JP3427255B2 - Binding device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a binding tool, and more particularly to a binding tool provided with a pipe-shaped binding rod that fits with each other as a binding member.

[0002]

2. Description of the Related Art Conventionally, various files and binders are composed of a cover body and a binding tool which is fixed with the inner surface of the cover body as a fixed surface. As this binding tool, various types are known which include a side plate connected to a base and a binding member provided on the side plate and capable of binding a document.

In the above-mentioned binding device, when the binding state of the binding member held at the binding position is released, it is necessary to raise it with an appropriate elastic force, and the binding member is completely When in the open position, it is preferable that the documents can be added or removed while the open position is maintained.

By the way, in Japanese Utility Model Laid-Open No. 49-11805, a standing plate is provided at one widthwise end of a base provided with a pin to be inserted into a binding hole of a document, and the pin is provided above the standing plate. A binding device has been proposed in which an operating plate portion having a circular hole that is detachably fitted is provided, and the operating plate portion can be rotated to a binding position and an open position by rotating the operating plate portion. Here, an intermediate piece is provided between the upright plate portion and the operating plate portion, and due to the presence of the intermediate piece, the elastic restoring force of the intermediate piece causes the operating plate portion to open in the opening direction. It can be rotated toward.

Japanese Utility Model Publication No. 8-1906 discloses a structure in which a rotating side plate is connected to a base and a braking intermediate member is arranged between the side plate and the base. In the publication, the rotating side plate is designed to stabilize its posture when it is rotated to the lying position due to the presence of the braking intermediate member.

[0006]

However, the binding device disclosed in Japanese Utility Model Laid-Open No. 49-11805 has a structure in which the intermediate piece itself receives a forcible bending force when the operating plate portion is set to the binding position. Therefore, excessive internal stress is generated in the intermediate piece. Therefore, when the circular hole of the operating plate is removed from the pin, the operating plate tends to rotate vigorously in the opening direction, and the momentary force causes a part of the bound document to drop from the binding position. There is an inconvenience that it will end up. Further, unless the pin and the circular hole are in a strong fitted state, the binding posture of the operating plate portion cannot be secured stably, while when trying to achieve a strong fitted state, the pin and the circular hole are fitted together. In this case, a large pushing force is required, which is inconvenient.

Further, in the binding device disclosed in Japanese Utility Model Publication No. 8-1906, when the binding state of the binding rod is released, the free end side of the binding rod supported by the rotating side plate floats up. Therefore, there is a problem that the initial operability for moving the binding rod to the open position is very poor. In particular, the inconvenience caused when the document is bound in the binding rod becomes apparent.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of such inconvenience, and an object thereof is to allow a slight rotation from the binding position when the binding state of the binding member is released. Further, there is provided a binding tool capable of stably holding the posture of the binding member while forming a space where the binding can be easily performed when the binding member is completely rotated to the open position. It is in.

[0009]

In order to achieve the above object, the present invention provides a base that can be fixed to a predetermined cover body, a side plate connected to the base, and a space between the side plate and the base. In a binding tool including a binding member located and a cut portion that allows rotation of the side plate and allows the binding member to rotate to a binding position and an open position, a cutout portion is provided in a region extending over the side plate and the base. Along with this, a biasing plate continuously provided through thin-walled portions is provided at the upper and lower forming ends of the notch, and the biasing plate is substantially flush with the side plate when the binding member is in the binding position. An inner surface and a second surface inclined from the lower portion of the first surface toward the base, wherein the biasing plate has a bent shape of the first and second surfaces. Change relative to the base and side plates without changing Capable provided, said the binding member is slightly moved in the opening direction when releasing the predetermined engagement for restricting the filing position of the binding member Ukiaga
The elastic force that causes the binding member and the tensioning force that holds the side plate in the lying posture when the binding member is rotated toward the open position by a predetermined angle are employed . With such a configuration, since the biasing plate is not forcibly deformed, even if the binding member is disengaged, the binding member does not rotate vigorously while the binding member is manually operated. It is possible to secure a floating state that is sufficient to move with. Moreover, when the binding member is in the completely opened position, the side plate is kept in a stable posture, so that there is a possibility that the side plate may flutter and the binding member may be inadvertently moved when adding or removing documents. Can be prevented.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The side plate in the present invention is preferably provided so as to be able to fall down with its substantially horizontal posture being the maximum open position. According to this structure, the binding member can be in an open state in which it is largely separated from the binding position, and a working space for binding can be sufficiently obtained.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a binding device according to the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic perspective view of a binding device according to this embodiment, and FIGS. 2 and 3 are exploded perspective views thereof. In these figures, the binding device 10 is a spine cover 12 of a cover body 11 forming files and binders.
It is fixed to the inner surface via appropriate fixing means. The binding tool 10 is molded by using a resin material such as polypropylene as a molding material, and has a base 15 fixed to the spine cover 12 and having a substantially rectangular shape in plan view, and one end side of the base 15 in the short width direction (see FIG. 1, a side plate 16 continuously provided on the right end side)
A biasing plate 17 provided between the base and the side plate 16,
A binding pipe 18 continuously provided at two positions on the inner surface side of the side plate 16, an operation plate 20 provided with a binding shaft 19 that can be inserted into the binding pipe 18, and the other end side of the base 15 in the short width direction. (The left end side in FIG. 1) and the engaging piece 22 that engages and holds the operation plate 20 at the binding position. Here, the binding member 2 is formed by the operation plate 20 provided with the binding pipe 18 and the binding shaft 19.
1 is configured.

A notch 23 is formed in the central region extending over the base 15 and the side plate 16, and the notch 23 is formed.
The urging plate 17 is arranged in the area of. The urging plate 17 has a first surface 17 located substantially in the same plane as the surface of the side plate 16 when the binding member 21 is in the binding position.
A and a second surface 17B that is connected to a lower portion of the first surface 17A and extends in a direction inclined toward the cutout forming end 25 of the base 15. The upper end of the first surface 17A is connected to the cutout forming end 27 of the side plate 16 via the thin portion 26, while the second surface 17B is formed.
The lower end of the urging plate 17 is connected to the cutout forming end 25 through the thin portion 28, and when the side plate 16 is rotated, the urging plate 17 bends the first and second surfaces 17A and 17B. It is provided so as to be capable of relative displacement with respect to the base 15 and the side plate 16 with the positions of the thin portions 26 and 28 as fulcrums without changing the shape. Further, on the upper surface of the base 15, projecting pieces 29 (see FIGS. 4 and 5) are provided at two positions near the engaging piece 22, and the operating plate 20 is set to the binding position of the projecting pieces 29. At this time, the lower portion of the operation plate 20 is sandwiched together with the engaging piece 22.

A cut portion 30 extending along the longitudinal direction of the side plate 16 is formed on the inner surface of the side plate 16 on the base portion side, whereby the side plate 16 rotates rightward in FIG. 1 with the position of the cut portion 30 as a fulcrum. It is possible, and it is possible to lay down to a substantially horizontal posture described later. The cut portion 30
Is formed between the thin-walled portions 26 and 28, which serve as a fulcrum of rotation of the biasing plate 17, and the bent apex of the mutual connection portion of the first and second surfaces 17A and 17B. 17C (see FIG. 11).

As shown in FIG. 6, the operation plate 20 is provided with a raised portion 33 around the base portion of the binding shaft 19 so as to be partially thick and the inner end of the raised portion 33. It is provided in a shape having an annular recessed groove 34 over the region of the binding shaft 19 and the base end of the binding shaft 19. Therefore, when the binding shaft 19 is inserted into the binding pipe 18, the tip of the binding pipe 18 is received in the concave groove 34, and a certain binding strength can be obtained even when a resin material is used as the molding material. It has become.

Further, as shown in FIGS. 7 to 10, the operation plate 20 is provided with a recessed portion 36 whose upper end position of the central portion is slightly lower than the left and right upper end positions, and this recessed portion is provided. Both side regions of 36 are formed as thick portions 37 having a symmetrical shape. The lower end of each thick portion 37 forms an engagement step portion 38 that gently curves from the left and right end positions of the recessed portion 36 toward the lower end of the operation plate 20 in the longitudinal direction. In addition, a concave portion 39 which is provided on the upper surface of the base 15 and can receive the projecting piece 29 is formed at the lower end portion on the inner surface side of the operation plate 20.

The engaging piece 22 is, as shown in FIGS. 1 to 3, a first engaging piece 22A located in the central region.
And slits 40 on the left and right sides of the first engaging piece 22A.
It is constituted by a pair of left and right second engaging pieces 22B which are located via the. The upper end of the first engagement piece 22A is a hook portion 42 that is hook-shaped toward the side plate 16 side,
Since the hook portion 42 is located on the concave portion 36 of the operation plate 20, the binding member 21 is held at the binding position. Further, the upper edge of the second engagement piece 22B is provided in a gently curved shape corresponding to the engagement step portion 38 of the operation plate 20.

Next, the operation of the binding tool 10 according to this embodiment will be described with reference to FIGS. 11 and 12.
In addition, in order to avoid complication of the drawings, FIG. 11 and FIG.
Although a state in which the binding shaft 19 is removed from the binding pipe 18 is shown, in actuality, the binding shaft 19 is inserted into the binding pipe 18 and the operation plate 20 is positioned on the free end side of the binding pipe 18. .

As shown in FIG. 11, when the side plate 16 is in the upright posture and the binding member 21 is in the binding position, the urging plate 17 has the first surface 17A in substantially the same plane as the side plate 16. Positioned, the second surface 17B is in an inclined state.
At this time, the urging plate 17 is adapted to give a slight amount of elasticity that the free end side of the binding pipe 18 tries to float upward. Therefore, in FIG. 11, when the upper end side of the first engagement piece 22A is displaced in the direction of arrow A with the fingertip, the engagement piece 22A
The operation plate 20 engaged with the hook portion 42 of A is released from the engaged state and slightly lifted. Then, the floating portion may be pinched with a fingertip to move the binding pipe 18 in the direction of the arrow B, and rotate the side plate 16 in the direction of falling.

In the initial stage of rotating the binding pipe 18 in this manner, the biasing plate 17 exerts a reaction force for returning the binding pipe 18 to the binding position, so that the rotation of the binding pipe 18 is constant. It will be accompanied by rotation resistance.

As shown in FIG. 12, the binding pipe 18
However, for example, when it reaches the position indicated by the chain double-dashed line, and beyond this position, the second surface 17B of the urging plate 17 momentarily collapses, and the binding pipe 18 is rotated to the solid line position. Then, at the final open position in which the side plate 16 is in a substantially horizontal posture, the urging plate 17 generates a tension force so as to maintain the posture of the side plate 16.

With the side plate 16 kept in such a final open position, the binding shaft 19 can be pulled out from the binding pipe 18 to perform addition / sorting of documents (not shown). Then, after the addition / removal is performed, the binding pipe 18 may be rotated to the position shown in FIG. 11 and the operation plate 22 may be engaged with the engagement piece 20 again.

In the above embodiment, the pipe-type binding device 10 that is fitted in the axial direction has been described, but the present invention is not limited to this. For example, the side plate 16 has a semi-arcuate binding rod. It is also applicable to a binding tool in which the tip of the binding rod is directly engaged with and disengaged from the base 15 side. Further, in the above-described embodiment, the case in which one urging plate 17 is used is shown and described, but the urging plate 17 can be distributed and arranged in a plurality of places.

[0024]

As described above, according to the present invention,
Since the urging plate is provided in the region extending over the base and the side plate and the elastic force is configured to exert a predetermined elasticity at the binding position and the open position, the binding member is rotated vigorously even when the binding member is disengaged. In addition, it is possible to provide a binding tool that is lifted enough to move the binding member by hand and has excellent operability. Further, when the binding member is in the completely opened position, the fall posture of the side plate is stably maintained, so that there is a possibility that the side plate may flap and the binding member may be inadvertently moved when adding or removing documents. Can be prevented. Further, it becomes possible to obtain an open state in which the binding member is largely separated from the binding position, and it is possible to obtain an unprecedented excellent effect that a working space for binding can be sufficiently secured.

[Brief description of drawings]

FIG. 1 is an external perspective view of a binding device according to an embodiment.

FIG. 2 is an exploded perspective view of the binding device in an open posture.

FIG. 3 is an exploded perspective view of the binding device in a binding posture.

FIG. 4 is a top view of the base side with the side plate lying down.

FIG. 5 is a front view of the base side with the side plate lying down.

FIG. 6 is an enlarged sectional view taken along the line AA of FIG.

FIG. 7 is a front view of the operation member side.

FIG. 8 is a top view of FIG.

9 is a rear view of FIG. 7. FIG.

FIG. 10 is a top view of FIG.

FIG. 11 is a cross-sectional view showing a state in which the binding pipe and the side plate are in the binding position.

FIG. 12 is a cross-sectional view showing a state in which the binding pipe and the side plate are in a final open position.

[Explanation of symbols]

10 binding tools 11 cover body 15 base 16 side plate 17 Biasing plate 17A First side 17B Second side 21 binding members 23 Notch 25 Notch forming edge 26 Thin part 27 Notched end 28 Thin part 30 notch

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Claims (2)

(57) [Claims] 1. A base that can be fixed to a predetermined cover, a side plate that is connected to the base, a binding member that is located between the side plate and the base, and a side plate that allows rotation of the side plate. In a binding device having a notch portion that allows a binding member to rotate to a binding position and an open position, a notch portion is provided in a region extending over the side plate and the base, and thin-walled portions are formed at upper and lower two forming ends of the notch portion. A urging plate continuously provided through the urging plate, the urging plate including a first surface located substantially in the same plane as the side plate when the binding member is in the binding position, and the first surface. A second surface inclined toward the base from the lower part of the urging plate, and the urging plate can be relatively displaced with respect to the base and the side plate without changing the bending shape of the first and second surfaces. And the binding position of the binding member is regulated. Elastic force to slightly move the binding member in the opening direction so that the binding member is lifted when the predetermined engagement state is released, and the side plate is laid down when the binding member is rotated by a predetermined angle toward the open position. A binding tool characterized by generating a tensioning force to be held on. 2. The binding device according to claim 1, wherein the side plate is provided so as to be able to fall down with a substantially horizontal posture being a maximum open position.