JP2000342485A - Roll paper holder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a roll paper holder that can be used for both coreless roll paper and roll paper with a core. SOLUTION: A supporting arm 7 that can rotate from the storage position in which it is stored in a storage recess 2a to the use position in which it is projected and supported from the storage recess 2a, and the supporting arm 7 is provided with an engagedly stopping protrusion 7a to hold in the storage position, and the storage recess 2a is provided with an engagedly stopping hole 2b which the engagedly stopping protrusion 7a engagedly enters.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roll paper holder.

[0002]

2. Description of the Related Art Conventionally, a roll paper holder is provided on both sides with support arms inserted into a core hole of the roll paper to support the roll paper. When trying to attach, the shaft rod for the coreless roll paper is inserted through the coreless roll paper, and the end of the shaft rod is forcibly attached to the roll paper holder and used. There is a problem that the support arm interferes with the side of the coreless roll paper, and the paper withdrawal performance from the coreless roll paper deteriorates.In addition, since the shaft is forcibly mounted, there is play on the shaft. As a result, there is a problem in that the positional relationship with the paper cutting plate is loose and the drawn paper cannot be cut well, resulting in poor usability.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a roll paper holder which can be used with a coreless roll paper attached properly. The first gist is that in a roll paper holder having a support arm that is rotatable from a storage position stored in a storage recess to a use position that protrudes from the storage recess and supports the roll paper, According to another aspect of the present invention, a projection or a hole for holding the projection at the storage position is formed, and a hole or a projection with which the projection or the hole of the support arm is engaged is formed at the storage recess. A second gist of the present invention is to provide a roll paper holder having a support arm rotatable from a storage position stored in a storage recess to a use position protruding from the storage recess and supporting roll paper. Is configured to be extendable and contractable, and a locking hole into which the support arm is engaged at the storage position is formed in the storage recess.
A third gist is that a shaft rod hole into which the end of the shaft rod inserted through the coreless roll paper is engaged is formed. Further, a fourth gist is to return the support arm held in the storage position to the use position,
A tool hook or knob, a push button, and the like are provided.

[0004]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the roll paper holder of the first embodiment. In the roll paper holder 1, a left plate 2 and a right plate 3 are connected by a back plate 4 and protruded forward, and Is provided with a paper cutting board 5 which can be opened and closed in the vertical direction. Support arms 7 are provided inside the left side plate 2 and the right side plate 3, respectively. A use position configured to be able to be stored in a storage recess 2a formed in a concave shape on the inner wall surface, and to be able to project inward in the horizontal direction to support the roll paper from a storage position where it is stored flush with the storage recess 2a. In this example, a locking projection 7a is formed at the tip of the support arm 7 so as to protrude.
The locking hole 2b into which the a is engaged is formed in the upper wall of the storage recess 2a.

As shown in a sectional view of FIG. 2, for example, a cylinder case 8 having a coil spring 9 is provided inside the support arm 7 so that the support arm 7 is fixed to the support arm 7 by the coil spring 9. The locking projection 7a can be configured to be able to protrude and retract through the through hole 7b at the tip, and when the support arm 7 is stored in the storage recess 2a,
The locking projection 7 a is moved by the urging force of the coil spring 9
The support arm 7 is satisfactorily stored in the storage recess 2a by being locked in the locking hole 2b.

[0006] As shown in FIG. 3, the locking projection 7 a can be structured to be retractable by a leaf spring 11, and the leaf spring 11 and a holding member for holding the leaf spring 11 are provided in the support arm 7. The board 10 can be configured to be installed inside.

Further, as shown in the cross-sectional view of FIG. 4, a notch 7c is formed at the end of the support arm 7 so that the locking projection 7a is integrally formed in a protruding manner with resin or the like. It is also possible to provide a configuration in which a spring force is applied by the insertion portion 7c so that the locking projection 7a can expand and contract by the spring force.
Even in such a configuration, the supporting arm 7 is
a, the locking projection 7a is engaged with the locking hole 2b, so that the support arm 7 is properly stored in the locked state.

In order to return the support arm 7 held in the storage recess 2a in the stored state to the use position, for example, as shown in FIG. If the tip of the tool D such as a flathead screwdriver can be inserted into the tool hook 2c, the tool D such as a flathead screwdriver is inserted into the tool hook 2c. By prying, the locking projection 7a of the support arm 7 can be pulled out of the locking hole 2b, and the support arm 7 can be returned to the use position.

As shown in FIG. 6, if a knob 7e is formed to project from the lower end of the back surface of the support arm 7, the support arm 7 is stored and held in the storage recess 2a. By pressing the knob 7e downward with a finger, the rotating shaft M rotatably supporting the support arm 7 is pushed downward, whereby the locking projection 7a is disengaged from the locking hole 2b. In this state, the support arm 7 can be satisfactorily rotated to the horizontal use position with the rotation axis M as a fulcrum.

Further, as shown in FIG. 7, if a hooking claw 7f is formed in a protruding manner on the upper end side of the back surface of the support arm 7, the hooking claw 7f is hooked with a finger or the like to move the support arm 7 into the storage recess. 2a, and can be easily returned from the storage position to the use position.

Further, as shown in FIG. 8, a push button 7g is provided on the upper part of the support arm 7, and when the push button 7g is pushed in the direction of the arrow, the tip of the push button 7g pushes the wall surface of the storage recess 2a. Thus, the support arm 7 can be pulled out of the storage recess 2a to the outside, and can be easily returned from the storage position held in the storage recess 2a to the use position.

Incidentally, as shown in FIG. 9, the support arm 7 itself can be constructed so as to be able to expand and contract.
In FIG. 9, the spring 12 is provided in the guide cylinder 71 of the support arm 7.
And the guide cylinder 7 is formed by the spring 12.
When the support arm 7 is housed in the housing recess 2a by forming the locking projection 7a at the tip of the arm body 72, the arm body 72 is pushed into the guide cylinder 71. In this state, the locking projection 7a is engaged in the locking hole 2b, and the support arm 7 can be stored in the storage recess 2a.

FIG. 10 shows a second embodiment. In FIG. 10, locking projections 7a, 7a are formed on the front and rear side surfaces of the support arm 7 so as to project laterally. 2a, locking holes 2b, 2b into which the locking projections 7a are engaged are formed on the side wall surfaces in the front-rear direction.

For example, as shown in the sectional view of FIG. 11, using a diamond-shaped resin spring 13, locking projections 7 a, 7 a are integrally formed on both front and rear ends of the resin spring 13. If the locking projections 7a, 7a are respectively arranged in the through holes 7b, 7b formed on the front and rear side surfaces,
When the support arm 7 is pushed into the storage recess 2a to be stored, the locking protrusions 7a, 7a
Is shrunk, and furthermore, the locking projections 7 are properly inserted into the locking holes 2b.
The support arm 7 is properly stored and held in the storage recess 2a.

Further, as shown in FIG.
The cylinder case 8 is mounted inside the support arm 7 in a horizontal direction, and the locking projections 7a, 7a are projected from the front and rear ends, so that the locking projections 7a, 7a can be protruded and retracted by the coil spring 9. You can keep it.

As shown in the first embodiment or the second embodiment, when the support arm 7 is housed in the housing recess 2a, the engagement between the engagement projection 7a and the engagement hole 2b can be made satisfactorily. Since the support arm 7 can maintain the storage state in the storage recess 2a, when the coreless roll paper is used, the support arm 7 should be stored in a position where it does not interfere, that is, in the storage recess 2a. 13, for example, as shown in FIG.
A hole 14 for a shaft is formed in the inside of the right side plate 3 in a concave shape, and if it is configured in advance so that the end of the shaft 15 can be engaged with the hole 14 for the shaft, there is no core. In the case of using roll paper, a thin shaft rod 15 is inserted through the center of the coreless roll paper, and both ends of the shaft rod 15 are engaged with the hole 14 for the shaft rod. Can be used by being attached to the roll paper holder 1. In this case, since the support arm 7 is stored in the storage recess 2a, the support arm 7 does not fall down on the side of the coreless roll paper and does not obstruct it. The paper can be pulled out of the roll paper lightly and favorably and used.

As shown in FIG. 14, a hole 7 for the shaft rod into which the end of the shaft rod 15 can be engaged is formed on the back surface of the support arm 7.
14 may be formed. In the structure shown in FIG. 14, the end of the shaft 15 is engaged with the shaft hole 7d while the support arm 7 is housed in the housing recess 2a. The coreless roll paper can be attached to the roll paper holder and used, so that the support arm 7 does not interfere with the side of the coreless roll paper and the paper can be pulled out and used with a light force. Become.

When a normal roll paper with a core is used, the support arm 7 is projected horizontally inward from the storage recess 2a, and the support arm 7 is inserted into the core hole of the roll paper. It can be used by supporting a roll paper with a core. In such a structure, if a locking hole 2b is formed in the storage recess 2a and a locking protrusion 7a is formed in the support arm 7 of the existing roll paper holder, the coreless roll paper has a core. The roll paper can also be used as a roll paper holder that can be used comfortably, and can be manufactured from existing roll paper holders with a small design change and without a large cost.

[0019]

According to the present invention, there is provided a roll paper holder provided with a support arm which is rotatable from a storage position stored in the storage recess to a use position which projects from the storage recess and supports the roll paper. The arm has a projection or a hole for holding it in the storage position, and the storage recess has a hole or a projection with which the projection or the hole of the support arm is formed. However, when using a normal cored roll paper, the support arm can support the roll paper for good use.On the other hand, when using a coreless roll paper, place the support arm in the storage recess. It is securely stored and held, so that the support arm does not interfere with the side of the coreless roll paper, and there is no core It becomes capable of performing lightly drawer like paper from Rupepa.

Further, in a roll paper holder provided with a support arm rotatable from a storage position stored in the storage recess to a use position projecting from the storage recess and supporting the roll paper, the support arm is extendable and contractible. The storage recess is formed with a locking hole into which the support arm is engaged at the storage position, so that when a coreless roll paper is used, it is supported in the storage recess. The arm can be securely held and housed, and the support arm does not interfere with the side surface of the coreless roll paper, so that the coreless roll paper can be favorably mounted and used.

Further, since the shaft rod hole into which the end of the shaft rod inserted through the coreless roll paper is engaged is formed, the shaft rod supporting the coreless roll paper can be securely used for the shaft rod. By engaging the roll paper in the hole, the shaft rod does not rattle, and the positional relationship with the paper cutting board is normal, so that the coreless roll paper can be properly mounted and used.

A tool hook or knob for returning the support arm held in the storage position to the use position.
By providing a push button or the like, the support arm stored in the storage recess can be easily moved to the use position by hanging a tool on the tool holding portion or pressing a knob or a push button. It can be returned and has the effect of improving usability.

[Brief description of the drawings]

FIG. 1 is a perspective configuration diagram of a roll paper holder according to a first embodiment.

FIG. 2 is a sectional configuration diagram of a support arm in FIG. 1;

FIG. 3 is a sectional configuration diagram of a support arm having a different structure.

FIG. 4 is a cross-sectional configuration diagram of still another support arm.

FIG. 5 is an enlarged perspective view of a main part, in which a tool holding portion is formed in the storage recess, on which a tool can be hooked for pulling out a support arm.

FIG. 6 is a side view showing a configuration in which a knob operated to return to a use position is provided on the support arm.

FIG. 7 is a side view of the configuration in which a hook is formed on the support arm so that the hook can be pulled out when returning to the use position.

FIG. 8 is a side view in which a push button is further provided on a support arm.

FIG. 9 is a cross-sectional configuration diagram in which a support arm itself is configured to be extendable.

FIG. 10 is a perspective configuration diagram of a roll paper holder of a second embodiment.

FIG. 11 is a sectional configuration diagram of a support arm in FIG. 10;

FIG. 12 is a sectional configuration diagram of a support arm having a different structure.

FIG. 13 is a perspective configuration view in which a shaft rod hole for engaging an end of a shaft rod for a coreless roll paper is formed in a paper holder.

FIG. 14 is a perspective configuration diagram of a roll paper holder when a shaft rod hole is formed on the back surface of a support arm.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roll paper holder 2 Left side plate 2a Storage recess 2b Locking hole 2c Tool holding portion 3 Right side plate 5 Paper cutting plate 7 Support arm 7a Locking projection 7b Through hole 7c Cut 7d Hole for shaft rod 7e Knob 7f Hook 7g Push button 8 Cylinder case 9 Coil spring 11 Leaf spring 12 Spring 13 Resin spring 14 Shaft bar hole 15 Shaft bar 71 Guide cylinder 72 Arm body D Tool M Rotation axis

Claims (4)

[Claims] 1. A storage position stored in a storage recess,
In a roll paper holder having a support arm protruding from a storage recess and rotatable over a use position for supporting the roll paper, a protrusion or a hole for holding the support arm at the storage position is formed in the support arm. A roll paper holder, characterized in that a hole or a protrusion is formed in the storage concave portion so as to be engaged with the protrusion or the hole of the support arm. 2. A storage position stored in a storage recess,
In a roll paper holder provided with a support arm protruding from a storage recess and rotatable over a use position for supporting roll paper, the support arm is configured to be extendable and contractible, and the support recess includes a support arm. A roll paper holder having a locking hole to be engaged at a storage position. 3. The roll paper holder according to claim 1, wherein a shaft rod hole into which an end of the shaft rod inserted into the coreless roll paper is engaged is formed. . 4. The apparatus according to claim 1, further comprising a tool hook, a knob, a push button, and the like for returning the support arm held at the storage position to the use position. The roll paper holder according to claim 2 or claim 3.