portion is formed as described above, when the first and second link belts are separated from the brittle portion, the tamper can be prevented from being detached toward the detachment portion along the chain cloth. The width direction is easily elastically deformed. In the zipper of the present invention, the dimension of the width direction of the narrow strip in the lateral disengagement portion is set to be smaller than the dimension of the key fabric of the lateral disengagement portion, thereby arranging the left and right fastener elements When the brittle portion is separated and the anti-lateral disengagement portion is pulled out from the key tooth guiding path of the slider, the lateral disengagement portion can be elastically deformed and smoothly pulled out. Further, in the slide fastener of the present invention, the lower side convex and the rim of the slider include parallel portions arranged on the engagement opening side of the slider in parallel with each other, and the interval between the left and right lower flanges is gradually increased toward the introduction port. Further, the inclined portion and the narrow portion of the lateral disengagement portion are disposed within a range of the longitudinal direction of the chain in the inclined portion of the upper and lower flanges of the slider stopped at the stopper side end portion. Thereby, when the stopper side end portions of the first and second chain belts are subjected to the lateral pulling force and the lateral disengagement portion applies a load to the side flange of the slider, the load is applied along the width direction of the chain fabric. Mainly applied to the parallel portions of the side flanges. Therefore, it is possible to make the load less likely to cause the sliding member to slide in the direction in which the element rows are separated. Therefore, the state in which the cleaning member is stopped can be maintained, and the closed state of the first and second links can be stably maintained. Further, in the zipper of the present invention, the "lateral release preventing portion" is provided with a flat surface on the side opposite to the stopper, whereby the left and right element rows are separated from the brittle portion. -18 - 154317.doc

At S 201225872, the anti-lateral release portion is interfered with the guide post or the stopper of the slider, and the lateral disengagement portion can be pulled out more smoothly from the element guide path of the slider. In the zipper of the present invention, the lateral disengagement portion includes a projection that protrudes toward one of the first links. A dummy element is disposed between the suspension and the element row on the first key cloth, and the dummy element includes a main body portion fixed to the first chain cloth and a second chain belt extending from the main body portion toward the other side The head portion of the lateral disengagement portion and the element tooth row extending and slidable with the protrusion of the lateral disengagement portion. : this: even if the sliding member is stopped at the position of the end portion of the retaining side, the pulling force can be used to prevent the lateral disengagement portion from being withdrawn from the element guiding path of the slider via the engaging opening, thereby It can prevent the left and right chain teeth from separating from the end side of the stop. In another aspect, when the left and right element teeth are separated from the brittle portion and the anti-lateral disengagement portion is pulled out from the spout of the sliding member, the protruding portion of the lateral disengagement portion is pressed against the false sprocket tooth, whereby the false sprocket is relatively Rotate so that it can be used in the slider. The tooth population ensures that there is a gap that can be prevented from passing through the lateral disengagement. Thereby, the lateral disengagement portion can be smoothly pulled out from the sprocket guide path of the cattle via the saliva. The stopper included in the zipper of the present invention includes a width direction of the chain cloth having a larger insertion width between the main body and the upper and lower side flanges of the slider: the second stopper portion, the stopper portion including the slider The guide post abuts and slides the slider. Further, the slider locking portion is configured to be elastically deformable in the width direction of the key. I54317.doc -19- 201225872 The guide post abuts to allow the slider to be stably held in its stop position. ^ When the first end and the second key band are closed, the end portion of the pull-down button receives a lateral pulling force, and even if the force of sliding the slider in the separating direction of the key row acts, it can be locked by the slider. When the slider is locked, the sliding of the slider can be hindered, and the slider is held by the (four) slider locking portion, and when the slider is operated to slide in the direction in which the key row is separated, The sliding member is strongly stretched in the separating direction of the key row, whereby the guiding post of the sliding member presses the sliding member locking portion to make the sliding member locking portion elastic (4), thereby releasing the locking member of the (four) piece The retaining state of the slider allows the slider to slide smoothly in the direction in which the key rows are separated. [Embodiment] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Furthermore, the present invention is not limited to the following description, and various modifications can be made as long as it has substantially the same configuration as that of the present invention and has the same effect. For example, in the following embodiments, the right side chain belt is provided with a stopper, and the left side chain belt is provided with a lateral disengagement portion to constitute a slide fastener. However, in the present invention, the right side chain belt may be disposed with the lateral disengagement portion and The left chain strap is configured with a stop to form a zipper. Further, in the zipper of the present invention, the left and right element rows may be formed by a plurality of independent synthetic resin sproshems formed by injection molding on the chain cloth as described below, or may be formed by forming the monofilament into a coil shape or a mineral tooth. The continuous chain of teeth forms 0 154317.doc

FIG. 1 is a view schematically showing a zipper of an embodiment of the present invention. FIG. 2 is a view showing a state in which the slider is held in the zipper. In Fig. 2 and Figs. 3 to 5 below, in order to understand the positional relationship between the stopper, the false sprocket and the lateral disengagement portion which are easily received in the member (7), only the slider is shown in cross section. Further, in the following description, the longitudinal direction of the chain cloth of the chain cloth is defined as the front and rear direction, in particular, the side of the left and right element teeth are meshed with each other. The manner in which the rows are separated is such that the direction in which the slider slides is set to the rear. X, the width direction of the key cloth of the chain cloth is defined as the left ancient direction. As shown in Fig. 1, the left side of the zipper is viewed from the front side as the left side, and the right side is the right side. Further, the front and back directions of the chain cloth of the chain cloth are defined as the vertical direction, and the side of the slider on which the slider is disposed on the surface of the key cloth is set to the upper side, and the opposite side is set to the lower side. The zipper 1 of the present embodiment includes: a pair of left and right chain belts 1〇a, i〇b, which are equal to - a chain tooth row 12, a stop 20 and a pair of opposite side edges of the chain cloths 11a, 11b a false sprocket 25 which is equal to the upper end of the right side chain (i-th chain) 1〇a is mounted along the element row 12; the lateral disengagement part 3〇 is on the left side chain (second chain) The upper end portion of the l〇b is mounted along the chain element row 12; the opening and closing pressure buckle 40 is disposed at the lower end portion of the left and right chain belts 1〇a'; and the sliding member 50 is disposed along the chain element row 12 Sliding mode configuration. Further, the slider 5 which constitutes the zipper of the present embodiment has substantially the same configuration as the slider which has been used before. That is, the slider 50 of the present embodiment includes the slider main body 51 and the pull tab 52 rotatably held by the slider main body 51. Further, the slider main body 51 includes 154317.doc • 21-201225872 including: upper and lower flaps 53, 54; a guide post 55 which is coupled between the front ends of the upper and lower flaps 53, 54; The left and right side edges of the upper and lower flaps 53, 54 extend in a direction in which they approach each other, and the tab mounting post 57' is erected on the upper surface of the upper flap 53 in a gate shape. Further, the slider 50 used in the present invention may be, for example, a slider in which a side flange is disposed on the right and left side edges of either one of the upper blade 53 and the lower blade 54. to. At the front end of the body of the beta body 5 1 , a guide port 55 is sandwiched therebetween to form a left and right introduction port, and a meshing port is formed at a rear end of the slider body 51. Further, a sprocket guide path 58 having a substantially U-shape in which the left and right introduction ports communicate with the engagement opening is formed between the upper and lower wing plates 53 and 54. Further, between the left and right side flanges disposed on the right and left side portions of the slider body 51, a chain insertion gap through which the chain fabrics Ua and lib are inserted is formed. Further, in the slider 50, the upper and lower flanges 56 include parallel portions 56a which are disposed in parallel with each other on the engagement opening side of the slider 50, and project from the front ends of the parallel portions 56& The inclined portion 56b is disposed such that the interval between the side flanges 56 is gradually increased toward the front. Each of the left and right chain belts 10a and 1b of the present embodiment includes a chain fabric Ua, lib, and a plurality of fastener elements 13 made of synthetic resin disposed on the side edge portion of the chain fabric. Each of the left and right chain fabrics 11a, Ub is woven or knitted into a narrow strip shape, and includes a chain main body portion sewn to the pull-link joint product (for example, the following sweat pants 6), and a fastener element 13 is attached thereto. Sprocket mounting portion (chain side edge portion). Further, the core portion 14 is disposed on the end side edge of the chain attachment portion side of the chain cloth iu, m. 154317.doc

S *22- 201225872 Standing in the chain fabric Ua, Ub, in the key tooth mounting portion including the core wire (4), a plurality of fastener elements 13' made of synthetic resin are arranged by injection molding along the length direction of the right-hand true chain cloth. A chain tooth row is formed by the plurality of key teeth 13. Further, in the present invention, the material of the fastener element 13 is not limited, and for example, a synthetic resin such as polyacetal, polypropylene, polybutylene terephthalate, nylon or polycarbonate can be preferably used. In this case, each of the fastener elements 13 includes a salivating head portion 13a' having an oblate shape, and is fixed to the main body portion "b of the chain cloth (1) and m so as to sandwich the core portion 14, and is sprayed A neck portion 13c formed in a contracted manner between the head portion (1) and the main body portion (10). Further, in the slide fastener of the present embodiment, the brittle portion 15 that partially eliminates the meshing force of the left and right element rows 12 is provided at the center portion of the chain length direction (front-rear direction) of the element rows 12. The brittle portion 5 is attached to the sprocket 13 including the engaging head portion 13a, the neck portion 13c, and the main body portion 13b to exclude the engaging head portion 13a and the sprocket including only the main body portion nb and the neck portion 13c. The left and right chain cloths 11a and lib are formed by the element attaching portions. A lateral pulling force is applied to the brittle portion 15 of the 3H key row 12, whereby the fragile portion 15 can be easily opened in the left-right direction by the brittle portion 15, and the front portion can be opened from the brittle portion 15 toward the front. The rear and rear teeth 13 are sequentially disengaged to gradually separate the element rows 12 from each other. The stopper 20 of the present embodiment is attached to a fastener attaching portion including the core portion 14 of the right chain fabric 1 ia. The stopper 20 includes a first stopper portion 21 that stops the sliding of the slider 50, and a second stopper portion 22 that is disposed between the first stopper portion 21 and the element row 12, and the first and second portions The stopper portions 21 and 22 are fixed to the key cloth 11a by injection molding a synthetic resin of the same material as the teeth 154317.doc • 23·201225872 in the chain cloth 11a. The first stopper portion 21 of the stopper 20 includes a main body portion 21a which is rectangular in a front view, and a stop portion 2ib which is formed by projecting from the main body portion 21a toward the inner side of the chain cloth. The main body portion 21a of the first stopper portion 21 is formed in such a manner that the dimension (width dimension) in the width direction of the chain is set smaller than between the guide post 55 and the upper and lower flanges 56 in the slider 5? The insertion width is such that a portion of the body portion 21a can enter the sprocket guiding path 58. Further, the stop portion 21b of the first stopper portion 21 is formed so as to abut against the lower flange 56 above the slider 5A when one of the main body portions 21a enters the element guide passage 58. The stopper portion 2 1 b abuts against the upper and lower flanges 56, so that the slider 5〇 can be stopped from sliding. The second stopper portion 22 of the stopper 20 includes a fixing portion 22a fixed to the chain fabric iia, and a slider locking portion 22b extending from the fixing portion 22a toward the outside of the chain cloth. The fixing portion 22a of the second stopper portion 22 is formed in a rectangular shape when viewed from the front side. The side edge (right end edge) of the inside of the fastener fabric of the fixing portion 22a becomes the second stopper. When the portion 22 enters the introduction port of the slider 50 and is inserted into the element guide passage 58, the sliding portion is slidably connected to the upper flange 56 of the upper portion of the slider 50. The thickness dimension (the dimension in the up-and-down direction) of the fixing portion 22a in the second stopper portion 22 is set to be larger than the interval of the fastener insertion gap of the slider 5〇, and 'is set smaller than the upper flap of the slider 50. The interval between the faces of 53, 54. The slider locking portion 221) of the second stopper portion 22 is formed to have the same thickness dimension as the fixing portion 22a. Further, a hole portion Me is formed in the central portion of the slider locking portion 22b. The slider locking portion 22b includes 154317.doc

S - 24 - 201225872 The hole portion 22c is configured to elastically deform the slider locking portion 22b at least in the manner of the width direction of the chain. In the present embodiment, the largest dimension in the width direction of the chain in the second stopper portion 22, that is, from the sliding edge portion of the fixing portion 22a to the slider locking portion 2 and the left chain belt 1 The maximum dimension in the width direction of the opposite side of the opposite side edge portion (the left side edge portion of the slider locking portion 22b) of the 〇b is set to be larger than the sprocket guiding path 58 of the slider 5〇. The insertion width between the guide post 55 and the upper and lower side flanges 56. Here, the insertion width between the guide post 55 of the slider 50 and the upper and lower flanges 56 guides the interval between the guide post 55 and the upper and lower flanges 56, in particular, the guide post 55 is connected in a straight line. When the side wall is to the inner wall surface of the upper and lower side flanges 56, the distance becomes the shortest straight line distance. Further, the outer peripheral surface of the slider locking portion 22b includes at least a first side wall surface 22d, a second side wall surface 22e, and a third side wall surface 22f. The first side wall surface 22d of the slider locking portion 22b is disposed to face the first stopper portion 21, and is disposed on the same plane as the front end surface of the solid portion 22a. The second side wall surface 22e of the slider locking portion 22b is continuously disposed from the i-side wall surface 22d and is formed as a smooth curved surface that protrudes toward the outside. When the second side wall surface 22e is disposed in the slider locking portion 22b, for example, when the slider 5 is slid forward toward the stopper 20, the second stopper portion 22 is introduced from the slider 5 The inside of the sprocket guide path 58 moves toward the engagement opening side, and when the slider locking portion 22b returns to the elastic state, the second side wall surface 22e locks the engagement port side end portion of the guide post 55 of the slider 5A. Therefore, the stop state of the slider 5 can be maintained (refer to FIG. 2). I54317.doc •25·201225872 Further, the second side wall surface 22e is formed to be curved, whereby the second side wall surface 22e is slid from the state of the engagement port side end of the guide post 55 of the slider 50, for example. When the member 50 slides along the separation direction (rear) of the element row 12, the second side wall surface 22e is slidably coupled to the guide post 55 of the slider 50, and the second stopper portion 22 is along the key cloth. The manner in which the width direction is contracted promotes the elastic deformation of the slider locking portion 22b, thereby assisting the second stopper portion 22 to enter between the guide post 55 of the slider 5 and the upper and lower flanges 56. The third side wall surface 22f of the slider locking portion 22b is continuously formed from the second side wall surface 22e, and is dimensioned in the chain width direction of the second stopper portion 22 (that is, the sliding from the fixing portion 22a) The edge portion is disposed so as to gradually decrease toward the rear in the direction of the chain width direction from the side edge portion of the slider locking portion 22b opposite to the left side chain belt i〇b. The third side wall surface 22f is disposed in the slider locking portion 22b, and the sliding member 50 is slid forward, for example, when the second stopper portion 22 enters the element guide passage 58 from the introduction port of the slider 5A. When the third side wall surface 22f is slidably coupled to the guide post 55 of the slider 5A, the second stopper portion 22 can smoothly enter the element guide path 58 and the second stopper portion 22 can be smoothly moved. The manner of shrinking along the width direction of the chain fabric can promote elastic deformation of the slider locking portion 22b. In the right side chain belt 10a, a dummy element 25 is disposed between the stopper 2'' and the element row 12. In particular, in the present embodiment, when the dummy element is placed in a state in which the moon member 50 is stopped by the first stopper portion 21 (Fig. 2), the mouthpiece 5G can be closed. Part of the location. Further, the false sprocket includes a main body portion 25a fixed to the chain cloth 11a, and an anti-transverse release portion 3 下述 extending from the main body portion ... toward the left side chain belt i 〇 b and the element tooth row 12 154317.doc

S -26- 201225872 Head 25b. In this case, the head portion 25b of the dummy element 25 includes a sliding surface which is slidable to the following projection 33 of the lateral disengagement portion 3A disposed on the left side key ▼1b. Further, the head portion 2 is formed by cutting a part of the rear side and is not engaged with the sprocket 13 disposed at the front end of the left sprocket row 12. The configuration of the Bebesch type is disposed on the front end side of the element row 12 so as to be opposed to the end 20 so as to be opposed to the lateral disengagement portion 3 of the left side chain. The k-direction releasing portion 30 is fixed to the chain fabric Ub by molding and molding a synthetic resin of the same material as that of the fastener element 13 to the chain cloth lib. The lateral disengagement portion 30 is formed in a substantially rectangular parallelepiped shape along the longitudinal direction of the chain fabric. Thereby, it is ensured that the contact area between the lateral disengagement preventing portion 3 and the chain cloth 1b is wide, so that the fixing strength of the lateral disengagement portion 3〇 to the chain cloth ub can be increased. Further, the lateral disengagement preventing portion 3 is disposed so as to embed the core portion 14 of the chain fabric i lb. Thereby, the core wire portion 4 can be protected by the lateral disengagement preventing portion 3, and in particular, the longer the lateral disengagement preventing portion 3 is formed along the longitudinal direction of the chain fabric, the core portion 14 can be protected in a longer range. . Further, by forming the lateral disengagement preventing portion 30 so as to cover the anger portion 14, the lateral disengagement portion 3 can be more firmly fixed to the chain cloth 11b, so that the lateral disengagement portion 3 is very Difficult to fall off the chain. In the present embodiment, the thickness dimension of the chain cloth in the forward and reverse directions of the lateral disengagement preventing portion 30 is set to be fixed on the entire portion of the lateral disengagement preventing portion 3G excluding the slit 31 described below. A chain insert formed between the upper side flange and the lower side flange 56 extending from the lower wing 54 and extending from the upper flap 5543I7.doc • 27-201225872 53 above the self-sliding member 5 () The interval between the gaps is smaller than the interval between the inner faces of the lower flaps 53, 54 above the slider 5''. The lateral disengagement portion 30 has such a thickness dimension whereby the lateral disengagement preventing portion 30 can be smoothly inserted into the fastener guide path 58 of the slider 5A. Further, the lateral disengagement preventing portion 30 has a thickness dimension which is set to be larger than the distance between the interlacing insertion gaps of the sliders 5, and is prevented from being laterally disengaged, whereby the lateral disengagement preventing portion 3 is accommodated in the sliding member 50. When the sprocket guide path 58 is inside (that is, when the left and right chain belts 1 〇 a, i 〇 b are in a closed state), even if the zipper i is subjected to the lateral pulling force, the lateral disengagement preventing portion 30 can be surely coupled to the slider 5 The lower side flange 56 abuts on the upper side. Therefore, the lateral disengagement preventing portion 30 is not pulled out from the element guide path 58 of the slider 5A via the link insertion gap, so that the lateral disengagement portion 3 can be stably held by the element guide path 58. Inside. Further, in the present embodiment, when the lateral disengagement preventing portion 30 is not elastically deformed into a curved shape as described below, the left side surface and the stopper of the inside of the chain fabric of the lateral disengagement preventing portion 30 are disposed in parallel with each other. 2〇 is opposite to the right side surface (except for the protruding portion 33 described below), and the width dimension in the chain width direction of the lateral disengagement preventing portion 30 which is the interval between the left and right side surfaces is set to be smaller than the sliding member 50 The insertion width between the guide cymbal 55 and the upper and lower side flanges 56. In this case, the width dimension of the lateral disengagement preventing portion 3 is set to be larger than the core portion 14 of the chain cloth 11b, but the slider 5 is held by the second stopper portion 22 as follows. In the case (see FIG. 2), the (four) gap formed on the lower side flange of the left side of the second stopper portion 22 and the slider 5Q may be inserted. In particular, in the case of the present embodiment, the lateral disengagement portion 154317.doc

The maximum size of the chain width direction of S 201225872 30 is set to be smaller than the maximum size of the chain width direction of the fastener elements 13. Thereby, for example, when the left and right element rows 12 are separated from the brittle portion 15 and the left and right chain belts 10a and 1 Ob are pulled apart, the lateral disengagement preventing portion 30 is formed to pass through the second stopper portion 22 and the slider 50. The gap between the lower side flanges 56 on the left side is such that the lateral disengagement preventing portion 30 can be smoothly pulled out from the element guide path 58 of the slider 50 via the engaging opening. Further, when the slider 50 is brought into contact with the first stopper portion 21 of the stopper 20 and stopped, the rear end position in the longitudinal direction of the chain preventing portion 30 is set to be the same as the slider 50. The position of the engagement opening is approximately the same. Further, 'the position of the front end in the longitudinal direction of the chain in the lateral disengagement portion 30 is known as when the slider 50 abuts against the first stopper 21 of the stopper 20 to stop it. The position of the rear end of the guide post 55 of the crucible is more preferably the inlet side (the side side)' is preferably set to be longer than the lower side edge 56 of the slider 5 〇 along the length of the chain fabric, and is preferably set. When the left and right chain belts 10a and 10b are closed, they are aligned with the front end position of the first stopper portion 21. The lateral disengagement portion 30 of the present embodiment has such a dimension in the longitudinal direction of the chain fabric, whereby the fixing strength of the lateral disengagement portion 3 against the chain fabric Ub can be stably ensured. Moreover, the line-failure portion 14 of the chain f Ub can be protected by the lateral disengagement portion 3 更 in a wider range, in particular, the slider 5 抵 is abutted against the second stop portion 21 of the stop 2 而When it is stopped, it is possible to reliably prevent the core portion 14 accommodated in the slider from abutting or rubbing against the lower flange 56 above the slider 50, thereby preventing damage or breakage of the core portion 14. Further, when the lateral disengagement portion 154317.doc -29. 201225872 30 is formed long along the longitudinal direction of the chain fabric, the slider 50 is stopped by the first stopper portion 21 of the stopper 20 to be stopped. At this time, the lateral disengagement portion 30 can be accommodated deep in the element guide path 58 of the slider 50. Therefore, even if the left and right chain belts 10a, 10b in the closed state are subjected to the lateral pulling force, the lateral disengagement portion 3 can be effectively prevented from being withdrawn from the element guide path 58 of the slider 50, thereby stably maintaining the left and right chains. The closed state of the belt 10a, l〇b. And the size of the longitudinal direction of the chain in the lateral disengagement preventing portion 30 is set such that the position of the front end of the lateral disengagement preventing portion 30 is aligned with the position of the front end of the first stopper portion 21, and is set to be the slider When the 50th contact with the first retaining portion 21 of the stopper 20 is stopped and stopped, the lateral disengagement portion 3 is housed in (hidden) the fastener guide path 58 of the slider 50, thereby improving The beauty of the zipper i. The lateral disengagement portion 30 of the present embodiment is provided on the front surface side and the back surface side of the fastener fabric 1b, respectively, including two slits 31 which are cut in the width direction of the chain fabric from the left side surface of the inner side of the fastener fabric, and the slits The narrow portion 32 having a small dimension in the width direction of the chain fabric and the projection portion 33 which is disposed at the end portion of the lateral disengagement preventing portion 30 and protrudes toward the right side chain belt i〇a is formed. In this case, 'the two side slits 3 1 are formed on the left side surface of the inside of the chain fabric from the lateral disengagement portion 3 ', so the right side surface of the lateral disengagement portion 3 除 except the protruding portion 33 is formed. One of the continuous faces, particularly when the lateral disengagement preventing portion 30 is not elastically deformed along the width direction of the chain fabric, constitutes one flat surface. The two narrow portions 32 disposed in the lateral disengagement portion 30 are such that the minimum dimension of the narrow portion 32 in the width direction of the chain is the size of the width direction of the key release preventing portion 3〇 (excluding Except for the slit 31 and the portion of the protrusion 33) -30· 154317.doc

The half or less of S 201225872 is preferably formed to be smaller than the size of the chain cloth in the forward and reverse directions of the lateral disengagement portion 30. The narrow width portion 32 having such a width dimension is disposed in the lateral disengagement preventing portion 30, whereby the lateral disengagement preventing portion 30 can be elastically deformed so as to be curved in the chain width direction. Further, when the two narrow portions 32 included in the lateral disengagement preventing portion 30 are brought into contact with the first stopper portion 21 of the stopper 20 and stopped, the slider 50' is opposed to the slider 50'. The parallel portion 56a of the upper and lower flanges 56 is disposed on the front side (in other words, the inclined portion 56b of the upper and lower flanges 56 is disposed in the longitudinal direction). Further, since the dimension of the chain preventing preventing/distracting portion 3 of the embodiment is set to be larger than the dimension of the narrow width portion 32 in the chain width direction, it is difficult to be elastic in the forward and reverse directions of the chain cloth. The manner of deformation constitutes the lateral disengagement portion 30. The two slits 31 disposed in the lateral disengagement preventing portion 30 are set to have a predetermined size so that the narrow portion 32 has the size in the chain width direction as described above, and are exposed at a portion where the slits 31 are provided. The chain cloth Ub and a part of the core portion 14. Further, in the opening-side end portion (left end portion) of each of the slits 31, the slit width (the interval in the material length direction) in the opening-side end portion is narrowed so as to be protruded in the longitudinal direction of the chain fabric. The pair of protruding portions 31" are provided with the protruding portions 3u at the opening-side end portions of the slits 3'', whereby the left and right element-toothed rows 12 are separated from the brittle portion 15 by, for example, the key-tooth guiding path from the slider 5'' When the lateral disengagement portion 30 is pulled out in the inner portion of the slider 5, the lower side lip 56 of the slider 5 is prevented from being inserted into the slit 31 of the lateral disengagement portion 30, and the lateral disengagement portion 30 is caught in the slider 50. In the case where the slit 31 is opened, a pair of protruding portions 31a are disposed in the end portion 154317.doc -31 - 201225872 in the lateral disengagement portion 3 of the present embodiment, whereby the pair of protruding portions 3ia are provided. The deformation restricting mechanism that limits the amount of elastic deformation of the lateral disengagement preventing portion 30 to a predetermined range, that is, when the lateral disengagement preventing portion 3 is elastically deformed so as to be concavely curved toward the inner side of the chain cloth The lateral disengagement preventing portion 3 is easily elastically deformed until it is disposed at one of the opening-side end portions of the slits 3 1 to the protruding portion 3 ia However, the elasticity of the lateral disengagement portion 30 can be regulated in such a manner that the lateral disengagement portion 30 is not elastically deformed by the extent that the lateral disengagement portion 30 is elastically deformed by the contact portion of the slit 31. The amount of deformation is thereby caused by the lateral pulling force at the end before the left and right chain belts 丨〇a, 1 〇b in the closed state, so that the lateral disengagement portion 3 is turned toward the upper side flange 56 of the slider 5 When the bending is elastically deformed, the lateral disengagement portion is elastically deformed in the element guide path 58 of the slider 50, but the lateral disengagement portion 30 and the lower flange 56 above the slider 50 are prevented. The inclined portion 56b is in contact with each other, or the load applied to the inclined portion 56b can be reduced even if it is in contact with the inclined portion 56b of the upper and lower side flanges 56. The protruding portion disposed at the end portion of the lateral releasing portion 3〇 33 is disposed so as to protrude toward the right chain belt 10a in the chain width direction, and the thickness of the protruding portion 33 is set to be the same as that of the main body portion of the lateral disengagement portion 3A. When the disengagement portion is 3〇, the protrusion 33 is right and right The side wall of the chain belt l〇a is formed in an arc shape, and the circumferential surface of the protruding portion 33 is configured to be slidable with the guide post 55 of the slider 5 or the dummy element 25 disposed on the right chain belt. In the present embodiment, for example, the slider 50 held by the second stopper 22 is slid rearward to open the slide fastener 1 to separate the left and right fastener rows 12 154317.doc

S-32-201225872 The four-port side end portion of the guide post 55 of the '-surface sliding member 50 abuts against the protruding portion 33 of the lateral disengagement preventing portion 30, and slides the slider 5〇, thereby assisting The action of opening the chain teeth by about 12 minutes allows the left and right element rows 12 in the engaged state to be smoothly separated. On the other hand, when the left and right element rows 12 are separated from the brittle portion 15 and the lateral disengagement portion 3 is pulled out from the element guide path 58 of the slider 50, the lateral disengagement portion 30 is prevented. The protruding portion 33 presses the false sprocket 25, and rotates the false sprocket 25 to form an opening (gap) through which the lateral disengagement portion 3 〇 can be formed at the engaging opening of the slider 50, thereby being able to pass through the slider 5 The engagement opening of the cymbal smoothly pulls out the lateral disengagement portion 30 (refer to Figs. 3 to 5). In the present embodiment, the opening/closing pressure fastener 40 disposed at the lower end portion of the left and right fastener tapes 10a and 10b includes a first opening and fitting member 41 (sometimes referred to as a pin) disposed on the right side fastener tape 10a, and The second opening fitting member 42 (sometimes referred to as a latch) disposed on the left side chain belt i〇b. The first and second opening fitting members 41 and 42 are disposed so as to be aligned with the front and back sides of the chain cloth 11a and lib from the rear end portions of the left and right chain tooth rows 12, and the first and second opening are arranged. The fitting members 41 and 42 are formed by molding the synthetic resin of the same material as the fastener elements 13 in the chain fabrics 11a and 11b so that the shape of the surface side of the chain fabric and the shape of the back side of the chain fabric are linked by the chain 1 la, 1 The lb is formed by the way that the center becomes symmetrical. The first opening fitting member 41 is disposed so as to be continuous from the element row 12, and includes: a slider holding portion 41a fixed to the chain cloth 1 la; extending from the slider holding portion 41a to the rear and passing through the segment portion 41b is formed by a thicker pivoting support portion 41c; the self-sliding member holding portion 41a and the pivoting support portion 41c extend toward the inner side of the chain 154317.doc -33 - 201225872; and the retaining portion 41 〇} The recessed portion (not shown) of the left side surface of the second opening fitting member 42 and the inner peripheral surface of the pivoting support portion 41c is formed in the portion 4ia. In the first opening fitting member 41, the slider holding portion 41a is inserted into the element guide path 58 of the slider 5 when the slider 5 is slid rearward and comes into contact with the segment portion 41b. It is configured such that the slider 50 is held in contact with the segment portion 41b. The pivotal support portion 41c is formed to extend rearward from the slider holding portion 4U, and is formed to be bent toward the second opening/fitting member 42 side, and has a substantially j-shape when viewed from the front side as the pivoting support portion 41c. The pivotal support portion 41 is configured to include an inner peripheral surface that is rotatably locked by abutting the pivotal support portion 42b of the second open fitting member 42 to be held by the slider. When the slider 41 is held by the portion 41a, the following pivoted branch portion 4b for the second opening fitting member 42 is formed between the engagement port side end portion of the slider 5A and the pivot support portion 41c. Insert the twisting space. The second opening and fitting member 42 includes: a plate-like body portion 42a fixed to the front and back surfaces of the chain cloth iib; and a pivoting support portion 42b disposed at a right corner portion of the rear end portion of the body portion 42a; The strip portion 42c is disposed along the left edge portion of the body portion 42a, and the protrusion portion 42d is disposed at the front end portion of the body portion 42a. In the second opening fitting member 42, the main body portion 42a has a thickness dimension which is set to be smaller than the interval at which the key cloth insertion gap of the slider 50 is smaller. The pivoted support portion 42b is formed in a cylindrical shape projecting from the front and rear surfaces of the main body portion 42a in the vertical direction. The thickness dimension of the pivoted support portion 42b is set to be larger than the interval between the chain insertion gaps of the sliders 154317.doc - 34 - 201225872 50 and smaller than the upper and lower directions of the element guide paths 58 of the slider 50. interval. The projection 42d includes a coupling portion engageable with the fastener element 13 disposed on the last end side of the fastener element row 12 of the right link belt 100a. According to the opening and closing pressure buckle 40 including the first and second opening fitting members 41 and 42, when the zipper i is closed, the second opening fitting member can be arbitrarily selected from the two types of operations shown below. 42 is locked to the locking operation of the first opening fitting member 41. As the first locking operation, the following operation will be described, that is, when the slide fastener 1 is closed, it is not necessary to pass the pivotal support portion 42b of the second opening fitting member 42 through the element guide path 58 of the slider 50. The first opening and fitting member 41 can be locked by being inserted from the side of the first opening fitting member 41. When the first locking operation is performed, first, the slider 5'' is slid toward the first opening/fitting member 41, and the slider 50 is held by the slider holding portion 41a. Next, the planting and rotating branching portion 42b of the second opening and fitting member 42 is pivoted to the pivoting support portion 41c via a gap formed between the pivotal branch portion 41c of the first opening and fitting member 41 and the slider 50. The inner circumference is abutted. Thereby, the second opening fitting member 42 is locked to the first opening fitting member 41. Then, the second opening fitting member 42 is rotated toward the first opening fitting member 41 about the pivoted supporting portion 42b, so that the body portion 42a of the second opening fitting member 42 is passed through the chain of the slider 50. The insertion gap is inserted into the element guide path 58. Thereby, the left and right element rows 12 can be positioned in a stable engagement. Thereafter, the slider 5 held by the slider holding portion 4 i a is slid upward, whereby the left and right element rows 12 are engaged to close the zipper. 154317.doc •35- 201225872 On the other hand, as the second locking operation, the following operation will be explained, that is, the zipper will be attached! When closed, the pivotally supported brace 42b of the second opening fitting member 42 is locked to the first engaging member 41 via the element guide path 58 of the slider 5〇. σ When the second locking operation is performed, first, the slider 5 is held by the slider holding portion 4U in the same manner as the above-described third locking operation. Next, the pivoted support portion 42b of the second opening and fitting member 42 is inserted into the introduction port of the slider 5A through the element guide path 58 of the slider 50 to be coupled to the first opening and fitting member. The inner peripheral surface of the pivot support portion 41c of 41 abuts. Thereby, the second opening fitting member 42 is locked to the first! The fitting member 41 is opened and positioned so that the left and right element rows 12 can be stably engaged. Thereafter, the slider 50 held by the slider holding portion 4U is slid upward, whereby the right and left fastener rows 12 are engaged to close the slide fastener 1. Next, the operation when the slide fastener 1 is closed in the state in which the left and right key bands 1 〇 a and i 0b are pulled apart in the slide fastener 1 of the present embodiment having the above configuration will be described. First, the first and second opening-fitting members 41 and 42 of the opening/closing pressure buckle 40 are plucked from one of the above-described two types of locking operations, and the second opening-fitting member 42 is locked. The fitting member 41 is opened at the first position, and thereafter, the slider 50 is slid upward (toward the stopper 2). Thereby, the left and right element rows 12 are sequentially guided into the element guide path 58 from the introduction port of the slider 50, so that the left and right element rows 12 can be engaged. Further, 'the slider 50 is slid until it abuts against the stopper 2〇, and then the left and right element rows 12 are followed by the dummy elements 25 and 154317.doc -36-201225872 disposed on the right side chain 10a. The lateral disengagement portion 30 of the left side chain belt 1 Ob enters the element guide channel 58 from the introduction port of the slider 50, and thereafter, after the false element 25, the second stop of the stopper 20 is subsequently made. 22 and the first stopper portion 21 are sequentially inserted into the element guide passage 58 from the introduction port of the slider 50. At this time, when the second stopper portion 22 is relatively gradually moved toward the engagement opening side in the element guide passage 58, the sliding edge portion of the second stopper portion 22 is disposed on the right side of the slider 50. The upper and lower side flanges 56 are slidably coupled, and the slider locking portion 22b of the second stopper portion 22 is elastically deformed to pass between the guide post 55 and the right upper and lower lower flanges 56. Then, as shown in Fig. 2, the stop portion 211 disposed on the first stopper portion 21 abuts against the upper flange 56 above the slider 50, whereby the slider 5A can be prevented from sliding. Further, the second stop portion 21b of the first stopper portion 21 abuts against the lower flange 56 above the slider 50, or immediately before the lower flange of the upper portion of the slider 5? The slider locking portion 22b of the stopper portion 22 is restored in elasticity, so that the engagement port side end portion of the guide post 55 of the slider 50 abuts against the slider locking portion 2 hole. Thereby, the second stopper portion 22 can be used. The slider 50 stopped by the first stop portion 21 is reliably supported, so that the stopped state of the slider 5〇 can be stably maintained. Further, as shown in Fig. 2, in the second embodiment, When the π piece 50 is held, the state in which the lateral disengagement portion % is disposed in the left side chain band 1〇b is completely accommodated in the element guide channel 58 of the slider 50. Further, it is disposed on the right side chain belt 1Ga. The false sprocket 25 is located in a state in which the protruding portion 33 of the head disc preventing lateral disengagement portion 30 of the dummy sprocket 25 is in contact (or in a state close to each other) capable of closing a portion of the sliding member 5 By the operation as described above, the left and right chain teeth IGA and 1Gb are pulled apart by the state of 154317.doc -37-201225872, and the left and right key teeth can be made. 12 is integrally engaged to completely close the pull key 1. In the zipper 1 of the present embodiment, in the closed state of the zipper 1 as described above, for example, the end of the zipper 1 is placed with a stop 2 When the lateral tension of the left and right chain cloths 1 la and 1 lb is pulled away from each other, the i-th and second stoppers 21 and 22 disposed on the right side chain belt l〇a are formed thicker than the slider 5 Since the key cloth of 0 is inserted into the gap, the first and second stopper portions 21 and 22 can be held by the right upper and lower flanges 56 of the slider 50 and held in the element guide path 58 of the slider 50. On the other hand, the lateral disengagement portion 3 disposed on the left side chain belt l〇b has a high fixing strength and is formed to be thicker than the fastener interlacing gap of the slider 5〇. Therefore, the lateral disengagement portion 3 抵 can be held in contact with the upper left upper flange 56 of the slider 5 而 and held in the sprocket guide path 58 of the slider 50. In particular, the lateral detachment prevention of the present embodiment The opening portion 3 is formed to be longer than the dimension of the longitudinal direction of the chain fabric from the engagement opening of the slider 50 to the rear end position of the guide post 55. The size of the lower side flange 56 of the upper side flange 56 of the slider 50 is such that the lateral disengagement portion 3 is surely abutted against the upper side flange 56 of the slider 50 and stably held by the slider. 5, the key tooth guide path 58. In this way, even if the pull key 1 is subjected to the lateral pulling force, the second and second stopper portions 21, 22 and the lateral disengagement portion 3 can be stably held by the slider 5 In the key tooth guiding path 58 of the cymbal, the left and right key rows I are separated from each other in the salivating state. At this time, the dummy sprocket 25 disposed on the right side chain belt 1 〇a is disposed on the left side. The protruding portions 33 of the lateral stripping portion 30 of the chain belt 10b are in contact with each other. 38-154317.doc

Since the state of S 201225872 is maintained, the anti-lateral disengagement portion 30 is prevented from being pulled out from the element guide path 58 of the slider 50 via the engaging opening. Therefore, the meshing state of the left and right element rows 12 can be maintained more stably. Further, in the slide fastener 1 of the present embodiment, as described above, the two narrow portions 32 are disposed on the lateral disengagement portion 30 disposed on the left side chain belt 1b. Therefore, when the front end portion of the zipper 1 is subjected to the lateral pulling force, the left and right chain fabrics 11a and 11b are stretched away from each other, so that the lateral disengagement portion 30 disposed on the left side chain belt 10b is oriented. The left side flange 56 side of the left side of the slider 5 is elastically deformed. At this time, in the lateral disengagement portion 3 of the present embodiment, the two narrow portions 32 are disposed on the lower side of the lower flange 5's upper portion of the flange member 56& the front side (introduction side) The position of the lateral disengagement portion 3 is mainly elastically deformed toward the front side from the parallel portion 56a. Further, a pair of protruding portions 31a are disposed at the opening-side end portions of the respective slits 31 of the lateral disengagement preventing portion 3, and the protruding portion 31a is configured such that the lateral releasing preventing portion 3 is not elastic to a predetermined size or more. The deformation restricting mechanism that limits the amount of elastic deformation. Therefore, even if the lateral disengagement portion 30 is elastically deformed toward the upper and lower flanges 56, one of the slits 31 can be placed against the projections 3 (4), thereby preventing the lateral disengagement portion 30 from being thereby Elastic deformation above the degree. Therefore, when the front end of the zipper i is subjected to the lateral pulling force, the lateral disengagement preventing portion 30 abuts against the parallel portion of the left flange of the slider 5, but the lateral side of the parallel portion 56a is prevented from being laterally disengaged. The elastic deformation of the Kadokawa River 'by this can prevent the cutting lateral closing (4) from the sliding contact of the upper and lower edges of the slider 5 (), or even the inclination of the upper and lower flanges 56 154317.doc • 39- The contact portion 56b of the 201225872 can also reduce the pressing force applied to the inclined portion 561). Thereby, the parallel portion 56a of the upper and lower side flanges 56 receives the pressing force 'from the lateral disengagement portion 30 but the inclined portion 561 of the side flange is hardly subjected to the pressing force from the lateral disengagement portion 30. Therefore, even if the left and right chain belts 丨〇a, 1 〇b are subjected to the lateral pulling force, the upper side flange 56 of the slider 50 is pressed by the stopper 2〇 and the lateral disengagement preventing portion 30, it is difficult to The sliding force of the slider 5〇 to the rear (the direction in which the element rows 12 are separated) acts on the slider 5〇, so that the slider 50 can be prevented from being released from the slider stopper 22b of the second stopper 22 against the user's intention. It stays in the state and slides back. Therefore, the meshing state of the left and right element rows 12 can be stably maintained. Next, in a state in which the slider 10 is held by the second stopper 22 and the zipper 1 is closed (Fig. 2), the slider 50 is operated to slide in the direction of separation as the element row 12. The operation when the left and right button belts 1 〇 a and 1 〇 b are pulled apart will be described. In this case, the slider 5 2 of the slider 50 held by the second stopper 22 is held by the hand and the slider 50 is stretched rearward, thereby causing the guide post 5 5 to be engaged with the slider 5 The second stopper portion 22 abutting on the end portion of the refilling port is relatively moved toward the introduction port side of the slider 5A. At this time, the guide post 55 of the slider 50 presses the slider locking portion 22b of the second stopper portion 22, and the slider locking portion 22b is elastically deformed, and the second stopper portion 22 can be inserted through. The guide post 55 of the slider 50 is between the right upper and lower flanges 56. Thereby, the state in which the slider 50 is held by the second stopper portion 22 is released, so that the slider 50 can be smoothly slid rearward to separate the left and right element rows 12 . Then, after sliding the slider 50 to the end of the opening and closing pressure buckle 40 side, since 154317.doc

S • 40- 201225872 The first opening fitting member 41 is detached from the second opening fitting member 42' of the opening and closing pressure buckle 4, whereby the left and right key belts i〇a, 1 〇b can be pulled apart to open the zipper 1. Next, in the zipper of the present embodiment, the left and right element rows 12 are separated from the state in which the slider 1 is closed by holding the slider 5〇 in the second stopper 22 (Fig. 2) with the brittle portion 5 as a starting point. And the left and right chain will be 丨〇a,! The action when 〇b is opened is explained. In this case, a stress such as a lateral tensile force is applied to the brittle portion 15 provided in the element row 12, whereby the left and right element rows 12 can be separated from the brittle portion 15, and the left and right chain belts l〇a, 10b can be further The left and right element rows 12 are sequentially separated from the front end portion and the rear end portion in a state in which the slider 50 is held in the second stopper portion 22 while being stretched away from each other. Then, after the sprocket 13 disposed at the foremost end of the left and right element rows 12 is engaged with each other, the left side chain 1b is further stretched, thereby being disposed on the left side chain l〇b as shown in FIG. The protruding portion 33 of the lateral disengagement preventing portion 3 is pressed against the false sprocket 25 disposed on the right side chain belt l〇a. The sprocket 2 is thus subjected to a pressing force from the protruding portion 33 of the lateral disengagement portion 3, whereby the sprocket 25 is rotated counterclockwise as viewed from the front, whereby the sprocket 25 is rotated by the sprocket 25 The engaging opening of the clogging slider 5 is formed with a gap for preventing the lateral disengagement portion 30 from being inserted. Thereby, the lateral disengagement (four) is slidably attached to the dummy element 25, and is easily pulled out from the element guide path 58 via the gap formed in the engagement port (see Figs. 4 and 5). At this time, since the lateral disengagement portion 3 includes the narrow portion 32, it can be elastically deformed in a manner to be bent in the width direction of the chain fabric, and the anti-lateral disengagement portion 3 is formed in addition to the projection portion 33. One after another. Therefore, I54317.doc •41·201225872 Even if the lateral disengagement preventing portion 30 is formed to be long along the longitudinal direction of the chain fabric as described above, it is also required to be elastically deformed, and is not caught in the guide post of the slider 5〇. 55. And the second stopper portion 22 or the dummy sprocket 25 disposed on the right side chain belt 1〇a is smoothly inserted into the element guide passage 58 of the slider 50 and pulled out through the engaging opening of the slider 50. . Further, for example, when the slide fastener 1 of the present embodiment is used in the sweatpants 60 as described below, when the left and right key row drains 2 are separated from the fragile portion 5, the left side chain belt 1 〇 b may be opposed to each other. In the case of the right side chain belt 1 〇a, it is stretched in the left oblique direction. Even when the left chain belt 1〇b is stretched obliquely downward to the left, the lateral lateral disengagement portion 3 is also in the self-sliding member. The key guide channel 55 of the 50 is elastically deformed when pulled out. [The guide post 55, the second stopper 22 and the dummy key 25' which are not caught in the slider 5〇 can be passed through the slider 5 The engagement opening of the cymbal smoothly pulls out the lateral disengagement portion 30. Further, a pair of protruding portions 31a are disposed at the opening-side end portions of the slits 3 1 in the lateral preventing releasing portion 30, and the slit width in the opening-side end portions is narrowed. Further, when the lateral disengagement portion 30 is bent to the left side upper side flange 56 side of the slider 5A due to the elastic deformation, the slit width in the opening side end portion of the slit 3 1 is caused by the projection portion. 31a is further narrowed. In this way, the slit width in the opening-side end portion of the slit 31 is narrowed, whereby when the anti-lateral releasing portion 3 is pulled out from the slider 50, the slit 3 of the lateral releasing portion 3 can be prevented. 1 is a lower left upper side flange 56 of the inner side of the sliding member 50. Therefore, in the present embodiment, it is possible to prevent a problem caused by the lower flange 56 above the slider 50 in the slit 3 of the lateral disengagement preventing portion 3, for example, pulling out the lateral disengagement portion. At 30 o'clock, the lateral disengagement portion 3 is stuck on the upper and lower flanges 56, or • 42-154317.doc

In the state of being stuck on the upper and lower side flanges 56, the S201225872 is caused by the forced stretching of the lateral disengagement preventing portion 30 to cause the lateral disengagement portion 30 to be broken or to fall off from the chain cloth ub. Then, the left side chain belt 10b is stretched and the anti-lateral releasing portion 30 is completely pulled out from the slider 50, whereby the left and right chain belts 10a, 1b can be pulled apart to open the zipper i. According to the zipper of the present embodiment, the lateral tension is applied to the brittle portion 15 provided in the element row 12, whereby the left and right element rows 12 can be easily made from the brittle portion 15 without sliding the slider 5? And quickly separate to open the zipper 1. The slide fastener 1 of the present embodiment as described above is preferably used for, for example, the sweatpants 60 shown in Fig. 6 as a pull-joined product. Here, the sweatpants 60 to which the slide fastener 1 of the present embodiment is attached will be described. Further, the pull link product to which the zipper 1 of the present invention is attached is not limited to the pants 6 and can be applied to various other commodities. The sweatpants 60 shown in the figure are made of a material having excellent stretchability. In the pair of pants 60, the slide fastener 1 of the present embodiment is sewn from the one end portion on the waist side of the right and left leg portions 61 to the other end portion on the hem side. Further, in the case of observing, for example, the zipper 1 shown in Fig. 1 and the zipper cymbal shown in Fig. 6, the length dimensions of the zipper 1 are different from each other, but the substantial configurations of the two zippers 1 are the same. In this case, in order to facilitate the operation of the slide fastener 1, the end portion (front end portion) of the side of the slide fastener 1 on which the stopper 20 and the lateral release preventing portion 3 are disposed is disposed on the waist side of the sweatpants 60 and The end portion (rear end portion) of the side of the zipper i on which the opening and closing pressure buckle 4 is disposed is disposed on the side of the lower side of the sweatpants, and the 154317.doc • 43· 201225872 key 1 is attached to the sweatpants. 60. In this case, the elastic portion 15 of the element row 12 is disposed in the vicinity of the knee portion of the left and right leg portions 61 in the zipper 1 sewn to the sweatpants 60. Such a motion turn 60 is configured such that the element rows 12 of the respective pull keys 1 disposed on the left and right leg portions 61 are separated and the corresponding one of the pair of key bands i〇a, l〇b is pulled away. This opens the leg portion 61 of the pants 6 into the front piece and the back piece. Thus, the slide fastener 1 of the present embodiment is sewn in the sweatpants 60 of the left and right leg portions 6,, for example, the slider 50 is slid to the end portion of the opening and closing pressure buckle 4〇 side to separate the fastener element rows 12' The first and second opening fitting members 41, 42 of the opening and closing pressure buckle 4 are pulled apart, thereby pulling apart the chain belts 1a, 10b of the respective zippers i, so that the pants 60 can be changed from the pants shape. The left and right leg portions 61 are opened into a shape of the body piece portion and the back body piece portion. Further, the left and right leg portions 6 i are opened into the pants 6 of the front body portion and the back body portion, and the sliders 50 of the slide fasteners 1 are slid to engage the element rows 12, thereby being able to be restored. Pants form. Therefore, when such a pair of pants 60 has a pants form, it can be worn or detached in the same manner as the conventional general pants. Further, in the case of wearing and detaching the pants 60, the waist of the pants 6 is usually stretched, and it is easy to apply a lateral pulling force to the front end of the stopper 20 side of the zipper 1. In this case, the zipper cymbal of the present embodiment is configured such that the slider 50 and the i-th stopper 21 abut against each other and are stably held by the second stopper 22 when stopped as described above. Moreover, even if the end portion (front end portion) of the second side of the stopper of the nickel cymbal is subjected to the lateral pulling force, it is difficult to report the sliding member 5 to the opening and closing pressure 154317.doc

S -44- 201225872 The force of sliding on the side (rear) of the buckle 40 acts on the slider 5〇β. Therefore, in the present embodiment, even when the pants 60 are worn and worn, the waist is elongated and the stop of the zipper i is blocked. When the lateral tension is applied to the distal end portion, the sliding member 50 can be arbitrarily slid in the direction in which the element rows 12 are separated without any labor, and the meshing displacement of the element rows 12 can be stably maintained. Therefore, in the state in which the pants are stably held, the pants 60 can be removed (4) and (4). On the other hand, in the present embodiment, for example, in a state in which the pants are worn, the knees of the front body portion of the pants 60 are gripped and stretched forward, thereby being disposed in each of the zippers. When the brittle portion 15 applies a lateral pulling force, the element tooth row 2 of the slide fastener 1 can be separated from the stopper 2 〇 side and the opening and closing pressure buckle 40 side with the brittle portion 15 as a starting point. Further, in this case, the left and right sprocket teeth are made. After the row 12 is separated from the position of the slider 5 (Fig. 3), the lateral disengagement portion disposed on the left side chain belt 1b is stretched obliquely downward with respect to the slider 50. Thereby, the lateral disengagement portion 3b can be pulled out from the element guide path 58 of the slider 50, and the pair of leg portions l〇a, lb can be pulled apart from one of the leg portions 61. As a result, the left and right leg portions 61 of the sweatpants are opened into the front body piece portion and the back body piece portion, so that the pants can be easily and quickly removed even in the state in which the athletic shoes are worn, for example. In the present invention, the shape and size of the lateral disengagement preventing portion 3 and the stopper 2, and the shape of the fastener element 13 or the brittle portion 15 are not limited to the above-described embodiments, and may be arbitrarily changed as needed. That is, if the lateral disengagement portion of the present invention has a smaller gap between the gaps of the sliders 154317.doc-45·201225872, the gap between the gaps is larger and larger and includes at least one narrow portion. For example, the form shown in (a) to (d) of Fig. 7 can also be employed. For example, the lateral disengagement portion 71 shown in Fig. 7(a) is configured such that the narrow portion 71b is formed along the width direction of the chain from the right end edge of the lateral disengagement portion 71. Sew 71 a. Further, for example, the lateral disengagement portion 72 shown in Fig. 7(b) is formed such that a narrow width forming the rear side is formed from the left end edge of the inner side of the chain fabric from the lateral disengagement portion 7'. The slit 72a' of the portion 72b is further formed with a slit 72c forming a narrow portion 72d on the front side from the right end edge of the lateral disengagement portion 71. The lateral disengagement portions 71 and 72 shown in Figs. 7(a) and 7(b) have the same length dimension in the longitudinal direction of the chain fabric as the anti-lateral disengagement portion 30 of the above-described embodiment, and the forward and reverse directions of the chain cloth. The thickness dimension also has a fixing strength to the chain cloth 11 b which is substantially equal to the lateral releasing portion 30 in the above embodiment. Further, the lateral disengagement portions 71 and 72 shown in Figs. 7(a) and 7(b) are configured such that the narrow portions 71b, 72b, and 72d formed by the slits 71a, 72a, and 72c can be used. It is elastically deformed in such a manner as to bend in the width direction of the key cloth. Further, in the lateral disengagement portion 7丨_ shown in Fig. 7(a), the core portion of the chain cloth is disposed at the opening-side end portion (right end portion) of each slit 7 j a . Further, in the lateral disengagement portion 72 shown in Fig. 7 (b), the core portion of the chain is disposed at the opening side end portion (right end portion) of the front side slit 72c. When the core portion of the chain is disposed at the end portion of the slits 71 a and 72 c at the end portion of the slits 71 a and 72 c, the core portion itself is difficult to expand and contract, and the core portion can be configured to prevent the lateral disengagement portion 71. 72 elastic deformation limit 154317.doc -46- 201225872 is the deformation limit mechanism within the specified range. Further, in the lateral preventing release portion 72 shown in Fig. 7 (b), a projection is provided at the opening-side end portion of the rear side slit 72a, whereby the deformation restricting mechanism can be constructed. Further, the lateral disengagement preventing portion 3' in the above embodiment and the lateral disengaging portions 71, 72 shown in Figs. 7(a) and 7(b) respectively include two narrow portions formed by slits. In the present invention, the number of the narrow portions disposed in the lateral disengagement preventing portion is not particularly limited and may be arbitrarily changed. On the other hand, in the lateral disengagement portion 73 shown in, for example, FIG. 7(c), a concave portion is disposed along the longitudinal direction of the key sheet at a central portion in the chain width direction of the lateral disengagement portion 73. Part 73a. The lateral disengagement portion 71 includes a concave portion 73a, and a narrow portion of the size of the chain width direction of the lateral separation preventing portion 71 is formed in a region in the longitudinal direction of the chain in which the concave portion 73a is disposed. 73b. Further, for example, in the lateral disengagement portion 74 shown in Fig. 7 (d), two concave fitting portions 74a' are disposed independently in the central portion of the lateral disengagement portion 74 in the chain width direction. The region of the longitudinal direction of the concave-concave portion 74a in the longitudinal direction of the chain is formed with a narrow portion 74b which is reduced in size in the chain width direction of the lateral releasing portion 71 by the concave fitting portion 74a. The lateral disengagement portion 73'74 shown in Figs. 7(c) and (d) has a length dimension in the longitudinal direction of the chain cloth and a forward and reverse direction of the chain cloth, which is equivalent to the lateral disengagement portion 30 in the above embodiment. Further, the thickness dimension of the upper portion is configured to be elastically deformed so as to be curved in the width direction of the chain by the narrow portions 73b and 74b formed by the concave fitting portions 73a and 74a. Even if the zipper of the lateral detachment preventing portion 154317.doc-47-201225872 71-74 shown in Fig. 7(a) to Fig. 7(d) is included, when the zipper in the closed state is subjected to the lateral pulling force, The lateral disengagement preventing portions 71 to 74 can be prevented from being withdrawn from the element guide path of the slider via the link insertion gap, so that the closed state of the chain can be maintained. Further, when the left and right element rows are separated from the brittle portion and the left and right chain belts in the closed state are pulled apart, the lateral disengagement portions 71 to 74 are elastically deformed, thereby preventing the lateral disengagement while minimizing Open? 1 to 74 interfere with the sliders. One side of the slider is smoothly pulled out of the lateral disengagement portion 7 to 74. Further, the lateral disengagement portion 3A in the above embodiment and the lateral disengagement portions 71 to 74 shown in Figs. 7(a) to 7(d) are such that the chain cloth is exposed in the slit or concave. The inside of the fitting portion is formed by excluding synthetic resin from the inside of the slit or the concave fitting portion. However, even if a bottom portion including a synthetic resin is disposed in, for example, a slit or a concave portion of the lateral disengagement preventing portions 3A, 71 to 74, the lateral disengagement portion 3 can be prevented by the selection of the synthetic resin material. 71 to 74, in the case of securing the required elastic deformation, a bottom portion may be formed in the slit or recessed portion of the lateral disengagement preventing portions 3, 71 to 74. Further, as shown in Fig. 8, the zipper 8 such as the zipper 81, the second stopper 82, the sprocket 83, and the lateral disengagement portion 84, which are modified according to the present invention, may include fin portions 81a, 82a, 83a, respectively. 84a, the fin portions 8U, 82a, 83a, 84a not only improve the fixing strength with the chain cloths 11&, Ub, but also prevent the upper side flange 56 and the chain above the slider 50 when sliding the slider 50. The cloth 1 ia, 11 b is rubbed, and is disposed so as to protrude from the side edge of the key cloth of the fastener element 8 or the like toward the inner side of the key cloth. Further, in the slide fastener 1 of the above-described embodiment, the second stopper portion 22 of the stopper 20 is provided with a slider locking portion 154317.doc-48-201225872 22b' which is elastically deformable in the width direction of the chain. It is possible to arbitrarily select whether or not the slider locking portion is disposed in the second stopper according to the use of the pull button. Therefore, in the present invention, as shown in Fig. 8, the second stopper portion 82 may be formed without providing the slider locking portion. Further, in the present invention, the form of the brittle portion is not particularly limited as long as it can partially reduce or eliminate the meshing force of the left and right element rows in the brittle portion of the element row. For example, as shown in FIG. 8, the brittleness (four) may be configured such that the sprocket of the wall-receiving head is not used as in the above embodiment, but the size of the splicing head is made larger than that of the other sprocket 81. The smaller sprocket 86a is attached to the chain fabrics Ua, lib. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front view showing a zipper according to an embodiment of the present invention; Fig. 2 is a schematic view showing a state in which a slider is held at a stop in the zipper; Fig. 3 is a view showing a zipper FIG. 4 is a schematic view showing a state in which the sliding member of the sliding member is pulled out from the engaging opening of the sliding member; FIG. 5 is a schematic view showing a state in which the sliding member is separated from the engaging opening of the sliding member; FIG. 6 is a perspective view showing a state in which the sliding member is pulled out; FIG. 6 is a perspective view showing a movable pants in which the zipper is sewn; and FIGS. 7(a)-(d) are views showing a mode of a modified example of the slider sliding body. Figure 8 is a front view of a zipper schematically showing a modification of the present invention; and 154317.doc -49 - 201225872 Figure 9 is a schematic view of a prior zipper front view. [Description of main component symbols] 1 zipper 10a, 10b chain belt 11a, lib chain cloth 12 key row 13 sprocket 13a head 13b body portion 13c neck portion 14 forcible portion 15 brittle portion 20 stop 21 first stop Portion 21a Main body portion 21b Stop portion 22 Second stopper portion 22a Fixing portion 22b Slider locking portion 22c Hole portion 22d First side wall surface 22e Second side wall surface 22f Third side wall surface 25 False element I54317.doc · 50 · 201225872 25a Main body portion 25b Head portion 30 Anti-lateral disengagement portion 31 Slit 31a Projection portion 32 Narrow portion 33 Projection portion 40 Opening and closing pressure clasp 41 First opening fitting member 41a Sliding member holding portion 41b Segment portion 41c Rotation support portion 41d reinforcement portion 42 second opening fitting member 42a main body portion 42b pivoted support portion 42c projecting portion 42d projection portion 50 slider 51 slider body 52 pull tab 53 upper flap 54 lower flap 55 guide Column 154317.doc •51 - 201225872 56 56a 56b 57 58 60 61 71 71a 71b 72 72a 72b 72c 72d 73 73a 73b 74 74a 74b 80 81 81a Lower flange parallel section inclined section pull tab mounting post keyway guiding road Legs, lateral disengagement, slit, narrow section, lateral disengagement, slit, narrow section, slit, narrow section, lateral disengagement, recessed section, narrow section, lateral disengagement, recessed section, narrow section Zipper element fin portion 154317.doc -52- 201225872 82 Second stopper portion 82a Fin portion 83 False element 83a Fin portion 84 Anti-lateral disengagement portion 84a Fin portion 86 Brittle portion 86a Sprocket 90 Pull key 91 key with 92 key cloth 92a core part 93 key row 93a sprocket 93b fragile part 94 slider 95 stop 96 opening and closing pressure buckle 96a pin 96b pin 96c open tail tube I54317.doc -53-

Claims (1)

201225872 VII. Patent application scope: 1. A zipper, characterized in that it is a zipper (1, 80), which comprises: a chain of opposite pairs of first and second chain cloths (11 a, 11 b) A pair of left and right first and second chain belts (l〇a, l〇b) of the chain element row (12) and a sliding member (5〇) slidable along the element tooth row (12) are attached to the side edge portion of the cloth. a stop (20) disposed on one end side of the element row (12) in the first chain belt (10a), and a portion disposed on the element row (12) and locally reducing or eliminating the left and right sides At least one brittle portion (丨5, 86) of the meshing force of the element row (12), the slider (50) is provided with a substantially γ-shaped element guide between the upper and lower blades (53, 54) a path (58) in which a chain insertion gap of the first and second link fabrics (1 la, 1 lb) is formed at a side edge portion of the slider (5 〇), and the sprocket in an engaged state can be obtained. The row (12) is separated from the brittle portion (15, 86) to pull the first and second chain belts (l〇a, l〇b) apart; and in the second chain belt (l〇b) One end side of the above-mentioned element tooth row (丨2) is arranged to prevent lateral disengagement a portion (3〇' 71, 72, 73, 74, 84); the above-mentioned lateral disengagement portion (30, 71, 72, 73, 74, 84) is provided with a chain cloth having a larger interval than the above-mentioned chain cloth insertion gap The thickness of the laterally disengaged dimension in the opposite direction is such that when the first and second chain belts (10a, lb) in the closed state are subjected to the lateral pulling force, the second chain cloth (11b) is prevented from being self-contained. The element guide path (58) of the slider (5〇) is pulled out through the chain insertion gap; the lateral release preventing portion (3〇, 71, 72, 73, 74, 84) The portion having the thickness that prevents the k-direction from being separated includes at least one narrow portion (32, 7ib, 72b, 72d, 73b, 154317.doc 201225872 74b) that reduces the size in the width direction of the chain. 2. The zipper of claim 1, wherein the narrow portions (32, 71b, 72b, 72d) are provided with slits (31, 71a, 72a, 72c) in the lateral disengagement portions (30, 71, 72). And constitute. 3. The zipper of claim 2, wherein the slits (31, 72a) are disposed along a side wall width direction from a side edge of the inside of the chain in the lateral disengagement portions (3, 72). 4. The zipper of claim 3, wherein the slit width in the opening-side end portion of the slit (31) is narrowed. 5. The zipper of claim 2, wherein the slits (71a, 72c) are along an edge of the side of the lateral disengagement portion (7丨, 72) opposite to the stopper (20) The chain width is configured in the direction of the chain. 6. The zipper of claim 1, wherein a core portion (14) is disposed on a chain edge side edge of the first and second chain fabrics (lia, ilb), and is disposed on a core of the second chain cloth (Ub) At least a portion of the portion (14) is embedded in the lateral disengagement portion (30, 71, 72, 73, 74, 84). 7. The pull key of claim 1, wherein It is defined as a self-guided post (55) that can be accommodated in the length of 73, 74, and 84), and is sized relative to the above-described sprocket guiding path (58) of 154317.doc 201225872. 8. The zipper of claim 1, which comprises a deformation restricting mechanism for limiting the amount of elastic deformation of the lateral preventing portion (3〇, 71, 72) to a predetermined range. 9. The zipper according to claim 1, wherein the narrow-width portions (73b, 74b) are configured by arranging concave-concave portions (73a, 74a) in the lateral disengagement preventing portions (73, 74). 10. The zipper of the request item, wherein a dimension of a width direction of the narrow width portion (32, 71b, 72b, 72d, 73b, 74b) is set to be smaller than the lateral lateral disengagement portion (30, 71, 72) , 73, 74) The size of the chain in the forward and reverse directions. 11. The zipper of claim 1, wherein the lower flange (56) above the slider (50) includes parallel portions (56a) disposed on the engagement opening side of the slider (5〇) in parallel with each other, and An inclined portion (56b) extending from one end of the parallel rafter (56a) and increasing the interval between the left and right upper side flanges (56) toward the introduction port; the lateral lateral disengagement portion (3〇, 71, The narrow 邛P2, 71b, 72b, 72d, 73b, 74b) of 72, 73, 74) are arranged above and below the slider (50) stopped at the end of the stopper (2 〇) side. The inclined portion (56b) of the side flange (56) is in the range of the longitudinal direction of the chain. 12. The zipper of claim 1, wherein the lateral disengagement portion (3〇) has a flat surface on a side opposite to the stopper (2〇). The zipper of claim 1, wherein the lateral disengagement portion (30, 71, 72, 73, 74) includes a protrusion (33) that protrudes toward the first chain cloth (11a), a dummy element (25) is disposed between the stopper (20) and the key row (12) in the first chain cloth (11a), and the dummy element (25) is fixed to the first a main body portion (25a) of the chain cloth (ua) and the above-mentioned lateral disengagement portion (30, 71, 72, 73, 74) facing the second chain belt (1〇b) from the main body portion (25a) A head portion (25b) extending between the element rows (12) and slidably coupled to the protruding portion (33) of the lateral disengagement portion (3〇, 71, 72, 73, 74). 1 . The pull button of claim 1, wherein the stop (20) comprises a stop portion (22) having a guide post (55) and an upper and lower flange (56) larger than the slider (50). The gap between the widths of the links in the width direction, the stopper portion (22) includes the guide post (55) abutting against the slider (50) and locking the slider (5) The slider locking portion (22b) is configured such that the slider locking portion (22b) is elastically deformable along the width direction of the chain. 154317.doc