201026248 六、發明說明： ·/ 【發明所屬之技術領域】 本發明係關於一種排列設置有鏈齒之拉鍵，例如在將該 拉鏈用於衣服左右前身之開合用時，可漂亮地精加工顯現 於該衣服表面側之拉鏈表面之外觀。 【先前技術】 先前’已知有對排列設置於拉鏈之各鏈齒之表面施予裝 飾’或使各鏈齒之形狀成為商品形狀，或形成為商標標鍵 • 之形狀者（例如參照專利文獻1)。 此外，先前已知有一種立體拉鏈，其係排列設置形成有 可增加對於拉鏈寬度方向（左右方向）之橫拉強度之突緣、 及供該突緣嚙合之嵌合溝之鏈齒，在使該左右之鏈齒彼此 响合時’係將左右之鏈齒行表襄有階差地由滑件左右之導 入口導入’並由表裏方向及左右方向傾斜地使左右之鏈齒 行合流而嚙合（例如參照專利文獻2及3)。 專利文獻1:國際公開第2005/101974號手冊 ® 專利文獻2 :日本特公昭61-22961號公報 專利文獻3 :曰本特公昭62-40002號公報 【發明内容】 發明所欲解決之問題 專利文獻1所記栽之拉鏈中，其鏈齒表面或形成為商品 形狀，或形成為商標標誌，若放大來看則成為吸引使用者 注意之設計。—艘而言，拉鏈之各個鏈齒係長邊為3 mm〜5 mm左右之大小。因此，若從稍稍遠離之處觀看則 140220.doc 201026248 會產生表現於鏈齒之商^形狀或標誌'難以辨識之問題。 此外1刖通常使用之具備由樹脂成形所形成之鏈齒的 拉鏈《上述專利文獻2及3所記載之立體拉鍵中，由於鍵 齒單體之形狀係呈嗓合時所必要之功能的形狀故其外觀 明顯呈現此係拉鏈本身’係難於對其外觀施予美的佈置 者。因此，在將該拉鏈用於衣服及皮包等物品時，有產生 與該物品之設計不融合之情形的問題。 又，在先前之拉鏈中，在使固著於左右鏈帶的相對侧緣 之左右之鏈齒彼此嚙合時，係藉由使左右之鏈齒在與鏈布 相同之平面内由左右方向呈γ字狀地合流，而使相互之鏈 齒彼此嚼合。如&，在僅由左右方向進行相互之鏈齒彼此 之嚙合與分離時，由於需要使鏈帶以小的曲率向左右方向 彎曲，故需要預先使排列設置於鏈布側緣之鏈齒彼此間之 間隔空出1 mm〜2 mm左右。 在使左右之鏈齒行彼此嚙合而使左右之鍵帶關閉之狀 態，上述鏈齒彼此間之間隔係在左右鏈齒行之兩侧作為間 隙而交互存在。該在左右之鏈齒行存在之間隙，其存在在 衣服或皮包等物品之外觀上，成為總是提示拉鏈之存在 者。 本發明係為改善如此之先前技術而創造者，其目的在於 提供一種排列設置有鏈齒之拉鏈，該拉鏈可淡化處於嚙合 狀態之左右鏈齒行的存在感’並可對其外觀進行漂亮地精 加工0 解決問題之技術手段 140220.doc -4- 201026248 為解決上述問題，本發明之拉鏈具# :固著於第1鍵帶 之鍵布之—側緣的第1鏈齒行；固著於第2鍵帶之-側緣之 第2鏈齒订’及滑件，係具有使相對配置之前述第1鍵齒行 及第2鏈齒行插通而進行嚙合及分離之鏈齒引導通路； 且在將别述第1及第2鏈帶之鏈布面垂直方向的一面作為 表面另面作為背面時，前述第1鏈齒行與第2鏈齒行之 鍵齒具有：延出有固著於前述鏈帶之表裏一對之固著聊部 的鏈齒本體部；由該鏈齒本體部向相對之鏈齒行側延出之 參喃口頸彳及由該唾合頸部進一步朝向前端而膨出之喊合 頭部；由前述鏈齒本體部之表面側向相對之鏈齒行側延出 的表面扣止，及形成於前述嚙合頸部或嚙合頭部之表面 側的背面扣止部；且，前述滑件之鏈齒引導通路具有：在 表裏方向有階差地配置之左右之導入口，其係使分離狀態 之第1鏈齒行及第2鏈齒行進入或排出者；及嚙合口其係 使嚙合狀態之第1鏈齒行及第2鏈齒行排出或進入者；前述 拉鏈之特徵在於：其係使前述第丨鏈齒行之表面扣止L之 延出長度，比前述第2鏈齒行之表面扣止部之延出長声較 短地形成。 又，根據本發明之又一發明，其特徵在於其係使前述第 1鏈齒行及第2鏈齒行之表面側形狀成為矩形形狀。 又，根據本發明之又一發明，其特徵在於其係使前述第 1鏈齒行及第2鏈齒行之表面侧形狀成為平面形狀。 發明之效果 根據本發明，藉由使在固著於第1鏈帶之相對側 之第1 140220.doc 201026248 鍵齒行形成的表面扣止部之延出長度，形成得比在固著於 第2鏈帶之相對側緣之第2鏈齒行形成之表面扣止部之延出 長度短’在進行左右鏈齒行彼此之嚙合時，係將延出長度 較短的第1鏈齒行從背面側、延出長度較長的第2鍵齒行從 表面侧表裏有階差地導入，從表裏方向及左右方向傾斜地 使左右之鏈齒行彼此合流’而使相互之鍵齒彼此之唾合變 得容易。而且，在使處於嚙合狀態之左右之鏈齒行彼此分 離時’係在表裏方向及左右方向傾斜地使鏈齒行彼此分 離，而使相互之鏈齒彼此之分離變得容易。 先前之通常之拉鏈中係僅利用左右方向之移動進行嚙合 及分離，相對於此，本發明之拉鏈係藉由採用可並用表襄 方向之移動而進行嚙合及分離之鏈齒形狀，可減少在進行 鏈齒行之嚙合及分離時之左右方向之移動。若使左右方向 之移動減少，則可增大鏈帶所要求之在鏈布平面内之最小 曲率。因此，可將排列設置於鏈布側緣之鏈齒彼此之間隔 縮小至0.3 mm〜0.7 mm左右，而較大地獲得嚙合狀態之鍵 齒表面側之專有面積。而且，由於使排列設置於鏈布側緣 之鏈齒彼此之間隔縮小，可獲得使拉鏈之存在感淡化之外 觀。 此外，藉由將第1鏈齒行及第2鏈齒行之表面侧的形狀形 成為矩形形狀，可精加工成不易聯想到拉鏈鏈齒之外觀。 而且，藉由在表面側，使其成為或附加有凹凸形狀、或附 加有雕刻、或附加有花紋、或附加有明暗層次等色彩之裝 飾面，可將拉鏈之鏈齒行用作衣服或皮包等物品之裝飾的 140220.doc 201026248 一部分。而且’可更加漂亮地精加工物品之外觀。 又，藉由使第1鏈齒行及第2鏈齒行之表面側形狀成為平 面形狀’可容易地進行喷墨印刷、及薄膜黏貼、花紋等之 熱轉印、雕刻、雷射加工等後續加工。而且，可低價提供 一種附加有更精細且鮮明花紋及標誌之拉鏈。 【實施方式】 以下就本發明之拉鏈之代表性實施形態，一面參照圖式 一面進行具體之說明。 圖1係由表面側觀看本發明之拉鏈的平面圖，係說明在 該圖之上方處於分離狀態之鏈齒行朝下方轉移至嚙合狀態 之狀態圖。圖2係圖1所示之拉鏈的左側面圖。再者，圖1 及圖2中’為便於說明鍵齒行之嚙合狀態及分離狀態，用 假想線表示有滑件50。 首先’定義在圖1及圖2所示之拉鏈1〇之座標系統。如圖 1所示，將第1鏈帶16及第2鏈帶17之各自的鏈布面設為χ-γ 平面。而且，在使拉鏈10左側之第丨鏈齒12行及右側之第2 鏈齒13行彼此嚙合時，將與該嚙合轴線平行之長向的直線 定義為Y轴，將第1鏈齒12行及第2鏈齒13行成為分離狀態 而打開之側定義為+Y方向》 然後，將圖1所示之拉鏈10之左右方向（寬度方向）定義 為X軸，將第1鏈帶16存在之左侧定義為_χ方向，將第2鍵 帶17存在之右側定義為+χ方向。 此外’如圖2所示，將拉鏈1G之各鍵布之表裏方向定義 為2轴。而且將分別形成有^鏈齒12行之裝飾面⑶及第2 140220.doc 201026248 鏈齒13行之裝飾面13F的面定義為拉鏈1〇之表面，並將該 拉鏈10之表面側定義為+Z方向，因此，拉鏈1〇之背面側 為-Z方向。 拉鏈10係例如開合上衣之左右前身或皮包等開口之開合 件。如圖1所示，在構成拉鍵10之左右之第i鏈帶16及第2 鏈帶17之相對的側緣部，沿該側緣部形成有向鏈布之表裏 方向膨出的芯部14。以夾持此等芯部14之方式，藉由每隔 特定間隔CR排列設置多數之第i鏈齒12及第2鏈齒13而形 成左右之鏈齒行。此外，作為第丨鏈齒丨2及第2鏈齒13之素 材可使用聚縮醛等樹脂成形品。 再者’詳細將於後段進行說明，根據本發明，如在圖1 之拉鏈10所示，可將第1鏈齒12及第2鏈齒13之表面形狀形 成為矩形形狀。且’可將第1鏈齒12行及第2鏈齒13行之各 鍵齒彼此之間隔CR縮小。如此’藉由將第1鏈齒12及第2 鏈齒13之表面形狀形成為矩形形狀、或將各鏈齒彼此之間 隔CR縮小，可增大嚙合狀態之鏈齒的專有面積。而且， 對於使用者而言可獲得使拉鍵1〇之存在感淡化之外觀。 此外，如圖1及圖2所示，拉鏈10具備可使第丨鏈齒12行 及第2鏈齒13行插通而使上面開放之滑件5〇。滑件5〇具備 引導第1鍵齒12行及第2鍵齒I3行之+z側之上翼片52，及引 導第1鍵齒12行及第2鍵齒13行之-Z側之下翼片53。 為伴隨滑件50之移動而使第1鍵齒12行及第2鍵齒13行彼 此嚙合起來，在滑件50之上翼片52及下翼片53之兩側緣 部’延伸設置有使雙方之鏈齒彼此由左右方向合流之凸緣 140220.doc 201026248 5 OF。而且’在圖1及圖2未顯示’但在延伸設置於上述上 翼片52及下翼片53之凸緣50F彼此相對之細長的間隔部 分，形成有用於使第1鏈帶16及第2鏈帶π之鏈布插通之布 帶溝。 此外，如圖2所示，在滑件50之上翼片52之+2：側的表面 直立設置有安裝柱56。在安裝柱56之中央部開設有轴承孔 56A ’其係在使該滑件50向±丫方向移動時，旋動自如地保 持利用者所握持之拉片59之轴部者。 ❹ 如圖1所示，在滑件50之内部，用於使第！鏈齒12行及第 2鏈齒13行貫通於滑件50之前後方向（+γ方向及_γ方向）的 鏈齒引導通路51 ’係以由左右之凸緣5〇f包圍之形式形成 為平面視之Y字形。在開口於該鍵齒引導通路5丨之+γ側之 第1導入口 50L及第2導入口 50R之中央部，配置有連結上翼 片52與下翼片53之連結柱50D。該連結柱50D之形狀係向_γ 侧形成尖的楔狀’故藉由使滑件50向彳方向移動可使處於 响合狀態之第1鏈齒12與第2鏈齒13向左右方向分離。 如圖2所示’第1導入口 50L在第2導入口 50R之内面側的_Ζ 侧具有階差地開口。因此，第1導入口 50L及第2導入口 50R ’係將處於分離狀態之左右之第1鏈齒行與第2鏈齒 13行有階差地導入或排出。而且，在鏈齒引導通路51内形 成有用於使處於嚙合狀態之左右之第！鏈齒12與第2鏈齒13 向表裏方向分離之表裏分離壁50E。 在鏈齒引導通路51之-Y側開口有嚙合口 50T。鳴合口 50T係將嚙合之左右之第1鏈齒12行及第2鏈齒13行向鍵齒 140220.doc 201026248 引導通路51導入或排出。 例如，在鏈齒引導通路5 1内，在使處於分離狀態之左右 之第1鏈齒12行與第2鏈齒13行嚙合時，係使滑件50向+Y方 向移動。如此則分別將處於分離狀態之第1鏈齒12行由第1 導入口 50L、第2鏈齒13行由第2導入口 50R表裏有階差地導 入’在鏈齒引導通路51内使雙方之鏈齒行由表裏方向及左 右方向傾斜地合流而相互嗜合。然後，由嗔合口 5 0T將成 為嚙合狀態之第1鏈齒12行及第2鏈齒13行排出。 另一方面’在鏈齒引導通路51内，在使處於嚙合狀態之 左右之第1鏈齒12行與第2鏈齒13行分離時，係使滑件50 向-Y方向移動。如此則滑件5〇之嚙合口 5〇T導入處於响合 狀態之第1鏈齒12行及第2鏈齒13行，在鏈齒引導通路51内 所形成之表裏分離壁50Ε(參照圖2)使雙方之鏈齒行向表裏 方向分離，並且’在鏈齒引導通路51内所形成之連結柱 50D(參照圖1)使雙方之鍵齒行向左右方向傾斜地分離。然 後’將成為分離狀態之第1鏈齒12行及第2鏈齒13行，分別 由第1導入口 50L及第2導入口 50R排出。 其次’就使第1鏈齒12行及第2鏈齒13行彼此嚙合之狀態 之拉鏈10的外觀進行說明。圖3係由+Z側（表面側）觀看處 於嚙合狀態之拉鏈10之立體圖，圖4係由-Z側（背面側）觀看 之立體圖。再者’對於與圖1及圖2所示之構件相同之構 件’附加相同之符號而省略其說明。 圖3所示之實施形態中，係使第丨鏈齒12及第2鏈齒13之 +Z側之裝飾面12F、13F成為矩形形狀之平面，於該處作為 140220.doc •10· 201026248 花紋附加有「ABC」。該花紋既可預先在鏈齒成形用之模 具雕刻’亦可藉由喷墨印刷或薄膜黏貼、熱轉印、雕刻、 雷射加工等後續加工而附加。如此，利用在第丨鏈齒12及 第2鏈齒13之裝飾面12F、13F附加精細且鮮明的花紋或色 彩’可減少拉鏈10之存在感，可將拉鍵1〇用作衣服或皮包 等物品之裝飾之一部分。而且，可更加漂亮地精加工衣服 或皮包等物品之外觀。 再者’圖4所示之實施形態中’第1鏈齒12及第2鏈齒13 © 之·Z侧之背面係與先前市售之樹脂成形之鏈齒大致相同的 外觀。如圖4所示’拉鏈1 〇之背面外觀係馬上會聯想到由 樹脂成形所形成的鏈齒行者。相對於此，圖3所示之第1鏈 齒12行及第2鏈齒13行之裝飾面12F、13F的外觀，係不會 馬上聯想到拉鏈1 〇之存在者。 接著’利用圖5〜圖8對第1鏈齒12及第2鍵齒13之構成進 行說明。圖5係由-Y側朝向+Y侧觀看第1鏈齒12之正視 圖，而圖6係由-Z側（背面側）朝向+z側（表面側）觀看第1鏈 響 齒12之背面圖。此外，圖7係由_γ侧朝向+γ側觀看第2鏈 齒13之正視圖，而圖8係由-Ζ侧（背面侧）朝向+2側（表面側） 觀看第2鏈齒13之背面圖。再者，對於與圖丨〜圖4所示之構 件相同之構件’附加相同之符號而省略其說明。201026248 VI. Description of the Invention: ·/ Technical Field of the Invention The present invention relates to a pull button in which a chain tooth is arranged, for example, when the zipper is used for opening and closing of a left and right front body of a garment, it can be beautifully finished. The appearance of the zipper surface on the side of the garment. [Prior Art] Previously, it was known that the surface of each of the fastener elements arranged in the zipper was decorated or the shape of each of the fastener elements was changed into a commercial shape or formed into a shape of a trademark key (for example, refer to the patent document). 1). Further, there has been known a three-dimensional slide fastener which is arranged to be formed with a flange which can increase the transverse tensile strength in the width direction (left and right direction) of the zipper, and a sprocket for the fitting groove for engaging the flange. When the left and right sprocket teeth are coupled to each other, the left and right sprocket lines are introduced into the left and right introduction ports of the sliders in a stepwise manner, and the left and right sprocket lines are joined by the slanting direction in the front and rear directions. For example, refer to Patent Documents 2 and 3). Patent Document 1: International Publication No. 2005/101974 Handbook® Patent Document 2: Japanese Patent Publication No. Sho 61-22961 (Patent Document 3) Japanese Patent Publication No. Hei 62-40002 In the zipper of the one recorded, the surface of the sprocket is formed into a product shape or formed as a trademark mark, and if it is enlarged, it is a design that attracts the user's attention. - For the ship, the long side of each chain of the zipper is about 3 mm~5 mm. Therefore, if you look at it from a slightly distant place, then 140220.doc 201026248 will produce a problem that is manifested in the shape or sign of the chain tooth. In addition, in the three-dimensional pull key described in the above-mentioned Patent Documents 2 and 3, the shape of the single element of the key is a function necessary for the twisting. Therefore, its appearance clearly shows that the zipper itself is difficult to decorate its appearance. Therefore, when the zipper is used for articles such as clothes and purses, there is a problem that it does not merge with the design of the article. Further, in the conventional zipper, when the left and right sprocket teeth fixed to the opposite side edges of the left and right chain belts are engaged with each other, the left and right sprocket teeth are γ in the left and right direction in the same plane as the chain cloth. The words merge in a zigzag manner, and the mutual strands are chewed to each other. For example, when the sprocket teeth are meshed and separated from each other only by the right and left directions, since the chain belt needs to be bent in the left and right direction with a small curvature, it is necessary to previously arrange the sprocket elements arranged on the side edges of the chain cloth to each other. The interval between the spaces is about 1 mm to 2 mm. In a state in which the left and right element rows are engaged with each other to close the left and right key bands, the gap between the elements is interposed as a gap on both sides of the left and right element rows. The gap between the left and right chain rows is present in the appearance of articles such as clothes or purses, and the presence of the zipper is always indicated. The present invention has been made in an effort to improve the prior art, and an object of the present invention is to provide a zipper arranged in a sprocket, which can lighten the presence of the left and right sprocket rows in an engaged state and can be beautifully refined. Processing 0. Technical means for solving the problem 140220.doc -4- 201026248 In order to solve the above problem, the zipper of the present invention is fixed to the first sprocket line of the side edge of the key cloth of the first key band; The second sprocket and the slider of the side edge of the second key band have a sprocket guiding passage for inserting and separating the first sprocket row and the second sprocket row disposed opposite each other; When the one surface of the first and second chain belts in the vertical direction is the other surface as the back surface, the key teeth of the first sprocket row and the second sprocket row have extensions and fixations. a pair of sprocket body portions of the splicing portion of the chain strap; a stalk neck portion extending from the sprocket body portion toward the opposite sprocket side and further toward the front end by the salivating neck portion And the bulging shouts the head; the surface of the sprocket body portion is laterally opposite a surface extending on the side of the tooth row and a back fastening portion formed on the surface side of the meshing neck or the engaging head; and the element guiding passage of the slider has a stepped arrangement in the front and back directions The left and right introduction ports are configured such that the first sprocket row and the second sprocket row in the separated state enter or exit; and the engagement port releases the first sprocket row and the second sprocket row in the engaged state or The zipper is characterized in that the length of the surface fastener L of the second sprocket row is extended longer than the surface fastener of the second sprocket row. According to still another aspect of the present invention, the surface side shape of the first element row and the second element row is a rectangular shape. According to still another aspect of the invention, the surface side shape of the first sprocket row and the second sprocket row is a planar shape. Advantageous Effects of Invention According to the present invention, by extending the length of the surface fastener formed by the first 140220.doc 201026248 key row fixed to the opposite side of the first fastener tape, the ratio is formed to be fixed. The surface fastener portion formed by the second chain of the opposite side edges of the two chain belts has a short extension length. When the left and right fastener rows are engaged with each other, the first fastener row having a shorter length is extended. The second key row having a long back side and a long extension length is introduced from the surface side surface stepwise, and the left and right element rows are merged from the front and rear directions and the left and right direction to make the mutual key teeth rejoice each other. It's easy. Further, when the sprocket rows in the meshing state are separated from each other, the sprocket rows are separated from each other in the front-rear direction and the left-right direction, and it is easy to separate the sprocket teeth from each other. In the conventional zipper, the zipper of the present invention is meshed and separated by only the movement in the right and left direction. On the other hand, the zipper of the present invention can be reduced in the shape of the sprocket which can be engaged and disengaged by the movement of the surface direction. The movement in the left-right direction when the meshing and meshing of the fastener elements is performed. If the movement in the left-right direction is reduced, the minimum curvature required in the chain plane of the chain can be increased. Therefore, the distance between the fastener elements arranged on the side edges of the chain fabric can be reduced to about 0.3 mm to 0.7 mm, and the exclusive area of the surface side of the key teeth of the meshing state can be largely obtained. Further, since the distance between the fastener elements arranged in the side edges of the chain fabric is reduced, it is possible to make the appearance of the slide fastener lighter. Further, by forming the shape of the surface side of the first sprocket row and the second sprocket row into a rectangular shape, it is possible to finish the appearance so as not to be associated with the fastener element. Further, the zipper chain can be used as a clothes or a bag by attaching or attaching a concave-convex shape on the surface side, or adding a decorative surface to which a pattern is added, or a color such as a light-dark layer is added. Part of the decoration of the item 140220.doc 201026248. Moreover, the appearance of the article can be finished more beautifully. Further, by making the surface shape of the first sprocket row and the second sprocket row into a planar shape, it is possible to easily perform inkjet printing, film adhesion, heat transfer, engraving, laser processing, etc. machining. Moreover, a zipper with a finer and distinctive pattern and logo can be provided at a low price. [Embodiment] Hereinafter, a representative embodiment of a slide fastener of the present invention will be specifically described with reference to the drawings. Fig. 1 is a plan view showing the zipper of the present invention viewed from the front side, showing a state in which the sprocket rows in the separated state above the figure are shifted downward to the engaged state. Figure 2 is a left side view of the zipper shown in Figure 1. Further, in Fig. 1 and Fig. 2, in order to explain the meshing state and the disengagement state of the key row, the slider 50 is indicated by an imaginary line. First, the coordinate system of the zipper 1 shown in Figs. 1 and 2 is defined. As shown in Fig. 1, the respective chain fabric faces of the first chain belt 16 and the second chain belt 17 are χ-γ planes. Further, when the rows of the second sprocket 12 on the left side of the zipper 10 and the second sprocket 13 on the right side are engaged with each other, a long straight line parallel to the meshing axis is defined as a Y-axis, and the first sprocket 12 is The row and the second sprocket 13 are separated and the side opened is defined as the +Y direction. Then, the left and right direction (width direction) of the zipper 10 shown in FIG. 1 is defined as the X axis, and the first chain 16 is present. The left side is defined as the _χ direction, and the right side of the second key band 17 is defined as the +χ direction. Further, as shown in Fig. 2, the direction of the front and back of each of the zippers 1G is defined as two axes. Further, a surface on which the decorative surface (3) of the sprocket 12 rows and the decorative surface 13F of the second 140220.doc 201026248 sprocket 13 are respectively formed is defined as the surface of the zipper 1〇, and the surface side of the zipper 10 is defined as + In the Z direction, therefore, the back side of the zipper 1 is in the -Z direction. The zipper 10 is, for example, an opening and closing member that opens and closes the left and right front body of the top or a bag. As shown in Fig. 1, at the side edge portions of the i-th chain belt 16 and the second chain belt 17 which constitute the right and left sides of the pull key 10, a core portion which bulges in the front and rear direction of the chain cloth is formed along the side edge portion. 14. A plurality of i-chain teeth 12 and second sprocket teeth 13 are arranged at predetermined intervals CR so as to sandwich the core portions 14, thereby forming left and right chain tooth rows. Further, as the material of the second sprocket 2 and the second sprocket 13, a resin molded article such as polyacetal can be used. Further, the details will be described later. According to the present invention, as shown in the zipper 10 of Fig. 1, the surface shapes of the first sprocket 12 and the second sprocket 13 can be formed into a rectangular shape. Further, the interval CR between the respective teeth of the first sprocket 12 row and the second sprocket 13 row can be reduced. Thus, by forming the surface shape of the first sprocket 12 and the second sprocket 13 into a rectangular shape or by narrowing the gap between the respective sprocket teeth, the exclusive area of the sprocket in the meshed state can be increased. Further, it is possible for the user to obtain an appearance in which the presence of the pull button 1 is diminished. Further, as shown in FIGS. 1 and 2, the slide fastener 10 is provided with a slider 5 that allows the second sprocket 12 row and the second sprocket 13 to be inserted to open the upper surface. The slider 5A has a +z side upper fin 52 that guides the first key 12 row and the second key I3 row, and guides the first key 12 row and the second key 13 row below the -Z side. Wing 53. The first key tooth 12 row and the second key tooth 13 are meshed with each other in association with the movement of the slider 50, and the both side edges of the flap 52 and the lower blade 53 are extended and extended on the slider 50. The flanges of the two sides are joined to each other by the flange 140220.doc 201026248 5 OF. Further, 'not shown in Figs. 1 and 2', but in the elongated spacer portion extending from the flange 50F of the upper flap 52 and the lower flap 53 to each other, the first link 16 and the second link are formed. The chain with the π chain is inserted into the cloth with a groove. Further, as shown in Fig. 2, a mounting post 56 is erected on the surface of the +2: side of the flap 52 above the slider 50. A bearing hole 56A' is opened in the center portion of the mounting post 56, and when the slider 50 is moved in the ±丫 direction, the shaft portion of the tab 59 held by the user is rotatably held. ❹ As shown in Figure 1, inside the slider 50, used to make the first! The sprocket guiding passage 51 ′ of the sprocket 12 row and the second sprocket 13 passing through the front and rear directions (+γ direction and γ γ direction) of the slider 50 is formed by being surrounded by the left and right flanges 5 〇 f The plane looks like a Y shape. A coupling post 50D that connects the upper blade 52 and the lower blade 53 is disposed at a central portion of the first introduction port 50L and the second introduction port 50R that are opened on the +γ side of the key guide passage 5A. The shape of the connecting post 50D is a wedge-shaped shape formed on the _γ side. Therefore, the first sprocket 12 and the second sprocket 13 in the reciprocating state can be separated in the left-right direction by moving the slider 50 in the 彳 direction. . As shown in Fig. 2, the first introduction port 50L has a stepped opening on the _Ζ side of the inner surface side of the second introduction port 50R. Therefore, the first introduction port 50L and the second introduction port 50R' are introduced or discharged with a step difference between the first element row and the second element 13 in the separated state. Further, in the sprocket guiding passage 51, the right and left of the meshing state are formed! The sprocket 12 and the second sprocket 13 are separated from the front and rear sides by a wall 50E. A meshing port 50T is opened in the -Y side of the element guide passage 51. The merging port 50T introduces or discharges the first sprocket 12 row and the second sprocket 13 row to the key 140220.doc 201026248. For example, in the element guide passage 51, when the first element 12 of the left and right sides in the separated state is meshed with the second element 13, the slider 50 is moved in the +Y direction. In this way, the first sprocket 12 in the separated state is introduced into the sprocket guiding passage 51 by the first inlet 50L and the second sprocket 13 from the front of the second inlet 50R. The chain of teeth is merged obliquely from the front and rear directions and the left and right directions to each other. Then, the first sprocket 12 row and the second sprocket 13 row which are in the engaged state are discharged by the splicing port 50T. On the other hand, in the sprocket guiding passage 51, when the first sprocket 12 row and the second sprocket 13 are separated from each other in the meshing state, the slider 50 is moved in the -Y direction. In this manner, the engagement opening 5〇T of the slider 5〇 is introduced into the first sprocket 12 row and the second sprocket 13 in the reciprocating state, and the front and rear separation walls 50 形成 formed in the sprocket guiding passage 51 (refer to FIG. 2) The both the sprocket rows are separated in the front-rear direction, and the connecting post 50D (see FIG. 1) formed in the sprocket guiding passage 51 separates the key rows of the both sides obliquely in the left-right direction. Then, the first sprocket 12 row and the second sprocket 13 row in the separated state are discharged from the first introduction port 50L and the second introduction port 50R, respectively. Next, the appearance of the slide fastener 10 in a state in which the first sprocket 12 rows and the second sprocket 13 are engaged with each other will be described. Fig. 3 is a perspective view of the zipper 10 in an engaged state viewed from the +Z side (surface side), and Fig. 4 is a perspective view as seen from the -Z side (back side). The same components as those shown in Figs. 1 and 2 are denoted by the same reference numerals, and their description is omitted. In the embodiment shown in Fig. 3, the decorative surfaces 12F and 13F on the +Z side of the second sprocket 12 and the second sprocket 13 are formed into a rectangular shape, where 140220.doc •10· 201026248 "ABC" is attached. The pattern may be previously engraved in a mold for sprocket forming, or may be added by subsequent processing such as inkjet printing or film bonding, thermal transfer, engraving, laser processing, or the like. In this manner, by adding a fine and vivid pattern or color to the decorative surfaces 12F and 13F of the second sprocket 12 and the second sprocket 13, the presence of the zipper 10 can be reduced, and the pull button 1 can be used as a clothes or a bag. Part of the decoration of the item. Moreover, the appearance of items such as clothes or purses can be finished more beautifully. Further, in the embodiment shown in Fig. 4, the back faces of the "first sprocket 12" and the second sprocket 13" on the Z side are substantially the same as those of the commercially available resin-molded sprocket. As shown in Fig. 4, the appearance of the back side of the zipper 1 马上 is immediately associated with the sprocket formed by the resin molding. On the other hand, the appearance of the decorative faces 12F and 13F of the first chain 12 row and the second chain 13 row shown in Fig. 3 is not immediately associated with the existence of the zipper 1 。. Next, the configuration of the first element 12 and the second element 13 will be described with reference to Figs. 5 to 8 . 5 is a front view of the first element 12 viewed from the -Y side toward the +Y side, and FIG. 6 is viewed from the -Z side (back side) toward the +z side (surface side). Figure. In addition, FIG. 7 is a front view of the second element 13 viewed from the _γ side toward the +γ side, and FIG. 8 is a view of the second element 13 from the -Ζ side (back side) toward the +2 side (surface side). back image. It is to be noted that the same reference numerals are given to members that are the same as those of the members shown in Fig. 4, and the description thereof will be omitted.
如圖5及圖6所示’第1鏈齒12具備：表裏一對之表面固 著腳部12U及背面固著腳部12V，該等係由表面侧及背面 側夾入固著第1鏈帶16之鏈布及芯部14者；鏈齒本體部 12Β，其係使上述表面固著腳部12U及背面固著腳部12V 140220.doc 201026248 向-X方向延出者；嚙合頸部12N，其係由上述鍵齒本體# 12B向相對之第2鏈齒13行側之+X方向延出者；及在上述 嚙合頸部12N之前端側膨出之嚙合頭部12H。 哺合頸部12N為在+Y及-Y側卡入形成於相對之2個第2鍵 齒13之嚙合頭部，形成有凹入的部分。嚙合頭部12H係用 於進入形成於相對之2個第2鏈齒13之嚙合頸部而膨出的部 分。該嚙合頸部12N及嚙合頭部12H，係在將左右之第1鍵 帶16及第2鏈帶17閉合之狀態，用於進行能承受左右方向 之橫向拉力之响合的响合部分。 此外，如圖5及圖6所示’係使由第1鏈齒12之鏈齒本體 部12B之表面側向第2鏈齒13行側之+X方向延出之表面扣 止部12D ’朝向-Z側而形成。該表面扣止部12D係向响合 頸部12N之+Z側、且向該嚙合頸部12N之各+Y側及_γ側之 雙方延出。 此外，在圖5所示之實施形態中，在唾合頸部1 2Ν及。齒合 頭部12Η之表面側的+Ζ側’形成有朝向+Ζ方向之背面扣止 部 12R。 背面扣止部12R係藉由與形成於相對之2個第2鏈齒13之 表面扣止部扣合，而用於阻止在嚙合狀態第1鏈齒12相對 於第2鏈齒13向+Ζ方向移動而表裏方向之嚙合脫開的嚙合 用構件。 此外，表面扣止部12D係藉由與分別形成於相對之2個第 2鏈齒13之背面扣止部扣合，而用於阻止在嚙合狀態第1鍵 齒12相對於第2鏈齒13向-Ζ方向移動而表裏方向之响合脫 140220.doc -12- 201026248 開的嚙合部分。 如此，藉由在第1鏈齒12形成表面扣止部12D及背面扣止 部12R ’在使左右之第1鏈帶16及第2鏈帶17閉合之狀態， 可進行能承受表裏方向之剪斷力之嚙合。 再者，如圖6所示，向+χ方向延出之表面扣止部12D之 第1延出長度12L，比後述之第2鏈齒13的表面扣止部之延 出長度較短地形成。如此，藉由較短地設定表面扣止部 12D之第1延出長度12L，可減少在進行第丨鏈齒12行與第2 ® 鏈齒13行之嚙合及分離時所需之左右方向的移動。其結 果，可較窄地設定第1鏈齒12彼此及第2鏈齒13彼此之間隔 CR。 繼之，利用圖7及圖8對第2鏈齒13之單體形狀進行說 明。 如圖7及圖8所示，第2鏈齒13具備··表裏一對之表面固 著腳部13U及背面固著腳部13V，該等係由表面側及背面 側夾入固著第2鏈帶17之鏈布及芯部14者；鏈齒本體部 13B，其係使上述表面固著腳部13U及背面固著腳部nv向 +X方向延出者；嚙合頸部13N，其係由上述鏈齒本體部 13B向相對之第1鏈齒12行側之_χ方向延出者；及在上述嚙 .合頸部13N之前端側膨出之唾合頭部13H。 嚙合頸部13N，為在+Y及_γ側卡入形成於相對之2個第1 鏈齒12之嚙合頭部12Η，形成有凹入的部分。嚙合頭部 13Η係用於進入开> 成於相對之2個第1鏈齒Η之响合頸部 12Ν之膨出的部分。该哺合頸部UN及喷合頭部13H，係在 140220.doc •13- 201026248 使左右之第1鏈帶16及第2鏈帶17閉合之狀態，用於進行能 承受左右方向之橫向拉力之喷合的喷合部分。 此外’如圖7及圖8所示，係使由第2鏈齒13之鏈齒本體 部13B之表面側向第1鏈齒12行側之_χ方向延出之表面扣止 部13D，朝向-Z側而形成。該表面扣止部丨3D係向嚙合頸 部13N之+Z側、且向該响合頸部13N之各+Y側及-Y側之雙 方延出。 此外，在圖7所示之實施形態中，在嚙合頭部！ 3H之表面 側的+Z側’形成有朝向+Z方向之背面扣止部13R。 背面扣止部13R係藉由與形成於相對之2個第1鏈齒12之 表面扣止部12D扣合’用於阻止在唾合狀態第2鏈齒13相對 於第1鍵齒12向+Z方向移動而表裏方向之嚙合脫開的喊合 用構件。 此外，表面扣止部13D係藉由與分別形成於相對之2個第 1鍵齒12之背面扣止部12R扣合’用於阻止在响合狀態第2 鍵齒13相對於第1鍵齒12向-Z方向移動而表裏方向之响合 脫開的响合部分。 如此，藉由在第2鏈齒13形成表面扣止部13D及背面扣止 部13R，在將左右之第1鏈帶16及第2鏈帶17閉合之狀態， 可進行能承受表裏方向之剪斷力之嚙合。 再者’如圖8所示，向-X方向延出之表面扣止部13D之 / 第2延出長度13L，如前所述，其係較第1鏈齒12的表面扣 止部12D之第1延出長度12L·較長地形成。如此，藉由較長 地設定表面扣止部13D之第2延出長度13L，可減小在使第 140220.doc -14- 201026248 1鍵齒12行與第2鏈齒13行彼此成為嚙合狀態時之裝飾面 12F及裝飾面13F間之縫隙。而且，可將在裝飾面12F及裝 飾面13F所表現之裝飾精加工為更加連續者，而對拉鏈1〇 之外觀進行漂亮地精加工。而且’藉由較長地設定表面扣 止部13D之第2延出長度13L，可提高在對處於嚙合狀態之 第1鏈齒12行及第2鍵齒13行施加有向上推力時的耐力。 接著’利用圖9〜圖11對第1鏈齒12行及第2鏈齒13行彼此 之嚙合狀態進行說明。圖9係由拉鏈1 〇之背面側（_2側）觀看 β 藉由第1鏈齒12行及第2鏈齒13行之左右方向之喷合狀態的 背面圖。圖10及圖11係由-γ側觀看藉由第1鏈齒12行及第2 鏈齒13行之表裏方向之嚙合狀態的圖，圖1〇係圖9所示之 Χ-Χ向視剖面圖，圖11係圖9所示之χι_χι向視剖面圖。 首先，利用圖9對第1鏈齒12行及第2鏈齒13行彼此之左 右方向的嚙合狀態進行說明。如圖9所示，第1鏈齒12利用 其嚙合頸部12Ν之凹入的側面，在+γ及·γ侧卡入相對之2 個第2鏈齒13之嚙合頭部13Η。同樣，藉由第2鏈齒13利用 其嚙合頸部1 3Ν之凹入的側面’在+丫及_γ側卡入相對之2 個第1鏈齒12之嚙合頭部12Η，進行能承受加於左右方向 (+Χ方向及-X方向）之力的鳴合。 此外，如圖9所示’將連結第i鏈齒12行之各嚙合頭部 之則端彼此的直線，與連結第2鍵齒13行之各喝合頭部 13H之前端彼此之直線的中間直線（平行於γ轴之直線）定義 為左右方向之嚙合軸線XC。此外，將連結第丨鏈齒12行及 第2鏈齒13行之各固著腳部之端部彼此的2條直線之中間直 140220.doc -15- 201026248 線（平行於Y轴之直線），定義為鏈齒中央線FC。該鏈齒中 央線FC，在由表面侧觀看拉鏈10時’係作為第1鍵齒丨2行 及第2鏈齒13行之各裝飾面12F、13F之中央線的線。 本發明中’如圖6及圖8所示’係使第1鏈齒12的表面扣 止部12D之第1延出長度12L，比第2鏈齒13行之表面扣止 部13D之第2延出長度13L較短地形成。因此，藉由將鍵齒 中央線FC相較於响合轴線XC向第1鏈齒12側的_χ方向挪 動’可使圖5及圖7顯示之裝飾面12F及裝倚面13F左右對 稱，可提高拉鏈10之美感。 接著’利用圖10及圖11對第1鏈齒12行及第2鏈齒13行彼 此之表襄方向的嚙合狀態進行說明。 如圖10所示，在嚙合狀態，形成於相對之面的第丨鏈齒 12之表面扣止部12D與第2鏈齒13之背面扣止部13R扣合。 藉由該扣合，可阻止第2鏈齒13相對於第1鏈齒12向+2方向 移動而脫開。同樣’可阻止第1鏈齒12相對於第2鏈齒13 向-Z方向移動而脫開。 此外’如圖11所示’形成於相對之面的第1鏈齒12之背 面扣止部12R與第2鏈齒13之表面扣止部13〇扣合。藉由該 扣合，可阻止第2鏈齒13相對於第1鏈齒12向_2方向移動而 脫開。同樣，可阻止第1鏈齒12相對於第2鏈齒13向+2：方向 移動而脫開。如此，藉由使表面扣止部丨2D與背面扣止部 13R、及背面扣止部12r與表面扣止部13D沿γ軸交互地扣 合，可進行能承受加於表裏方向之剪斷力之嚙合。 產業上之可利用性 140220.doc -16· 201026248 本發明之拉鏈除可用於服裝類及皮包等之開合外，尚可 用於鞋、帳篷及其他之開合用途。 此外’本發明之拉鏈，其在進行左右之鏈齒行之嚙合及 分離時’係由表裏方向及左右方向之雙方使左右之鏈齒行 傾斜地合流或分離’因此，與先前者比較可使用設定較大 的鏈齒喷合頭部之膨出，且設定較深的嚙合頸部之凹入的 •鍵齒。藉此，可提供提高相對於左右方向之嚙合強度，且 能承受更強橫向拉力之拉鏈。 ❹ 【圖式簡單說明】 圖1係由表面側觀看本發明之拉鏈的平面圖，係說明在 該圖之上方處於分離狀態之鏈齒行朝向下方轉移至唾合狀 態之狀態圖； 圖2係在圖1顯示之拉鍵的左側面圖； 圖3係由+Z側（表面側）觀看處於嚙合狀態之拉鏈之立體 圖；As shown in Fig. 5 and Fig. 6, the first sprocket 12 includes a pair of surface-fixing leg portions 12U and a back-side fixing leg portion 12V, which are sandwiched between the front side and the back side. The chain cloth and the core portion 14 of the belt 16; the sprocket body portion 12A, which extends the surface fixing leg portion 12U and the back surface fixing leg portion 12V 140220.doc 201026248 in the -X direction; the meshing neck portion 12N It is extended by the above-mentioned key body #12B in the +X direction of the row side of the opposite second element 13; and the engaging head 12H which bulges at the front side of the said meshing neck 12N. The feeding neck portion 12N is formed by engaging the engaging heads formed on the opposite second second teeth 13 on the +Y and -Y sides, and forming a concave portion. The engaging head portion 12H is for entering a portion which is formed by bulging the meshing neck portions of the opposing second second sprocket teeth 13. The engaging neck portion 12N and the engaging head portion 12H are for engaging the right and left first key belts 16 and the second chain belt 17 in a state in which the right and left transverse directions are combined. In addition, as shown in FIG. 5 and FIG. 6 , the surface fastener portion 12D that extends from the surface side of the sprocket main body portion 12B of the first sprocket 12 toward the +X direction of the second sprocket 13 row side is oriented. Formed on the -Z side. The surface engaging portion 12D is extended to the +Z side of the ringing neck portion 12N and to both the +Y side and the _γ side of the engaging neck portion 12N. Further, in the embodiment shown in Fig. 5, the neck portion is 1 2 in the saliva. The +Ζ side ' on the surface side of the toothed head portion 12 is formed with a back surface locking portion 12R facing the +Ζ direction. The back fastening portion 12R is engaged with the surface fastener portion formed on the opposite second sprocket teeth 13 to prevent the first sprocket 12 from being engaged with the second sprocket 13 in the engaged state. A meshing member that is moved in the direction to be disengaged in the direction of the front and back. Further, the surface engaging portion 12D is engaged with the back fastening portion formed on the opposite second sprocket teeth 13 to prevent the first key 12 from being in the engaged state with respect to the second sprocket 13 Move in the direction of -Ζ and the direction of the front and the back of the joint 140220.doc -12- 201026248 open the meshing part. By forming the surface fastener portion 12D and the back surface fastener portion 12R' in the first fastener element 12, the first and second fastener tapes 16 and 17 can be subjected to the shearing of the front and rear directions. The engagement of the breaking force. Further, as shown in FIG. 6, the first extension length 12L of the surface fastener portion 12D extending in the +χ direction is shorter than the extension length of the surface fastener portion of the second fastener element 13 to be described later. . By setting the first extension length 12L of the surface fastener portion 12D in a short manner, it is possible to reduce the left-right direction required for the engagement and separation of the second sprocket 12 row and the second sprocket 13 row. mobile. As a result, the interval CR between the first sprocket 12 and the second sprocket 13 can be set narrowly. Next, the single shape of the second element 13 will be described with reference to Figs. 7 and 8 . As shown in Fig. 7 and Fig. 8, the second element teeth 13 are provided with a pair of surface fixing leg portions 13U and a back surface fixing leg portion 13V, which are sandwiched and fixed by the front side and the back side. The chain cloth and the core portion 14 of the chain belt 17; the sprocket main body portion 13B which extends the surface fixing leg portion 13U and the back surface fixing leg portion nv in the +X direction; and the meshing neck portion 13N The sprocket main body portion 13B extends in the _ χ direction of the row side opposite to the first sprocket 12; and the saliving head portion 13H bulging at the end side of the tangential neck portion 13N. The engaging neck portion 13N is formed with a concave portion formed by engaging the engaging head portions 12 formed on the opposite first first sprocket teeth 12 on the +Y and _γ sides. The engaging head portion 13 is used to enter the opening portion of the neck portion of the opposing first sprocket. The feeding neck portion UN and the spray head portion 13H are in a state in which the left and right first chain belts 16 and the second chain belt 17 are closed at 140220.doc •13 to 201026248, and are used for carrying out the lateral pulling force in the left and right direction. The sprayed part of the spray. In addition, as shown in FIG. 7 and FIG. 8 , the surface fastener portion 13D extending from the front surface side of the sprocket main body portion 13B of the second sprocket 13 toward the 链 direction of the first sprocket 12 side is oriented. Formed on the -Z side. The surface engaging portion 3D is extended to the +Z side of the engaging neck portion 13N and to both the +Y side and the -Y side of the ringing neck portion 13N. Further, in the embodiment shown in Fig. 7, the head is engaged! The +Z side ' on the surface side of 3H is formed with a back surface locking portion 13R facing the +Z direction. The back fastening portion 13R is engaged with the surface fastening portion 12D formed on the opposite first sprocket teeth 12 to prevent the second sprocket 13 from being in the saliva state relative to the first key 12 The shingling member that moves in the Z direction and the meshing direction is disengaged. Further, the surface engaging portion 13D is engaged with the back fastening portion 12R formed on the opposite first first key teeth 12 for preventing the second key tooth 13 from being in the first engagement state with respect to the first key tooth in the reciprocating state. 12 moves in the -Z direction and the direction of the front and back of the ring is disengaged. By forming the surface fastener 13D and the back fastener 13R in the second element 13, the left and right first belts 16 and the second belt 17 are closed, and the front and rear shears can be received. The engagement of the breaking force. Further, as shown in FIG. 8, the surface extension portion 13D extending in the -X direction / the second extension length 13L is as compared with the surface fastener portion 12D of the first fastener element 12 as described above. The first extension length is 12 L·long. By setting the second extended length 13L of the surface engaging portion 13D for a long period of time, it is possible to reduce the engagement between the 12th and 12th teeth 13 rows of the 140220.doc -14 - 201026248 1 The gap between the decorative surface 12F and the decorative surface 13F. Further, the decoration represented by the decorative surface 12F and the decorative surface 13F can be finished to be more continuous, and the appearance of the zipper 1 漂亮 can be beautifully finished. Further, by setting the second extension length 13L of the surface fastener portion 13D for a long period of time, it is possible to improve the endurance when the upward thrust is applied to the first sprocket 12 row and the second spur tooth 13 in the engaged state. Next, the state in which the first sprocket 12 row and the second sprocket 13 row are meshed with each other will be described with reference to Figs. 9 to 11 . Fig. 9 is a rear view showing the state in which the first sprocket 12 and the second sprocket 13 are in the left-right direction when viewed from the back side (_2 side) of the zipper 1 β. 10 and FIG. 11 are views showing the meshing state of the front and rear directions of the first sprocket 12 and the second sprocket 13 as viewed from the -γ side, and FIG. 1 is a Χ-Χ directional cross section shown in FIG. Figure 11 is a cross-sectional view of the χι_χι shown in Figure 9. First, the meshing state of the first sprocket 12 row and the second sprocket 13 row in the left-right direction will be described with reference to Fig. 9 . As shown in Fig. 9, the first sprocket 12 is engaged with the concave side surface of the neck portion 12, and the engaging head portion 13 of the two second sprocket teeth 13 is engaged on the +γ and γ sides. Similarly, the second sprocket 13 is engaged with the engaging head portion 12 of the opposite first sprocket 12 by the concave side surface of the engaging neck portion 13 在 on the +丫 and _γ sides. The harmony of the force in the left and right direction (+Χ direction and -X direction). Further, as shown in Fig. 9, 'the straight line connecting the ends of the respective engaging heads of the i-th sprockets 12 to the middle of the straight line connecting the front ends of the respective engaging heads 13H of the second key teeth 13 is shown. A straight line (a line parallel to the γ axis) is defined as an engagement axis XC in the left and right direction. In addition, the middle of the two straight lines connecting the ends of the fixed leg portions of the second sprocket 12 row and the second sprocket 13 row is 140220.doc -15- 201026248 (the line parallel to the Y axis) , defined as the chain center line FC. When the zipper 10 is viewed from the front side, the sprocket center line FC is a line which is a center line of each of the decorative surfaces 12F and 13F of the first key shank 2 row and the second sprocket 13 row. In the present invention, as shown in Fig. 6 and Fig. 8, the first extended length 12L of the surface fastener portion 12D of the first element 12 is made larger than the second surface fastener portion 13D of the second element 13 line. The extension length 13L is formed short. Therefore, the decorative surface 12F and the mounting surface 13F shown in FIGS. 5 and 7 can be bilaterally symmetric by moving the key tooth center line FC toward the _ χ direction of the first sprocket 12 side with respect to the splicing axis XC. Can improve the beauty of the zipper 10. Next, the meshing state of the first sprocket 12 row and the second sprocket 13 in the direction of the opposite direction will be described with reference to Figs. 10 and 11 . As shown in Fig. 10, in the engaged state, the surface fastener portion 12D of the second sprocket 12 formed on the opposing surface is engaged with the back fastener portion 13R of the second fastener element 13. By this engagement, the second element 13 can be prevented from moving in the +2 direction with respect to the first element 12 and being disengaged. Similarly, the first element 12 can be prevented from moving in the -Z direction with respect to the second element 13 and being disengaged. Further, as shown in Fig. 11, the back surface fastening portion 12R of the first element 12 formed on the opposing surface is engaged with the surface fastener portion 13 of the second element 13. By this engagement, the second element 13 can be prevented from moving in the direction of _2 with respect to the first element 12 and being disengaged. Similarly, the first element 12 can be prevented from moving away from the second element 13 in the +2: direction. In this manner, the surface fastening portion 丨2D and the back surface fastening portion 13R, and the back surface fastening portion 12r and the surface fastening portion 13D are alternately engaged along the γ-axis, so that the shearing force that can be applied to the front and back directions can be performed. Engagement. Industrial Applicability 140220.doc -16· 201026248 The zipper of the present invention can be used for opening and closing of clothing and leather bags, and can also be used for shoes, tents and other opening and closing purposes. Further, in the zipper of the present invention, when the meshing and disengaging of the left and right chain rows are performed, the left and right chain rows are obliquely joined or separated by both the front and the rear directions, and therefore, the setting can be used in comparison with the former. The larger sprocket sprays the bulge of the head and sets the deeper key teeth of the engaged neck. Thereby, it is possible to provide a zipper which can increase the meshing strength with respect to the right and left direction and can withstand a stronger lateral pulling force. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a plan view showing a zipper of the present invention viewed from a surface side, showing a state in which a chain of teeth in a separated state above the figure is shifted downward to a salivating state; Fig. 2 is in the state of Fig. 2 Figure 1 is a left side view of the pull button; Figure 3 is a perspective view of the zipper in the engaged state viewed from the +Z side (surface side);
圖4係由-Z側（背面側）觀看處於嚙合狀態之拉鏈之立體 圖5係由-Y側朝向+Y側觀看第1鏈齒之正視圖； 圖6係由-Z側（背面側）朝向+Z側（表面側）觀看第1鏈齒之 背面圖； 圖7係由-Y侧朝向+Y側觀看第2鍵齒之正視圖； 圖8係由-Z側（背面側）朝向+Z侧（表面侧）觀看第2鏈齒之 背面圖； 圖9係由拉鏈之背面側（-Z側）觀看藉由第1鏈齒行及第2鏈 140220.doc 201026248 齒行之左右方向之嚙合狀態的背面圖； 圖1 〇係由-Y側觀看藉由第1鏈齒行及第2鏈齒行之表裏方 向之嚙合狀態圖，係圖9所示之X-X向視剖面圖；及 圖11係由-Y侧觀看藉由第1鏈齒行及第2鏈齒行之表裏方 向之嚙合狀態圖’係圖9所示之XI-XI向視剖面圖。 【主要元件符號說明】 10 拉鏈 12 第1鍵齒 12B、13B 鏈齒本體部 12D、13D 表面扣止部 12F ' 13F 裝飾面 12H ' 13H 嚙合頭部 12L 第1延出長度 12N、13N 嚙合頸部 12R ' 13R 背面扣止部 12U、13U 表面固著腳部 12V、13V 背面固著腳部 13 第2鍵齒 13L 第2延出長度 14 芯部 16 第1鏈帶 17 第2鏈帶 50 滑件 50D 連結柱 140220.doc •18· 201026248Fig. 4 is a perspective view of the zipper in the engaged state viewed from the -Z side (back side). Fig. 5 is a front view of the first sprocket viewed from the -Y side toward the +Y side; Fig. 6 is oriented from the -Z side (back side) The rear side view of the first sprocket is viewed on the +Z side (surface side); Fig. 7 is a front view of the second key tooth viewed from the -Y side toward the +Y side; Fig. 8 is oriented from the -Z side (back side) toward +Z The rear side view of the second sprocket is viewed from the side (surface side); FIG. 9 is the left-right direction of the tooth row by the first sprocket row and the second chain 140220.doc 201026248 viewed from the back side (-Z side) of the zipper. Rear view of the state; Fig. 1 is a view of the meshing state of the front and rear directions of the first and second chain rows viewed from the -Y side, and is a cross-sectional view taken along the line XX shown in Fig. 9; The XY-XI cross-sectional view shown in Fig. 9 is viewed from the -Y side by the meshing state of the first sprocket row and the second sprocket row. [Main component symbol description] 10 Zipper 12 1st key 12B, 13B sprocket body part 12D, 13D Surface fastener 12F ' 13F Decorative surface 12H ' 13H Engagement head 12L 1st extension length 12N, 13N Mesh neck 12R ' 13R Back fastening part 12U, 13U Surface fixing foot 12V, 13V Back fixing leg 13 Second key 13L 2nd extension length 14 Core 16 First chain belt 17 Second chain belt 50 Slide 50D connecting column 140220.doc •18· 201026248
50E50E
50F50F
50L50L
50R50R
50T ， 51 52 53 Ο 5650T , 51 52 53 Ο 56
56Α 59 CR 表裏分離壁 凸緣 第1導入口 第2導入口 唾合口 鍵齒引導通路 上翼片 下翼片 安裝柱 軸承孔 拉片 間隔56Α 59 CR Separation wall in the flange Flange 1st inlet 2nd inlet Sit joint Key tooth guide passage Upper wing Lower wing Mounting post Bearing hole Pull tab Interval
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