JP2002093096A - Adapter for card type optical disk - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an adapter for a card type optical disk which can be mounted with the card type optical disk by extremely simple operation and does not shake the card type optical disk even after mounting. SOLUTION: A main body 1 of the same size as the size of the optical disk of 12 cm in diameter is provided with an optical disk holding hole 2 of a square shape into which the card type optical disk is fitted. The lower sides at the inner edges of the optical disk holding hole 2 are projectingly provided with optical disk receiving pieces 3, etc., and the peripheral edges in the upper parts of the optical disk holding hole 2 are projectingly provided with optical disk detaining pawls 4, 4 and 5. The optical disk holding hole 2 is set at the size at which the card type optical disk is forcibly fitted. The peripheral edges of respective corner parts 2c, etc., are provided with approximately hook-shaped slits 6 along the short side and long side of the holding hole 2. Corner frame parts 7 of a fine width are formed between the hook-shaped slits 6 and the corner parts of the optical disk holding hole 2. Both ends 6a of the hook-shaped slit and the corner parts 6b are formed to outwardly curving arcuate shapes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adapter for a business card type optical disk used for adapting a so-called card type or business card type optical disk such as CD and DVD to a disk loading device of a disk player such as a computer.

[0002] The term "disc player" used herein means not only a device for reading recorded information on an optical disc, but also
It shall be used to include a device for writing information on a CD-R, a copying machine, and the like.

[0003]

2. Description of the Related Art Conventionally, a compact disk (hereinafter referred to as a "CD") on which information is recorded has a diameter of 12 cm and a diameter of 8 cm.
Circular size of cm is standard size, but recently,
As shown in FIG. 6, similarly to a standard size CD, an 85-89 mm × 55-60 mm having a ring-shaped information recording area (83) outside the center hole (81) and the clamping area (82).
A rectangular CD of about the size has appeared. And such a CD is a business card type CD because of its size.
Alternatively, it is called a card type CD.

In order to read recorded information of a standard-size CD or the business card-type CD,
Must be set on the disc player,
It is difficult to set a business card CD as it is on an existing disk player, particularly a slot-in type disk player.

In order to accurately position a business card CD in such a disc player, it has been proposed to use a business card CD adapter (B) (see Japanese Patent Application Laid-Open No. 2000-11573).

As shown in FIGS. 4 and 5, this business card type CD adapter (B) is a standard size CD having a diameter of 12 cm.
And a rectangular disk holding hole (22) into which a business card CD (CD) is fitted in a restrained state, and a plurality of disk receiving pieces (22) below the inner edge of the disk holding hole (22). 23), (24) ... are protruded, while the disc retaining movable claws (25), (25) are protruded above the pair of short sides of the disc holding hole (22), and the disc is protruded above the long side. The locking claws (26) (26) are provided protrudingly and are made of a material having elasticity.

The mounting of the business card CD to the business card CD adapter (B) is performed as follows. First, the lower side of the short piece of the business card CD (D) is placed on the long side of the adapter for business card CD (B).
Move in the direction of the arrow X along 3), and insert it between the disk receiving pieces (24) (24) provided on the short side on the left side in the figure and the disk locking movable claw (26). Then, the movable disk-locking claw (26) provided on the right short piece portion in the figure is bent in the direction opposite to the arrow X, and the remaining short piece of the disc is replaced with the right disk receiving piece (24) (24). Place on top. Thereafter, when the force that has bent the disk locking movable claw (26) is released, the disk locking movable claw (26) is moved to the business card type CD.
(D). At this time, the optical disk locking fixing claws (27) and (27) provided on the long side portion are naturally hooked on the long side of the optical disk, and the optical disk is movable with the optical disk receiving pieces (23) (24). It is supposed to be sandwiched between the claws (26) (26) and the fixed claws (27) (27) for locking the optical disk.

[0008] Thus, when the business card type CD adapter (B) on which the business card type CD is mounted is inserted into the disc insertion slot of the slot-in type disc player, the slot is made in the same manner as the standard size 12 cm CD. It is in.

[0009]

However, in the adapter (B), the business card type CD (D) is substantially composed of the disk receiving pieces (23) (24)... And the disk locking movable claws (26) (26). ) And fixed claws for locking optical discs (27) (27)
Business card CD because it is only sandwiched between
In the vertical and horizontal directions of (D), so-called play occurs, and while playing in the player, there is slight rattling, and as a result, an unpleasant sound that can be illusioned as having some trouble in the player is generated. May be.

In mounting the disk drive, one of the disk locking movable claws (26) must be largely lifted upward, and the optical disk holder (22) is positioned above the edge of the disk holding hole (22). Since the locking pawls (27) and (27) are present, the business card-type CD (D) is further strongly inserted into the disc holding hole (d) after the raised disk locking movable pawl (26) returns to its original position. 22).

[0011] The present invention has been made to solve the above-described problems, and can be performed with extremely simple operations.
An object of the present invention is to provide an adapter for a business card optical disk which can be mounted with a business card optical disk and does not rattle the business card CD even after the mounting.

[0012]

SUMMARY OF THE INVENTION In order to achieve the above object, a business card type optical disk adapter according to the present invention has a business card type optical disk fitted to a main body formed as large as an optical disk having a diameter of 12 cm. A rectangular optical disk holding hole to be combined is provided, and an optical disk receiving piece is protruded below an inner edge of the optical disk holding hole, and an optical disk locking claw is protruded from an upper peripheral edge of the optical disk holding hole to have elasticity. In the adapter for an optical disk made of a material, the optical disk holding hole is set to a size to which a business card optical disk is forcibly fitted, and at least the short side and the long side of the holding hole are provided at the periphery of a pair of adjacent corners. A substantially hook-shaped slit is provided along the edge, and a narrow-width corner frame portion is formed between the hook-shaped slit and the corner portion of the optical disk holding hole. adopt.

According to this business card type optical disk adapter, the business card type optical disk is sandwiched between the optical disk receiving piece and the optical disk locking claw in the same manner as the conventional business card type optical disk adapter. Is fitted and held. Further, the optical disk holding hole is set to a size for forcibly fitting the business card type optical disk, and at least a hook-like shape along the short side and the long side of the holding hole is formed at least on the periphery of a pair of adjacent corners. A slit is provided, and a narrow-width corner frame portion is formed between the hook-shaped slit and the corner portion of the optical disc holding hole. When fitted, the elastic repulsion of the corner frame portion acts. Thus, the business card CD is held in the optical disk holding hole without rattling.

It is preferable that the optical disk receiving piece is provided on a long side of the optical disk holding hole, while an optical disk locking claw is provided on a short side of the optical disk holding hole. This is because the elasticity of the adapter can be used rationally when the business card optical disk is mounted on the adapter.

It is preferable that a thin portion is provided on both sides of the hook-shaped slit, one of which is flush with the upper surface of the adapter body and the other is flush with the lower surface of the adapter body. If the hook-shaped slit is made as small as possible, it is possible to prevent the corner frames on both sides of the slit from contacting with the adapter body when attaching and detaching the business card CD, so that the bending of each other is not impaired. .

Preferably, the hook-shaped slit is formed in an arc shape in which both ends and corners are curved outward. This is because unintended tearing due to bending stress at those portions can be prevented.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described based on illustrated embodiments.

FIGS. 1 to 3 show an embodiment of a business card type optical disk adapter according to the present invention. The business card type optical disk adapter (A) is made of an elastic synthetic resin such as ABS. The adapter body (1) is formed in the same size and thickness as a standard size 12 cm CD, and the center of the adapter body (1) is 85 mm in length and width.
A disk holding hole (2) for holding a business card type CD (D) of 53 mm in a restricted state is provided.

Each of the disc holding holes (2) has an inner edge whose length and width are about 0.02 times larger than those of the business card type CD (D).
mm, the business card type CD (D) is formed to have a size that can be forcibly fitted thereto, and the front of a later-described corner frame portion (7) of a pair of long sides (2b) and (2b) facing each other. Disk receiving pieces (3) are provided at the lower part thereof. Further, a pair of right and left optical disc locking claws (4) (4) is provided on the upper front part of the corner frame (7) of one short piece (2a).
Are protruding. Also, at the center of the other short side (2a), an optical disk locking claw (5) protruding about 0.2 mm toward the opposing short piece (2a) protrudes, and the optical disk locking claw (5) is provided. The leading edge of 5) is the opposite short piece (2a)
It is formed in the shape of an arc that curves toward.

A substantially hook-shaped slit (2) extending along the short side (2a) and the long side (2b) of the disc holding hole (2) is formed around the corners (2c) of the disc holding hole (2). 6) is provided, and a narrow corner frame portion (7) is formed between the hook-shaped slit (6) and the corner portion (7) of the optical disk holding hole (2).

The hook-shaped slit (6) is formed in an arc shape in which both ends (6a) and corners (6b) are curved outward. On both sides of the hook-shaped slit (6), the corner frame (7) is provided with a thin portion (9) whose lower surface is flush with the lower surface of the disk body, while the disk body (1) is A thin portion (8) whose upper surface is flush with the upper surface of the disk body (1) is provided.

The procedure for mounting the business card type optical disc (D) to the business card type optical disc adapter (A) having the above configuration will now be described. First, one short piece of the business card type CD (D) is shown in FIG. As shown in a), the optical disk receiving portions (3) and (3) corresponding to the pair of optical disk locking claws (4) and (4) serve as guide portions, and are located below the optical disk locking claws (4) and (4). The other short piece is positioned above the other optical disc locking claw (5) while being sunk into. Next, when the business card type optical disc (D) is pushed down in the direction indicated by arrow Y, the business card type optical disc (D) receives the repulsion of the optical disc locking claw (5), and one end of the business card type optical disc (D) is connected to the other end of the optical disc holding hole (2). Press the inner edge of the short piece. By this pressing,
Since the corner frame portions (7) and (7) are deformed toward the slits (6) and (6), and the business card optical disk (D) slightly moves in the direction of the arrow X, the business card optical disk (D) is directly engaged with the optical disk. When pressed down against the repulsion of the pawl (5), the business card optical disk (D) is forcibly fitted into the optical disk holding hole (2) as shown in FIG.
Under this fitted state, the elastic repulsive force of each corner frame (7) acts in the direction of arrow Z, thereby preventing the optical disc (D) from rattling.

In the above-described embodiment, only one optical disc locking claw (5) is provided at the center of one short piece of the optical disc holding hole (2). Similarly, two may be provided at symmetric positions.

[0024]

As described above, the adapter (A) for a business card type optical disk according to the present invention has a business card type optical disk (D) fitted to a main body (1) formed as large as an optical disk having a diameter of 12 cm. An optical disk holding hole (2) is provided, and optical disk receiving pieces (3) and (3) are protruded below an inner edge of the optical disk holding hole (2), while an optical disk is provided at an upper peripheral edge of the optical disk holding hole (2). Claws for locking (4)
(4) Since (5) is made of a material having elasticity by protruding, the same as in the conventional business card type optical disk adapter (B), the optical disk holding hole (2) has the following characteristics.
The business card type optical disk (D) is sandwiched between the optical disk receiving pieces (3)... And the optical disk locking claws (4), (4), (5), and there is no danger of removal.

In addition, the optical disk holding hole (2)
Is set to a size in which the business card optical disk (D) is forcibly fitted, and at least the short side (2) of the holding hole (2) is provided at the periphery of a pair of adjacent corners (2c) (2c).
a) and a substantially hook-shaped slit (6) along the long side (2b)
And a narrow corner frame (7) is formed between the hook-shaped slit (6) and the corner (2c) of the optical disk holding hole (2). (7) The business card type optical disc (D) is formed in the optical disc holding hole (2) by the elastic repulsive force of
The rattling of the card in the horizontal direction is completely prevented, and unpleasant sounds caused by rattling of the business card type optical disc (D) during operation in the disc player as in the conventional adapter (B) may be generated. Absent.

The optical disk receiving pieces (3) are provided on the long sides (2b) and (2b) of the optical disk holding hole (2), while the optical disk locking claws (4) and (5) are provided with the optical disk holding hole (2). ) Is provided on the short side (2a) of
The elasticity of the adapter (A) can be used rationally, and the business card optical disk (D) can be easily mounted on the adapter (A) and a strong fitting state can be realized.

On both sides of the hook-shaped slit (6), thin portions (8) (9), one of which is flush with the upper surface of the adapter body (1) and the other is flush with the lower surface of the adapter body (1). In the case where the hook-shaped slit is as small as possible, the corner frame on both sides of the slit and the adapter body are prevented from contacting each other when the business card CD is attached or detached, so that the hook-shaped slit is bent. The song can be intact.

Both ends (6a) (6) of the hook-shaped slit (6)
In the case where the a) and the corner portion (6b) are formed in an arc shape that curves outward, unintended tearing due to bending stress in those portions can be prevented.

[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment of a business card type optical disk adapter according to the present invention.

2A is a cross-sectional view taken along the line II of FIG. 1, and FIG.
FIG. 1C is a sectional view taken along line II-II, and FIG. 3C is a sectional view taken along line III-III in FIG.

3A is a cross-sectional view of a business card-type optical disc being mounted on an adapter, and FIG. 3B is a cross-sectional view at the time of mounting.

FIG. 4 is a plan view of a conventional adapter.

FIG. 5 is a bottom view of a conventional adapter.

FIG. 6 is a plan view of a business card CD.

[Explanation of symbols]

 A: Business card-type optical disk adapter D: Business card-type optical disk 1 ... Business card-type optical disk adapter 2: Optical disk holding hole 2a: Short side of optical disk holding hole 2b: Long side of optical disk holding hole 2c: Corner of optical disk holding hole DESCRIPTION OF SYMBOLS 3 ... Optical disk receiving piece 4, 5 ... Optical disk locking claw 6 ... Hook-shaped slit 6a ... End part of hook-shaped slit 6b ... Corner part of hook-shaped slit 7 ... Corner frame part 8, 9 ... Thin part

Claims (4)

[Claims] 1. A main body (1) having the same size as an optical disk having a diameter of 12 cm is provided with a rectangular optical disk holding hole (2) into which a business card optical disk (D) is fitted. Optical disk receiving piece (3) below the inner edge of
(3)... While the optical disk holding hole (2) is provided with an optical disk locking claw (4) (5) at the upper peripheral edge thereof. The optical disc holding hole (2) is set to a size that allows the business card type optical disc (D) to be forcibly fitted, and is provided at least on the periphery of a pair of adjacent corner portions (2c) (2c). ) Short side (2a) and long side (2b)
And a substantially narrow corner frame portion (7) is formed between the hook-shaped slit (6) and the corner portion (2c) of the optical disk holding hole (2). An adapter for a business card optical disk, wherein the adapter is provided. The optical disk receiving pieces (3) are provided on the long sides (2b) (2b) of the optical disk holding hole (2), while the optical disk locking claws (4) (5) are provided with the optical disk holding holes. The business card type optical disk adapter according to claim 1, wherein the adapter is provided on the short side (2a) of (2). 3. On both sides of the hook-shaped slit (6), one is flush with the upper surface of the adapter body (1), and the other is a thin portion (8) (9) flush with the lower surface of the adapter body (1). )
The adapter for a business card optical disk according to claim 1, wherein the adapter is provided. 4. The hook-shaped slit (6) has both ends (6).
4. The adapter for a business card optical disk according to claim 1, wherein a) (6a) and the corner portion (6b) are formed in an arc shape curved outward.