JP2008137082A - Stapler - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To confirm no loading of staples even when marking for confirming no loading of staples is not applied in a predetermined position of a window part for confirming staples and reduce processing of a magazine loaded with staples. <P>SOLUTION: This stapler includes: a magazine 3 loaded with staples, which has a staple striking port 12 at the tip, and confirmation window parts 3f, 3g with edges for confirming the staples 30 at the sides; a pusher 6, having a rear end edge at the side, and adapted to press the staples loaded on the magazine 3 toward the staple striking port 12; and a driver arm 4, which has a driver 5 at one end and a driving fulcrum part at the other end, and applied with the filing force to the upper part of the staple pressed by the pusher 6, wherein the edge position of the window part for confirming the staple and the rear end edge position of the pressing part are set so that when the staples in the magazine amount to zero, the rear end edge of the pusher 6 is hidden from the confirmation window part 3g. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a stapler with a remaining amount presenting mechanism for binding a desired sheet bundle with staples. Specifically, when the staple in the magazine becomes zero, set the edge position for checking the window and the edge position of the trailing edge of the pusher so that the trailing edge of the pusher is hidden from the edge for checking the window. In addition, the distance between the trailing edge of the pusher that moves through the magazine and the edge for checking the window can be used to indicate whether or not there is a remaining number of staples, and that there is no remaining staple in the magazine. It can be easily confirmed.

  Conventionally, a stapler that binds a bundle of sheets with staples is often used. The stapler includes a clincher arm, a magazine, a pusher, a driver arm, a driver, a handle, and the like, and the pusher presses and biases the staple loaded in the magazine toward the staple discharge port.

  When a binding force is applied to the clincher arm, magazine, and driver arm, each having a bearing portion and sharing the main shaft, via the handle, the driver at the tip of the driver arm staples the most advanced staple loaded in the magazine. It is made to come out at the exit. Since the punched staple comes into contact with the clincher groove at the tip of the clincher arm, the tip is bent into a glass shape or a flat shape.

  When this operation is executed by sandwiching a sheet bundle or the like between the staple punching opening of the magazine and the clincher groove portion, the sheet bundle can be bound into glasses or a flat shape with staples. In addition, according to this type of stapler, a confirmation window for remaining staples is provided on the side surface of the magazine so that the status of staple loading and the degree of consumption can be confirmed.

  In relation to a stapler provided with such a remaining needle confirmation window, Patent Document 1 discloses a stapler. According to this stapler, a long hole is formed in the magazine, and marks are formed in vertical stripes on the upper and lower side surfaces of the long hole of the magazine. On the other hand, the side surface of the pusher is also marked with vertical streaks, and the remaining amount of staples in the magazine is determined based on whether or not these two marks match.

  For example, when the pusher mark is located behind the magazine mark, a large amount of staples are loaded, and when the two marks match, a predetermined amount of staples remain. If the pusher mark is located in front of the magazine mark, it is confirmed that the staple is close to zero. Thus, if the remaining needle confirmation window is configured, the remaining amount of staples in the magazine can be predicted.

  In addition, Patent Document 2 discloses an apparatus for informing the timing and quantity of replenishing staples. According to this stapler, the upper end side of the magazine is marked in a vertical stripe shape. On the other hand, the upper corner portion of the pusher is also marked with vertical streaks, and the remaining amount of staples in the magazine is determined based on whether or not the two markings match.

  According to the stapler described in Patent Document 3, a long hole is formed in the magazine, and the upper and lower side surfaces of the long hole of the magazine are graduated in a vertical streak shape. On this scale, the number of staples loaded in the magazine is displayed as an arithmetic number. By reading the numerical value where the edge of the staple loaded in the magazine indicates the scale, the remaining amount of the staple is judged.

  According to the stapler described in Patent Document 4, two large holes are drilled in the magazine, the large hole of the magazine is arranged on the rear end side of the magazine for loading confirmation, and the small hole is left. It is arranged on the front end side of the magazine for quantity confirmation. When the staples in the magazine are consumed and reduced, the remaining amount is confirmed with a small slot.

: Actual Kosho 36-31605 (Fig. 2) : Actual Kosho 37-10409 (Fig. 2) : Shoko Sho 37-29209 (Fig. 2) : Japanese Utility Model Publication No. 52-65387

  By the way, according to the remaining needle confirmation mechanism (window) mounted on the conventional stapler as seen in Patent Documents 1 to 4, the staple edge is used as a part of the index, so that it remains in the magazine. When the remaining number of staples decreases, the staples are hidden on the side surface of the magazine, and the remaining staples = “0” cannot be presented. Incidentally, when trying to present the remaining staple = “0”, in addition to the vertical streak indicating the remaining amount, a stamp for confirming the remaining staple zero is newly applied at a predetermined position of the staple confirmation window. There is a problem that it must be.

  Therefore, the present invention solves the above-described problem, and enables the staple loading zero to be confirmed without marking the staple remaining zero at a predetermined position of the staple confirmation window. An object of the present invention is to provide a stapler that can reduce processing of a loading unit for loading staples.

  In order to solve the above-described problems, a stapler according to the present invention is a stapler that binds staples based on a predetermined binding force, has a staple driving opening at the tip, and is used for checking staples on a side surface. A loading section that has a window portion with an edge and a staple loaded therein, a rear end edge on a side surface, a pressing section that presses the staple loaded in the loading section toward the opening, and a drive at one end And a driving arm portion having a driving fulcrum portion at the other end and a driving arm portion to which a binding force is applied to the top of the staple pressed by the pressing portion, and the staples in the loading portion become zero The edge position for checking the window part and the rear edge position of the pressing part are set so that the trailing edge of the pressing part is hidden from the edge for checking the window part. .

  According to the stapler according to the present invention, for example, the length from the opening of the loading unit to the edge for checking the window is L1, and the pressing unit is positioned at the opening of the loading unit. When the length from the leading end to the rear end edge of the pressing portion is L2, the length L1 of the pressing portion is set so that the length L1 and the length L2 are substantially equal.

  Therefore, when the rear end edge of the pressing portion is visible at the window portion, it can be confirmed that the staples in the loading portion are not zero. When the rear end edge of the pressing portion cannot be seen at the window portion, it can be easily confirmed that the staples in the loading portion are zero.

  Preferably, a predetermined position on the side surface of the pressing portion is colored, and the colored portion is used as an index indicating whether or not a staple is loaded.

  Preferably, when the color of the indicator of the pressing portion is confirmed in the window portion, it indicates that the remaining number of staples has decreased, and when the color of the indicator of the pressing portion is no longer confirmed in the window portion, the staple Indicates a state in which it is not loaded in the loading unit.

  Preferably, a predetermined position on the side surface of the pressing portion is colored by connecting a plurality of colors, and a window portion is provided so that the color of the indicator of the pressing portion changes according to the remaining number of staples remaining in the loading portion. It is characterized by that.

  According to the stapler of the present invention, when the staple in the loading unit becomes zero, the edge position for checking the window portion and the position of the pressing portion are hidden so that the trailing edge of the pressing portion is hidden from the edge for checking the window portion. The rear edge position is set.

  With this configuration, it is possible not only to indicate the remaining number of staples according to the distance between the trailing edge of the pressing portion moving in the window portion and the edge for checking the window portion, but also that the staples in the loading portion have become zero. It becomes easy to confirm. Therefore, unlike the conventional method, it is not necessary to make a stamp for confirming staple zero at a predetermined position of the window portion, so that processing of the loading portion for staples can be reduced.

  Hereinafter, a stapler according to an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a cross-sectional view showing a configuration example of a stapler 100 as an embodiment according to the present invention.

  The portable stapler 100 shown in FIG. 1 has a function of binding the staple 30 based on a predetermined binding force. The stapler 100 includes a clincher arm 1 having a main frame 1a having a predetermined shape. The main frame 1a is formed by bending a metal plate into a predetermined shape, and constitutes a main body base portion of the stapler 100. A clincher groove 1h is provided at the tip of the main frame 1a, and has a functional structure that bends the tip of the staple 30 into a glass shape or a flat shape.

  In addition, the clincher groove part 1h of the structure illustrated in an Example has shown the example suitable for bending the front-end | tip of the staple 30 in glasses shape. The back surface side of the main frame 1a is covered with a synthetic resin clincher arm cover (hereinafter referred to as a clincher cover 2) having a design shape.

  A magazine 3 constituting an example of the function of the loading unit is movably attached to the main frame 1a of the clincher arm 1. The magazine 3 has a main frame 3a having a predetermined shape. The magazine 3 has a staple punching port 12 at the front end of the main frame 3a, and has a hole for driving shaft fulcrum (hereinafter referred to as holes 3b and 3c) at the other end, and staples 30 are loaded. .

  On the rear side of the magazine 3, main shaft pins (hereinafter referred to as main pins 21) are engaged with the holes 3b and 3c of the main frame 1a. The magazine 3 can be loaded with one or two staples 30 each having 50 bonded bonds.

  The magazine 3 is slidably engaged (slidably fitted) with a pusher 6 that constitutes an example of the function of the pressing portion, and presses (sends) the staples 30 loaded in the magazine 3 toward the staple discharge port 12 at the tip. ) Works like that.

  A coil spring 10 is disposed between the rear side of the magazine 3 and the rear side of the clincher arm 1. The coil spring 10 is configured to hold a predetermined gap between the clincher groove portion 1 h and the staple punching port 12 in order to interpose a sheet bundle between the clincher arm 1 and the magazine 3.

  A driver arm 4 constituting an example of the function of the drive arm portion is movably attached to the main pin 21 described above. The driver arm 4 has a main body frame 4a. The main body frame 4a is formed by bending a metal plate and bending it into a predetermined shape so as to have a top plate surface and both side surfaces. The driver arm 4 has a driver 5 (driving unit) at one end (front end) and holes 4b and 4c for receiving the main pin 21 at the other end (rear end). The driver 5 is brought into contact with the top of the top of the staple 30 pressed by the pusher 6 and presses the top of the staple 30 with a pressing force applied to the driver arm 4.

  A staple cover 7 is disposed inside the main body frame 4a of the driver arm 4 and on the magazine 3, and the staples 30 loaded in the magazine 3 are pressed downward. The staple cover 7 is rotatably attached to the main pin 21. In this example, the end portion of the staple cover 7 has a U shape and is rotatably engaged so as to cover the main pin 21.

  Between the main body frame 4a of the driver arm 4 and the staple cover 7 on the magazine 3, there is provided a coil spring 11 which is set to be more elastic than the coil spring 10, and the driver 5 is pulled out of the magazine 3 to pull out the staple. 12 is energized to stand by. This state is a standby state of the stapler 100.

  A handle 8 constituting an example of the function of the operation unit is provided above the driver arm 4 and is operated so as to apply a binding force to the driver 5 of the driver arm 4. The handle 8 has a main frame 8a configured by bending a metal plate into a predetermined shape.

A handle cover 9 constituting an example of the function of the operation covering portion is provided on the upper portion of the handle 8 and is attached so as to cover the surface of the main frame 8 a of the handle 8.
As with the clincher cover 2, the handle cover 9 is composed of a synthetic resin-made shaping frame having a design shape.

  The handle 8 and the handle cover 9 are rotatably engaged (pivoted) at a rear end portion thereof by a second drive shaft fulcrum portion (hereinafter referred to as a connection shaft 22) disposed above the main pin 21. . The connecting shaft 22 includes, for example, convex shaft portions 1d and 1e provided in a ring shape on the sheet metal side surface of the clincher arm 1 by burring or the like, and U-shaped bearing portions 8d and 8e provided on the sheet metal side surface of the handle 8. (See FIG. 7).

  In addition, an action point q for pressing the driver arm 4 is set on the way from the connecting shaft 22 of the handle 8 and the handle cover 9 to its tip (in the direction of staple punching). The action point q is provided with a pin for action point (hereinafter referred to as action pin 23) for freely engaging the handle 8 and the driver arm 4.

  As described above, when the position of the connection shaft 22 is set higher than the position of the main pin 21 shared by the magazine 3 and the driver arm 4, the connection shaft is obtained when the tips of the handle 8 and the handle cover 9 are set to the force point p. 22 serves as a fulcrum, and the staple 30 can be bound with a small depressing force with the force point p of the handle cover 9 while depressing the driver arm 4 at the operating point q (a boosting mechanism).

  In this example, a back cover 15 is provided at the rear end portion of the stapler 100 in which the magazine 3, the driver arm 4, the main pins 21 of the staple cover 7, the connection shaft 22 of the handle 8 and the handle cover 9, and the like are configured. . The back cover 15 can prevent foreign matters (for example, fingertips and the like) from entering the openings formed at the rear end side portions of the clincher cover 2 and the handle cover 9 and the appearance is clean in terms of external design. To be made.

  In this example, a spare staple storage unit 17 is provided behind the upper surface of the handle cover 9. In this example, two spare staples 30 can be stored in a stacked state. A storage lid 18 is movably attached to the preliminary staple storage portion 17 and is closed so as to cover the upper portion thereof.

  FIG. 2 is a perspective view illustrating a configuration example of the pusher 6. The pusher 6 shown in FIG. 2 has a bifurcated body frame 64. A planar convex engaging portion 65 is provided on the upper portion of the main body frame 64, and a guide hole portion 66 is provided on the lower portion thereof. The planar convex engaging portion 65 is for attaching the pusher band 6c, and the guide hole 66 is used when the spring guide 6a is passed (see FIG. 6).

  Both side surfaces of the main body frame 64 have edges at the front end and the rear end. The front edge portion 67 is configured to contact the staple 30. The trailing edge portion 68 forms a remaining amount presentation mechanism 301 for the staple 30 together with the confirmation window portions 3f and 3g provided on both side surfaces of the magazine shown in FIG.

  FIG. 3 is a perspective view showing a configuration example of the remaining amount presentation mechanism 301 as the first embodiment. According to the staple 30 remaining amount presentation mechanism 301 shown in FIG. 3, the side of the magazine 3 has two confirmation windows 3 f and 3 g for confirming the loading of the staple 30. 6 is slidably engaged. The magazine 3 can be loaded with one or two staples 30 each having a single bonded number of 50.

  The magazine 3 has a main frame 3a. Confirmation window portions 3f and 3g are provided on the side surface of the main frame 3a. In this example, the confirmation window 3f and the confirmation window 3g are arranged in this order from the side closer to the staple punching opening 12 of the magazine 3. The confirmation window 3f is a window for confirming the alignment state of the staples 30. The confirmation window portion 3g is a window portion for confirming the presence / absence of the staple 30 and the remaining number thereof. The confirmation window 3f has a length twice as an example of the confirmation window 3g.

  This is because the confirmation window portion 3f can confirm 50 staples 30 in a row, and the confirmation window portion 3g is set to an arrangement position that functions when, for example, the remaining number of about 10 staples is reached. is there. In this example, when the staple 30 in the magazine 3 becomes zero, the edge position for confirmation of the confirmation window 3g is hidden so that the rear edge 68 of the pusher 6 is hidden from the edge 3m for confirmation of the confirmation window 3g. And the rear end edge position of the pusher 6 are set. The bottom of the main frame 3a is provided with a cutting hole 3j in front of it and a cutting hole 3k in the rear. The cut and bent holes 3j and 3k are used when the pusher 6 is attached.

  4A and 4B are front views showing a setting example of the confirmation window 3g in the remaining amount presentation mechanism 301. FIG.

  According to the setting example of the confirmation window 3g in the magazine 3 of the remaining amount presentation mechanism 301 shown in FIG. 4, the length from the staple punching outlet 12 of the magazine 3 to the staple confirmation edge 3m of the confirmation window 3g is set to L1. When the length from the front end of the magazine 3 in the state where the pusher 6 is located at the staple punching opening 12 of the magazine 3 to the rear end edge portion 68 of the pusher 6 is L2, the length L1 and the length are as follows. The length L1 is set so that L2 is substantially equal.

  When the length L2 of the pusher 6 is defined in this way, when the staple 30 in the magazine 3 becomes zero, the rear end edge portion 68 of the pusher 6 is hidden from the staple confirmation edge 3m of the confirmation window portion 3g. Become. The opposite side can be seen in the entire confirmation window 3g without being blocked by the pusher 6. In the confirmation window 3f, the color of the side surface of the pusher 6 is observed.

  5A to 5D are state transition diagrams showing an example of the function of the remaining amount presentation mechanism 301.

  According to the display example of the remaining amount shown in FIG. 5A, for example, in the case of two full loadings or 1.5 consecutive loadings, the side surface of the connected staple 30 can be seen in the confirmation window portion 3f, and the confirmation window portion 3g also remains. The side of the staple 30 and the tip of the pusher 6 are visible. The binding process is executed from this state, and the staple 30 is consumed.

  According to the display example when the remaining amount = “10” shown in FIG. 5B, the staples 30 are sequentially consumed from the staple loading state shown in FIG. 5A, and the staples 30 become almost invisible in the confirmation window 3f, and the confirmation window In 3f, almost the entire side surface of the pusher 6 begins to be visible, and the rear end of the pusher 6 begins to be visible even in the confirmation window 3g. This state is a case where, for example, the remaining number = 10 staples 30 remain between the staple punching hole 12 and the front end edge portion 67.

  According to the display example when the remaining amount = “1” shown in FIG. 5C, the staples 30 are further consumed sequentially from the state where the remaining number of staples = about 10 shown in FIG. 5B. The staple 30 becomes invisible, the side surface of the pusher 6 can be seen entirely in the confirmation window portion 3f, and the rear edge of the pusher 6 can be seen in the confirmation window portion 3g. In this state, for example, the remaining number = 1 staple 30 remains between the staple punching hole 12 and the front end edge portion 67.

  According to the display example when the remaining amount = “0” shown in FIG. 5D, the last one staple 30 is consumed from the state of the remaining number of staples = 1 shown in FIG. 5C, and the confirmation window 3f The staple 30 is completely invisible, and the rear edge 68 of the pusher 6 is hidden by the side surface of the magazine 3 in the confirmation window 3g, and the opposite side is not obstructed by the pusher 6 in the confirmation window 3g. It will be in the state visible through the window part 3g. This state is a case where there is no longer any staple 30 between the staple punching opening 12 and the front end edge portion 67. In this manner, the remaining amount of the staple 30 can be easily grasped by the remaining amount presentation mechanism 301.

  6 and 7 are perspective views showing examples (parts 1 and 2) of assembling of the stapler 100. FIG. In this example, the parts of the magazine 3 and the back cover 15 and the parts of the clincher cover 2, the driver arm 4, the handle 8, and the handle cover 9 will be described separately with reference to the clincher arm 1.

  First, the magazine 3, the staple cover 7 and the back cover 15 are attached to the clincher arm 1 shown in FIG. The clincher arm 1 includes a main frame 1a having a predetermined shape, holes 1b and 1c for main bearings, convex shafts 1d and 1e for connecting shaft configuration, holes 1f and 1g for locking, and a clincher groove 1h. The provided one is used.

  Next, a pusher 6, a spring guide 6a, and a spring spring 6b are attached in the magazine 3. The magazine 3 is provided with a main frame 3a having a predetermined shape, holes 3b and 3c for main bearings, holes 3d and 3e for locking, confirmation windows 3f and 3g, and a staple punching opening 12, and cutting and bending. A hole provided with a rectangular hole (not shown) for attaching the back cover and a T-shaped hole between the holes 3j and 3k is used.

  For example, the spring guide 6a is inserted into the guide hole 66 of the pusher 6 through the spring guide 6a and the spring guide 6a is inserted. In this state, the parts are assembled so as to fit between the front and rear cutting holes 3j and 3k. It is done. The spring spring 6 b is inserted between the end face side of the pusher 6 and the rear end side in the magazine 3 on the side where the staple 30 is not loaded. Thus, the remaining amount presentation mechanism 301 is configured.

  Next, the staple cover 7 is engaged on the magazine 3. The staple cover 7 is provided with a main body frame 7a having a predetermined shape, U-shaped portions 7b and 7c for main shaft engagement, and an opening 7d for engaging a pusher band. The staple cover 7 is engaged with the driver arm 4 by the main pin 21.

  Further, the pusher band 6 c is attached between the pusher 6 and the staple cover 7. As the pusher band 6c, a tongue-shaped member having a predetermined length and having a sword tip portion 61, a T-shaped portion 62, and a protruding portion 63 is used. The pusher band 6c is made of synthetic resin. For example, the sword tip 61 is attached to the engaging portion 65 of the pusher 6. The T-shaped portion 62 and the protruding portion 63 are attached to the opening 7 d of the staple cover 7.

  At this time, the lock pin 13 and the lock cap 14 may be attached to the clincher arm 1 and the magazine 3. The magazine 3 is provided with pin insertion holes 3d and 3e at predetermined positions. For the lock pin 13, a rod-shaped body having one end that is prevented from coming off and the other having a locking portion is used. A stepped engagement component is used for the lock cap 14. The lock cap 14 has a small diameter part and a large diameter part.

  At predetermined positions of the clincher arm 1, a locking daruma-shaped hole 1 f and a long hole-shaped hole 1 g are provided. The hole 1f has a small diameter part and a large diameter part. The small-diameter portion of the hole 1 f is made almost equal to the outer diameter of the lock pin 13. Further, the large-diameter portion of the hole 1 f is substantially equal to the small-diameter portion of the lock cap 14. The large diameter portion of the lock cap 14 is made larger than the large diameter portion of the hole 1f.

  The lock pin 13 is inserted from the long hole-shaped hole 1g of the clincher arm 1 and passes through the holes 3d and 3e of the magazine 3 to reach the daruma-shaped hole 1f, and a lock cap 14 is attached to the tip thereof. If the hole 1f and the lock cap 14 are configured in this way, when the lock cap 14 is pulled forward, the lock pin 13 moves to the small diameter portion of the hole 1f, so that the magazine 3 is locked to the clincher arm 1. Is released.

  Contrary to this movement, when the magazine 3 is pushed down from above the handle cover 9 (the lock cap 14 is pushed down), the lock pin 13 moves from the small diameter portion of the hole 1f to the large diameter portion. Thereafter, when the lock cap 14 is pushed back, the small-diameter portion of the lock cap 14 is fitted into the large-diameter portion of the hole 1f. As a result, the magazine 3 can be locked with respect to the clincher arm 1 (lock mechanism).

  An attachment region I for the back cover 15 is demarcated on the front side of the cut / bend hole 3k. In this attachment region I, a rectangular hole for attaching the back cover is provided at a predetermined position. A T-shaped hole is provided at a position away from the hole by a predetermined distance. The back cover 15 is attached to a rectangular hole, a T-shaped hole, or the like. Of course, the back cover 15 may be incorporated in the magazine 3 first, and the assembly order is not limited to this.

  Further, the clincher cover 2, the driver arm 4, the handle 8, the handle cover 9, and the coil spring 10 shown in FIG. 7 are added to the intermediate assembled parts including the clincher arm 1, the magazine 3, the staple cover 7 and the back cover 15 assembled in FIG. The coil spring 11 is attached. The driver 5 is attached to the driver arm 4 in advance.

  In this example, the coil spring 10 is disposed between the clincher arm 1 and the magazine 3, the coil spring 11 is disposed between the driver arm 4 and the staple cover 7, and the main pin 21 is a hole for the main bearing of the main frame 1a. The hole 1c of the main frame 1a from the portion 1b through the main bearing hole 4b of the driver arm 4, through the main bearing holes 3b and 3c of the magazine 3, and again through the hole 4c of the driver arm 4. Assemble to reach.

  Next, the connecting shaft 22 extends from the hole 8b for the action point of the main frame 8a of the handle 8 to the hole 4e through the hole 4d for the action point of the main frame 4a of the driver arm 4, and further to the main frame 8a. Assembling to reach the hole 8c. Thereafter, the clincher cover 2 is attached to the clincher arm 1, the handle cover 9 is attached to the handle 8, and the storage lid 18 is attached to the upper portion of the handle cover 9. Then, the back cover 15 covers the opening at the rear end. Thereby, the stapler 100 with the remaining amount presentation mechanism as shown in FIG. 8 is completed.

  FIG. 8 is a front view showing an example of the appearance of the stapler 100 with a remaining amount presentation mechanism.

  According to the stapler 100 shown in FIG. 8, when assembled as shown in FIGS. 6 and 7, in the standby posture of the stapler 100, the remaining amount presentation mechanism 301 is placed on the front side of the side surface of the magazine 3 and the confirmation window 3 f and Arranged to expose 3 g. This is for confirming the alignment of the staples 30 and the remaining number in the standby posture of the stapler 100.

  In the figure, on the side surface of the magazine, the scales described above the confirmation window portions 3f and 3g are marks for displaying the remaining amount of staples 30. Even if this scale is not present, it does not interfere with the function of the remaining amount presentation mechanism 301. Therefore, the effect of the present invention can be obtained even with the stapler 100 that does not display the remaining amount.

  FIGS. 9 to 12 are cross-sectional views showing operation examples (parts 1 to 4) of the stapler 100. FIG. In this example, the description will be divided into four states: a standby state of the stapler 100, a clincher state, a half-open state, and a fully-open state.

  According to the stapler 100 in the standby state shown in FIG. 9, when the angle formed by the handle cover 9 and the clincher cover 2 is the standby angle θ1, for example, the posture is maintained at about θ1 = 30 °. In this state, the lock is released, the magazine 3 is held horizontally, the driver arm 4 is slightly raised from the horizontal position, and the driver 5 is on the staple outlet 12 of the magazine 3 and the staple 30 The standby state is maintained at a position where the pressing operation is not hindered.

  Further, according to the stapler 100 from the standby state shown in FIG. 9 to the clinch state shown in FIG. 10, the tip of the handle cover 9 is centered on the connection shaft 22 (second drive shaft fulcrum) shown in the drawing. When the side is pressed in the direction of the clincher cover 2, the handle cover 9 presses the connecting arm 22 and the driver arm 4 through the handle 8.

  In response to this pressure, the driver arm 4 tries to rotate and drop about the main pin 21 (first drive shaft fulcrum), but the coil spring 10 is set to be less elastic (spring) than the coil spring 11. Therefore, the pressing force applied to the driver arm 4 reduces the coil spring 10.

  As a result of this reduction, the magazine 3 is rotated and lowered (forwardly tilted) around the main pin 21 in a form that is pushed by the driver arm 4 and the staple cover 7, and between the clincher groove 1h of the clincher cover 2, for example, The sheet bundle is sandwiched.

  When the rotation and lowering operation of the handle cover 9 is further continued, a force stronger than the elasticity of the coil spring 11 is applied to the driver arm 4 via the handle 8, so that the coil spring 11 is reduced and the push accompanying this reduction is applied. The pressure is transmitted to the driver 5.

  Upon receiving this pressing force, the driver 5 ejects the staple 30 in the state of being positioned at the head in the magazine 3 from the staple punching opening 12 and penetrates the sheet bundle sandwiched between the magazine 3 and the clincher cover 2. When the staple 30 is pressed against the clincher groove 1h, the leading end of the staple 30 is deformed into glasses, and the binding operation of the sheet bundle can be completed.

  In this series of operations, the handle cover 9 is rotated about the connecting shaft 22 as the tip side is pressed toward the clincher cover 2 via the magazine 3 or the like. The pressing (turning) operation appears as an action point on the pin 23 between the distal end side and the connecting shaft 22. In this example, when the tips of the handle 8 and the handle cover 9 are set to a force point p, the connecting shaft 22 serves as a fulcrum, and the action pin 23 serves as an action point q to connect in cooperation with the tip of the handle cover 9. Since the driver arm 4 is pressed twice by the shaft 22 (the principle of leverage), the staple 30 can be bound with a small pressing force (a boost mechanism).

  When the pressure on the handle cover 9 is released, the stapler 100 returns the magazine 3, the driver arm 4, the driver 5, the handle cover 9 and the like to their original positions by the coil springs 10 and 11, and θ1 = shown in FIG. A standby posture of 30 ° is maintained. The pusher 6 in the magazine 3 operates so as to press the staples 30 in the next order loaded in the magazine 3 toward the staple punching opening 12 by the urging force of the spring spring 6b.

  In the remaining amount presentation mechanism 301, for example, the side surface of the connected staple 30 can be seen in the confirmation window portion 3f, and the side surface of the remaining staple 30 and the pusher 6 can also be seen in the confirmation window portion 3g. The tip of can be seen. The binding process is executed from this state, and the staple 30 is consumed.

  For example, when the staples 30 are sequentially consumed from the staple loading state shown in FIG. 5A, as shown in FIG. 5B, the staples 30 are hardly visible in the confirmation window 3f, and the pusher 6 is used in the confirmation window 3f. And the confirmation window 3g starts to see the rear end of the pusher 6 (see display example when remaining amount = “10”).

  Further, when the staples 30 are sequentially consumed from the state where the remaining number of staples = 10 shown in FIG. 5B, the staples 30 cannot be seen at all in the confirmation window 3f as shown in FIG. In the portion 3f, the side surface of the pusher 6 can be seen as a whole, and in the confirmation window portion 3g, the rear end of the pusher 6 can be seen in an edge corresponding to one (see display example when remaining amount = “1”). .

  Then, when the last one staple 30 is consumed from the state where the remaining number of staples = 1 as shown in FIG. 5C, as shown in FIG. 5D, the staple 30 cannot be seen at all in the confirmation window 3f. In the confirmation window portion 3g, the rear end edge portion 68 of the pusher 6 is hidden behind the side surface of the magazine 3. In the confirmation window portion 3g, the opposite side can be seen through the confirmation window portion 3g without being blocked by the pusher 6. (See display example when remaining amount = "0").

  Further, according to the stapler 100 from the standby state shown in FIG. 9 to the half-open state shown in FIG. 11, the handle cover 9 is reversed backward with the connection shaft 22 as the center. In this case, when the angle formed by the handle cover 9 and the clincher cover 2 is defined as the rising angle θ2, for example, θ2 = about 90 °. In this example, since the driver arm 4 is connected to the handle cover 9 via the handle 8, the driver arm 4 is turned upside down with the main pin 21 as the center, and the magazine 3 that has been waiting at the original position. The upper surface side of is opened. As a result, the staple can be loaded. In this state, the staple 30 can be easily loaded. For example, the spare staple 30 is taken out from the spare staple storage unit 17 and loaded into the magazine 3.

  Further, according to the stapler 100 from the half-open state shown in FIG. 11 to the full-open state shown in FIG. 12, the handle cover 9 is further reversed backward from the half-open state around the connection shaft 22. In this case, when the angle formed by the handle cover 9 and the clincher cover 2 is the full opening angle θ3, for example, θ3 = about 160 °.

  In this example, on the handle cover 9, the driver arm 4 connected to the handle 8 in the half-opened state is swung around the main pin 21 as it is, and further stands up and holds the magazine 3 waiting in the original position. The upper surface side is further opened. Thereby, the operativity at the time of staple loading is further improved.

  When the handle cover 9 is fully opened, the back cover 15 with the rear opening closed closes the cover tip movement region as the handle cover 9 is reversed even in a further reversing operation centered on the connecting shaft 22 of the handle cover 9. It moves relatively further, and comes in contact with the upper part of the main body frame 4a of the driver arm 4 that has been inverted along with the handle cover 9, and further comes into sliding contact with the upper part.

  11 and 12, the U-shaped portions 8d and 8e of the handle 8 are detached from the convex shaft portions 1d and 1e of the main frame 1a of the clincher arm 1 at a portion constituting the connection shaft 22, and the handle cover is removed. 9 is shifted to the main pin 21. In this way, the handle cover 9 can be expanded with respect to the clincher arm 1 at a full opening angle θ3 = 160 °.

  Thus, according to the stapler 100 according to the first embodiment, the remaining amount presentation mechanism 301 is provided, and the length from the staple punching opening 12 of the magazine 3 to the staple confirmation edge 3m of the confirmation window 3g is set to L1. When the length from the front end of the magazine 3 in the state where the pusher 6 is positioned at the staple punching opening 12 of the magazine 3 to the rear end edge of the pusher 6 is L2, the length L1 and the length L2 are set to be approximately equal. Is done.

  Therefore, when the rear end edge portion 68 of the pusher 6 can be seen in the confirmation window portion 3g, it can be confirmed that the staple 30 in the magazine 3 is not zero. Further, when the rear end edge portion 68 of the pusher 6 is hidden behind the side surface of the magazine 3 through the confirmation window portion 3g, it can be easily confirmed that the staples 30 in the magazine 3 are zero. As a result, unlike the conventional method, it is not necessary to carry out the stamp for confirming the staple remaining zero staple at a predetermined position of the confirmation window portion, so that the processing steps of the staple magazine 3 can be reduced.

  FIG. 13 is a diagram illustrating a configuration example of the remaining amount presentation mechanism 302 as the second embodiment.

  According to the remaining amount presentation mechanism 302 shown in FIG. 13, a predetermined position on the side surface of the pusher 6 is colored, and the colored portion is used as an index indicating whether or not the staple 30 is loaded.

  In this example, the positions of the confirmation window portions 3f and 3g in the magazine 3 are the same as those of the remaining amount presentation mechanism 301 shown in FIG. The remaining amount presentation mechanism 302 has a colored band 6 d with a width w on the rear end side surface of the pusher 6. The colored band 6d is made red, for example. Application of red paint or red film is applied. This is for the purpose of notifying that the remaining number of staples 30 is low. The color is not limited to red, and a color that draws attention, such as orange and yellow, is preferable.

  The width w of the colored band 6d is used for confirming staples from the staple punching hole 12 to the confirmation window 3g when the length from the staple punching hole 12 of the magazine 3 to the rear edge 3n of the confirmation window 3f is L3. Is set substantially equal to the difference from the length L1 reaching the edge 3m. In short, it is sufficient if the colored band 6d is hidden when the staple 30 becomes zero.

  When the width w of the colored band 6d of the pusher 6 is defined in this way, when the staple 30 in the magazine 3 becomes zero, the colored band from the staple confirmation edge 3m of the confirmation window 3g to the rear end of the pusher 6 is obtained. 6d becomes hidden. That is, when the color of the colored band 6d of the pusher 6 is confirmed in the confirmation window 3g, it indicates that the remaining number of staples 30 has decreased, and the color of the colored band 6d of the pusher 6 is reduced in the confirmation window 3g. When it is not confirmed, the staple 30 is not loaded in the magazine 3. Therefore, also in the second embodiment, when the staple = “0”, the opposite side can be seen without being blocked by the pusher 6 over the entire confirmation window 3g.

  14A to 14D are state transition diagrams showing an example of the function of the remaining amount presentation mechanism 302.

  According to the remaining amount shown in FIG. 14A, for example, a display example at the time of two full loading or 1.5 consecutive loading, as in the first embodiment, the side surface of the staple 30 connected to the confirmation window 3f. Is visible, and the side surface of the remaining staple 30 and the tip of the pusher 6 are also visible in the confirmation window 3g. The binding process is executed from this state, and the staple 30 is consumed.

  According to the display example when the remaining amount, for example, about 20, is shown in FIG. 14B, the staples 30 are sequentially consumed from the staple loading state shown in FIG. 14A, and the number of staples 30 that can be confirmed in the confirmation window 3f decreases. In the confirmation window portion 3f, almost the entire side surface of the pusher 6 begins to be visible, and the colored band 6d of the pusher 6 begins to be visible even in the confirmation window portion 3g. This state is a case where, for example, the remaining number = 15 staples 30 remain between the staple punching hole 12 and the front end edge portion 67.

  According to the display example when the remaining amount shown in FIG. 14C is, for example, about 10, the staples 30 are further consumed sequentially from the state where the remaining number of staples = 20 shown in FIG. 14B, and the confirmation window portion 3f. Then, the staple 30 cannot be seen at all, and the side surface of the pusher 6 can be seen entirely in the confirmation window portion 3f, and the entire colored band 6d of the pusher 6 can be seen in the confirmation window portion 3g, and the edge 3m and the front edge of the colored band 6d can be seen. It is in a state where the space between is slightly visible. This state is a case where, for example, the remaining number = three staples 30 remain between the staple punching hole 12 and the front end edge portion 67.

  According to the display example when the remaining amount = “0” shown in FIG. 14D, the last one staple 30 is consumed from the remaining number of staples = 3 shown in FIG. 14C, and the confirmation window 3f The staple 30 cannot be seen at all, and the colored band 6d of the pusher 6 is hidden by the side surface of the magazine 3 in the confirmation window portion 3g, and the confirmation window portion 3g is not obstructed by the pusher 6 and the opposite side faces the confirmation window portion. It becomes visible through 3g. This state is a case where there is no longer any staple 30 between the staple punching opening 12 and the front end edge portion 67.

  Thus, according to the stapler 100 according to the second embodiment, the remaining amount presentation mechanism 302 is provided, and the remaining amount (reference) of the staple 30 can be easily grasped by the colored band 6d.

  Therefore, unlike the conventional method, it is not necessary to carry out a stamp for confirming the staple remaining zero staple at a predetermined position of the confirmation window, so that the processing steps of the staple magazine 3 can be reduced.

  FIG. 15 is a diagram illustrating a configuration example of the remaining amount presentation mechanism 303 as the third embodiment.

  According to the remaining amount presentation mechanism 303 shown in FIG. 15, the confirmation window 3g ′ having a different arrangement height from the confirmation window 3f is provided, and a predetermined position on the side surface of the pusher 6 is colored by connecting a plurality of colors. Thus, the index color of the pusher 6 changes according to the remaining number of staples 30 remaining in the magazine 3.

  In this example, the position, shape, and size of the confirmation window 3f in the magazine 3 are the same as those in the first and second embodiments, but the position, shape, and size of the confirmation window 3g ′ are the first and second. This is different from the second embodiment.

  The confirmation window 3g 'has a circular shape and is disposed at a position lower than the confirmation window 3f by a height h1. This is because the display function of the confirmation window 3f and the display function of the confirmation window 3g 'are separated and independent. The diameter of the confirmation window 3g ′ is, for example, a diameter φ [mm].

  In the remaining amount presentation mechanism 303 as well, the length from the staple punching outlet 12 of the magazine 3 to the staple confirmation edge 3m ′ of the confirmation window 3g ′ is L1, and the pusher 6 is connected to the staple punching outlet 12 of the magazine 3. When the length from the leading end of the magazine 3 in a position to the rear end edge portion 68 of the pusher 6 is L2, the length L1 is set so that these lengths L1 and L2 are substantially equal. Is done.

  The remaining amount presentation mechanism 303 has colored patches B, Y, and R of widths w1, w2, and w3 at the lower part of the rear end side surface of the pusher 6. The colored patch B having the width w1 is, for example, blue. The colored patch Y having the width w2 is, for example, yellow (orange). The colored patch R having the width w3 is made red, for example. The widths w2 and w3 of the colored patches Y and R are set to, for example, three to four connecting lengths of the staple 30. In addition, the diameter φ of the confirmation window 3g ′ and the widths w2 and w3 of the colored patches Y and R are set to be approximately equal.

  The width w1 of the colored patch B is set to at least 3 to 4 connecting lengths of the staple 30. Of course, the width w1 of the colored patch B may be increased to reach the front end edge portion 67 of the pusher 6 as shown by a two-dot chain line in the drawing (see the colored patch B '). This is because when there are enough staples 30, the display period of the colored patch B is lengthened, and when the remaining number of the staples 30 is reduced, it is possible to shift to the remaining amount notice with the colored patches Y and R.

  16A to 16D are state transition diagrams showing an example of the function of the remaining amount presentation mechanism 303.

  According to the display example of the remaining amount shown in FIG. 16A, for example, when two full loads or 1.5 continuous loads are made, the side surface of the staple 30 connected to the confirmation window 3f is the same as in the first embodiment. Is visible, and the side surface of the remaining staple 30 and the tip of the pusher 6 are also visible in the confirmation window 3g ′. The binding process is executed from this state, and the staple 30 is consumed.

  According to the display example when the remaining amount shown in FIG. 16B is, for example, about ten, the staples 30 are sequentially consumed from the staple loading state shown in FIG. 16A, and the staples 30 that can be confirmed by the confirmation window 3f are reduced. In the confirmation window 3f, almost the entire side surface of the pusher 6 starts to be seen, and the colored patch B of the pusher 6 can be seen also in the confirmation window 3g ′. This state is a case where, for example, the remaining number = 10 staples 30 remain between the staple punching hole 12 and the front end edge portion 67.

  According to the display example when the remaining amount shown in FIG. 16C is, for example, about three, from the state where the remaining number of staples = 10 shown in FIG. In the confirmation window 3g ′, the display changes from blue to yellow. Thereafter, the staple 30 cannot be seen at all in the confirmation window 3f, and the side surface of the pusher 6 can be seen entirely in the confirmation window 3f. In 3g ′, the red color of the colored patch R of the pusher 6 is visible. This state is a case where, for example, the remaining number = 1 to about 3 staples 30 remain between the staple punching hole 12 and the front end edge portion 67.

  According to the display example when the remaining amount = “0” shown in FIG. 16D, the last one staple 30 is consumed from the remaining number of staples = 3 shown in FIG. 16C. At the confirmation window 3g ′, the colored patch r of the pusher 6 is hidden by the side surface of the magazine 3 and the confirmation window 3g ′ is not obstructed by the pusher 6 and the opposite side is confirmed by the confirmation window 3g ′. It will be in the state seen through window part 3g '. This state is a case where there is no longer any staple 30 between the staple punching opening 12 and the front end edge portion 67.

  As described above, according to the stapler 100 according to the third embodiment, the remaining amount presentation mechanism 303 is provided, the widths w1, w2, and w3 are defined by the colored patches B, Y, and R of the pusher 6, and the magazine 3 When the staple 30 becomes zero, all the colored patches B, Y, R at the rear end of the pusher 6 are hidden from the staple confirmation edge 3m of the confirmation window 3g ′.

  In the above-described example, when the blue color of the colored patch B of the pusher 6 is confirmed in the confirmation window portion 3g ′, the remaining 30 to 30 staples 30 are indicated, and the confirmation window portion 3g ′ indicates the colored patch. When the yellow color of Y is confirmed, it indicates that the remaining number of staples 30 is 4 to 6, and when the red color of the colored patch R is confirmed in the confirmation window 3g ′, the remaining number of staples 30 is one. It is shown to be ~ 3.

  Therefore, when the color of the colored patches B, Y, R of the pusher 6 is not confirmed at all in the confirmation window 3g ', the staple 30 is not loaded in the magazine 3. Thereby, also in the third embodiment, when the staple = “0”, the opposite side can be seen without being blocked by the pusher 6 at the confirmation window 3g ′.

  In addition, unlike the conventional method, it is not necessary to carry out the stamp for confirming the staple remaining zero staple at a predetermined position of the confirmation window portion, so that the processing steps of the staple magazine 3 can be reduced.

  FIG. 17 is a diagram illustrating a configuration example of a stapler 400 with a remaining amount presentation mechanism as a fourth embodiment.

  In this example, the confirmation window portion 3f ′ is provided with a remaining amount presentation mechanism 304 that is combined into one in comparison with the first to third embodiments, and the confirmation window is displayed when the staple 30 in the magazine 3 becomes zero. Edge position for staple confirmation of the confirmation window portion 3f ′ so that a gap corresponding to the thickness of one staple 30 is formed between the staple confirmation edge of the portion 3f ′ and the rear edge portion 68 of the pusher 6. And the rear end edge position of the pusher 6 are set.

  According to the setting example of the confirmation window 3f ′ of the magazine 3 shown in FIG. 17, the length from the staple punching outlet 12 of the magazine 3 to the staple confirmation edge 3m ″ of the confirmation window 3f ′ is L1 ′. When the length from the staple punching outlet 12 of the magazine 3 to the rear edge 68 of the pusher 6 in the state where the pusher 6 is located at the staple punching outlet 12 of the magazine 3 is L2, the length L1 ′ and the length L2 Is set so that the difference ΔL corresponds to the thickness of one staple, that is, the length L1 ′ from the staple punching opening 12 to the trailing edge 3m ″ for staple confirmation in the confirmation window 3f ′ is Length L2 + difference ΔL is set.

  As described above, according to the stapler 400 as the fourth embodiment, the magazine 3 is provided when the remaining amount presentation mechanism 304 is provided and the confirmation window 3f ′ does not confirm the gap ΔL corresponding to the thickness of one staple. The case where the staple 30 is loaded is shown, and when the gap ΔL corresponding to the thickness of the staple 30 is confirmed, the case where the staple 30 is not loaded in the magazine 3 is shown.

  Accordingly, in the same manner as in the first to third embodiments, when the staple = “0”, the opposite side can be seen by the confirmation window 3 f ′ without being blocked by the pusher 6.

  In addition, unlike the conventional method, it is not necessary to carry out the stamp for confirming the staple remaining zero staple at a predetermined position of the confirmation window portion, so that the processing steps of the staple magazine 3 can be reduced.

  According to the first to fourth embodiments, it is easy to confirm that the remaining number has decreased, so that it is possible to know the timing of replenishment of the staples 30 and reduce the possibility that the machine cannot be used due to forgetting replenishment. Workability is improved and work efficiency is improved.

  18A and 18B are diagrams showing a configuration example of a handle cover as a fifth embodiment. FIG. 18A shows a top view thereof, and FIG. 18B shows a front sectional view thereof.

  In this example, a handle 8 that is operated to apply a binding force to the driver 5 of the driver arm 4 shown in FIGS. 8 and 17 and the like, and a handle cover 9 that covers the handle 8 are provided. In this position, a spare staple storage unit 17 for storing spare staples 30 is provided.

  The handle cover 9 shown in FIG. 18A includes a main body case 9a, shaft projections 9b and 9c, engaged recesses 9d and 9e, and a preliminary staple storage unit 17. As shown in FIG. 18A, the spare staple storage unit 17 is provided on the rear end side of the upper surface of the handle cover 9, has a length of l5, a width of w5, and a depth of d as shown in FIG. 18B. have. The length 15 is, for example, the length of a series of 50 staples. The depth d is substantially equal to the height at which the stapling tip sides of the series of 50 staples 30 face each other and overlap each other.

  A U-shaped slide portion 9h shown in FIG. 18B has a handle centered on the second drive shaft fulcrum (connection shaft pin 22) when the stapler 100 is in the standby state from the half-open state and from the half-open state to the full-open state. When the cover 9 is rotated, the end portion of the first drive shaft fulcrum portion (main pin 21) is a portion that escapes along a U-shaped locus.

  In this example, a part attachment area II is set inside the handle cover 9, the handle 8 is attached to the handle cover 9 at the upper part of the attachment area II, and the driver arm 4 and the magazine 3 at the lower part of the attachment area II. Are mounted on the clincher arm 1 with the main pin 21 in common. In this way, when the staples 30 in the magazine 3 are confirmed to be zero, the spare staples 30 from the spare staple storage unit 17 can be taken out and loaded into the magazine 3. Therefore, the closing process work can be executed efficiently.

  FIG. 19 is a view for explaining an operation example of the lid portion 18 in the handle cover 9.

  The lid portion 18 shown in FIG. 19 has a lid portion main body 18a having a rounded beak shape (cap shape). The protrusions 9b and 9c shown in FIG. 18A serve as the rotation axis “O” of the lid 18 shown in FIG. The concave portions 9d and 9e are engaged portions of the lid portion 18 shown in FIG. The lid lock mechanism 70 is configured by this engagement.

  The lid body 18a is provided with recesses (not shown) that are rotatably engaged with the projections 9b and 9c shown in FIG. 18A. The projections 9b and 9c are fitted into the recesses and rotated. The lid 18 is opened and closed with the moving axis “O” as a reference.

  In this example, when the opening angle is θ4, the opening angle θ4 is about 0 ° to 100 °. Of course, the opening angle θ4 is not limited. The opening angle θ4 only needs to be able to be opened to the extent that there is no hindrance to taking in and out the spare staple 30. As the lid portion 18, one having an exterior design in which a synthetic resin is injection-molded with a mold is used.

  FIG. 20 is a cross-sectional view seen from the front showing a configuration example when the lid 18 is locked.

  According to the lid lock mechanism shown in FIG. 20, the engagement concave portions 9d and 9e are provided on both sides of the front end of the preliminary staple storage portion 17, and the engagement hook portions 18b and 18c aligned therewith are provided. Provided on the lid 18. The hook portions 18b and 18c are erected at predetermined positions of the lid portion 18. When the lid portion 18 is locked, the hook portion 18b is fitted into the recess 9d, and the hook portion 18c is fitted into the recess 9e. The If the lid lock mechanism 70 is configured in this way, the lid closed state can be maintained during the staple binding operation.

  In addition, push marks (not shown) for unlocking are provided at both outer ends of the lid portion 18 and are operated when releasing the hook portions 18b and 18c provided inside the lid portion 18. For example, when the push mark is gripped from both sides and pressed inward, the hook portion 18b is detached from the recess 9d, and the hook portion 18c is detached from the recess 9e. Thereby, the cover part 18 can be opened.

  As described above, according to the stapler 100 as the fifth embodiment, the spare staple storage unit 17 is provided at the upper rear end of the handle cover 9 so that the spare staple 30 is stored.

  Therefore, since the spare staple storage unit 17 can be easily applied to the stapler structures of the first to fourth embodiments, when it is confirmed by the remaining amount presentation mechanisms 301 to 304 that the remaining number of staples has decreased. The staples 30 can be immediately replenished from the spare staple storage unit 17, so that the stapler cannot be used without staples, workability is improved, and work efficiency is improved.

  21A to 21D are diagrams showing a configuration example of the remaining amount presentation mechanism 306 as the sixth embodiment.

  According to the remaining amount presentation mechanism 306 shown in FIG. 21A, a magazine 3 ′ in which two series of 50 staples 30 can be loaded is provided, and the magazine 3 ′ is provided with two confirmation window portions 3f ″ and 3g ″. . The confirmation window 3f ″ has a front end edge 31 and a rear end edge 32 for staple confirmation. The confirmation window 3g ″ has a front end edge 33 and a rear end edge 34 for staple confirmation.

  In the remaining amount presentation mechanism 306, as shown in FIG. 21B, the length from the staple punching outlet 12 of the magazine 3 ′ to the trailing edge 32 for staple confirmation of the confirmation window 3f ″ is L1 ′, and is shown in FIG. 21A. When the length from the front end of the magazine 3 'in a state where the pusher 6' is located at the staple punching opening 12 of the magazine 3 'to the rear end edge portion 68 of the pusher 6' is L2 ', these lengths L1 “−L2” (difference) is the width w6 of the confirmation window 3f ”. The width of the confirmation window 3g ″ is also set to w6. The length L1 ′ is set equal to the length of the series (50) of staples 30.

  The length from the staple punching outlet 12 of the magazine 3 ′ to the trailing edge 34 for staple confirmation of the confirmation window 3g ″ is L3. 2) is set equal to the length of 2) The separation distance between the staple confirmation trailing edge 32 of the confirmation window 3f ″ and the staple confirmation leading edge 33 of the confirmation window 3g ″ is the length L2. The length is almost the same as 'Pusher 6'.

  Such a magazine 3 ′ is provided with two confirmation windows 3f ″, 3g ″, and two (50 × 2) staples 30 as shown in FIG. 21D are loaded in the magazine 3 ′. When the staple 30 is consumed, the pusher 6 'can be confirmed from the confirmation window 3g "until the remaining staple 30 is 51 to 100 (double). Thus, the confirmation window 3g. "Is arranged.

  Then, as shown in FIG. 21C, when a series of (50) staples 30 has been consumed, both the front edge 33 of the confirmation window 3g ″ and the rear edge 32 of the confirmation window 3f ″ Pusher 6 'disappears. The state is hidden between the confirmation window 3f ″ and the confirmation window 3g ″. Thus, the confirmation window 3f ″ and the confirmation window 3g ″ are arranged. The pusher 6 ′ can be confirmed from the confirmation window 3 f ″ for the remaining 1 to 50 (a series).

  As described above, according to the remaining amount presentation mechanism 306 as the sixth embodiment, as shown in FIG. 21B, the confirmation windows 3f ″ and 3g ″ are arranged in the magazine 3 ′. It becomes possible to grasp the consumption of Further, when the remaining number of staples 30 is less than the series (49 or less), the pusher 6 'becomes visible from the rear edge 32 of the confirmation window 3f ".

  In this example as well, unlike the conventional method, it is not necessary to carry out the stamp for confirming the staple remaining zero staple at a predetermined position of the confirmation window portion, so that the processing step of the staple magazine 3 'can be reduced.

  The present invention is extremely suitable when applied to a stapler with a remaining amount presenting mechanism for binding a desired sheet bundle with staples.

It is sectional drawing which shows the structural example of the stapler 100 as embodiment which concerns on this invention. It is a perspective view which shows the structural example of the pusher. It is a perspective view which shows the structural example of the residual amount presentation mechanism 301 as a 1st Example. (A) And (B) is a front view which shows the example of a setting of the confirmation window part 3g in the residual amount presentation mechanism 301. FIG. (A)-(D) are the state transition diagrams which show the function example of the residual amount presentation mechanism 301. FIG. FIG. 6 is a perspective view showing an assembly example (part 1) of the stapler 100; It is a perspective view which shows the assembly example (the 2) of the stapler 100. FIG. It is a front view which shows the example of an external appearance of the stapler 100 with a remaining amount presentation mechanism. FIG. 6 is a cross-sectional view illustrating an operation example (part 1) of the stapler 100; 6 is a cross-sectional view illustrating an operation example (part 2) of the stapler 100. FIG. FIG. 6 is a cross-sectional view illustrating an operation example (part 3) of the stapler 100; FIG. 10 is a cross-sectional view illustrating an operation example (No. 4) of the stapler 100; It is a figure which shows the structural example of the residual amount presentation mechanism 302 as a 2nd Example. (A)-(D) are the state transition diagrams which show the function example of the residual amount presentation mechanism 302. FIG. It is a figure which shows the structural example of the residual amount presentation mechanism 303 as a 3rd Example. (A)-(D) are the state transition diagrams which show the function example of the residual amount presentation mechanism 303. FIG. It is a figure which shows the structural example of the stapler 400 with the residual amount presentation mechanism as a 4th Example. (A) And (B) is a figure which shows the structural example of the handle cover 9 as a 5th Example. FIG. 10 is a diagram for explaining an operation example of the lid portion 18 in the handle cover 9. It is sectional drawing seen from the front which shows the example of a lock | rock of the cover part. (A)-(D) are figures which show the structural example of the residual amount presentation mechanism 306 as a 6th Example.

Explanation of symbols

1 Clincher arm (binding arm)
2 Clincher cover (binding cover)
3 Magazine (loading section)
4 Driver arm (drive arm)
5 Driver (Driver)
6 Pusher (Pressing part)
6a Spring guide 7 Staple cover (loading cover)
8 Handle (operation part)
9 Handle cover (operation cover)
10, 11 Coil spring 12 Staple punching outlet 13 Lock pin 14 Lock cap 15 Back cover (covering member)
70 Lid lock mechanism 100,400 Stapler 301-304,306 Remaining amount presentation mechanism

Claims (3)

A stapler for binding staples based on a predetermined spelling force,
A loading unit that has an opening for driving staples at a tip and a window with an edge for checking the staples on a side surface, and the staple is loaded thereon;
A pressing portion that has a rear edge on a side surface and presses the staple loaded in the loading portion toward the opening;
A driving arm portion having a driving portion at one end, and a driving fulcrum portion at the other end, and a driving arm portion to which a spelling force is applied to an upper portion of the top of the staple pressed by the pressing portion;
When the staple in the loading unit becomes zero, the edge position for confirmation of the window portion and the position of the rear end edge of the pressure portion so that the rear edge of the pressure portion is hidden from the edge for confirmation of the window portion A stapler characterized by the fact that and are set. The length from the opening of the loading part to the edge for confirmation of the window is L1,
When the length from the front end of the loading unit in a state where the pressing unit is located at the opening of the loading unit to the rear edge of the pressing unit is L2,
The stapler according to claim 1, wherein the length L1 is set so that the length L1 and the length L2 are substantially equal. An operation unit operated to apply a binding force to the drive unit of the drive arm unit;
An operation covering portion covering the operation portion;
The stapler according to claim 1, further comprising a spare staple storage unit that stores a spare staple at a predetermined position of the operation covering unit.

Images