201119601 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種拉鏈’更詳細而言係關於一種安裝於 拉鏈之鏈齒上之止擂。 【先前技術】 • 作為先前之拉鏈，已知有具備一對鏈布、分別設於一對 鏈布之所對向之鏈布側緣部的鏈齒排、及使鏈齒排嚙合. 分離之滑件，且，於鏈齒排之所期望之位置的鏈齒上後附 上止擋者（例如，參照專利文獻1)。 先前技術文獻 專利文獻 專利文獻1 :美國專利申請公開第2008/0196219號說明書 【發明内容】 發明所欲解決之問題 然而’上述專利文獻1所記載之拉鏈，由於其上止播之 扣合部係與從鏈齒之基部之嚙合頭部離開之侧的端緣扣 合’因此使得上止擋成為比基部更朝外側露出之狀態。由 此，在拉鏈極度地朝寬度方向彎曲之情形下，上止擋之兩 ， 側面會有鄰接於上止擋之鏈齒之基部與其接觸，因此，存 在妨礙上述彎曲之可能性，且存在於上止擋作用有使扣合 解除之方向的力而使上止擋離脫之可能性。 本發明係鑒於上述情形而完成者，其目的在於提供一種 即使鏈齒上安裝有上止擋’仍可確保拉鏈之彎曲性、且可 防止彎曲時上止擋離脫之拉鏈。 J47842.doc 201119601 解決問題之技術手段 本發明之上述目的係根據下述之構成而達成。 ⑴-種拉鏈’其特徵為具有：一對鏈布；一對鏈齒排，立 係分別設於-對鏈布之相對之鏈布側緣部，且由複數個鍵 齒構成；滑件，其係使鍵齒㈣合分離；及止擋，其可 安裝於鏈齒；J•，鏈齒具備：基部，其係安裝於鏈布侧緣 部；鳴合頭部，其係由基部向相對側之鍵布延伸設置，且 與相對之鏈齒嗔合；及首部，其係形成於基部與响合頭部 之間；又，止擋具備：上壁及下壁，其係平行地配置於鍵 布之表裏方向；一對側壁’其連結上壁及下壁；鏈齒㈣ 部，其係被上壁、下壁及一對側壁所包圍，且收納鍵齒· 及扣合部，其係形成於鏈齒收納部内4在收納有鍵齒之 狀態下扣合；再者，在止擋與鏈齒之扣合狀態下，止檔之 基部側之端緣比從基部之喷合頭部分離之側之端緣更靠近 位於嚙合頭部側。 ⑺如⑴之拉鏈’其中鏈齒具備分別形成於基部之表襄方 向兩側面之凹部，且止擋之扣合部係與凹部扣合。 W如⑴之拉鏈，其中止擋之扣合部係與鏈齒之鳴合頭部 扣合。 (4)如（1)或（2)之拉鏈，其中鏈齒具備：一對肩部，其係由 首部延伸；及槽部，其係形成於唾合頭部之前端部，、且於 入相對側之鏈齒之肩部；止擋具備一對突起部，其係突= 於從-對側壁之内面相互接近之方向，且在止擋與鍵= 扣合狀態下，與嚙合頭部及肩部抵接。 147842.doc 201119601 (5)如（1)〜(4)中任一項之 盆 .^ ，、T止拾之南度尺寸係設定 於滑件之上翼板之内面與下翼板之内面之間的間隙尺 寸’且於止擋之上壁及下壁分別形成止擋之高度尺寸隨著 朝向側壁而逐漸減小之傾斜面。 發明之效果 根據本發明之拉鏈’由於在止措與鏈齒之扣合狀態下， 止=基部側之端緣係比從基部之鳴合頭部分離之側之端 緣更靠近位於合頭部側，因此，f曲時不會使鄰接於止 擋之鏈齒之基部的角部接觸止擋之兩側面。藉此，即使鍵 齒上安裝有止擋，仍可確保拉鏈之彎曲性，且可防止彎曲 時止擋之脫離。 【實施方式】 以下，茲基於圖式詳細說明本發明之拉鏈之各實施形 態。另，在其後之說明中，關於鏈布，所謂表側係相對圖 1之紙面之靠近觀察者側，裏側係相對圖1之紙面之裏侧， 上側係相對圖1之紙面之上側，下側係相對圖i之紙面之下 側’左側係相對圖1之紙面之左側，右側係相對圖1之紙面 之右側；關於滑件’所謂上側係相對圖1之紙面之靠近觀 察者側’下側係相對圖1之紙面之襄側，前側係相對圖1之 紙面之上側，後側係相對圖1之紙面之下侧，左側係相對 圖1之紙面之左側，右側係相對圖1之紙面之右側。又，鏈 布之左右方向亦稱為寬度方向。 (第1實施形態） 首先，參照圖1〜圖8說明本發明之拉鏈之第1實施形態。 147842.doc 201119601 本實施形態之拉鏈10，如圖1及圖2所示，具備：左右一 對鏈布20 ;左右一對鏈齒排3〇，其係安裝於左右一對鏈布 20之相對之鏈布側緣部2〇a ;及滑件4〇，其係嚙合分離鏈 齒排30。且，藉由使滑件4〇朝前後方向滑動，而嚙合分 離鏈齒排30。另，圖！中之符號丨丨係安裝於鏈布2〇之魚 網。又，鏈布20除織制及編制之鏈布以外亦可為網面狀之 鏈布。又，圖1中之符號12係下止擋β又，代替下止擋12 亦可安裝包含插銷、筒銷、及開尾筒之開離嵌插具。另， 在以下之說明中，將拉鏈1〇之長度方向定義為前後方向， 特別是將為使滑件4 0嚙合鏈齒排3 〇而相對於鏈齒排3 〇相對 移動之方向作為前方，將為使鏈齒排3〇分離而移動之方向 作為後方。又，將拉鏈10之表裏方向定義為高度方向。再 者，將平打於拉鏈10之表面且正交於長度方向之方向作為 寬度方向。 左右一對鏈齒排30之各者包含複數個鏈齒31，該鏈齒^ 例如係用聚醯胺、聚縮醛、聚丙烯、聚對苯二甲酸乙二醇 酯等之合成樹脂，於鏈布20之鏈布側緣部2〇a射出成形。 鏈齒31，如圖2〜圖4所示，具備：基部32，其係安裝於 鏈布20之鏈布側緣部20a之表裏兩面；嚙合頭部^，^係 由基部32向相對側之鏈布20延伸設置，且與相對之鏈齒η 嚙合；首部34,其係形成於基部32與嚙合頭部33之間，且 比4合頭部33之寬度窄；一對肩部35，其係從首部“延 伸；槽部36,其係形成於嚙合頭部33之前端部，且有相對 側之鏈齒31之肩部35嵌入；及凹部37，其係分別形成於基 147842.doc -6 - 201119601 部32之表裏方向兩側面。凹部37之形成係高度方向之尺寸 小於基部3 2之周緣部、且小於鳴合頭部3 3及首部3 4之高度 方向之尺寸，且藉由將後述之上止擋5〇之扣合部55置入凹 部3 7而扣合之被扣合部。 又’本實施形態之拉鏈1〇，如圖1、圖5及圖6所示，於 左右一對鏈齒排30之鏈齒31分別安裝有上止擋5〇，該上止 擋50可由使用者安裝於所期望之位置之鏈齒31。藉此，可 對應使用場合而變更滑件40之可滑動範圍（打開拉鏈丨〇之 範圍）。另，上止擋50亦可僅安裝於左右一對鍵齒排3〇之 任何一者。 又’如圖1 ’在於鏈齒排3〇之中途之鏈齒31上安裝有上 止擋50的情形下，上止擋5〇之上方之鏈齒31不嚙合。然 而’當用其他帶等捆綁該未嚙合部分時，因有鏈齒3丨而容 易捆綁。 如圖2〜圖6所示，上止擋50為筒狀之大致長方體，其具 備：上壁5 1及下壁52，其係平行地配置於鏈布2〇之表裏方 向；一對側壁53 ’其係連結上壁51及下壁52 ;鏈齒收納部 54，其係由上壁51、下壁52、及一對側壁53所包圍，且收 納鍵齒3 1 ; —對扣合部55 ’其係從上壁5 1及下壁52之内面 向鏈齒收納部54内於相互接近之方向突出形成，且與鏈齒 3 1之凹部3 7、3 7扣合；及鏈布收納縫5 6，其係形成於一對 側壁53之各者’且收納鏈布2〇之鏈布側緣部2〇α ^藉此， 上止擋50係在將鏈齒3 1收納於上述鏈齒收納部54之狀態下 而安裝。又，在上止擋50與鏈齒3 1之扣合狀態下，具有上 147842.doc 201119601 止擋50之鏈齒31之基部32側的端緣5〇a，於該端緣5〇a具有 連接於鏈齒收納部54且可插通鏈齒31之開口部◊扣合上止 檔50與鏈齒3 1時，係在從鏈齒收納部54之開口部側（鏈齒 收納部54之端緣50a側）使鏈齒3 1之喷合頭部33插通，且上 止擋50之開口部側之端緣超出首部34而位於基部32上的狀 態下扣合。此處，開口部側之端緣與上止擋5〇之基部32側 之端緣50a係表示同一部位。又，後述之第4實施形態亦具 有開口部，且其開口部側之端緣與上止擋8〇之基部Μ側之 端緣8 0 a亦表不同一部位。 又，如圖3及圖4所示，上止擋5〇之一對側壁”上以從一 對側壁53之内面相互接近之方式而突設有一對突起部”， 其係以鄰接於鏈布收納縫56之最裏部之方式而配置。該— 對突起部57，如圖5所示，在上止擋5〇與鏈齒31之扣合狀 態下，係以與鏈齒31之嚙合頭部33及肩部35抵接之方式而 構成。此處，突起部57係與嚙合頭部33之側面（拉鏈1〇之 長度方向之面）抵接，且抵接於肩部35之嚙合頭部33側。 且，本實施形態中，如圖5及圖6所示，在上止撞5〇與鏈 齒31之嚙合狀態下，上止擋5〇之基部32側之端緣5〇a，較 之從基部32之嚙合頭部33分離之側之端緣32a，更位於嚙 合頭部33側。藉此，如圖7所示，彎曲時鄰接於上止擋兄 之鏈齒31之基部32之角部不會接觸於上止擋5〇之一對側壁 53。即，在上止擋50與鏈齒31之嚙合狀態下，鏈齒^之^ 部32較之上止擋50係露出於外側。又，基部32之端緣… 係位於鏈布20上，且在滑件4〇。齒合.分離時而滑動時，亦 147842.doc 201119601 有與滑件40之未圖示之凸緣接觸之部位。 又’本實施形態如圖8所示，上止擋50之高度尺寸Η係設 定為大於滑件40之上翼板41之内面與下翼板42之内面之間 的間隙尺寸S，且於上止擋50之上壁5 1及下壁52分別形成 有高度尺寸Η隨著朝向側壁53而逐漸減小之傾斜面58。 如以上說明’根據本實施形態之拉鏈1 〇，在上止檔5〇與 鏈齒31之扣合狀態下，上止擋50之基部32側之端緣50a由 於係位於比從基部32之嚙合頭部33分離之側之端緣32a更 靠嚙合頭部3 3側，因此彎曲時鄰接於上止擋5 〇之鏈齒3 1之 基部32之角部不會接觸於上止擋5〇之一對側壁53。藉此， 即使鏈齒3 1上安裝有上止擋5 0，仍可確保拉键1 〇之彎曲 性，且可防止彎曲時上止擋50脫離。在上止擋50與鏈齒31 之扣合狀態下’由於由上壁5 1、下壁52、及一對侧壁53所 包圍之鏈齒收納部54收納鏈齒3 1，因此在扣合狀態下，可 將上止擋50不搖擺地安裝於鏈齒31«又，如圖6所示，在 扣合狀態下，上止擋50之上壁51及下壁52之内面（相互對 向之面）係與鏈齒31之表裏面相對。 又’根據本實施形態之拉鏈10，由於上止擋5〇在上止擋 5〇與鏈齒31之扣合狀態下’係具備與鏈齒31之嗜合頭部33 及肩部35抵接之一對突起部57，因此可提高相對上止擋5〇 之鏈齒3 1之扣合的安定性。 又，根據本實施形態之拉鏈1〇，由於上止擋5〇之高度方 向之尺寸係大於鏈齒31之高度方向之尺寸而形成，因此藉 由使得滑件40之上翼板41與下翼板42抵接於上止擋5〇而停 147842.doc 201119601 止滑件40之滑動。藉此’可確實地防止滑件4〇從鏈齒排3〇 脫落’又’由於上止擋50之高度尺寸η係設定為大於滑件 40之上翼板41之内面與下翼板π之内面之間的間隙尺寸 S，且上止擋50之上壁51及下壁52分別形成高度尺寸Η隨著 朝向側壁53而逐漸減小之傾斜面58，因此上止擋5〇之側端 部係進入於滑件40之上翼板41與下翼板42之間。藉此，可 將安裝有上止擋50之鏈齒31之姿勢安定化，且可防止滑件 40接觸於上止擋50而停止時上止擋5〇之破損。 (第2實施形態） 其次，參照圖9及圖1 〇說明本發明之拉鏈之第2實施形 態。另’與第1實施形態同一或同等部分係於圖式附注相 同符號且省略或簡略化其說明。 本實施形態之拉鏈1〇如圖9及圖1〇所示，代替鏈齒排 30 ’係於鏈布20之鏈布側緣部2〇a射出成形有鏈齒排6〇。 鏈齒排60之各者係由複數個相互獨立的鏈齒6丨所構成， δ亥鏈齒61具備：基部62 ’其係安裝於鏈布20之鏈布側緣部 20a ;喷合頭部63 ’其係從基部62向相對側之鏈布2〇延伸 設置’且與相對之鏈齒61嚙合；首部64，其係形成於基部 62與喃合頭部63之間，且寬度窄於嚙合頭部〇 ; 一對肩部 65 ’其係從首部64延伸；槽部66，其係形成於嚙合頭部63 之别端部’且嵌入相對側之鏈齒61之肩部65 ;及扣合階部 67 ’其係分別形成於基部62之表裏方向兩側面，且上止擋 5〇之一對扣合部55分別扣合。扣合階部67藉由基部32之一 部分之高度方向的尺寸小於嚙合頭部33及首部34之高度方 147842.doc 201119601 向的尺寸而成為階差狀，且上止擋,50之扣合部55與扣合階 部67相扣合。又，由於扣合階部67使基部32之一部分了 凹，故而構成本實施形態之凹部。 又，本實施形態如圖10所示，在上止擋50與鏈齒61之扣 合狀態下，上止擋50之基部62側之端緣50a，較之從基部 62之嚙合頭部63分離之側之端緣62a，係位於嚙合頭部63 側。藉此，與上述第1實施形態之圖7相同，彎曲時鄰接於 上止擋50之鏈齒61之基部62的角部不會接觸於上止撞5〇之 一對側壁53。 其他之構成與上述第1實施形態相同。 (第3實施形態） 其後，參照圖11及圖12說明本發明之拉鏈之第3實施形 態。另，與第1實施形態相同或同等部分係於圖式附注相 同符號，且省略或簡略化其說明。 本貫施形態之拉鍵10如圖11及圖12所示，代替鏈齒排 30，係於鏈布20之鏈布側緣部20a射出成形有鏈齒排70。 鏈齒排70之各者包含複數個鏈齒71，且該鏈齒71 一體地 具備配置於鏈布20之表側之表面部72A、與配置於鏈布20 之裏側之裏面部72B。 表面部72A具備：基部73，其係安裝於鏈布側緣部2〇3 ; 大致為三角形狀之頭部74，其係從基部73向相對側之鏈布 20延伸設置；及凹部37，其係形成於基部73之表側面，且 有上止擋50之扣合部55扣合。 裏面部72B具備：基部73，其係安裝於鏈布側緣部2〇3 ; 147842.doc • 11 · 201119601 嚙合頭部75 ’其係與相對之鏈齒7丨之裏面部mb嚙合；首 部76，其係形成於基部73與嚙合頭部75之間，且寬度窄於 嚙合頭部75 ;及凹部37，其係形成於基部73之裏側面，且 有上止擋50之扣合部55扣合。 又，本實施形態如圖12所示，在上止擋5〇與鏈齒71之扣 合狀態下’上止擋50之基部73側之端緣50a較之從基部73 之嚙合頭部75分離之側的端緣73a，係位於嚙合頭部75 側。藉此，與上述第1實施形態之圖7相同，彎曲時鄰接於 上止擋50之鏈齒71之基部73之角部不會接觸於上止擋5〇之 一對側壁53。 如以上說明’根據本實施形態之拉鏈丨〇，由於鏈齒7 i不 具有上述第1實施形態之鏈齒31之肩部35及槽部36，因此 可降低模具成本，且可降低拉鏈1〇之製造成本。 其他之構成與上述第丨實施形態相同。 (第4實施形態） 其後，參照圖13〜圖15說明本發明之拉鏈之第4實施形 態。另，與第1實施形態相同或同等部分係於圖式附注相 同符號，且省略或簡略化其說明β 本實施形態之拉鏈1〇如圖13及圖14所示，代替上止擋 5〇，係於鏈齒31安裝有上止擋8〇。另，上止擋8〇亦可安裝 於上述第2及第3實施形態之鏈齒61、71。 上止擋80,如圖13〜圖15所示，係有底筒狀之大致長方 體，且具備：上壁81及下壁82，其係平行地配置於鏈布2〇 表襄方向，一對側壁83，其連結上壁8丨及下壁82 ;前壁 147842.doc -12- 201119601 84 ’其係閉塞由上壁8 1、下壁82、及側壁83所形成之筒狀 體的一端；鏈齒收納部8 5，其係由上壁8 1、下壁8 2、一對 側壁83及前壁84所包圍，且收納鏈齒3 1 ; —對扣合部86， 其係從一對側壁83之内面向鏈齒收納部85内突出形成，且 與鍵齒3 1之喊合頭部33扣合；及肩部收納縫87，其係分別 形成於一對側壁83 ’且收納鏈齒3 1之肩部35。又，一對扣 合部86係向相互之側壁83突出而形成，該一對扣合部86之 間之尺寸係設定為小於嚙合頭部3 3之拉鏈1 〇之長度方向的 尺寸。藉此，可將一對扣合部8 6扣合於读合頭部3 3。 且’本貫施形態如圖14及圖15所示，在上止擋與鏈齒 31之扣合狀態下，上止擋80之基部32側之端緣80a，較之 從基部32之嚙合頭部33分離之側之端緣32a，於嚙合頭部 33側更位於首部34上。藉此，彎曲時鄰接於上止擋8〇之鏈 齒31之基部32不會接觸於上止撞之一對側壁83。 如以上說明’根據本實施形態之拉鏈1〇，在上止擋8〇與 鏈齒3 1之扣合狀態下’上止擋8〇之基部32側之端緣8〇3較 之從基部32之嚙合頭部33分離之側之端緣32a，係於嚙合 頭部33側更位於首部34上，因此彎曲時鄰接於上止播8〇之 鏈齒31之基部32不會接觸於上止擋go之一對側壁Μ。藉 此’即使鏈齒3 1安裝有上止擋80 ’仍可確保拉鏈丨〇之彎曲 性’且，可防止彎曲時上止擋8〇之脫離。 又，根據本貫施形態之拉鏈1 〇，由於上止擋8 〇之一對側 壁83分別形成收納鏈齒31之肩部35之肩部收納縫87，因此 可提高相對上止擋80之鏈齒3 1之扣合的安定性。 147842.doc •13· 201119601 其他之構成與上述第1實施形態相同。 【圖式簡單說明】 圖1係說明本發明之拉鏈之第1實施形態之表面圖。 圖2係安裝圖1所示之拉鏈之上止擋前之狀態的放大立體 圖。 圖3係安裝圖丨所示之拉鏈之上止擋前之狀態的放大表面 圖。 圖4係圖3之A-A線向視剖面圖。 圖5係安裝圖1所示之拉鏈之上止擋後之狀態的放大表面 圖。 圖6係圖5之B-B線向視剖面圖。 圖7係說明使圖5所示之鏈布朝寬度方向彎曲之狀態的放 大表面圖。 圖8係從嚙合頭部側觀察安裝有上止擋之鏈齒之周邊的 圖。 圖9係說明本發明之拉鏈之第2實施形態之放大立體圖。 圖10係安裝圖9所示之拉鏈之上止擋後之狀態的放大剖 面圖。 圖11係說明本發明之拉鏈之第3實施形態之放大表面 圖。 圖12係安裝圖11所示之拉鏈之上止擋後之狀態的放大剖 面圖。 圖13係說明本發明之拉鏈之第4實施形態之放大表面 圖。 147842.doc •14· 201119601 圖14係安裝圖13所示之拉鏈之上止擋後之狀態的放大表 面圖。 圖15係安裝圖13所示之拉鏈之上止擋後之狀態的放大剖 面圖。 【主要元件符號說明】 10 拉鏈 20 鍵布 20a 鏈布側緣部 30 鏈齒排 31 鍵齒 32 基部 32a 端緣 33 嚙合頭部 34 首部 35 肩部 36 槽部 37 凹部 40 滑件 41 上翼板 42 下翼板 50 上止擋（止擋） 50a 端緣 51 上壁 52 下壁 147842.doc 201119601 53 側壁 54 鏈齒收納部 55 扣合部 56 鏈布收納縫 57 突起部 58 傾斜面 60 鏈齒排 61 鏈齒 62 基部 62a 端緣 63 嚙合頭部 64 首部 65 肩部 66 槽部 67 扣合階部（凹部） 70 键齒排 71 鏈齒 72A 表面部 72B 裏面部 73 基部 73a 端緣 74 頭部 75 嚙合頭部 76 首部 147842.doc - 16- 201119601 80 上止擋（止擋） 80a 端緣 81 上壁 82 下壁 83 側壁 84 前壁 85 鏈齒收納部 86 扣合部 87 肩部收納縫 Η 向度尺寸 S 間隙尺寸 147842.doc •17-201119601 VI. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to a zipper' in more detail to a shackle attached to a sprocket of a zipper. [Prior Art] As a zipper of the prior art, it is known to have a pair of chain cloths, a pair of fastener elements disposed on the side edges of the pair of chain cloths facing each other, and to engage the element rows. The slider is attached to the fastener element at a desired position of the fastener element row (for example, refer to Patent Document 1). CITATION LIST Patent Literature Patent Literature 1: US Patent Application Publication No. 2008/0196219 [Invention] The problem to be solved by the invention is described in the above-mentioned Patent Document 1, the zipper of the above-mentioned Patent Document 1 The engagement with the end edge on the side away from the meshing head of the base of the fastener element is such that the upper stopper is exposed to the outside more than the base. Therefore, in the case where the zipper is extremely bent in the width direction, two of the upper stoppers and the side surface of the sprocket adjacent to the upper stopper are in contact with each other, and therefore, there is a possibility that the above-mentioned bending is hindered, and it exists in The upper stop acts to force the upper stop to disengage the force in the direction in which the engagement is released. The present invention has been made in view of the above circumstances, and an object thereof is to provide a zipper which can ensure the flexibility of a zipper even when an upper stopper is attached to a fastener element, and can prevent the upper stopper from being detached when bent. J47842.doc 201119601 Technical Solution to Problem The above object of the present invention is achieved by the following constitution. (1) - a zipper' is characterized by: a pair of chain cloths; a pair of chain rows, the vertical lines are respectively disposed on the opposite side edges of the pair of chain cloths, and are composed of a plurality of key teeth; It is a combination of the key teeth (four); and a stop, which can be mounted on the sprocket; J•, the sprocket has: a base, which is attached to the side edge of the chain cloth; and a ringing head, which is opposite to the base The side key cloth is extended and is coupled to the opposite element; and the first part is formed between the base and the ringing head; further, the stop has an upper wall and a lower wall, which are arranged in parallel The direction of the surface of the bond cloth; a pair of side walls 'connecting the upper wall and the lower wall; the sprocket (four) portion surrounded by the upper wall, the lower wall and the pair of side walls, and accommodating the key teeth and the fastening portion, The inner portion 4 is formed in the element storage portion 4 and is fastened in a state in which the key teeth are accommodated. Further, in the state in which the stopper and the fastener element are engaged, the end edge on the base side of the stopper is separated from the spray head from the base portion. The edge of the side is closer to the side of the engaging head. (7) The zipper of (1) wherein the sprocket has recesses formed on both sides of the front side of the base, and the engaging portion of the stop is engaged with the recess. W is the zipper of (1), wherein the fastening portion of the stop is engaged with the head of the sprocket. (4) The zipper of (1) or (2), wherein the sprocket has a pair of shoulders extending from the head portion; and a groove portion formed at a front end of the saliving head, and entering The shoulder of the opposite side of the sprocket; the stop has a pair of protrusions, the protrusions are in the direction in which the inner faces of the pair of side walls are close to each other, and in the state of the stop and the key=fastening, and the engaging head and The shoulders abut. 147842.doc 201119601 (5) The basin of any of (1) to (4). The size of the south of the wing is set on the inner surface of the upper wing of the sliding member and the inner surface of the lower wing. The gap size between the gaps and the upper and lower walls of the stop respectively form an inclined surface whose height dimension of the stop gradually decreases toward the side wall. EFFECTS OF THE INVENTION According to the zipper of the present invention, the end edge of the base side is closer to the head than the edge of the side separated from the head of the base by the end of the engagement with the fastener element. On the side, therefore, the corners of the base of the sprocket adjacent to the stop do not contact the two sides of the stop when f is curved. Thereby, even if a stopper is attached to the key, the flexibility of the zipper can be ensured, and the detachment of the stopper at the time of bending can be prevented. [Embodiment] Hereinafter, each embodiment of the slide fastener of the present invention will be described in detail based on the drawings. In the following description, regarding the chain cloth, the front side is closer to the viewer side than the paper surface of Fig. 1, the back side is opposite to the back side of the paper surface of Fig. 1, and the upper side is opposite to the upper side and the lower side of the paper surface of Fig. 1. The left side of the paper is opposite to the left side of the paper surface of FIG. 1, and the right side is opposite to the left side of the paper surface of FIG. 1. The right side of the paper is opposite to the side of the viewer's side of the paper of FIG. The front side is opposite to the upper side of the paper surface of FIG. 1 , the rear side is opposite to the lower side of the paper surface of FIG. 1 , the left side is opposite to the left side of the paper surface of FIG. 1 , and the right side is opposite to the paper surface of FIG. 1 . Right. Further, the left and right direction of the chain is also referred to as the width direction. (First Embodiment) First, a first embodiment of a slide fastener according to the present invention will be described with reference to Figs. 1 to 8 . 147842.doc 201119601 The zipper 10 of the present embodiment includes a pair of right and left chain cloths 20 as shown in Figs. 1 and 2, and a pair of left and right chain teeth rows 3 〇 which are attached to the pair of right and left chain cloths 20 The chain side edge portion 2〇a; and the slider 4〇 are engaged with the separation element row 30. Further, the sprocket row 30 is engaged by sliding the slider 4 〇 in the front-rear direction. Also, the map! The symbol in the middle is installed on the fish net of the chain cloth. Further, the chain cloth 20 may be a mesh-like chain cloth in addition to the woven and knitted chain cloth. Further, the symbol 12 in Fig. 1 is a lower stop β. Instead of the lower stop 12, an opening and inserting insert including a pin, a pin, and a tail cylinder can be attached. In the following description, the longitudinal direction of the zipper 1〇 is defined as the front-rear direction, and in particular, the direction in which the slider 40 engages the element row 3 〇 relative to the element row 3 作为 as the front, The direction in which the element rows 3 are separated and moved is referred to as the rear. Further, the direction of the front and back of the zipper 10 is defined as the height direction. Further, a direction which is flat on the surface of the zipper 10 and orthogonal to the longitudinal direction is taken as the width direction. Each of the pair of left and right chain tooth rows 30 includes a plurality of sprocket teeth 31, for example, a synthetic resin such as polyamide, polyacetal, polypropylene, or polyethylene terephthalate. The chain side edge portion 2〇a of the chain fabric 20 is injection molded. As shown in FIGS. 2 to 4, the sprocket 31 includes a base portion 32 which is attached to both sides of the front and rear side edge portions 20a of the chain fabric 20; the engaging head portion is formed by the base portion 32 to the opposite side. The chain cloth 20 is extended and engaged with the opposing sprocket η; the head portion 34 is formed between the base portion 32 and the engaging head portion 33 and is narrower than the width of the 4-to-head portion 33; a pair of shoulder portions 35, And extending from the head portion; the groove portion 36 is formed at the front end of the engaging head portion 33, and the shoulder portion 35 of the opposite side of the fastener element 31 is embedded; and the recess portion 37 is formed at the base 147842.doc - 6 - 201119601 The two sides of the direction of the portion 32 of the portion 32. The recess 37 is formed in a height direction smaller than the peripheral portion of the base portion 3 2 and smaller than the height direction of the head portion 3 3 and the head portion 34, and The engaging portion 55 of the upper stopper 5 后 will be inserted into the recessed portion 37 to be engaged with the engaged portion. The zipper 1 of the present embodiment is as shown in FIGS. 1 , 5 , and 6 . The sprocket 31 of the pair of sprocket rows 30 are respectively mounted with upper stops 5 〇, which can be attached to the sprocket 31 of the desired position by the user. The slidable range of the slider 40 (the range in which the zipper 打开 is opened) is changed according to the use occasion. Alternatively, the upper stopper 50 may be attached to only one of the pair of left and right key rows 3 又. In the case where the upper stopper 50 is attached to the sprocket 31 in the middle of the sprocket row 3, the sprocket 31 above the upper stopper 5 不 is not engaged. However, 'the unengaged portion is bundled with another belt or the like. As shown in FIG. 2 to FIG. 6 , the upper stopper 50 is a substantially rectangular parallelepiped having an upper wall 5 1 and a lower wall 52 which are arranged in parallel. The pair of side walls 53' are connected to the upper wall 51 and the lower wall 52, and the element storage portion 54 is surrounded by the upper wall 51, the lower wall 52, and a pair of side walls 53, and The engaging key teeth 3 1 ; the pair of engaging portions 55 ′ are formed to protrude from the inner side of the upper wall 5 1 and the lower wall 52 toward the element storage portion 54 in the direction in which they approach each other, and the recess 3 of the sprocket 3 1 7 and 3 7 fastening; and a chain cloth storage slit 5 6 formed in each of the pair of side walls 53 and accommodating the side edge portion 2 〇 α of the chain cloth 2 ^ The stopper 50 is attached in a state in which the fastener element 31 is housed in the element storage portion 54. Further, in the state in which the upper stopper 50 and the fastener element 31 are engaged, the stopper 501842.doc 201119601 is stopped. The end edge 5〇a of the base 32 side of the sprocket 31 of the 50 has an opening portion that is connected to the element accommodating portion 54 and that can be inserted into the sprocket 31, and is fastened to the chain 50 and the chain. In the case of the tooth 3 1 , the injection head 33 of the fastener element 3 1 is inserted from the opening side of the element storage portion 54 (on the side of the end edge 50 a of the element storage portion 54 ), and the opening of the upper stopper 50 is opened. The end edge of the side portion is engaged with the base portion 32 beyond the head portion 34. Here, the end edge on the opening side and the end edge 50a on the base 32 side of the upper stopper 5'' indicate the same portion. Further, the fourth embodiment to be described later also has an opening portion, and the end edge of the opening portion side and the edge portion 80 a of the base portion side of the upper stopper 8A are also different. Further, as shown in FIG. 3 and FIG. 4, a pair of protrusions are protruded from one of the pair of side walls of the upper stopper 5 接近 so as to be adjacent to each other from the inner surface of the pair of side walls 53 so as to be adjacent to the chain cloth. It is disposed so as to accommodate the innermost portion of the slit 56. As shown in FIG. 5, the protruding portion 57 is configured to be in contact with the meshing head portion 33 and the shoulder portion 35 of the fastener element 31 in a state in which the upper stopper 5A and the fastener element 31 are engaged with each other. . Here, the projection 57 abuts against the side surface of the engaging head portion 33 (the surface in the longitudinal direction of the slide fastener 1), and abuts against the engaging head portion 33 of the shoulder portion 35. Further, in the present embodiment, as shown in Figs. 5 and 6, in the state in which the upper end collision 5 〇 and the sprocket 31 are engaged, the end edge 5 〇 a of the base portion 32 side of the upper stopper 5 , is compared with The end edge 32a of the side of the base portion 32 where the engaging head portion 33 is separated is located further on the side of the engaging head portion 33. Thereby, as shown in Fig. 7, the corner portion of the base portion 32 adjacent to the sprocket 31 of the upper stop brother when bent does not contact the pair of side walls 53 of the upper stopper 5'. That is, in the meshing state of the upper stopper 50 and the sprocket 31, the sprocket portion 32 is exposed to the outside from the upper stopper 50. Further, the end edge of the base portion 32 is attached to the chain fabric 20 and is disposed on the slider 4. When the teeth are separated and slid, the 147842.doc 201119601 has a portion that comes into contact with a flange (not shown) of the slider 40. Further, in the present embodiment, as shown in FIG. 8, the height dimension 上 of the upper stopper 50 is set larger than the gap size S between the inner surface of the upper surface 41 of the slider 40 and the inner surface of the lower blade 42, and is The upper wall 5 1 and the lower wall 52 of the stop 50 are respectively formed with inclined faces 58 whose height dimension 逐渐 gradually decreases toward the side wall 53. As described above, according to the zipper 1 of the present embodiment, in the state in which the upper end 5 〇 and the sprocket 31 are engaged, the end edge 50a on the base portion 32 side of the upper stopper 50 is positioned to be meshed from the base portion 32. The end edge 32a of the side where the head 33 is separated is further engaged with the head portion 3 3 side, so that the corner portion of the base portion 32 of the sprocket 3 1 adjacent to the upper stopper 5 弯曲 does not contact the upper stopper 5 when bent. A pair of side walls 53. Thereby, even if the upper stopper 50 is attached to the sprocket 31, the bending property of the pull key 1 确保 can be ensured, and the upper stopper 50 can be prevented from being detached when bent. In the engaged state of the upper stopper 50 and the sprocket 31, the sprocket accommodating portion 54 surrounded by the upper wall 5 1 , the lower wall 52 , and the pair of side walls 53 accommodates the sprocket 3 1 and is thus engaged. In the state, the upper stop 50 can be attached to the sprocket 31« without swinging. As shown in FIG. 6, in the engaged state, the upper surface of the upper wall 51 and the lower wall 52 of the upper stop 50 are opposite to each other. The face is opposite to the inside of the front of the fastener element 31. Further, according to the zipper 10 of the present embodiment, the upper stopper 5 抵 is in contact with the fitting head 33 and the shoulder portion 35 of the fastener element 31 in the state in which the upper stopper 5 〇 and the fastener element 31 are engaged with each other. The pair of projections 57 can improve the stability of the engagement with the fastener elements 31 of the upper stop 5〇. Further, according to the zipper 1 of the present embodiment, since the dimension in the height direction of the upper stopper 5 is formed larger than the dimension of the sprocket 31 in the height direction, the flap 41 and the lower wing are made by the slider 40. The plate 42 abuts against the upper stop 5〇 and stops 147842.doc 201119601 The sliding of the sliding member 40. Thereby, the slider 4 can be surely prevented from falling off from the element row 3'. Further, since the height dimension η of the upper stopper 50 is set larger than the inner surface of the upper 41 and the lower wing of the slider 40. The gap size S between the inner faces, and the upper wall 51 and the lower wall 52 of the upper stop 50 respectively form an inclined surface 58 whose height dimension gradually decreases toward the side wall 53, so the side end of the upper stop 5〇 It enters between the wing 41 and the lower wing 42 of the slider 40. Thereby, the posture of the sprocket 31 to which the upper stopper 50 is attached can be stabilized, and the damage of the upper stopper 5 时 when the slider 40 comes into contact with the upper stopper 50 can be prevented. (Second Embodiment) Next, a second embodiment of the slide fastener of the present invention will be described with reference to Figs. 9 and 1B. The same or equivalent parts as in the first embodiment are denoted by the same reference numerals, and their description is omitted or simplified. As shown in Fig. 9 and Fig. 1A, the slide fastener 1 of the present embodiment is formed with a chain row 6〇 formed by the chain side edge portion 2〇a of the chain fabric 20 instead of the element row 30'. Each of the element rows 60 is composed of a plurality of independent sprocket teeth 6 ,, and the δ HF element 61 is provided with a base portion 62 ′ which is attached to the chain side edge portion 20 a of the chain cloth 20 ; 63' extends from the base 62 to the opposite side of the chain 2' and engages with the opposing sprocket 61; the head 64 is formed between the base 62 and the merging head 63 and has a narrower width than the meshing a pair of shoulders 65' extending from the head portion 64; a groove portion 66 formed at the other end portion of the engaging head portion 63 and embedded in the shoulder portion 65 of the opposite side of the fastener element 61; The step portions 67' are respectively formed on both sides of the front and rear directions of the base portion 62, and one of the upper stoppers 5'' is engaged with the engaging portions 55, respectively. The fastening step portion 67 is stepped by the dimension of the height direction of one of the base portions 32 being smaller than the height of the meshing head portion 33 and the head portion 34 by the height of the 147842.doc 201119601 direction, and the upper stop, the engaging portion of the 50 portion 55 is engaged with the fastening step 67. Further, since the fastening step portion 67 partially recesses the base portion 32, the concave portion of the present embodiment is constructed. Further, in the present embodiment, as shown in Fig. 10, in the state in which the upper stopper 50 and the fastener element 61 are engaged, the end edge 50a of the base portion 62 side of the upper stopper 50 is separated from the engaging head portion 63 of the base portion 62. The side edge 62a of the side is located on the side of the engaging head 63. As a result, similarly to Fig. 7 of the first embodiment, the corner portion of the base portion 62 adjacent to the sprocket 61 of the upper stopper 50 during bending does not come into contact with the pair of side walls 53 of the upper end collision 〇5. The other configuration is the same as that of the first embodiment described above. (Third Embodiment) Next, a third embodiment of the slide fastener of the present invention will be described with reference to Figs. 11 and 12 . The same or equivalent parts as in the first embodiment are denoted by the same reference numerals, and their description is omitted or simplified. As shown in Figs. 11 and 12, the pull key 10 of the present embodiment is formed with a element row 70 formed in the chain side edge portion 20a of the chain cloth 20 instead of the element row 30. Each of the element rows 70 includes a plurality of elements 71, and the element 71 integrally includes a surface portion 72A disposed on the front side of the chain cloth 20 and an inner surface portion 72B disposed on the back side of the chain cloth 20. The surface portion 72A includes a base portion 73 that is attached to the chain side edge portion 2〇3, a substantially triangular-shaped head portion 74 that extends from the base portion 73 to the opposite side chain cloth 20, and a concave portion 37 that It is formed on the front side of the base portion 73, and the engaging portion 55 of the upper stop 50 is engaged. The inner portion 72B is provided with a base portion 73 which is attached to the side edge portion 2〇3 of the chain fabric; 147842.doc • 11 · 201119601 the engaging head portion 75' is engaged with the inner portion mb of the opposite fastener element 7丨; the first portion 76 It is formed between the base portion 73 and the engaging head portion 75 and has a width narrower than the engaging head portion 75; and a recess portion 37 formed on the inner side surface of the base portion 73 and having the engaging portion 55 of the upper stop 50 Hehe. Further, in the present embodiment, as shown in Fig. 12, the end edge 50a of the base portion 73 side of the upper stopper 50 is separated from the engaging head portion 75 of the base portion 73 in the engaged state of the upper stopper 5〇 and the fastener element 71. The side edge 73a on the side is located on the side of the engaging head 75. Thereby, similarly to Fig. 7 of the first embodiment, the corner portion of the base portion 73 adjacent to the sprocket 71 of the upper stopper 50 during bending does not contact the pair of side walls 53 of the upper stopper 5A. As described above, the zipper 本 according to the present embodiment has the shoulder portion 35 and the groove portion 36 of the sprocket 31 of the first embodiment described above, so that the mold cost can be reduced and the zipper can be lowered. Manufacturing costs. Other configurations are the same as those of the above-described third embodiment. (Fourth embodiment) Next, a fourth embodiment of the slide fastener of the present invention will be described with reference to Figs. 13 to 15 . The same or equivalent parts as in the first embodiment are denoted by the same reference numerals in the drawings, and the description thereof is omitted or simplified. The slide fastener 1 of the present embodiment is shown in Fig. 13 and Fig. 14 instead of the upper stop 5〇. The upper teeth 8 are attached to the sprocket 31. Further, the upper stopper 8〇 may be attached to the fastener elements 61 and 71 of the second and third embodiments. As shown in FIG. 13 to FIG. 15, the upper stopper 80 is a substantially rectangular parallelepiped having a bottomed cylindrical shape, and includes an upper wall 81 and a lower wall 82 which are arranged in parallel in the direction of the surface of the chain cloth 2, a pair a side wall 83 connecting the upper wall 8 丨 and the lower wall 82; the front wall 147842.doc -12- 201119601 84 ' occluding one end of the cylindrical body formed by the upper wall 81, the lower wall 82, and the side wall 83; The sprocket accommodating portion 85 is surrounded by the upper wall 8.1, the lower wall 8, the pair of side walls 83, and the front wall 84, and houses the sprocket 3 1; the pair of engaging portions 86, which are from a pair The inside of the side wall 83 is formed to protrude inwardly in the sprocket accommodating portion 85, and is engaged with the splaying head portion 33 of the key teeth 31; and the shoulder accommodating slits 87 are respectively formed in the pair of side walls 83' and accommodate the sprocket 3 1 shoulder 35. Further, the pair of engaging portions 86 are formed to protrude toward the side walls 83 of each other, and the size between the pair of engaging portions 86 is set to be smaller than the length of the zipper 1 啮合 of the engaging head portion 3 3 . Thereby, the pair of engaging portions 86 can be engaged with the reading head portion 3 3 . As shown in FIG. 14 and FIG. 15, in the state in which the upper stopper and the fastener element 31 are engaged, the end edge 80a of the base portion 32 side of the upper stopper 80 is compared with the engagement head from the base portion 32. The edge 32a of the side of the separation portion 33 is located further on the head portion 34 on the side of the engaging head portion 33. Thereby, the base portion 32 of the fastener element 31 adjacent to the upper stop 8〇 when bent does not contact the pair of upper end collision side walls 83. As described above, according to the zipper 1 of the present embodiment, the end edge 8〇3 of the base 32 side of the upper stopper 8〇 is relatively smaller than the base 32 in the state in which the upper stopper 8〇 and the fastener element 31 are engaged. The end edge 32a of the side on which the engaging head portion 33 is separated is located on the head portion 34 on the side of the engaging head portion 33, so that the base portion 32 adjacent to the sprocket 31 of the upper end stop 8 is not in contact with the upper stopper when bent. One of the go is on the side wall. By this, even if the sprocket 3 1 is attached with the upper stopper 80', the flexibility of the zipper ’ can be ensured, and the detachment of the upper stopper 8 弯曲 can be prevented. Further, according to the zipper 1 of the present embodiment, since one of the upper stoppers 8 对 forms the shoulder accommodating slit 87 for accommodating the shoulder portion 35 of the sprocket 31, the chain of the upper stopper 80 can be increased. The stability of the snapping of the teeth 31. 147842.doc •13· 201119601 Other configurations are the same as those of the first embodiment described above. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front view showing a first embodiment of a slide fastener according to the present invention. Fig. 2 is an enlarged perspective view showing a state in which the zipper shown in Fig. 1 is attached before the stop. Fig. 3 is an enlarged surface view showing the state before the stop on the zipper shown in Fig. 。. Figure 4 is a cross-sectional view taken along line A-A of Figure 3; Fig. 5 is an enlarged plan view showing a state in which the zipper shown in Fig. 1 is mounted on the stopper. Figure 6 is a cross-sectional view taken along line B-B of Figure 5. Fig. 7 is an enlarged plan view showing a state in which the chain cloth shown in Fig. 5 is bent in the width direction. Fig. 8 is a view of the periphery of the fastener element to which the upper stopper is attached as seen from the side of the engaging head. Fig. 9 is an enlarged perspective view showing a second embodiment of the slide fastener of the present invention. Fig. 10 is an enlarged cross-sectional view showing a state in which the zipper shown in Fig. 9 is attached to the upper end. Fig. 11 is an enlarged plan view showing a third embodiment of the slide fastener of the present invention. Fig. 12 is an enlarged cross-sectional view showing a state in which the zipper shown in Fig. 11 is mounted on the upper stopper. Fig. 13 is an enlarged plan view showing a fourth embodiment of the slide fastener of the present invention. 147842.doc •14· 201119601 Fig. 14 is an enlarged plan view showing a state in which the zipper shown in Fig. 13 is mounted on the upper end. Fig. 15 is an enlarged cross-sectional view showing a state in which the zipper shown in Fig. 13 is attached to the upper end. [Main component symbol description] 10 zipper 20 key cloth 20a chain cloth side edge portion 30 sprocket row 31 key tooth 32 base portion 32a end edge 33 meshing head portion 34 head portion 35 shoulder portion 36 groove portion 37 recess portion 40 slider 41 upper wing plate 42 Lower wing 50 Upper stop (stop) 50a End edge 51 Upper wall 52 Lower wall 147842.doc 201119601 53 Side wall 54 Element storage part 55 Fastening part 56 Chain storage slit 57 Projection 58 Inclined surface 60 Chain tooth Row 61 sprocket 62 base 62a end edge 63 meshing head 64 head 65 shoulder 66 groove portion 67 snap step (recess) 70 key row 71 sprocket 72A surface portion 72B inner portion 73 base portion 73a end edge 74 head 75 Engagement head 76 Head 147842.doc - 16- 201119601 80 Upper stop (stop) 80a End edge 81 Upper wall 82 Lower wall 83 Side wall 84 Front wall 85 Sprocket accommodating portion 86 Snap portion 87 Shoulder sew Dimensional dimension S Clearance dimension 147842.doc •17-