1272164 玖、發明翁明 【發明所屬之技術領域】 本發明有關於釘書機，特別有關於將推壓手柄式連桿機 構改良後之釘書機。 【先前技術】 在手動式釘書機中，當與釘書針倉匣鉸連桿合之可開閉 之釘書針蓋被拉上時，釘書針倉匣內之推進器利用連桿構 件自動的後退，此種構造，不需要推進器之手動操作，釘 書針之裝塡方便爲一般習知者。 在此種釘書機中，連桿構件不是使用金屬板，而是使用 柔軟之樹脂製之推進器帶。推進器帶在兩端形成有寬幅度 之止脫部，前端穿通形成於推進器之狹縫，接合在推進器 成爲可以自由滑動，後端繫止在釘書針蓋。當將釘書針蓋 引上時，利用釘書針蓋將推進器帶拉向後方，推進器帶之 前端之止脫部將推進器拉向後退。在裝塡釘書針後，當將 釘書針蓋閉合時，利用彈簧使推進器彈接在釘書針之後 端，推進器帶通過推進器之狹縫被壓出到前方，前端部沿 著釘書針之上面到達釘書針倉匣內之前部。 在使用樹脂製之推進器帶作爲連桿構件之釘書機中，當 釘書針蓋閉合時，被壓出到推進器之前方之推進器帶不會 直進，會有前端部朝向釘書針倉匣之側方突出之情況。在 此種情況，推進器帶之前端部會因爲被釘書針倉匣和釘書 針蓋包夾而破損，當前端之止脫部破斷時，不能牽引推進 器，因而喪失作爲連桿構件之功能。 1272164 【發明內容】 因此，本發明之目的是解決上述之問題，所欲解決之技 術問題是防止推進器帶之破損。 本發明之提案用來達成上述之目的，提供一種釘書機’ 其構成是在覆蓋於釘書針倉匣之上面之可開閉之釘書針蓋 和釘書針倉匣內之推進器之間，裝有連桿機構，與釘書針 蓋之開放操作連動的，使推進器後退’在推進器帶之前端 部形成有止脫部，接合到推進器成爲可自由滑動，具備有 使推進器帶之後端部繫止在釘書針蓋之連桿機構’其特徵 是：在推進器之前部設有向前下降之帶引導部’在閉合釘書 針蓋時，使推進器帶之前端部位沿著帶引導部之下面進入 到釘書針之下面側。 【實施方式】 下面將依照圖面用來詳述本發明之一實施形態。圖1表 示釘書機，從上面起利用中空梢7，鉸連桿合有手柄2，驅 動器臂3，釘書針蓋4，釘書針倉匣5，和夾緊臂6。在釘 書機倉匣5內設有朝向前後方向之彈簧引導軸8，利用外 裝在彈簧引導軸8之壓縮線圈彈簧9用來將推進器1 0偏移 向前方。在推進器10被聚乙烯等之柔軟之樹脂製之推進器 帶1 1之前端部插穿，推進器帶1 1之後端部插穿到形成在 釘書針蓋4之長孔1 2。 當從圖1之初期狀態將手柄2拉上到上方時，手柄2和 驅動臂3和釘書針蓋4亦被引上，使釘書針倉匣5之上面 被開放，這時利用釘書針蓋4將推進器帶1 1拉向後方，用 7 1272164 來使推進器1 〇後退到釘書針倉匣5內，成爲可以將釘書針 裝塡到釘書針倉匣5內之狀態。在裝塡被壓製成爲門形之 釘書針之連結體之後，當使手柄2，驅動器臂3和釘書針 盖4閉合時，解除被推進器手柄1 1之拉伸的推進器1 〇， 彈接在釘書針之後端面，壓向前方，釘書針被壓接到釘書 針倉匣5之前部內壁面。 在釘書針裝塡後，手握夾緊臂6和手柄2進行閉合時， 使驅動器臂3和釘書針蓋4及釘書針倉匣5下降，釘書針 倉匣5之前部下面經由裝訂用紙（圖中未顯示）接觸在緊鉗 1 3 ’然後使驅動器臂3下降，被設在驅動器臂3之前端之 驅動器1 4用來使釘書針倉匣5內之最前列之釘書針射出到 下方。 在夾緊臂6設有扁平夾緊機構，以釘書針倉匣5之上面 作爲力點，利用使一端接合在驅動器臂3之連桿1 5，形成 使扁平夾緊機構之阻擋器1 6後退。當驅動器臂3進行下 降，射出釘書針時，驅動器臂3接近釘書針倉匣5用來使 連桿1 5轉動，連桿1 5之下端接觸在阻擋器1 6而使阻擋器 1 6朝向後方滑動。從被按壓到釘書針倉匣5之夾緊引導部 1 7卸除阻擋器1 6，用來使被解除支持之夾緊引導部i 7被 按下，釘書針之前端部衝突在緊鉗1 3，平坦的被折曲。 下面將說明推進器連桿機構。圖2(a)和2(b)表示推進器 帶1 1，其中形成有止脫部18,19,20，其在前後兩端或後端 稍前位置之幅度形成擴張。圖3(a)至3(d)表示釘書針蓋4， 在後端之軸承2 1之大致前方之頂面，形成有前後較長之長 1272164 孔1 2，使推進器帶1 1之後部插入到長孔1 2內，用來使長 孔12之側緣進入到後部之二個止脫部19,20(第2止脫部） 之間，藉以繫止推進器帶1 1。 圖4 (a)至4(f)表示插入到釘書針倉匣5內之推進器10， 使用聚醛樹脂等之射出成形樹脂零件，爲著使圖1所示之 彈簧引導軸8前後貫穿，所以使前後兩面開放。壓縮線圈 彈簧9彈接在被設於推進器1 0之前部之彈簧承接板22， 用來將推進器1 0向前方賦與勢能，藉以使推進器1 〇之左 右兩側之前端面23接觸在釘書針。在推進器1 0之左右之 內壁面設有突出到內側之帶支持部24，推進器帶1 1之前 端部插入到帶支持部24和頂部25之間之間隙。左右之帶 支持部24之後部垂直上立，連接到頂部25，當推進器帶 1 1從後方插入到帶支持部24和頂部25之間之間隙時’屬 於彈性材料之推進器帶1 1撓曲的通過間隙內’如圖5所 示，將推進器帶1 1之止脫部18(第1止脫部）鉤掛到帶支持 部24之後端之垂直壁面部26，用來連結推進器帶1 1和推 進器10。在推進器10之前部設有朝向前下方下降之帶引 導部27，帶引導部27之下端低於釘書針之高度。在推進 器1 0被固定之狀態，當將推進器帶1 1朝向前方壓出時， 推進器帶11之前端部接觸在帶引導部27之下面’偏向下 方的前進。 使釘書針蓋4開放，在將釘書針裝塡到釘書針倉匣5之 後，使手柄2回到初期狀態時，使後端部繫止在釘書針蓋 4，用來將推進器帶11朝向前方壓出，但是如圖6所示， 9 1272164 推進器帶丨1之前端部接觸在帶引導部27之下面’進入的 釘書針S之下面側而前進。因爲推進器帶11在藉由釘書針 倉匣5，彈簧引導軸8，和釘書針S所包圍之上下左右的空 間內前進，所以與推進器帶沿著釘書針之上面前進之習知 之釘書機不同，推進器帶1 1不會朝向釘書針倉匣4之側方 飛出，可以防止推進器帶1 1由於被釘書針倉匣5和釘書針 蓋4包夾而造成損傷。 另外，本發明並不只限於上述之實施形態，在本發明之 技術範圍內可以進行各種改變’本發明包含該等之改變。 本申請案係根據2002年3月29日申請之日本專利案（特 願2002-0967 9 8)而作成者，其內容係參考該對應案編入而 成。 (產業上可利用性） 如上所述，本發明之釘書機因爲構建成在閉合釘書針蓋 時，使推進器帶之前端部進入到釘書針之下面側，所以推 進器帶不會由於被釘書針倉匣和釘書機蓋包夾而損傷，可 以有效的防止推進器帶之劣化和破損。 【圖式簡單說明】 圖1是釘書機之側面剖面圖，用來表示本發明之實施形 態。 圖2(a)是推進器帶之平面圖，圖2(b)是推進器帶之側面 圖。 圖3(a)至圖3(d)表示釘書針蓋，圖3(a)是平面圖，圖3(b) 是正面圖’圖3(c)之部份欠缺側面圖，圖3(d)是底面圖。 10 1272164 圖4(a)至圖4(f)表示推進器，圖4(a)是側面剖面圖，圖 4(b)是俯視圖，圖4(c)是前視圖，圖4(d)是側視圖，圖4(e) 是後視圖，圖4 (f)是仰視圖。 圖5是推進器之俯視圖，用來表示安裝有推進器帶之狀 態。 圖6是推進器之側面剖面圖，用來表示推進器之前進狀 態。 (元件符號說明） 1 釘書機 2 手柄 3 驅動器臂 4 釘書針蓋 5 釘書針倉匣 6 夾緊臂 7 中空銷 8 彈簧引導軸 10 推進器 11 推進器帶 12 長孔 13 緊鉗 14 驅動器 15 連桿 16 阻擋器 17 夾緊導引部 11 止脫部 止脫部 止脫部 軸承 彈簧承接板 推進器前端面 帶支持部 頂部 垂直壁面部 帶引導部 釘書針1272164 玖,发明翁明 [Technical Field] The present invention relates to a stapler, and more particularly to a stapler which is improved by pushing a handle type linkage mechanism. [Prior Art] In the manual stapler, when the openable and closable staple cover is pulled up with the staple cartridge 匣 hinge link, the pusher in the staple cartridge 利用 automatically uses the link member The retreat, this configuration, does not require manual operation of the pusher, and the mounting of the staple is convenient for the general practitioner. In such a stapler, the link member is not a metal plate but a pusher belt made of a soft resin. The pusher belt is formed with a wide-range retaining portion at both ends, and the front end is formed through a slit formed in the pusher, and is engaged with the pusher so as to be freely slidable, and the rear end is fastened to the staple cover. When the staple cover is introduced, the pusher cover is pulled rearward by the staple cover, and the retaining portion of the front end of the pusher belt pulls the pusher back. After the staple is mounted, when the staple cover is closed, the pusher is spring-engaged at the rear end of the staple, and the pusher belt is pushed out to the front through the slit of the pusher, and the front end is along The top of the staple reaches the front of the staple cartridge. In a stapler using a resin pusher belt as a link member, when the staple cover is closed, the pusher belt that is pushed out to the front of the pusher does not straighten, and the front end faces the staple The situation of the side of Cangjie is prominent. In this case, the front end of the pusher belt is damaged by the staple cartridge and the staple cover, and the thrust of the current end cannot be pulled when the stop portion is broken, thus losing the link member. The function. 1272164 SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to solve the above problems, and the technical problem to be solved is to prevent breakage of the pusher belt. The proposal of the present invention is to achieve the above object, and to provide a stapler which is constructed between an openable and closable staple cover covering a staple cartridge and a pusher in a staple cartridge. , equipped with a link mechanism, interlocking with the opening operation of the staple cover, so that the pusher retreats a stop portion formed at the front end of the pusher belt, and is coupled to the pusher to be freely slidable, and has a pusher The link mechanism of the end portion of the belt that is fastened to the staple cover is characterized in that: a belt guide portion is provided at the front portion of the pusher to lower the front end portion of the pusher belt when the staple cover is closed. Enter the underside of the staple along the underside of the belt guide. [Embodiment] Hereinafter, an embodiment of the present invention will be described in detail in accordance with the drawings. Fig. 1 shows a stapler from which a hollow tip 7 is used which incorporates a handle 2, a drive arm 3, a staple cover 4, a staple cartridge 5, and a clamp arm 6. A spring guide shaft 8 oriented in the front-rear direction is provided in the staple cartridge magazine 5, and the compression coil spring 9 externally mounted on the spring guide shaft 8 is used to bias the pusher 10 forward. The end of the pusher 10 is inserted before the pusher belt 1 1 made of a soft resin such as polyethylene, and the end of the pusher belt 1 1 is inserted through the long hole 12 formed in the staple cover 4. When the handle 2 is pulled up from the initial state of Fig. 1, the handle 2 and the driving arm 3 and the staple cover 4 are also introduced, so that the upper surface of the staple cartridge 5 is opened, and then the staple is utilized. The cover 4 pulls the pusher belt 1 1 rearward, and uses 7 1272164 to retract the pusher 1 into the staple cartridge 5, so that the staple can be attached to the staple cartridge 5. After the mounting is pressed into the joint of the gate-shaped staples, when the handle 2, the driver arm 3 and the staple cover 4 are closed, the pusher 1 被 which is stretched by the pusher handle 1 1 is released, The end face of the staple is attached to the front end of the staple, and the staple is pressed to the inner wall surface of the front portion of the staple cartridge 5. After the staple mounting, when the gripping arm 6 and the handle 2 are closed, the driver arm 3 and the staple cover 4 and the staple cartridge 5 are lowered, and the lower portion of the staple cartridge 5 is passed under the front portion. The binding paper (not shown) contacts the clincher 1 3 ' and then the drive arm 3 is lowered, and the driver 14 provided at the front end of the actuator arm 3 is used to make the staple of the staple cartridge 5 The needle is shot below. The clamp arm 6 is provided with a flat clamping mechanism, with the upper surface of the staple cartridge 5 as a force point, and a stopper 15 for forming a flat clamping mechanism by a link 15 that engages one end with the actuator arm 3 Back. When the driver arm 3 descends and shoots the staple, the driver arm 3 approaches the staple cartridge 5 for rotating the link 15, and the lower end of the link 15 contacts the stopper 16 to cause the stopper 16 Slide towards the back. The stopper guide 16 is removed from the clamp guide portion 7 pressed to the staple cartridge 5 for pressing the unsupported clamp guide i 7 to be pressed, and the front end of the staple is in conflict Pliers 1 3, flat bent. The thruster linkage will be described below. 2(a) and 2(b) show the pusher belt 1 1, in which the retaining portions 18, 19, 20 are formed, which expand at a position slightly forward of the front and rear ends or the rear end. 3(a) to 3(d) show the staple cover 4, and the top surface of the rear end of the bearing 2 1 is formed with a long front and rear length of 1272164 holes 12, so that the pusher belt 1 1 is The portion is inserted into the long hole 12 to allow the side edge of the long hole 12 to enter between the two stop portions 19, 20 (second stop portion) at the rear portion, thereby stopping the pusher belt 1 1. 4(a) to 4(f) show the pusher 10 inserted into the staple cartridge 5, and the molded resin member is molded using a polyacetal resin or the like so that the spring guide shaft 8 shown in Fig. 1 penetrates front and rear. So open both front and back. The compression coil spring 9 is elastically coupled to the spring receiving plate 22 disposed at the front of the propeller 10 for imparting potential energy to the front of the propeller 10, thereby contacting the front end faces 23 of the left and right sides of the propeller 1 Staples. The inner wall surface on the left and right sides of the pusher 10 is provided with a belt support portion 24 projecting to the inner side, and the front end portion of the pusher belt 1 1 is inserted into a gap between the belt support portion 24 and the top portion 25. The rear portion of the left and right belt support portions 24 are vertically erected and connected to the top portion 25, and when the pusher belt 1 1 is inserted from the rear into the gap between the belt support portion 24 and the top portion 25, the propeller belt 1 belonging to the elastic material is scratched. In the passing passage of the curved piece, as shown in FIG. 5, the retaining portion 18 (the first retaining portion) of the pusher belt 1 is hooked to the vertical wall surface portion 26 at the rear end of the belt supporting portion 24 for coupling the pusher. Belt 1 1 and thruster 10. At the front portion of the pusher 10, there is provided a belt guiding portion 27 which is lowered toward the front lower side, and the lower end of the belt guiding portion 27 is lower than the height of the staple. In a state where the pusher 10 is fixed, when the pusher belt 1 1 is pushed forward, the front end portion of the pusher belt 11 comes into contact with the lower side of the belt guide portion 27 toward the lower side. The staple cover 4 is opened, and after the staple is mounted to the staple cartridge 5, the handle 2 is returned to the initial state, and the rear end portion is fastened to the staple cover 4 for pushing The belt 11 is pushed forward, but as shown in Fig. 6, the front end of the propeller belt 丨1 of 9 1272164 is brought into contact with the lower side of the staple S which enters under the belt guide 27 to advance. Since the pusher belt 11 advances in the upper, lower, left and right spaces surrounded by the staple cartridge 5, the spring guide shaft 8, and the staple S, the advancement of the pusher belt along the upper surface of the staple is performed. Unlike the stapler, the pusher belt 1 1 does not fly toward the side of the staple cartridge 4, which prevents the pusher belt 1 1 from being caught by the staple cartridge 5 and the staple cover 4 Cause damage. Further, the present invention is not limited to the above-described embodiments, and various changes can be made within the technical scope of the present invention. The present invention includes such changes. The present application was made in accordance with Japanese Patent Application No. 2002-0967 9.8, filed on March 29, 2002, the content of which is incorporated herein by reference. (Industrial Applicability) As described above, the stapler of the present invention is constructed such that when the staple cover is closed, the front end of the pusher belt is brought into the lower side of the staple, so the pusher belt does not Damaged by the staple cartridge and the staple cover, the deterioration and breakage of the pusher belt can be effectively prevented. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side cross-sectional view of a stapler for illustrating an embodiment of the present invention. Fig. 2(a) is a plan view of the pusher belt, and Fig. 2(b) is a side view of the pusher belt. 3(a) to 3(d) show the staple cover, Fig. 3(a) is a plan view, and Fig. 3(b) is a partial side view of the front view 'Fig. 3(c), Fig. 3(d) ) is the bottom view. 10 1272164 Figures 4(a) to 4(f) show the thruster, Fig. 4(a) is a side cross-sectional view, Fig. 4(b) is a plan view, Fig. 4(c) is a front view, and Fig. 4(d) is a front view Side view, Fig. 4(e) is a rear view, and Fig. 4(f) is a bottom view. Figure 5 is a plan view of the propeller showing the state in which the propeller belt is mounted. Figure 6 is a side cross-sectional view of the thruster showing the forward advancement of the propeller. (Component symbol description) 1 Stapler 2 Handle 3 Drive arm 4 Staple cover 5 Staple cartridge 匣 6 Clamp arm 7 Hollow pin 8 Spring guide shaft 10 Propeller 11 Propeller belt 12 Long hole 13 Tight pliers 14 Actuator 15 Linkage 16 Blocker 17 Clamping guide 11 Stopping and retaining part Stopping bearing Spring bearing plate Pusher front end with support top Vertical wall face with guide staple