JPH05225673A - 8cm cd-rom retrieval device - Google Patents

Abstract

PURPOSE:To provide an 8cm CD-ROM retrieval device incapable of insertion of a 3.5 in. FD case. CONSTITUTION:Two levers 21 and 22 formed with projected parts 21a and 22c and tapered parts 21b and 22d respectively are applied to the 8cm CDROM retrieval device, and the projected parts and the tapered parts formed on the levers are combined with each other. Then, the device is equipped with a caddy guide 10 formed by fixing one end part of a 3.5 in. FD misinserting preventing member 2 formed with two rows, each having a row of the projected part and the tapered part to a caddy guide side peripheral plate 1 formed with a small opening, where the projected part or the tapered part is protruded into the caddy guide.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an 8 cm CD-ROM retrieval device capable of preventing erroneous insertion of a 3.5 inch FD.

[0002]

2. Description of the Related Art Generally, a CD-ROM retrieval device is used for encyclopedias and dictionaries. Recently, a portable type for a small portable 8 cm CD-ROM is not an stationary type but an electronic book. Appears in the market under the name.

FIG. 7 is a perspective view showing the external appearance of an 8 cm CD-ROM retrieval device (hereinafter, simply referred to as retrieval device when there is no confusion). In FIG. 7, 6 is an LCD (liquid crystal) display unit having an opening / closing mechanism, 7 is an operating unit having a keyboard and an opening / closing mechanism, and 8 is a CD-ROM reproducing unit. Further, FIG. 8 is a diagram showing a caddy having a built-in CD-ROM used in a retrieval device, (a) is a plan view and (b) is a front view thereof. Thus, the 8 cm CD-ROM is stored in the caddy 5 for data protection. Reference numeral 9 denotes a shutter that automatically opens when it is attached to the operation unit 7 of the search device.
9 is a perspective view of the search device showing a state in which the operation unit 7 of FIG. 7 is opened. 10 is a caddy guide, 11 is an arm equipped with a mechanism for automatically opening the shutter 9 when the caddy 5 is inserted, 12 is an optical pickup for reading data of 8 cm CD-ROM, and 13 is the shutter 9 of the caddy 5. A turntable for driving the rear 8 cm CD-ROM at a constant rotation, 14 is 8 cmC on the turntable 13.
It is a clamper for fixing the D-ROM. In addition,
A magnet is housed in the turntable 13 or the clamper 14.

FIG. 10 is a perspective view in which the caddy 5 is inserted along the caddy guide 10 in the state of FIG. 9, the shutter 9 is opened by the arm 11, and a part of the 8 cm CD-ROM 15 housed in the caddy 5 is exposed to the outside. Exposed. Then, by closing the operation unit 7, 8 cm CD-
The ROM 15 is positioned on the turntable 13, and further fixed by a magnet of a magnet housed in either the clamper 14 or the turntable 13.

[0005]

As described above, the conventional 8 cm CD-ROM searching device inserts the caddy 5 having the built-in 8 cm CD-ROM to search the data. The FD case can also be inserted and has a drawback that it causes a problem.

That is, FIG. 11 shows a 3.5-inch FD case 4
FIG. 8 is a plan view (a) and a front view (b) showing FIG.
Compared to the 8 cm CD-ROM caddy 5 shown in
As can be seen from the front view (b), only the thickness of the 3.5-inch FD case 4 is about half that of the caddy 5, and the other widths are almost the same.

Therefore, the thin 3.5-inch FD case can be inserted into the caddy guide, and it is inserted at that time.
There is a problem that the data of the floppy disk built in the 5-inch FD case is magnetically destroyed by the magnetism of the magnet housed in the clamper 14 or the turntable 13.

The present invention prevents the above problems from occurring 8
The purpose is to provide a cm CD-ROM device.

[0009]

The present invention provides a 8 cm CD-R
In the OM search device, two levers each having a protruding portion and a tapered portion are used, and two rows of the protruding portion and the tapered portion are formed by combining the protruding portion and the tapered portion formed on other levers with each other. A 3.5 cm FD erroneous insertion prevention member is provided with a caddy guide in which one end portion is fixed to a caddy guide side edge plate having a small opening through which the above-mentioned protruding portion or tapered portion can be seen inside the caddy guide.
-When inserting a ROM caddy, one end of the 3.5-inch FD erroneous insertion prevention member pushes up the tapered portions of each of the two levers, and the protruding portion of each lever is removed outside the caddy guide side edge plate and can be inserted. And 3.
When inserting the 5-inch FD case, one of the above-mentioned levers is configured so that one of the tapered portions is not pushed up, and the protrusion is formed on the other lever in line with the tapered portion. Is characterized by.

[0010]

According to the present invention, the searcher does not have to consider whether the data medium to be inserted into the caddy guide is an 8 cm CD-ROM or a 3.5 inch FD depending on the thickness of the 8 cm CD-ROM.
Since only the built-in caddy is inserted and installed, normal search can be performed easily.

[0011]

1 and 2 show an embodiment of the present invention.
FIG. 2 is a view showing a state in which a 3.5-inch FD erroneous insertion prevention member is attached to the caddy guide side edge plate, and FIG. 1A is a plan view seen from the outside, FIG. 1B is a sectional view taken along the line AA of FIG. 1A, and FIG. 1C is a portion B of FIG. 1A.
-B side sectional view, Figure (d) is a view of Figure (a) viewed from the direction of arrow a, Figure (e) is a rear view of Figure (a), and Figure 2 (a) is the view of Figure 1. (a)
The plan view seen from the outside showing the cross section line different from the figure, Figure (b) is the figure
7A is a cross-sectional view taken along the line CC, and FIG. 6C is a cross-sectional view taken along the line D-D in FIG. In both figures, 1 is the edge plate of the caddy guide, and 2 is 3.5.
An inch FD misinsertion preventing member is divided into levers 2 ₁ and 2 ₂ , and its base is fixed to the outer surface of the caddy guide side edge plate 1 by a fixing screw 3.

The 3.5-inch FD erroneous insertion prevention member 2 is
The material is made of resin or metal, and due to its elasticity, elastic deformation is possible with the fixing portion 2a by the fixing screw 3 as a fulcrum. Reference numeral 10 is the same caddy guide as described above.

FIG. 3 is a perspective view showing the levers 2 ₁ and 2 ₂ taken out for easy understanding. The lever 2 ₁ is moved downward from a fixed portion 2a to a certain length position as shown. After forming the protruding portion 2 ₁ a, the edge portion direction is formed to be a bent portion p that is one step higher, and the tip portion is expanded to one side of the width and bent downward to form the tapered portion 2 ₁ b. It was formed in. In addition, the lever 2 ₂ is halfway through the above-mentioned lever 2 ₁
After forming the protruding portion 2 ₂ c corresponding to the protruding portion 2 ₁ a, the lever 2 ₁ is protruded to the opposite side of the tapered portion 2 ₁ b and bent downward, and the tapered portion 2 ₂ d is formed at the tip. Is formed.

[0014] Figure 1 since thus formed, a tapered portion 2 ₂ d of the lever 2 ₂ below the bent portion p of the lever 2 ₁
Insert it as shown in (d) and combine the levers 2 ₁ and 2 ₂ to form the protrusion 2 ₁ a, the tapered portion 2 ₂ d, and the protrusion 2 ₂ c.
As shown in FIG. 1E, the tapered portions 2 ₁ b can be linearly positioned on both sides of the center line of the caddy guide side edge plate 1 in the width direction. Therefore, the above protrusion,
Alternatively, one end of the 3.5-inch FD misinsertion preventing member 2 is attached to the caddy guide side as described above on the caddy guide side edge plate 1 in which each of the tapered tip portions has a small opening protruding to the inner surface of the caddy guide. When fixed to the edge plate 1, the protrusion 2 ₁ a and the tapered portion 2 ₂ d, and the protrusion 2 ₂ c and the tapered portion 2 ₁ b are respectively attached to the caddy guide as shown in FIG. 1 (e). The side edge plates 1 are arranged linearly above and below the width of the side edge plate 1.

The present invention has as its main part the 3.5-inch FD misinsertion preventing member 2 having the above-mentioned structure.
It operates as described below.

FIG. 4 is a view showing the dimensional relationship when the caddy 5 and the 3.5-inch FD case 4 are inserted into the caddy guide 10. As shown in Figure (a), the thickness of the caddy guide 10 matches the thickness of the caddy 5.
The thickness of the 3.5-inch FD case 4 occupies only about half of the above thickness, as shown in Fig. (B). Therefore, when the 3.5-inch FD case 4 is inserted into the caddy guide 10, the gap g remains. Become. The present invention utilizes this gap g.

5 and 6 both depend on the gap g.
FIGS. 5 and 6 are views for explaining the operation state of the erroneous insertion prevention mechanism of the 3.5-inch FD case 4, and FIGS.
It is the figure which inserts each 5 inch FD case 4,
FIG. 5 shows the state in which the caddy guide is inserted into the upper part and FIG. 6 into the lower part, respectively, and FIG. 5 (a) and FIG. FIG. 5B and FIG. 6B are views of FIG.
It is the EE sectional view of (a) and FIG. 6 (a), and FF sectional view.

As shown in FIG. 5A, a 3.5 inch FD
When inserting the case 4 along the top of the caddy guide 10, the lever 2 ₂ as shown in FIG. (B) is elastically deformed the tapered portion 2 ₂ d is a fulcrum fixed portion 2a is pushed up, Although it is pushed out of the caddy guide 10, the insertion preventing projection ₂ 2c formed on the same lever 2 ₂ at that time is also excluded from the caddy guide. However, since the inserted 3.5-inch FD case 4 has a small width (thickness), it is not possible to push up the tapered portion 2 ₁ b at the tip end portion of the lever 2 ₁ , and therefore the insertion formed on the same lever. protrusions 2 ₁ a of the prevention, it continues to exist a protruding caddy guide 10, inserted 3.5 inches FD case 4 is blocked becomes impossible.

Similarly, the 3.5-inch FD4 is a caddy guide 1
When inserted at the lower end of 0 as shown in Fig. 6 (a),
Although the same manner as above one lever 2 ₁ As lifted, the other lever 2 ₂ is not lifted, the lever 2 ₂
3.5 inch F on the protrusion 2 ₂ c of the insertion prevention
D case 4 is blocked and insertion becomes impossible.

As described above, the 3.5-inch FD case 4
Is prevented from being erroneously inserted into the caddy guide 10.

Although not described in detail, 8 cmCD
-Lever 2 when inserting caddy 5 for ROM
_Since the tips of both ₁ and the lever 2 ₂ are lifted by the caddy 5, the insertion is not blocked unlike the 3.5-inch FD case 4 described above.

[0022]

As described above, the 8 cm CD of the present invention
Since the ROM retrieval device has the 3.5-inch FD erroneous insertion prevention member, erroneous insertion of the 3.5-inch FD case can be prevented without the operator's attention, and magnetic destruction of magnetic data can be completely prevented.

[Brief description of drawings]

FIG. 1 is a diagram showing a state in which a 3.5-inch FD misinsertion preventing member according to an embodiment of the present invention is attached to a caddy guide side edge plate.

FIG. 2 is a view showing a state in which a 3.5-inch FD misinsertion preventing member having a different sectional line from FIG. 1 is attached to a caddy guide side edge plate.

FIG. 3 is a perspective view showing a main part of a lever as a 3.5-inch FD misinsertion preventing member.

FIG. 4 is a diagram showing a dimensional relationship when a caddy and a 3.5-inch FD case are inserted into a caddy guide.

FIG. 5 is a diagram illustrating an operating state of the erroneous insertion prevention mechanism of the 3.5-inch FD case according to the gap of the present invention.

FIG. 6 is a diagram for explaining an operating state of the erroneous insertion prevention mechanism of the 3.5-inch FD case according to the gap of the present invention.

FIG. 7 is a perspective view showing an appearance of a conventional 8 cm CD-ROM retrieval device.

FIG. 8: 8 used in a conventional 8 cm CD-ROM retrieval device
It is a figure which shows the caddy which contained cmCD-ROM.

9 is a perspective view of the search device showing a state in which the operation unit of FIG. 7 is opened.

FIG. 10 is a perspective view of the caddy inserted along the caddy guide in the state of FIG.

FIG. 11 is a diagram showing a 3.5-inch FD case.

[Explanation of symbols]

1 ... Caddy guide side edge plate, 2 ... 3.5 inch FD misinsertion prevention member, 2 ₁ , 2 ₂ ... Lever, 2 ₁ a, 2 ₂ c ... Projection part, 2 ₁ b, 2 ₂ d ... Tapered part, 4 … 3.5 inch F
D case, 5 ... 8 cm CD-ROM caddy, 10
… Caddy guide.

Claims (1)

[Claims] 1. In an 8 cm CD-ROM retrieval device, two levers each having a protruding portion and a tapered portion are used, and the protruding portion and the tapered portion formed on other levers are combined with each other to form the protruding portion and the tapered portion. 2 rows were formed
A 3.5-inch FD erroneous insertion prevention member is equipped with a caddy guide in which one end is fixed to a caddy guide side edge plate having a small opening through which the above-mentioned protruding portion or tapered portion projects into the caddy guide. At the time of inserting the caddy, one end of the 3.5-inch FD erroneous insertion prevention member pushes up the tapered portions of the two levers, and the protruding portion of each lever is removed outside the caddy guide side edge plate and can be inserted. Further, when the 3.5-inch FD case is inserted, one of the tapered portions of the lever is not pushed up, and the insertion is blocked by the protruding portion of the other lever in a row with the tapered portion. An 8 cm CD-ROM retrieval device characterized in that