JPH081905Y2 - Spelling - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a binding device for binding documents and the like.

(Prior Art) Conventionally, as this kind of binding device, for example, Japanese Utility Model Publication No. 57-20379
As shown in the publication, it has a holding member of a predetermined length having a pair of binding body insertion holes in the intermediate portion, a central hinge portion and a pair of outer hinge portions, and is slidably guided by the holding member. A locking rod that can be extended and bent via the hinges, and a binding body that is inserted into the insertion hole and that is locked by the locking rod when the locking rod is extended. Are known.

(Problems to be solved by the invention) However, in the above-described conventional binding device, the document to be bound is held by the holding member, and the binding is stopped so that the binding side of the document is integrally polymerized. ,
When browsing a document that has been bound by the binding device in the state where it is bound, it is very difficult to browse, and especially on the binding side by the pressing member, the binding side part of the document to be browsed is There was a problem in that the documents that were bound together were hidden and could not be seen completely even at the binding side.

Then, conventionally, in such a case, the binding of the binding device is released, and the document positioned above the document to be viewed is displaced with respect to the binding body. There was the trouble that the document and the pressing member had to be re-stitched after the end of the binding, and after the completion of viewing.

The object of the present invention is to release the lock of the binding body by the pressing member so that the document can be freely moved to the front end side with respect to the binding body, so that the document can be easily viewed and the binding side of the document is also provided. While the part can be completely viewed, the binding member can be easily locked by the pressing member after browsing without removing the pressing member from the binding body, and moreover, when the pressing member is removed from the binding body. An object of the present invention is to provide a binding device that can be easily and easily and quickly performed by using an operation of a pressing member.

(Means for Solving the Problems) In the present invention, a pair of binding body insertion holes (11) (11) are provided in an intermediate portion.
Holding member (1) having a predetermined length, a central hinge part (21) bent by elastic deformation, and a pair of outer hinge parts (22)
(22), which is slidably held by the pressing member (1) and can be extended and bent through the hinge portions (21), (22) and (22), and at the time of bending, the central hinge. A locking rod (2) whose longitudinal end is urged toward the insertion holes (11) (11) by the bending reaction force of the portion (21), and the insertion hole (11).
And a binding body (3) which is inserted into the (11) and which is engaged with the locking rod (2) when the locking rod (2) is extended, the binding body (3)
A locking projection (33) is provided on the tip side of the locking rod (1) and the locking rod (2), and the locking rod (2)
At the time of bending, the engaging portion (which engages with the locking projection (33) by the urging force urged toward the insertion holes (11) (11) by the reaction force of the central hinge portion (21) ( 28) is provided, the movement of the pressing member (1) in the pull-out direction with respect to the binding body (3) is stopped by the engagement of the engagement portion (28) with the engagement protrusion (33), and the engagement rod (28) is provided. The operation of (2) in the bending direction releases the engagement of the engaging portion (28) with the locking projection (33) and allows the pressing member (1) to be pulled out. It is what

(Operation) With the above configuration, when the locking rod (2) is bent, that is, when the binding body (3) is disengaged from the locking rod (2), the central hinge portion (21) is bent. By utilizing the bending reaction force caused by the force, that is, the force for the locking rod (2) to return from the bent state to the extended state, the bending force of the locking rod (2) at the time of bending is used. Engaging portion provided on one of the pressing member (1) and the locking rod (2) by urging the end portion in the length direction toward the insertion holes (11) (11) of the pressing member (1). (2
8) is adapted to be engaged with the locking projection (33) provided at the tip of the binding body (3), so that the locking rod (2) is bent so that the binding body of the binding body (3) is engaged. The pressing member (1) can be locked at the leading end side of the binding body (3) only by releasing the attachment, and the pressing member (1) can be prevented from being detached from the binding body (3). .

When the pressing member (1) is removed from the binding body (3), the locking rod (2) provided on the pressing member (1) is operated in the bending direction, that is, the central hinge portion (21) is provided with the central portion. By giving a force against the bending reaction force caused by bending of the hinge part (21), the end portion in the length direction of the locking rod (2) is inserted into the insertion hole (11) of the pressing member (1). Since the biasing force toward (11) can be canceled, the locking projection (33) and the engaging portion (2
The engagement with 8) can be easily released.

(Embodiment) In FIGS. 1 to 6, (1) is made of a synthetic resin having a predetermined length with a pair of binding body insertion holes (11) and (11) at a predetermined interval in an intermediate portion. The pressing member (1) is a narrow plate-like member, and has guide portions (12) (12) having guide grooves (12a) (12a) on both sides in the width direction as shown in FIG. Each is provided upright in the longitudinal direction.

Near the middle of the length of the pressing member (1), there are provided stopper protrusions (13) (13) for restricting the stopper rod (2) to be described later from moving in the bending direction and retaining it. Anti-slip projections (14) (14) with which a binding body described later is engaged are formed at the outer positions of the insertion holes (11) (11), respectively.

Further, the guide grooves (12a) (12a) end at the inner ends of both ends of the pressing member (1) in the length direction, and the outer end portions of the guide grooves (12a) (12) at the time of extension of the locking rod (2) described later. It also serves as a stopper for preventing the locking rod (2) from coming out of the holding member.

(2) has a central hinge part (21) bent by elastic deformation and a pair of outer hinge parts (22) (22), and slides in the guide grooves (12) (12) of the pressing member (1). A locking rod made of synthetic resin that is movably guided and that can be extended and bent through the hinge portions (21) (22) (22).

That is, a central hinge portion (12) is formed at a position displaced to the lower surface side facing the pressing member (1) at the central portion of the locking rod (2), and the hinge portion (21) allows
A pair of knobs (2) protruding above the pressing member (1).
3) The connecting portions (24) and (24) having (23) are continuously provided, while the sliding portion (2) is provided at the tip of each connecting portion (24) (24).
5) and (25) are connected to each other via outer hinge portions (22) and (22). That is, between the connecting portions (24) (24) and the sliding portions (25) (25), two outer hinge portions (22) (22) that are thin at the positions displaced toward the upper surface side are provided.
The outer hinge portions (22) (22) are provided.
The central hinge portion (21) and the locking rod (2) are formed to be extendable and bendable, and at the time of bending, a bending reaction force caused by the bending of the central hinge portion (21). To use.

As shown in FIG. 9, the sliding parts (25) and (25) have projecting pieces (26) and (26) extending in the longitudinal direction on both sides and have a substantially U-shaped cross section with an open bottom. The sliding part (2
5) The protruding pieces (26) (26) are the guide grooves (12a).
These guide grooves (12a) (12a) rush into (12a)
It is designed to be guided along.

Further, when the locking rod (2) is extended, the central hinge portion (2
When the knobs (23) and (23) elastically engage the outer surface of the pressing member (1) beyond the dead center with respect to the outer hinge portions (22) and (22) of (1), the extended position is maintained. It is like this.

Further, the outer hinge portion (2) of the sliding portion (25) (25) is
2) Provided near the (22) are locking pieces (27) (27) that engage with the retaining projections (13) (13), and the sliding portion (25).
The movement of (25) in the bending direction is restricted.

(3) is inserted into the through holes (11) (11) of the pressing member (1), and the sliding portion (25) is extended when the locking rod (2) is extended.
A binding body (3) made of a synthetic resin, which is bent by the sliding of (1) and is fixed in the recess of the sliding portion (25). The binding body (3) is shown in FIGS. As shown in the figure, the support members (31) having a wide shape are continuously provided on both sides. Further, the support member (31) is integrated with a mounting portion (35) which is mounted by a mounting means such as eyelets on a file cover (4) including a front cover, a back cover and a back cover via a hinge (34). It is provided.

Therefore, in the embodiment shown in FIGS. 1 to 6, in the binding device configured as described above, each of the binding bodies (3)
A locking projection (33) is provided on the tip side of (3), and at the tips of the sliding portions (25) (25) of the locking rod (2),
When the locking rod (2) is bent to move the pressing member (1) to the tip side of the binding bodies (3) and (3), the locking projection (33) is engaged. The pressing member (1) is locked to the binding bodies (3) and (3), and the engagement with the locking projection (33) can be released by operating the locking rod (2) in the bending direction. The engagement part (28) is provided.

Specifically, as shown in FIGS. 3 and 8, the width (a) of the binding body (3) is made relatively small with respect to the width (A) of the insertion hole (11), and A triangular locking protrusion (33) protruding outward in the width direction is provided at the tip of the body (3),
The maximum width (b) of the locking projection (33) is defined by the insertion hole (11).
The width of the sliding portion (25) is set to be slightly smaller than the width (A) of the sliding portion (25), and the sliding portion (25) extends outward from both end portions of the sliding portion (25), and the distance is set to the above. Binding (3)
The width of the locking protrusion (3
A pair of opposed engaging pieces (28a) (28a) having an interval (c) smaller than the width (b) of 3) are provided in an opposed manner so that the engaging portion (28)
Is formed.

When the locking rod (2) is bent to the maximum extent in the bending direction, the engaging pieces (28a) (28a) are inserted into the insertion hole (as shown in phantom line in FIG. 2 and FIG. 4). 11) is located inward of the engaging pieces (28a) (28a) and the locking projections (33).
The retaining projections (13) (13) so that they can be disengaged from
When the locking rod (2) is operated in the bending direction and then the operation is released, the hinge portions (21) (22) (22) of the locking rod (2) are set. The sliding portions (25) and (25) elastically contact the binding bodies (3) and (3) by the reaction force generated by them and press them outward, and as shown by the solid lines in FIG. 1 and FIG. The engagement protrusion (33) and the engagement protrusion (33) are reliably engaged with each other, and the engagement member cannot pull out the holding member (1) from the binding bodies (3) and (3).

Further, in the embodiment shown in the drawings, the support member (31) has the support member (31) as shown in FIGS. 7 and 8.
A hooking piece (36) is formed at the end opposite to the hinge (34), and the attachment portion (35) connected to the support member (31) via the hinge (34) has Hinge (34)
An engaging step portion (37) is formed at an end portion on the side opposite to the fixing position to lock the supporting member (31) and the mounting portion (35) in a superposed state as shown by a solid line in FIG. , And a swingable state shown by a virtual line can be selected.

The binding device of the present invention is constructed as described above, and is used as follows in use.

First, the binding bodies (3) and (3) are inserted from below from a pair of binding holes formed in the document (5), and then these binding bodies (3) are inserted.
Insert the pressing member (1) into the through hole (11) (11) (1)
1) and insert the document (5) with the pressing member (1).
While pressing, the central hinge (2) of the locking rod (2)
1) The vicinity of 1) is pushed down with a fingertip to extend the locking rod (2).

By this extension operation, the connecting portion (2) of the locking rod (2) is
The sliding parts (25) (25) are extruded to the outside through the (4) (24), and these sliding parts (25) (25) are guided parts (12) (12).
Slide on the surface of the pressing member (1) while being guided by
As shown in FIG. 6, the binding bodies (3) and (3) are intervened in the recesses of the sliding portions (25) and (25), and the binding bodies (3) and the holding member ( 1) and the extension state of the locking rod (2) by utilizing the unstable switching action of the hinge portions (21) (22) (22) of the locking rod (2). By maintaining it, the document (5) is fixed to the binding bodies (3) and (3).

The central hinge part (21) and the outer hinge parts (22) (22)
As an unstable switching action by the above, when the locking rod (2) is extended, the protruding pieces (26) (26) are moved by the guide groove (12).
a) Since the outer end portion of (12a) is pushed outward, a bulging reaction force acts on the locking rod (2), and the action line of this reaction force is
The outer hinge portions (22) (22) located above are subjected to an upward bending force, and the central hinge portion (21) located below is subjected to a downward bending force. Of.

However, the protruding pieces (26) (26) of the sliding parts (25) (25) are fitted and locked in the guide grooves (12a) (12a) of the outer hinge parts (22) (22). Therefore, it cannot be bent upward, and since the central hinge part (21) faces the pressing member (1), it cannot be bent downward.

As a result, the locking rod (2) is always held in the extended state by the reaction force, and the binding body (3) can be firmly held securely without being inadvertently bent. Of.

When the document (5) bound as described above is to be browsed, the knobs (23) (23) of the locking rod (2) are read.
Is lifted upward against the downward force exerted by the reaction force, and the central hinge portion (21) is actuated with respect to the line of action of the reaction force.
Is moved upward to the dead center and the connecting portions (24) and (24) are bent upward by the reaction force, whereby the sliding portions (25) and (25) are connected to the connecting portion (24). The locking rod (2) is pulled by (24) and slides toward the middle portion in the longitudinal direction, and the locking rod (2) is moved to the outer hinge portions (22) (22) as shown in FIG.
Also, the central hinge portion (21) is bent and its length is shortened.

As a result, the engagement of the binding body (3) by the locking rod (2) is released, and when the folding operation is released by releasing the hand from the locking rod (2), the locking is performed. The sliding parts (25) (25) press the binding bodies (3) (3) outward by the reaction force caused by bending of the hinge parts (21) (22) (22) of the rod (2). Therefore, when the pressing member (1) is moved in the direction of pulling out from the binding bodies (3) and (3), as shown by solid lines in FIGS. 1 and 2, the binding body (3) is The engaging pieces (28a) (28a) and the engaging projections (33) are engaged with each other at the tip end position to prevent further movement.

As a result, the pressing member (1) does not fall off from the binding bodies (3) and (3), so that the document can be maintained in the binding body (3) and (3) and the pressing member (3) can be maintained. 1)
The document can also be freely moved to the vicinity of the tip of the binding body (3) (3) by this movement, and as a result, the desired document can be greatly opened to the binding side and the document can be easily browsed. In addition to being able to see it, you can completely see the spelling side of the document.

At the time of this browsing, the hooking piece (36) of the support member (31) and the locking step (37) of the mounting portion (35) are disengaged, and the binding is performed as shown by the phantom line in FIG. Hinge body (3) (34)
If you use it by swinging from the standing state to the lying state via
It is possible to prevent the opened document (5) from returning and closing on the document (5) to be browsed even if the opened document (5) is released, and the browsing is easier.

After the browsing is completed, the document (5) moved in the length direction of the binding bodies (3) and (3) is returned to the original position, and the pressing member (1) is attached to the binding bodies (3) and (3). It is possible to perform binding again by moving the document along the pressing position of the document and performing the above-described extension operation of the locking rod (2) to lock the binding bodies (3) and (3). Also, the spelled documents (5)
When the pressing member (1) is detached from the binding bodies (3) and (3) for removing the binding from the binding tool or for additional binding, the locking rod (2) is further subjected to the folding operation or more. By operating in the bending direction and bending the locking pieces (27) (27) of the sliding portions (25) (25) close to the position where they engage the retaining projections (13) (13), As shown by phantom lines in FIGS. 4 and 2, the locking rod (2) provided on the pressing member (1) is operated in the bending direction, that is, the central hinge portion (21) is attached to the central hinge portion (21). By giving a force against the bending reaction force caused by the bending of the locking rod, the lengthwise end of the locking rod (2) faces the insertion holes (11) (11) of the holding member (1). Since the biasing force can be canceled, each of the locking projections (33)
The engagement between the engaging rod (28a) and the engaging piece (28a) is released, and therefore, while the engaging rod (2) is bent, the engaging rod (2) is bound ( 3) The engagement with the locking protrusion (33) is easily released by a one-touch operation of simply pulling up the (3), and the pressing member (1) is quickly removed from the binding bodies (3) and (3). And it can be easily removed.

Further, FIG. 10 shows a locking projection (33) provided on the binding body (3) (3) and an engaging portion (28) (28) provided on the locking rod (2).
Another embodiment of the binding body (3) is shown.
A locking projection (33) provided on the tip end side of the pressing member (1) is formed by bulging toward the longitudinal intermediate side of the pressing member (1), and the locking rod (2) is bent to operate the pressing member (1). ) Is pulled up, the locking projection (33) is configured to engage with the upper end (locking part) of the sliding part (25), while the locking piece (2) is operated in the bending direction. In this configuration, the engagement between the locking projection (33) and the upper end (locking part) of the sliding part (25) can be released. Similar effects can be obtained.

Further, in the above embodiments, the engaging rod (2) provided with the engaging protrusion (33) is provided on the locking rod (2), but the engaging portion (28) is pressed down. It may be provided on the member (1) side.

In this case, for example, as shown in FIG. 11, a locking protrusion (33) that bulges toward the outer side of the pressing member (1) is provided on the tip side of the binding body (3), and the locking is performed. When the pressing member (1) is pulled up while the rod (2) is bent, the locking projection (33)
To engage with the upper surface of the peripheral edge portion of the insertion hole (11) in the holding member (1), and at the outer end of the sliding portion (25) (25), as shown in FIG. When the stop rod (2) is operated in the bending direction, the locking projection (33) and the pressing member (1)
Since the releasing pieces (29) and (29) for forcibly releasing the engagement with the upper surface of the peripheral portion are provided, the same operational effect as in the above case can be obtained even with such a configuration.

Further, as the releasing piece (29), a through hole (29a) into which the locking projection (33) can be inserted may be formed as shown in FIG.

(Effect of the Invention) According to the present invention as described above, the locking rod (2) can be extended and bent through the hinge portions (21), (22) and (22), and the locking rod (2) can be extended and bent. At the time of bending 2), that is, at the time of releasing the engagement of the binding body (3) by the locking rod (2), a bending reaction force caused by bending of the central hinge (22), that is, the locking. By utilizing the force of the rod (2) to return from the bent state to the extended state, the locking rod (2) is bent during the bending.
Inserting holes (11) (11) of the holding member (1) at the end in the length direction of the
And an engaging portion (28) provided on one of the pressing member (1) and the engaging rod (2) by being urged toward the engaging protrusion (33) provided at the tip of the binding body (3). Since the locking rod (2) is bent and the engagement of the binding body (3) is released, the pressing member (1) and the binding body (3) are engaged. It is possible to prevent the pressing member (1) from being detached from the binding body (3) by locking the pressing member (1) at the front end side.

Therefore, since the pressing member (1) is not detached from the binding body (3), it is not necessary to bother with a special operation apart from the operation of releasing the binding of the binding body (3). By just bending the locking rod (2),
The desired document can be opened wide to the binding side to easily browse the document, and the binding side of the document can be completely viewed, and the binding by the pressing member (1) after browsing can be performed. The body (3) can also be easily attached.

Also, when removing the pressing member (1) from the binding body (3),
The locking rod (2) provided on the pressing member (1) is operated in the bending direction, that is, the force for resisting the bending reaction force caused by the bending of the central hinge portion (21) to the central hinge portion (21). By applying the force, the longitudinal end portion of the locking rod (2) can cancel the urging force toward the insertion holes (11) (11) of the pressing member (1). Protrusion (33) and engaging part (28)
Since engagement with the binding member can be easily released, the binding member (1) can be bound by a one-touch operation of pulling up the binding rod (3) while operating the locking rod (2) in the bending direction. Extraction from the body (3) can be performed easily, easily and quickly.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing a usage state of a binding device according to the present invention at the time of browsing, FIG. 2 is a plan view of the same, FIG. 3 is an enlarged explanatory view of an engagement state and an engagement portion, FIG. 4 is a partially cutaway front view showing a state in which the pressing member is removed from the binding body, FIG. 5 is a plan view showing a state in which a document is bound in a binding tool, and FIG. 6 is a cutaway front view of the same portion. FIG. 8 is a plan view of the binding body, FIG. 8 is an explanatory view showing a usage state of the binding body, FIG. 9 is an explanatory view showing an engagement state of the sliding portion of the locking rod with the guide groove, FIG. First
FIG. 11 is a partially cutaway front view showing another embodiment, FIG. 12 and FIG.
13 is an explanatory view of a release piece provided on the sliding portion. (1) …… Pressing member (2) …… Locking rod (3) …… Binding body (11) (11) …… Insertion hole (21) …… Center hinge part (22) (22) …… Outside hinge Part (28) (28) ...... Engagement part (33) (33) ...... Locking protrusion

Claims (1)

[Scope of utility model registration request] 1. A pair of binding body insertion holes (11) (11) in the middle portion.
Holding member (1) having a predetermined length, a central hinge part (21) bent by elastic deformation, and a pair of outer hinge parts (22)
(22), which is slidably held by the pressing member (1) and can be extended and bent through the hinge portions (21), (22) and (22), and at the time of bending, the central hinge. A locking rod (2) whose longitudinal end is urged toward the insertion holes (11) (11) by the bending reaction force of the portion (21), and the insertion hole (11).
And a binding body (3) which is inserted into the (11) and which is engaged with the locking rod (2) when the locking rod (2) is extended, the binding body (3)
A locking projection (33) is provided on the tip side of the locking rod (1) and the locking rod (2), and the locking rod (2)
At the time of bending, the engaging portion (which engages with the locking projection (33) by the urging force urged toward the insertion holes (11) (11) by the reaction force of the central hinge portion (21) ( 28) is provided, the movement of the pressing member (1) in the pull-out direction with respect to the binding body (3) is stopped by the engagement of the engagement portion (28) with the engagement protrusion (33), and the engagement rod (28) is provided. The operation of (2) in the bending direction releases the engagement of the engaging portion (28) with the locking projection (33) and allows the pressing member (1) to be pulled out. Spelling tool.