JPH0881093A - Holding device for rolled medium in recording device - Google Patents

Abstract

PURPOSE: To use rolled mediums having different size spool cores without adding a special structure to a holding device. CONSTITUTION: The front end part of a flange shaft 30 has a shape similar to an insertion shape of each of flanges, and is adapted to be inserted for installation in a receiving shape part formed in a first flange 31. A second flange 32 has a receiving shape part 323 in which the insertion shape part 312 of the first flange 31 is aligningly inserted. In this case a protrusion 311 is inserted in a cut-out 324 (whirl stop). A third flange 33 is similarly attached to the second flange 32. An insertion shape part 332 of the third flange 33 is inserted in a spool core 10 of a rolled medium while the protrusion 331 is aligningly attached to the cut-out 101 so as to serve as a whirl stop. When the flanges are superposed with one another so as to be integrated, the brims of the flanges have one and the same thicknesses.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called roll-shaped medium holding device in which a recording medium such as a recording paper or a transfer ribbon of a recording device is wound around a winding core.

[0002]

2. Description of the Related Art As such a roll-shaped medium holding device, a roll-shaped medium is attached and held at a predetermined position of the device via a flange having a shape adapted to the core of the roll-shaped medium to be held. Taking the thermal transfer recording apparatus of FIG. 3 as an example,
As a roll for winding the medium, there are a recording paper roll 1 and an ink ribbon roll 2.

The recording paper roll 1 and the ink ribbon roll 2 are generally configured to use the recording paper roll 1 or the ink ribbon roll 2 of the same type. Therefore, one flange (one pair) for attaching each of the rolls to the predetermined position of the apparatus should be provided.

[0004]

However, in the recent recording apparatus, the recording paper roll 1 is made of a plurality of types such as plain paper or transparent film paper, and the ink ribbon roll 2 is a wax type ribbon or a resin type ribbon. Things have come to be used. For this reason, the recording paper roll 1 and the ink ribbon roll 2 may differ in the size of the winding core forming the roll-shaped medium depending on the manufacturer or the type in view of the thickness of the medium to be wound.

Therefore, in the case of using such various kinds of media, conventionally, the cores of all have the same size and shape. Therefore, there is a drawback that the cost of the recording medium increases. The present invention has been made to improve this point, and provides a holding device for a recording medium that can be applied to roll-shaped media having different core sizes.

[0006]

Therefore, according to the present invention, a roll-shaped medium having a recording medium wound around a winding core is held at a predetermined position of the apparatus, and the roll-shaped medium is sequentially drawn to perform recording. In the roll-shaped medium holding device of the recording device to be performed, a plurality of roll-shaped medium cores of different sizes,
A plurality of flanges attached to each of the cores for holding the roll-shaped medium wound on the cores in a predetermined position of the apparatus, and the plurality of flanges further include individual flanges corresponding to the respective cores. The flanges are formed in a shape in which they are superposed on each other and integrated, and the individual flanges are superposed on each other or removed to be attached to the corresponding cores of the roll-shaped medium.

[0007]

In general, the size of the core of this type of roll medium is set to several sizes according to the type of the medium to be wound. Therefore, it suffices to prepare a flange of a size that can be used in advance. in this case,
Configured so that each flange can be integrated,
It is convenient if they can be integrated or removed depending on the core of the corresponding roll medium.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to an embodiment of the drawings. Here, FIG. 1 is a configuration perspective view showing an essential part of the roll-shaped medium holding device of the present invention, and FIG. 2 is a configuration explanatory view for explaining the relationship of each flange. In the figure, 10 is a core of a roll-shaped medium, 11 is recording paper as an example of a roll-shaped medium, 101 is a notch for preventing rotation formed in the core 10, 30 is a flange shaft, 3
1 is a first flange, 311 is a protrusion for preventing rotation provided on the first flange, 312 is an insertion shape of the first flange, 32 is a second flange, and 321 is provided on a second flange. Anti-rotation protrusion 322 is the second
Flange insertion shape, 323 is a second flange receiving shape, 324 is a notch as a receiving shape, and 33 is a third
Flange, 331 is a protrusion provided on the third flange for preventing rotation, 332 is an insertion shape of the third flange, 333 is a receiving shape of the third flange, and 334 is a notch as a receiving shape. .

Referring to FIG. In the example shown in FIG. 2, the first flange is attached to the flange shaft of the apparatus, and the third flange is attached to the core of the roll-shaped medium via the second flange. .
The first flange 31 is attached to the flange shaft 30. Although not shown, the tip end portion of the flange shaft 30 has a shape substantially similar to the insertion shape of each flange described later, and is inserted and attached to the receiving shape formed in the first flange 31. ing.

The second flange 32 has its receiving shape 323.
Is attached so that the insertion shape 312 of the first flange 31 matches. In this case, the protrusion 311 of the first flange 31 is inserted into the receiving cutout 324 of the second flange 32. As a result, slippage between the flanges is prevented (rotation is prevented) when the roll-shaped medium, for example, recording paper is sent out or rewound.

The attachment of the third flange 33 to the second flange 32 is similarly performed. Then, the insertion shape 332 of the third flange is inserted into the winding core 10 of the roll-shaped medium, and the protrusion 331 of the third flange 33 is fitted to the cutout 101 of the winding core 10 and attached.
The protrusion 331 of the third flange 33 and the notch 101 of the winding core 10 act as a detent.

In this case, when the flanges are superposed and integrated, the flanges of the flanges have the same thickness. As a result, the distance between the core 10 and the flange shaft 30 (generally, the standard for holding the roll-shaped recording medium) does not change regardless of which flange the roll-shaped medium core 10 is attached to. There is an advantage that the design is easy.

For example, in the structure as shown in FIG. 1, if the flange shaft 30 is connected to a motor shaft (not shown), when the recording paper 11 is fed or rewound, the distance between the flanges is increased. Also, the medium can be transferred with high accuracy without slippage between the core 10 and the corresponding flange.

In the above embodiments, the insertion shape of each flange was not specified, but the following configuration may be adopted. That is, each flange may be made of, for example, plastic, and the insertion shape relating to them may be, for example, slotted to have a biasing action toward the outside. In this case, for example, the insertion shape is changed to the core 1 of the roll-shaped medium.
When inserted in 0, the flange can be firmly fixed to the winding core 10 by the outward biasing action of the sliding.

In the above embodiment, the notch and the protrusion are used as a rotation stopper between the flanges and between the flange and the winding core. However, the winding core 10 has a certain thickness and is made of paper. As long as it is made of a relatively soft material such as, it may be configured as follows. That is,
Plural piercing pins are provided on the winding core side of the flange of the flange, and the piercing pins of the flange pierce the end surface of the winding core 10 when these are joined. In this case, the shape between the flanges may be changed to the notch shown in FIG. 2 so as to receive the piercing pin of each flange.

[0016]

As described above, according to the present invention, even roll media having different core sizes can be integrated or removed from a plurality of flanges that are integrated to correspond to the core. Since the flange is selected, a roll-shaped medium having a plurality of cores of different sizes can be used.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part configuration showing an embodiment of the present invention.

FIG. 2 is a relationship diagram of a flange and a roll-shaped medium core according to the present invention.

FIG. 3 is a configuration explanatory diagram showing an example of a general recording apparatus.

[Explanation of symbols]

 10: Roll medium core 31, 32, 33: Flange

Claims (3)

[Claims] 1. A roll-shaped medium holding device of a recording device for holding a roll-shaped medium, around which a recording medium is wound around a winding core, at a predetermined position of the device, and sequentially pulling out the roll-shaped medium for recording. , A plurality of roll medium cores of different sizes, and a plurality of flanges attached to the respective cores for holding the roll medium wound on the cores at predetermined positions of the apparatus. Further, the plurality of flanges are formed in a shape in which the individual flanges corresponding to the respective winding cores are overlapped with each other and integrated, and the individual flanges are overlapped with each other or removed to form a corresponding roll-shaped medium winding core. A roll-shaped medium holding device of a recording device, which is configured to be attached. 2. A winding core of a roll-shaped medium is formed in a cylindrical shape having a hollow end, and the winding core side of each of the flanges is elastically biased outward so that it can be inserted into the end cylinder of the corresponding winding core. 2. The individual flanges are formed into a single insertion shape, and the opposite surface side is formed into a receiving shape that receives the insertion shape formed on the winding core side of another flange so that the individual flanges are integrated. Holding device for the roll-shaped medium of the recording device. 3. A roll-shaped medium holding device for a recording apparatus according to claim 1, wherein the flanges of the individual flanges have the same thickness.