JP2008018512A - Stapler - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stapler preventing the central part of a U-shaped staple from closely contacting with the surface of an object to be stapled or biting into it. <P>SOLUTION: A base 11, and a handle 19 with a frame 13 storing the staple, a pressing plate 15 pressing the staple in the frame, and a pressing edge 17 punching out the staple are rotatably journalled in one end 21, and an anvil 25 clinching the staple is provided in the base. A spacer 41 is attached in a position adjustable manner in the longitudinal direction in a face 15a facing the handle in the pressing plate. The front part of the spacer is provided with a protrusion 47 corresponding to the tip 45 of the pressing plate, which is loosely fitted in the central hole 43 formed in the pressing edge of the handle. When the spacer is moved forward, the protrusion of the spacer is configured to be positioned on the tip of the pressing plate in the central hole of the pressing edge, and when the spacer is moved backward, the protrusion of the spacer is configured to be out of the central hole of the pressing edge. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a stapler.

  The stapler has been widely used conventionally as a simple tool for fixing documents, paper pieces or the like to each other or fixing documents, paper pieces or the like to a wall surface or the like.

  In the present application, a document, a piece of paper, or the like that is fixed by a stapler is referred to as an “attachment”.

As a stapler, for example, as shown in Japanese Patent Application Laid-Open No. 2004-142074, a base, a frame that stores a binding needle, a press plate that presses the binding needle in the frame, and a handle that includes a pressing blade that drives out the binding needle, The base is provided with an anvil for clinching the binding needle, a guide shaft is disposed in the front-rear direction, and a slider is slid on the guide shaft. It is known that the slider is movably supported and the slider is always urged forward by a spring.
JP 2004-142074 A

In the above-described conventional stapler, when the objects to be secured are fastened to each other or the objects to be secured are fastened to a wall surface or the like, as shown in FIGS. 23 and 25, both ends of the central portion 1a are bent at right angles. Then, the central portion 1a of the U-shaped binding needle 1 formed with the pair of leg portions 1b and 1b is in close contact with the surface of the adherend 3 or bites into the surface of the adherend 3. In addition, what is shown by the code | symbol 5 is the base | substrate of the plaster board in a wall, and the thing shown by the code | symbol 7 is the cloth fixed on this base | substrate 5.

Of course, it is preferable that the central portion 1a of the U-shaped binding needle 1 is in close contact with the surface of the adherend 3 or bites into the surface of the adherend 3 in the sense that the adherend 3 is securely attached. There are the following problems.

(A) When the central portion 1a of the U-shaped binding needle 1 is in close contact with the surface of the adherend 3 or bites into the surface of the adherend 3, the operation of removing the binding needle 1 is troublesome, and the binding needle 1 There is a possibility that the to-be-adhered article 3 or the wall cloth 7 may be damaged when the material is removed. In other words, the above-described conventional stapler is not suitable for temporarily fixing the adherend 3.

(B) The central portion 1a of the U-shaped binding needle 1 may bite into not only the surface of the adherend 3 but also the cross 7 on the wall. When the central portion 1a of the binding needle 1 bites into the cloth 7 on the surface or wall of the adherend 3, the mark of the binding needle 1 remains on the adherend 3 or the cloth 7.

(C) In particular, when the adherend 3 or the cloth 7 is soft, the central portion 1 a of the binding needle 1 bites into the adherend 3 or the cloth 7, and the mark of the binding needle 1 on the adherend 3 or the cloth 7. Is easily formed.

(D) When the central portion 1a of the U-shaped binding needle 1 is in close contact with the surface of the adherend 3 or bites into the surface of the adherend 3, a large hole of the binding needle 1 is formed in the adherend 3. There is a risk.

  The present invention has been made in order to solve the above-described problems in the conventional stapler.

  That is, the present invention provides a stapler in which the central portion of the U-shaped binding needle is in close contact with the surface of the adherend or does not bite into the surface of the adherend, as described above in the conventional stapler. It solves the problem.

In order to solve the above problems, the present invention provides the following stapler.

(1) A base, a frame for storing the binding needle, a presser plate for pressing the binding needle in the frame, and a handle having a pressing blade for driving the binding needle are pivotally attached at one end, The base is provided with an anvil that clinches the binding needle. A guide shaft is disposed in the frame in the front-rear direction. A slider is slidably supported on the guide shaft, and the slider is always moved forward by a spring. In the energizing stapler,
A spacer is attached to the surface of the press plate facing the handle so that the position of the spacer can be adjusted in the front-rear direction. When the spacer is moved forward, the convex portion of the spacer is positioned on the protruding end of the presser plate in the center hole of the pressing blade, and the convex portion of the spacer is moved when the spacer is moved backward. The stapler is configured to escape from the central hole of the pressing blade (claim 1).

(2) A base, a frame for storing the binding needle, a pressing plate for pressing the binding needle in the frame, and a handle having a pressing blade for driving the binding needle are pivotally attached at one end, The base is provided with an anvil that clinches the binding needle. A guide shaft is disposed in the frame in the front-rear direction. A slider is slidably supported on the guide shaft, and the slider is always moved forward by a spring. In the energizing stapler,
A stapler, wherein a spacer is attached to a surface of the frame facing the base so that the position of the spacer can be adjusted in the front-rear direction.

(3) A base, a frame for storing the binding needle, a press plate for pressing the binding needle in the frame, and a handle having a pressing blade for driving the binding needle are pivotally attached at one end, The base is provided with an anvil that clinches the binding needle. A guide shaft is disposed in the frame in the front-rear direction. A slider is slidably supported on the guide shaft, and the slider is always moved forward by a spring. In the energizing stapler,
The stapler is characterized in that an adjustment screw penetrating the handle is inserted into the handle, and the adjustment screw can be advanced and retracted in a direction of moving toward and away from the presser plate (Claim 3).

  In this application, “front” refers to the direction from one end where the base, the frame, the presser plate, and the handle are axially attached to the other end, and “rear” refers to the direction opposite to “front”. It shall be said.

[Invention of Claim 1]
When the convex part of the spacer is positioned on the protruding end of the presser plate in the center hole of the pressing blade by moving the spacer forward, when the handle is pressed in the frame direction when fixing the object The protruding end of the plate comes into contact with the upper edge of the center hole of the pressing blade through the convex portion of the spacer. Accordingly, the stroke at which the handle pressing blade strikes the binding needle is shortened by the amount of the convex portion of the spacer. See FIGS. As a result, a gap (1c) is generated between the central portion (1a) of the U-shaped binding needle and the surface of the adherend (3). In other words, the central portion (1a) of the binding needle is in a state of floating from the surface of the adherend (3). See FIG. 22 and FIG.

  Therefore, the binding needle can be easily pulled out, and there is no possibility that the adherend or the cloth on the wall will be damaged when the binding needle is pulled out. That is, the stapler can be preferably used for temporarily fixing the adherend.

  Since the center portion of the U-shaped binding needle does not bite into the surface of the adherend or the cloth on the wall, there is no possibility that the mark of the binding needle remains on the adherend or the cloth.

In particular, even when the adherend or cloth is soft, the mark of the binding needle is not formed on the adherend or cloth.

Since the center part of the binding needle does not adhere to the surface of the adherend or does not bite into the surface of the adherend, there is no possibility that a large hole of the binding needle is formed in the adherend.

On the other hand, the stapler can be used in the same manner as a conventional stapler when the convex portion of the spacer is escaped from the center hole of the pressing blade by moving the spacer backward. See FIG. 8 and FIG.

[Invention of claim 2]
When the spacer attached to the surface of the frame facing the base is moved forward, the bottom surface of the frame abuts the adherend via the spacer when the handle is pressed in the frame direction when the adherend is fastened. . Therefore, the depth at which the binding needle is driven into the adherend becomes shallow. See FIGS. As a result, a gap (1c) is generated between the central portion (1a) of the U-shaped binding needle and the surface of the adherend (3). In other words, the central portion (1a) of the binding needle is in a state of floating from the surface of the adherend (3). See FIG. 22 and FIG.

  Therefore, the invention of claim 2 exhibits the same effect as the invention of claim 1.

  Further, when the spacer is moved backward, the stapler can be used in the same manner as a conventional stapler. See FIGS.

  The invention of claim 2 further exhibits the following excellent effects.

  Since the position of the spacer can be adjusted in the front-rear direction, the spacer can be used as a ruler for determining the driving position of the binding needle on the adherend when the adherend is fastened to the wall surface or the like. See FIG.

  Further, when the adherend is fixed to the cloth on the wall surface, the spacer comes into contact with the cloth and the frame does not come into contact with the cloth, so that the cloth is hardly damaged.

[Invention of claim 3]
When the adjustment screw screwed into the handle is tightened and the tip of the adjustment screw is moved in the direction approaching the presser plate, when the handle is pressed in the frame direction when the object is fixed, the adjustment screw The handle stroke is shortened because it comes into contact with the presser plate that presses the inner binding needle. Accordingly, the stroke at which the handle pressing blade strikes the binding needle is shortened. That is, when the pressing blade of the handle strikes the binding needle, there is a gap d between the protruding end of the pressing plate and the upper edge of the central hole of the pressing blade. See FIG. 18 and FIG. As a result, a gap (1c) is generated between the central portion (1a) of the U-shaped binding needle and the surface of the adherend (3). In other words, the central portion (1a) of the binding needle is in a state of floating from the surface of the adherend (3). See FIG. 22 and FIG.

  Therefore, the invention of claim 3 exhibits the same effect as the invention of claim 1.

  On the other hand, when the adjustment screw screwed into the handle is loosened and the tip of the adjustment screw is moved away from the presser plate, the stapler can be used in the same manner as a conventional stapler. See FIG. 20 and FIG.

  First, the point that the stapler of the present invention is in common with the conventional stapler will be described.

  The stapler of the present invention is similar to the above-described conventional stapler in that the base 11, the frame 13 that houses the binding needle 1, the presser plate 15 that presses the binding needle 1 in the frame 13, and the pressing blade 17 that drives out the binding needle 1. The base 11 is provided with an anvil 25 for clinching the binding needle 1, and a guide shaft is provided in the frame 13. 27 is disposed in the front-rear direction, and a slider 29 is slidably supported on the guide shaft 27, and the slider 29 is always urged forward by a spring 31.

  The pressing blade 17 is formed at the tip of a spring body 18 fixed to the handle 19, and the other end 20 of the spring body 18 constantly biases the presser plate 15 toward the frame 13.

The slider 29 always pushes the binding needle 1 in the frame 13 forward.

  What is indicated by reference numeral 33 is a pulling lever that pulls the slider 29 backward against the force of the spring 31 when the handle 19 is rotated away from the frame 13.

  Reference numeral 35 indicates a spring having one end fixed to the base 11, and reference numeral 37 indicates a remover for removing the binding needle 1 driven into the adherend 3.

  Hereinafter, the difference between the stapler of the present invention and the conventional stapler will be described.

  First, the examples shown in FIGS. 1 to 9 will be described.

  A spacer 41 is attached to a surface 15a of the presser plate 15 facing the handle 19 so that the position of the spacer 41 can be adjusted in the front-rear direction. A protrusion 47 corresponding to the protrusion 45 of the plate 15 is provided. When the spacer 41 is moved forward, the protrusion 47 of the spacer 41 is above the protrusion 45 of the presser plate 15 in the central hole 43 of the pressing blade 17. The convex portion 47 of the spacer 41 escapes from the central hole 43 of the pressing blade 17 when the spacer 41 is moved rearward.

  In the illustrated example, the frame 13 has a substantially U-shaped cross section with the upper surface opened, and the presser plate 15 has a substantially U-shaped cross section with the lower surface opened. The presser plate 15 is inserted into the frame 13.

  As an example, the spacer 41 is formed by bending downward both side edge portions 50 and 50 of a plate-like main body portion 49 having a convex portion 47 at the front portion. The spacer 41 straddles the presser plate 15 and the frame 13.

  The central hole 43 of the pressing blade 17 has a rectangular shape.

  In the example shown in FIG. 7, the base 3 is opened by rotating about 180 degrees with respect to the frame 13, the holding plate 15 and the handle 19, and the object 3 is fixed to the cloth 7 on the base 5 on the wall. Indicates the state of

  Next, the examples shown in FIGS. 10 to 17 will be described.

  In this example, a spacer 51 is attached to a surface 13a of the frame 13 facing the base 11 so that the position thereof can be adjusted in the front-rear direction.

  As an example, the spacer 51 is formed by forming a notch 53 extending over the entire length on the upper surface of the prismatic body. The spacer 51 is fitted on the frame 13.

  In the example shown in FIGS. 14 and 17, the base 11 is rotated about 180 degrees with respect to the frame 13, the holding plate 15 and the handle 19, and is opened on the cloth 7 on the base 5 on the wall. The state which has fixed is shown.

  Further, the examples shown in FIGS. 18 to 21 will be described.

  In this case, the handle 19 is screwed with an adjusting screw 61 penetrating the handle 19 inward and outward, and the adjusting screw 61 can be advanced and retracted in the direction of contacting and separating from the presser plate 15. That is, the tip 61 a of the adjustment screw 61 faces the holding plate 15.

  In the example shown in FIG. 19, the substrate 3 is fixed to the cloth 7 on the base 5 on the wall with the base 11 opened by rotating about 180 degrees with respect to the frame 13, the holding plate 15 and the handle 19. Indicates the state of

It is a perspective view which shows an example of the stapler by this invention. It is a perspective view which shows an example of a spacer. It is a front view which shows roughly the use condition of a stapler same as the above. It is another front view same as the above. In a stapler same as the above, it is sectional drawing which shows the state which located the convex part of the spacer on the protrusion end of the pressing plate in the center hole of a pressing blade by moving a spacer ahead. It is another sectional drawing same as the above. It is another sectional drawing same as the above. In a stapler same as the above, it is sectional drawing which shows the state which made the convex part of this spacer escape from the center hole of a pressing blade by moving a spacer back. It is another sectional drawing same as the above. It is a perspective view which shows another example of the stapler by this invention. It is a perspective view which shows another example of a spacer. It is sectional drawing which shows the state which moved the spacer ahead in the stapler same as the above. It is another sectional drawing same as the above. It is another sectional drawing same as the above. It is sectional drawing which shows the state which moved the spacer back in the stapler same as the above. It is another sectional drawing same as the above. It is another sectional drawing same as the above. In yet another example of the stapler according to the present invention, the adjustment screw screwed into the handle is tightened and the tip of the adjustment screw is moved in a direction approaching the presser plate. It is another sectional drawing same as the above. FIG. 5 is a cross-sectional view showing a state where the adjustment screw screwed into the handle is loosened and the tip of the adjustment screw is moved away from the presser plate in the stapler. It is another sectional drawing same as the above. It is sectional drawing which shows the state which the clearance gap produced between the center part in the U-shaped binding needle, and the surface of a to-be-adhered thing. It is sectional drawing which shows the state which the center part in the U-shaped binding needle stuck to the surface of the to-be-adhered thing, or was biting into the surface of the to-be-attached object. It is another sectional drawing which shows the state which the clearance gap produced between the center part in the U-shaped binding needle, and the surface of a to-be-adhered thing. It is another sectional view which shows the state which the center part in a U-shaped binding needle stuck to the surface of the to-be-adhered thing, or was biting into the surface of the to-be-attached object.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Binding needle 1a Center part 1b Leg part 1c Crevice 3 To-be-attached thing 5 Base 7 Cross 11 Base 13 Frame 13a Surface 15 which faces a base Pressing plate 15a Surface which faces a handle 17 Pushing blade 18 Spring body 19 Handle 20 Other end 21 One end 23 Shaft 25 Anvil 27 Guide shaft 29 Slider 31 Spring 33 Pulling bar 35 Spring 37 Remover 41 Spacer 43 Central hole 45 Projection end 47 Protrusion 49 Plate body 50 Edge 51 Spacer 53 Notch 61 Adjustment screw 61a Tip

Claims (3)

A base, a frame for storing the binding needle, a presser plate for pressing the binding needle in the frame, and a handle having a pressing blade for driving the binding needle are pivotally attached to one end, and are attached to the base. An anvil that clinches the binding needle is provided, and a guide shaft is disposed in the frame in the front-rear direction. A slider is slidably supported on the guide shaft, and the slider is always urged forward by a spring. In the stapler
A spacer is attached to the surface of the press plate facing the handle so that the position of the spacer can be adjusted in the front-rear direction. When the spacer is moved forward, the convex portion of the spacer is positioned on the protruding end of the presser plate in the center hole of the pressing blade, and the convex portion of the spacer is moved when the spacer is moved backward. A stapler characterized in that the portion escapes from the central hole of the pressing blade. A base, a frame for storing the binding needle, a presser plate for pressing the binding needle in the frame, and a handle having a pressing blade for driving the binding needle are pivotally attached to one end, and are attached to the base. An anvil that clinches the binding needle is provided, and a guide shaft is disposed in the frame in the front-rear direction. A slider is slidably supported on the guide shaft, and the slider is always urged forward by a spring. In the stapler
A stapler, wherein a spacer is attached to a surface of the frame facing the base so that the position of the spacer can be adjusted in the front-rear direction. A base, a frame for storing the binding needle, a presser plate for pressing the binding needle in the frame, and a handle having a pressing blade for driving the binding needle are pivotally attached to one end, and are attached to the base. An anvil that clinches the binding needle is provided, and a guide shaft is disposed in the frame in the front-rear direction. A slider is slidably supported on the guide shaft, and the slider is always urged forward by a spring. In the stapler
The stapler is characterized in that an adjustment screw penetrating inward and outward is screwed into the handle, and the adjustment screw can be advanced and retracted in a direction of contacting and separating from the presser plate.

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