JP3081750B2 - Storage media insertion / ejection mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage medium insertion / ejection mechanism. More specifically, the present invention relates to a storage medium insertion / ejection mechanism for inserting or removing a storage medium having, for example, a cartridge shape into a storage device of the storage medium or a playback device.

The present invention is particularly applicable to, but is not limited to, an MD (Mini Disk) cartridge insertion / ejection mechanism.

[0003]

2. Description of the Related Art For example, in a CD (Compact Disk) reproducing apparatus, there is known a method of inserting and ejecting a CD in which two rubber rollers are mounted in parallel with almost no gap, and the CD is sandwiched and moved between them.

A mechanism for inserting and ejecting such a storage medium will be described with reference to FIG. FIG. 1A is a perspective view of the CD reproducing apparatus 101. FIG. A slot 101a for inserting and ejecting the CD 100 is provided on the front surface of the CD reproducing apparatus 101. The slot
Inside the CD playback device 101 on the back of 101a,
A CD insertion / ejection mechanism 102 is provided.

FIG. 1B is a perspective view of a main part of the CD insertion / ejection mechanism 102. Rubber upper roller 110 and lower roller
111 are attached in parallel and with little gap therebetween.

When the CD 100 is inserted and ejected, the CD 100 is vertically supported by the upper roller 110 and the lower roller 111, and is moved by the rotation of the CD 100 to be ejected.

[0007]

In the industrial field using a storage medium, the storage medium insertion / ejection mechanism as described above is used in order to increase the degree of freedom in design as the storage medium is diversified. There is a demand for a different storage medium insertion / ejection mechanism.

For example, in the case of an industrial product in which vertical dimensions are required to be thin, the above-described storage medium insertion / ejection mechanism requires a space for mounting a roller in the vertical direction, which is disadvantageous for mounting. There is a need for a storage medium insertion and ejection mechanism.

Further, in a storage medium in which a storage medium is stored in a thin case such as an MD with its storage surface facing up and down of the case, when the integrated cartridge is pressed from above and below, the internal Since there is a possibility that the storage medium may be damaged, a mechanism for inserting and ejecting another storage medium is required.

A technical object of the present invention is to focus on such a problem, and in a storage medium insertion / ejection mechanism, a device can be made thinner and a cartridge type storage medium can be protected. It is to propose an insertion / ejection mechanism.

[0011]

The storage medium insertion / ejection mechanism of the present invention is a storage medium insertion / ejection mechanism having a cartridge shape, and has a shape for gripping both side surfaces in the longitudinal direction of the storage medium. A guide member that guides insertion and ejection of the storage medium, and a first member that presses against one side surface of the storage medium.
Roller, a second roller pressed against the other side of the storage medium, and the second roller so that a gap between the first roller and the second roller varies.
An arm member provided on a roller, and an elastic member provided to urge the second roller toward the first roller, wherein the arm member and the elastic member are both guide members. It is characterized by being provided integrally with.

[0012]

According to the above-mentioned storage medium insertion / ejection mechanism, the first and second rollers for transporting the storage medium while pressing both sides thereof are provided, and the arm member, the elastic means and the elastic means for making the second roller movable are provided. The two rollers are provided integrally with a guide member that guides the conveyance of the storage medium, and the second roller is configured to be always at a fixed position with respect to the guide member. , The storage medium can be reliably inserted and ejected by the rollers.

[0013]

Next, a mechanism for inserting and ejecting a storage medium according to the present invention will be described.
A practical example will be described in an embodiment, assuming that the present invention is applied to an MD playback device.

[Outline of MD Reproducing Apparatus] First, an outline of the MD reproducing apparatus will be described with reference to FIG. FIG. 1A is a perspective view of the MD playback device 2. The M
A slot 2a for inserting and ejecting the MD 1 is formed on the front surface of the D playback device 2. Also, an operation panel 2b and the like are attached.

An MD insertion / ejection mechanism 3 is mounted inside the MD reproducing device 2 on the back of the slot 2a. Below the MD insertion / ejection mechanism 3, an MD reproducing mechanism 4 for reading stored information from the MD 1 is attached.

FIG. 1B is a sectional view of the MD 1 taken along the line AA. In the MD1, the storage medium is included in the case 1a.
1b is stored with its storage surface facing the lower surface of the case 1a.

[First Premise Example] Next, a main part of the MD insertion / ejection mechanism 3 which is a premise of the present invention will be described with reference to FIG. In FIG. 1A, reference numeral 12 denotes a guide plate. The guide plate 12 is provided with the MD1
Any shape may be used as long as the edge of the is fitted. For example, it may be only an opposing elongated plate-shaped portion having an appropriate width 12a. The same applies to the left side.

The middle of the portion of the guide plate 12 that fits into the edge of the MD1 is removed, and instead, the first roller 10,
A second roller 11 is mounted to press against the edge of the MD1.

FIG. 2B is a sectional view taken along the line AA of FIG. The edge of the MD1 is fitted to the guide plate 12, whereby the contact position between the MD1 and the first roller 10 and the second roller 11 is specified.

It is desirable that only one of the first roller 10 and the second roller 11 is driven. The drive side is desirably formed of an elastic body, specifically, rubber. The other is also preferably formed of an elastic body, but may be formed of an inelastic body, for example, plastic.

At this time, the edge of the MD 1 is pressed and supported by the first roller 10 and the second roller 11, and when the first roller 10 and the second roller 11 rotate, the MD
D1 is inserted and ejected.

[Regarding Second Premise Example] A groove may be formed in one or both of the first roller 10 and the second roller 11 so that an edge of the MD 1 is fitted. FIG. 3 shows a main part of the MD discharge mechanism 3 as a premise of the present invention.

In FIG. 1A, reference numeral 22 denotes a guide plate.
The guide plate 22 is formed similarly to the guide plate 12.
However, since the edge of the MD1 fits into the groove formed in the first roller 20 or the second roller 21, the first roller 2
In the periphery of the second roller 21, there may be no portion fitted to the edge of the MD1.

FIG. 2B is a sectional view taken along the line AA of FIG. The edge of the MD1 fits into the groove of the first roller 20 and the groove of the second roller 21, and is pressed and supported by the first roller 20 and the second roller 21 in such a fitted state, When the first roller 20 and the second roller 21 rotate, the MD1 is inserted and ejected.

The first roller 20 and the second roller
It is not indispensable to form portions protruding from the groove on both sides of the groove of 21, and a shape in which only one side of the groove protrudes may be used.

FIG. 1C is a sectional view taken along the line AA of FIG. 1A exemplifying such a shape. In the first roller 20 'and the second roller 21', portions protruding only below the groove are formed.

[Embodiment of the Present Invention] In the embodiment of the present invention, the second rollers 11, 21 described in the first and second premise examples are movably mounted. FIG. 4 shows a main part of the MD discharging mechanism 3 according to the embodiment of the present invention.

In FIG. 3A, reference numeral 32 denotes a guide plate.
The guide plate 32 is formed similarly to the guide plates 12 and 22. The first roller 30 is formed and attached similarly to the first rollers 10 and 20.

The second roller 31 is rotatably attached to one end of the arm 31a. The other end of the arm 31a is rotatably attached to the guide plate 32. At this time, the arm 31a is attached so that the position of the second roller 31 can move in an arc passing through the position of the second rollers 11, 21.

A spring 31b is attached to the middle of the arm 31a so as to pull the second roller 31 in a direction approaching the first roller 30.

FIG. 3B is a view of the second roller 31, the arm 31a, and the spring 31b as viewed from above. The arm 31a is rotatably mounted around 31c.
The arm 31a is pulled by the spring 31b, whereby a force acts on the second roller 31 so as to approach the first roller 30.

[0032]

As described above, according to the storage medium insertion / ejection mechanism according to the present invention, the first and second rollers for transporting the storage medium while pressing both side surfaces thereof are provided, and the second roller is movably moved. The arm member, the elastic means and the second roller to be
It is provided integrally with a guide member that guides the conveyance of the storage medium,
Since the second roller and the second roller are configured to be always at a fixed position with respect to the guide member, even if the stop position of the guide member slightly deviates from a desired position, it is possible to reliably insert and discharge the storage medium by the roller. Becomes possible.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing an MD reproducing apparatus and a cross-sectional view of an MD.

FIGS. 2A and 2B are a perspective view and a cross-sectional view illustrating a first premise example as a premise of the present invention.

FIGS. 3A and 3B are a perspective view and a cross-sectional view showing a second premise example as a premise of the present invention.

FIG. 4 is a perspective view and a top view showing an embodiment of the present invention.

FIG. 5 is a perspective view illustrating a conventional CD reproducing apparatus.

[Explanation of symbols]

 Reference Signs List 1 MD 2 MD playback device 3 MD insertion / ejection mechanism 10, 11, 20, 21, 30, 31, 40 Roller 31a Arm 31b Spring

Claims (1)

(57) [Claims] 1. A mechanism for inserting and ejecting a storage medium having a cartridge-type shape, the guide member having a shape for gripping both side surfaces in the longitudinal direction of the storage medium, and guiding the insertion and ejection of the storage medium. A first roller pressed against one side surface of the storage medium, a second roller pressed against the other side surface of the storage medium, and a second roller provided to change a gap between the first roller and the second roller. Arm member, and elastic means provided to urge the second roller toward the first roller, wherein the arm member and the elastic means are integrally formed with the guide member. A storage medium insertion / ejection mechanism characterized by being provided.