JP2001302031A - Machine glazed paper holder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mount a paper easily and prevent the occurrence of loosening of the paper immediately after the supply of machine glazed paper is stopped. SOLUTION: A machine glazed paper holder holds a central shaft 6 of the machine glazed paper 1 to be supplied to a printer 4 and is provided with a rotary roller 2 driven due to the contact with outer periphery of the machine glazed paper 1 and a rotation suppressing part 3 arranged just below the machine glazed paper 1 to come into contact with the outer periphery of the machine glazed paper 1 increase a load for the rotary movement of the machine glazed paper 1 by bringing the rotation suppressing part 3 into contact with the machine glazed paper 1 when paper feeding stops. Consequently, it is possible to prevent the occurrence of loosening of the paper even if the supply and stop of the supply of the machine glazed paper 1 are repeated.

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 used in a printer for printing on roll paper.

[0002]

2. Description of the Related Art As a conventional roll paper holder, as described in, for example, Japanese Utility Model Publication No. 3-27799, the center of the roll paper is supported by left and right projections and is rotatable.

[0003]

However, in the above-mentioned conventional roll paper holder, it is possible to prevent the roll paper from rotating due to inertia immediately after the supply of the roll paper is stopped, thereby forming a slack in the paper. There was a problem that can not be.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problems, and to provide a roll paper holder which can easily load a paper and does not cause a slack of the paper immediately after stopping the supply of the roll paper. It is.

[0005]

According to a first aspect of the present invention, there is provided a roll paper holder for holding a roll paper to be fed to a printer substantially horizontally. A rotation roller that is driven by being in contact with the outer periphery of the roll paper; and a rotation suppression unit that is disposed directly below the roll paper and that can abut on the outer periphery of the roll paper. The contact with the paper increases the load on the rotational movement of the roll paper.

As described above, when the paper feed is stopped, the rotation restraining unit comes into contact with the roll paper, thereby increasing the load on the rotational movement of the roll paper. It is possible to prevent the paper from sagging.

According to a second aspect of the present invention, there is provided a roll paper holder according to the first aspect, wherein the roll paper is disposed so as to be pulled out from a lower side, the rotating roller is located below the center axis of the roll paper, and It is arranged only on the side opposite to the pull-out direction.

[0008] As described above, the roll paper is arranged so as to be pulled out from the lower side, and the roll paper pulled by the paper feed of the printer rotates and moves in the rotating direction of unwinding. For this reason, the outer periphery of the roll paper is most likely to be in contact with the lower side of the center axis of the roll paper and on the side opposite to the direction in which the roll paper is pulled out. It is possible to reduce the load on the paper for the rotational movement.

According to a third aspect of the present invention, there is provided a roll paper holder according to the first aspect, wherein the roll paper is disposed so as to be pulled out from above, the rotating roller is located below the center axis of the roll paper, and the roll paper is pulled out. It is arranged only on the direction side.

As described above, the roll paper is arranged so as to be pulled out from the upper side, and the roll paper pulled by the paper feed of the printer rotates and moves in the rotating direction of unwinding. For this reason, the outer periphery of the roll paper is most likely to be in contact with the rotation roller below the center axis of the roll paper and on the side of the roll paper withdrawal direction. It is possible to reduce the load on the roll paper due to the rotational movement.

According to a fourth aspect of the present invention, there is provided the roll paper holder according to the first, second or third aspect, wherein the roll paper comes into contact with the rotating roller only in the paper feeding state, and the pressure on the roll paper rotation suppressing portion is reduced. . As described above, the roll paper comes into contact with the rotating roller only in the paper feed state, and the pressure on the roll paper rotation suppression unit is reduced. , And the load difference makes it possible to suppress the roll paper from rotating by inertia when the paper supply is stopped.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a conceptual diagram of a roll paper holder according to a first embodiment of the present invention.

In FIG. 1, 1 is a roll paper, 2 is a rotating roller driven by contacting the outer periphery of the roll paper,
Reference numeral 3 denotes a rotation suppression unit disposed immediately below the roll paper and in contact with the outer periphery of the roll paper, 4 denotes a printer, and 5 denotes a roll paper holder.

The roll paper holder 5 holds the center axis 6 and the like of the roll paper 1 to be fed to the printer 4 substantially horizontally, and includes the above-described rotation roller 2 and rotation suppression unit 3. When the paper feeding is stopped, the rotation restraining unit 3 and the roll paper 1 come into contact with each other, thereby increasing the load on the rotational movement of the roll paper 1.
In this case, the roll paper 1 is disposed so as to be pulled out from the lower side, and the rotating roller 2 is disposed below the center axis of the roll paper 1 and only on the side opposite to the direction in which the roll paper 1 is pulled out. .

Next, the operation of the roll paper holder having the above configuration will be described. FIG. 2 is an operation explanatory diagram of the first embodiment. In FIG. 2, reference numeral 6 denotes a rotation center axis of the roll paper 1,
Reference numeral 7 denotes a rotation direction of the roll paper, and reference numeral 8 denotes a movement direction of the roll paper.

As shown in FIG. 2, when the rotation of the roll paper 1 is viewed from one end of the center shaft 6 in a state where the roll paper 1 is rotating during paper feeding, the roll paper 1 rotates clockwise. When rotating in a certain rotation direction 7, the rotating roller 2 is located below the central axis 6 of the roll paper 1 and is disposed only on the left side when viewed from one end of the central axis 6 of the roll paper 1. I haven't. On the other hand, the roll paper 1 pulled by the paper feed of the printer 4 moves in the moving direction 8 as the roll paper 1 rotates. That is, when no force is applied, the roll paper 1 is
When the roll paper 1 is pulled to the left, the entire roll paper 1 floats and comes into contact with the rotating roller 2. In the above configuration, the outer periphery of the roll paper 1 is most easily contacted below the central axis 6 of the roll paper 1 and on the left side when viewed from one end of the central axis 6 of the roll paper 1. Providing only the rotation roller 2 makes it possible to reduce the load on the roll paper 1 being fed during the rotation.

FIG. 3 is an explanatory diagram showing a state when the sheet feeding is stopped in the first embodiment. In FIG. 3, reference numeral 9 denotes a spatial distance between the roll paper 1 and the rotary roller 2. When the paper supply is stopped, the roll paper 1 is in contact with the rotation suppression unit 3,
It is not in contact with the rotating roller 2 at a space distance 9.
During the paper feeding, the roll paper 1 moves as described above, so that the contact pressure against the rotation suppressing unit 3 decreases and the rotation roller 2 changes to a contact state, so that the paper feeding state and the paper feed stop In this state, the load on the rotational movement of the roll paper is changed, so that it is possible to prevent the roll paper 1 from rotating by inertia due to the load difference when the paper supply is stopped. In FIG. 1, both the rotation roller 2 and the rotation suppressing unit 2 are separated from the roll paper 1, but actually either one is in contact.

As described above, according to this embodiment, in the printer using the roll paper 1, the paper can be easily loaded, and the paper cannot be sagged even if the roll paper is repeatedly fed and stopped. It is possible to provide a roll paper holder.

A second embodiment of the present invention will be described with reference to FIG. FIG. 4 is an operation explanatory view of the roll paper holder according to the second embodiment of the present invention. 4, reference numeral 6 denotes a rotation center axis of the roll paper 1, 7 denotes a rotation direction of the roll paper, and 8 denotes a movement direction of the roll paper. In this case, the roll paper 1 is disposed so as to be pulled out from the upper side, and the rotating roller 2 is disposed below the center axis of the roll paper 1 and is disposed only on the side in which the roll paper 1 is pulled out.

In this embodiment, as shown in FIG.
While the roll paper 1 is rotating during paper feeding, the roll paper 1
When the rotation of the roll paper 1 is viewed from one end of the central shaft 6, the roll paper 1
Is rotated counterclockwise in the direction of rotation 7, the rotating roller 2 is located below the central axis 6 of the roll paper 1 and on the right side when viewed from one end of the central axis 6 of the roll paper 1. Only placed in. On the other hand, the roll paper 1 pulled by the paper feed of the printer 4 moves in the moving direction 8 as the roll paper 1 rotates. In the above configuration, the outer periphery of the roll paper 1 is most easily contacted below the central axis 6 of the roll paper 1 and on the right side when viewed from one end of the central axis 6 of the roll paper 1,
By providing the rotation roller 2 only at that location, it is possible to reduce the load on the roll paper 1 being fed during the rotation. Other configuration effects are the same as those of the first embodiment.

In the above, the present invention has been described in detail with respect to a specific embodiment. However, the present invention is not limited to this, and various embodiments are possible within the scope of the present invention.

[0022]

According to the roll paper holder according to the first aspect of the present invention, when the paper feed is stopped, the rotation restraining portion comes into contact with the roll paper, thereby increasing the load on the rotational movement of the roll paper. Even if roll paper feeding and paper feeding stop are repeated, it is possible to prevent the paper from sagging.

According to the second aspect, the roll paper is disposed so as to be pulled out from the lower side, and the roll paper pulled by the paper supply of the printer rotates and moves in the rotating direction of unwinding. For this reason, the outer periphery of the roll paper is most likely to be in contact with the lower side of the center axis of the roll paper and on the side opposite to the direction in which the roll paper is pulled out. It is possible to reduce the load on the paper for the rotational movement.

According to the third aspect, the roll paper is arranged so as to be pulled out from the upper side, and the roll paper pulled by the paper feeding of the printer rotates and moves in the rotating direction of unwinding. Therefore, the rotating roller is located below the center axis of the roll paper, and the side in which the roll paper is pulled out is
The outer periphery of the roll paper is most likely to come into contact with the roller, and by providing a rotation roller only at that position, it is possible to reduce the load on the roll paper being fed during the rotation.

According to the fourth aspect, the roll paper comes into contact with the rotating roller only in the paper feeding state, and the pressure on the roll paper rotation suppressing portion is reduced. Change the load on the rotational movement,
Due to this difference in load, it is possible to suppress the roll paper from rotating by inertia when the paper supply is stopped.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram of a roll paper holder according to a first embodiment of the present invention.

FIG. 2 is an operation explanatory diagram of the first embodiment.

FIG. 3 is an explanatory diagram illustrating a state when paper feeding is stopped in the first embodiment.

FIG. 4 is a conceptual diagram of a roll paper holder according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roll paper 2 Rotation roller 3 Rotation suppression part 4 Printer 5 Roll paper holder 6 Roll paper rotation center axis 7 Roll paper rotation direction 8 Roll paper movement direction 9 Spatial distance between roll paper and rotation roller

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[Procedure amendment]

[Submission date] November 20, 2000 (200.11.
20)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction contents]

As shown in FIG. 2, when the rotation of the roll paper 1 is viewed from one end of the center shaft 6 in a state where the roll paper 1 is rotating during paper feeding, the roll paper 1 rotates clockwise. in the case of rotating in a certain direction of rotation 7, the rotating roller 2 is located below the central axis 6 of the roll paper 1, and, only a right side when viewed from one end side of the central axis 6 of the roll paper 1 Not placed. On the other hand, the roll paper 1 pulled by the paper feed of the printer 4 moves in the moving direction 8 as the roll paper 1 rotates. That is, when no force is applied, the roll paper 1 is
When the roll paper 1 is pulled to the left, the entire roll paper 1 floats and comes into contact with the rotating roller 2. In the above configuration, below the central axis 6 of the roll paper 1, and right side is viewed from one end side of the central axis 6 of the roll paper 1, the most outer circumference of the roll paper 1 is easily contacted, in its place Providing only the rotation roller 2 makes it possible to reduce the load on the roll paper 1 being fed during the rotation.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction contents]

In this embodiment, as shown in FIG.
While the roll paper 1 is rotating during paper feeding, the roll paper 1
When the rotation of the roll paper 1 is viewed from one end of the central shaft 6, the roll paper 1
Is rotated counterclockwise in the direction of rotation 7, the rotating roller 2 is located below the central axis 6 of the roll paper 1, and the left side when viewed from one end of the central axis 6 of the roll paper 1. Only placed on the side. On the other hand, the roll paper 1 pulled by the paper feed of the printer 4 moves in the moving direction 8 as the roll paper 1 rotates. In the above configuration, it downward at the central axis 6 of the roll paper 1, and the left side is easy to contact the most outer circumference of the roll paper 1 as viewed from one end side of the central axis 6 of the roll paper 1,
By providing the rotation roller 2 only at that location, it is possible to reduce the load on the roll paper 1 being fed during the rotation. Other configuration effects are the same as those of the first embodiment.

[Procedure amendment 3]

[Document name to be amended] Drawing

[Correction target item name] Figure 3

[Correction method] Change

[Correction contents]

FIG. 3

Claims (4)

[Claims] 1. A roll paper holder for holding roll paper to be fed to a printer, comprising: a rotating roller driven by being in contact with the outer periphery of the roll paper; and an outer periphery of the roll paper disposed immediately below the roll paper. A roll restrainer that can contact the roll paper, and when the paper feed is stopped, the roll restrainer and the roll paper come into contact with each other, thereby increasing the load on the rotational movement of the roll paper. . 2. The roll paper is arranged so as to be pulled out from below, and the rotating roller is arranged below the center axis of the roll paper and only on the side opposite to the direction in which the roll paper is pulled out. 2. The roll paper holder according to 1. 3. The roll paper according to claim 1, wherein the roll paper is disposed so as to be pulled out from the upper side, and the rotating roller is disposed below the center axis of the roll paper and is disposed only on the roll paper pull-out direction side. Roll paper holder. 4. The roll paper holder according to claim 1, wherein the roll paper comes into contact with the rotating roller only in the paper feeding state, and the pressure on the rotation suppressing portion of the roll paper is reduced.