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JP3377189B2 - Disk cleaning mechanism - Google Patents

Disk cleaning mechanism

Info

Publication number
JP3377189B2
JP3377189B2 JP2000102056A JP2000102056A JP3377189B2 JP 3377189 B2 JP3377189 B2 JP 3377189B2 JP 2000102056 A JP2000102056 A JP 2000102056A JP 2000102056 A JP2000102056 A JP 2000102056A JP 3377189 B2 JP3377189 B2 JP 3377189B2
Authority
JP
Japan
Prior art keywords
disk
brush
recording
pickup
disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2000102056A
Other languages
Japanese (ja)
Other versions
JP2001291361A (en
Inventor
和人 北川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Funai Electric Co Ltd
Original Assignee
Funai Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Funai Electric Co Ltd filed Critical Funai Electric Co Ltd
Priority to JP2000102056A priority Critical patent/JP3377189B2/en
Publication of JP2001291361A publication Critical patent/JP2001291361A/en
Application granted granted Critical
Publication of JP3377189B2 publication Critical patent/JP3377189B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、ディスクの記録部
に付着した埃をブラシに発生した静電気によって除去し
てクリーニングするようにしたディスクのクリーニング
機構に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk cleaning mechanism for removing dust adhering to a recording portion of a disk by static electricity generated by a brush for cleaning.

【0002】[0002]

【従来の技術】一般にディスクに埃や汚れ等が付着する
と、ローディング中のフォーカス落ち等の不都合が起き
ていた。そこで、従来のディスクのクリーニング機構と
して、例えば、実開昭58−135019号に記載され
たディスクのゴミ取り装置がある。これは、図2(a)
(b)に示すように、ディスク102に記録された信号
をピックアップ104により再生するプレーヤ101の
ピックアップ104を保持するピックアップ保持体10
5に、ディスク102の信号再生時、ディスク102の
信号記録面に付着したゴミを収めるブラシ状体107を
設けたものである。ところが、これにおいては、ディス
ク102の信号記録面にブラシ状体107を接しさせて
ディスク102の信号記録面のゴミを収めるようにして
いるので、ディスク102の信号記録面にブラシ状体に
よる傷が生じることがあるという問題があった。
2. Description of the Related Art Generally, when dust or dirt adheres to a disk, there is a problem such as focus loss during loading. Therefore, as a conventional disk cleaning mechanism, for example, there is a disk dust removing device described in Japanese Utility Model Laid-Open No. 58-135019. This is shown in Figure 2 (a).
As shown in (b), the pickup holder 10 that holds the pickup 104 of the player 101 that reproduces the signal recorded on the disc 102 by the pickup 104.
5 is provided with a brush-like body 107 for accommodating dust adhering to the signal recording surface of the disc 102 when reproducing the signal from the disc 102. However, in this case, since the brush-like body 107 is brought into contact with the signal recording surface of the disc 102 to contain the dust on the signal recording surface of the disc 102, scratches due to the brush-like body on the signal recording surface of the disc 102 are caused. There was a problem that it might occur.

【0003】[0003]

【発明が解決しようとする課題】本発明は、上記従来の
問題を解消し、ディスクの下面の記録部に傷を付けるこ
となく、この記録部に付着した埃や汚れ等を再生中に除
去してクリーニングすることができて、ディスクの記録
部のほこりや汚れ等によるフォーカス落ち等の不具合を
低減することができるディスクのクリーニング機構を提
供することを目的としている。
SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the prior art, and removes dust, dirt, etc. adhering to the recording portion of the lower surface of the disc during reproduction without damaging the recording portion. It is an object of the present invention to provide a disk cleaning mechanism that can be cleaned by means of cleaning, and can reduce problems such as focus loss due to dust and dirt on the recording portion of the disk.

【0004】[0004]

【課題を解決するための手段】上記課題を解決するため
に、請求項1に記載の発明は、回転駆動されるディスク
の下側に設けられてディスクの直径方向に移動するピッ
クアップ部の上面の一方側に、上端部にブラシ部を有す
るブラシ体を立設し、このピックアップ部の下面側にこ
のピックアップ部を上下動させる上下動機構を設けて、
前記ピックアップ部に立設された前記ブラシ体が前記デ
ィスクの中心部の非記録部の下側に位置するときには、
前記上下動機構によって前記ピックアップ部を上側に移
動して、前記ブラシ体のブラシ部を前記ディスクの中心
部の非記録部に接触させたまま、前記ディスクを回転さ
せることによってこのブラシ部に静電気を発生させ、前
記ブラシ体が前記ディスクの前記非記録部の外周端部分
から最外周端側に向けて形成された記録部の下側に位置
するときには、前記上下動機構によって前記ピックアッ
プ部を若干下側に移動して、前記ブラシ体のブラシ部を
前記ディスクの下面の記録部の近傍箇所に位置させて、
前記ブラシ部で発生された静電気によって、前記ディス
クの下面に付着した埃をブラシ部側に移動付着させて、
前記ディスクの下面の埃を除去してクリーニングするよ
うに構成したことを特徴としている。請求項2に記載の
発明は、前記上下動機構が前記ピックアップ部の下面に
接する回転カムで構成されていることを特徴としてい
る。
In order to solve the above-mentioned problems, the present invention according to claim 1 provides an upper surface of a pickup portion which is provided on the lower side of a rotationally driven disk and moves in the radial direction of the disk. On one side, a brush body having a brush section at the upper end is erected, and a vertical movement mechanism for vertically moving the pickup section is provided on the lower surface side of the pickup section.
When the brush body erected on the pickup section is located below the non-recording section at the center of the disc,
By moving the pickup portion upward by the vertical movement mechanism and rotating the disc while keeping the brush portion of the brush body in contact with the non-recording portion in the central portion of the disc, static electricity is applied to the brush portion. When the brush body is located below the recording portion formed from the outer peripheral end portion of the non-recording portion of the disc toward the outermost peripheral end side, the vertical movement mechanism lowers the pickup portion slightly. By moving to the side, the brush portion of the brush body is located in the vicinity of the recording portion of the lower surface of the disc,
Due to the static electricity generated in the brush portion, the dust attached to the lower surface of the disk is moved and attached to the brush portion side,
It is characterized in that dust is removed from the lower surface of the disk for cleaning. The invention according to claim 2 is characterized in that the vertical movement mechanism is composed of a rotary cam that is in contact with the lower surface of the pickup portion.

【0005】[0005]

【発明の実施の形態】以下、本発明に係るディスクのク
リーニング機構の実施の形態について、図を参照しつつ
説明する。図1は本発明の実施形態のディスクのクリー
ニング機構を備えたディスク装置の内部構造を示し、
(a)はディスクの記録面のクリーニングを行う時の状
態を示す概略正面図、(b)はディスクの非記録面にブ
ラシ体のブラシ面を接しさせてこのブラシ面に埃除去用
の静電気を発生させているときの状態を示す概略正面図
である。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a disk cleaning mechanism according to the present invention will be described below with reference to the drawings. FIG. 1 shows the internal structure of a disk device equipped with a disk cleaning mechanism according to an embodiment of the present invention.
(A) is a schematic front view showing a state in which the recording surface of the disc is cleaned, and (b) shows the brush surface of the brush body in contact with the non-recording surface of the disc, and the brush surface is charged with static electricity for dust removal. It is a schematic front view which shows the state at the time of making it generate | occur | produce.

【0006】本実施形態のディスクのクリーニング機構
は、図1(a)(b)に示すように、駆動モータ1の回
転軸2に装着されて回転駆動されるディスク3の下側
に、ディスク3の直径方向に移動するピックアップ部4
が設けられ、このピックアップ部4の上面の一方側に、
上端部にブラシ部51を有するブラシ体5が立設されて
いる。更に、このピックアップ部4の下面側に、ピック
アップ部4を上下動させる回転カム6からなる上下動機
構が設けられている。
As shown in FIGS. 1 (a) and 1 (b), the disk cleaning mechanism of this embodiment has a disk 3 below the disk 3 mounted on the rotary shaft 2 of the drive motor 1 and driven to rotate. Pickup part 4 moving in the diametrical direction
Is provided on one side of the upper surface of the pickup unit 4,
A brush body 5 having a brush portion 51 at the upper end is erected. Further, on the lower surface side of the pickup section 4, a vertical movement mechanism including a rotary cam 6 for vertically moving the pickup section 4 is provided.

【0007】そして、図1(b)に示すように、ピック
アップ部4に立設されたブラシ体5がディスク3の中心
部の非記録部31の下側に位置するときには、回転カム
6からなる上下動機構によってピックアップ部4を上側
に移動して、ブラシ体5のブラシ部51を回転している
ディスク3の非記録部31に接触させてこのブラシ部5
1に静電気を発生させる。この状態から、図1(a)に
示すように、ピックアップ部4が図にて右側に移動し
て、ブラシ体5がディスク3の記録部32の下側に位置
するときには、回転カム6からなる上下動機構によって
ピックアップ部4を若干下側に移動して、ブラシ体5の
ブラシ部51を回転しているディスク3の下面の記録部
32の近傍箇所に位置させて、ブラシ部51で発生され
た静電気によって、ディスク3の下面に付着した埃をブ
ラシ部51側に移動付着させて、ディスク3の下面の埃
を除去してクリーニングするように構成している。
Then, as shown in FIG. 1B, when the brush body 5 erected on the pickup section 4 is located below the non-recording section 31 at the center of the disk 3, it comprises a rotary cam 6. The pick-up unit 4 is moved upward by the vertical movement mechanism to bring the brush unit 51 of the brush body 5 into contact with the non-recording unit 31 of the rotating disc 3 to bring the brush unit 5 into contact.
1. Generate static electricity. From this state, as shown in FIG. 1A, when the pickup unit 4 moves to the right side in the drawing and the brush body 5 is located below the recording unit 32 of the disk 3, the rotating cam 6 is formed. The pick-up unit 4 is moved slightly downward by the vertical movement mechanism so that the brush unit 51 of the brush body 5 is positioned near the recording unit 32 on the lower surface of the rotating disk 3 and generated by the brush unit 51. Also, the dust on the lower surface of the disk 3 is moved and attached to the brush portion 51 side by the static electricity to remove the dust on the lower surface of the disk 3 for cleaning.

【0008】従って、本実施形態のディスクのクリーニ
ング機構によれば、静電気が発生したブラシ体5のブラ
シ部51をデスク3の下面の記録部32の近傍箇所に位
置させて、ブラシ部51をディスク3の下面の記録部3
2に接することなくこのブラシ部51の静電気でディス
ク3の下面に付着した埃を除去できるので、ディスク3
の下面の記録部32に傷を付けることなく記録部32に
付着した埃や汚れ等を再生中に除去してクリーニングす
ることができて、ディスク3の記録部32のほこりや汚
れ等によるフォーカス落ち等の不具合を低減することが
できる。また、上下動機構として回転カム6を用いてい
るので、ピックアップ部4を確実に上下動することがで
きてこのピックアップ部4に立設されたブラシ体5を正
確に上下動することができるとともに、構造を簡単化す
ることができて、コストダウンを図ることができる。
Therefore, according to the disk cleaning mechanism of the present embodiment, the brush portion 51 of the brush body 5 where static electricity is generated is located on the lower surface of the desk 3 in the vicinity of the recording portion 32, and the brush portion 51 is moved to the disk. Recording part 3 on the underside of 3
Since the dust adhering to the lower surface of the disk 3 can be removed by the static electricity of the brush portion 51 without touching the disk 2,
It is possible to remove dust and dirt adhering to the recording portion 32 during playback without damaging the recording portion 32 on the lower surface of the disk, and to clean the recording portion 32, thereby defocusing the recording portion 32 of the disk 3 due to dust and dirt. It is possible to reduce problems such as Further, since the rotary cam 6 is used as the vertical movement mechanism, the pickup unit 4 can be reliably moved up and down, and the brush body 5 erected on the pickup unit 4 can be accurately moved up and down. The structure can be simplified and the cost can be reduced.

【0009】[0009]

【発明の効果】以上説明したように、請求項1に記載の
発明によれば、ピックアップ部の上面の一方側に立設さ
れたブラシ体のブラシ部を、ピックアップ部の移動と上
下動機構によってディスクの中心部の非記録部に接しさ
せて、このブラシ部に静電気を発生させ、この状態でピ
ックアップ部を移動させるとともにブラシ体を上下移動
機構で若干下側に移動させて、ディスクの下面の記録部
の近傍箇所に位置させて、このディスクの下面の記録部
に付着した埃や汚れをブラシ部の静電気でブラシ部側に
付着させて除去してクリーニングするようにしたので、
ブラシ部がディスクの下面の記録部に接することなく記
録部に付着した埃や汚れを除去できて、ディスクの下面
の記録部に傷を付けることなく記録部に付着した埃や汚
れ等を再生中に除去してクリーニングすることができ
て、ディスクの記録部のほこりや汚れ等によるフォーカ
ス落ち等の不具合を低減することができる。
As described above, according to the first aspect of the present invention, the brush portion of the brush body erected on one side of the upper surface of the pickup portion is moved by the movement of the pickup portion and the vertical movement mechanism. The brush is brought into contact with the non-recording area at the center of the disc to generate static electricity, and in this state the pickup is moved and the brush body is moved slightly downward by the vertical movement mechanism, Since it is located near the recording unit, dust and dirt adhering to the recording unit on the lower surface of the disc is attached to the brush unit side by static electricity of the brush unit to remove and clean it.
Dust and dirt adhering to the recording section can be removed without the brush section coming into contact with the recording section on the lower surface of the disc, and dust or dirt etc. adhering to the recording section can be reproduced without damaging the recording section on the lower surface of the disc. It can be removed and cleaned, and defects such as focus loss due to dust and dirt on the recording portion of the disc can be reduced.

【0010】請求項2に記載の発明によれば、ピックア
ップ部の下面に接する回転カムで上下動機構を構成した
ので、ピックアップ部を確実に上下動することができて
このピックアップ部に立設されたブラシ体を正確に上下
動することができるとともに、構造を簡単化することが
できて、コストダウンを図ることができる。
According to the second aspect of the present invention, since the rotating cam contacting the lower surface of the pickup portion constitutes the vertical movement mechanism, the pickup portion can be surely moved up and down and is erected on this pickup portion. The brush body can be accurately moved up and down, the structure can be simplified, and the cost can be reduced.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の実施形態のディスクのクリーニング機
構を備えたディスク装置の内部構造を示し、(a)はデ
ィスクの記録面のクリーニングを行う時の状態を示す概
略正面図、(b)はディスクの非記録面にブラシ体のブ
ラシ面を接しさせてこのブラシ面に埃除去用の静電気を
発生させているときの状態を示す概略正面図である。
FIG. 1 shows an internal structure of a disk device including a disk cleaning mechanism according to an embodiment of the present invention, (a) is a schematic front view showing a state when a recording surface of a disk is cleaned, and (b) is a view. FIG. 4 is a schematic front view showing a state in which the brush surface of the brush body is brought into contact with the non-recording surface of the disc to generate static electricity for dust removal on the brush surface.

【図2】従来のディスクのゴミ取り装置を示し、(a)
はその平面図、(b)はその側面図である。
FIG. 2 shows a conventional disc dust removing device, (a)
Is a plan view thereof, and (b) is a side view thereof.

【符号の説明】[Explanation of symbols]

3 ディスク 31 非記録部 32 記録部 4 ピックアップ部 5 ブラシ体 51 ブラシ部 6 回転カム(上下動機構) 3 discs 31 Non-recording section 32 recording section 4 Pickup part 5 brush body 51 Brush section 6 Rotating cam (vertical movement mechanism)

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 回転駆動されるディスクの下側に設けら
れてディスクの直径方向に移動するピックアップ部の上
面の一方側に、上端部にブラシ部を有するブラシ体を立
設し、このピックアップ部の下面側にこのピックアップ
部を上下動させる上下動機構を設けて、前記ピックアッ
プ部に立設された前記ブラシ体が前記ディスクの中心部
の非記録部の下側に位置するときには、前記上下動機構
によって前記ピックアップ部を上側に移動して、前記ブ
ラシ体のブラシ部を前記ディスクの中心部の非記録部に
接触させたまま、前記ディスクを回転させることによっ
このブラシ部に静電気を発生させ、前記ブラシ体が前
記ディスクの前記非記録部の外周端部分から最外周端側
に向けて形成された記録部の下側に位置するときには、
前記上下動機構によって前記ピックアップ部を若干下側
に移動して、前記ブラシ体のブラシ部を前記ディスクの
下面の記録部の近傍箇所に位置させて、前記ブラシ部で
発生された静電気によって、前記ディスクの下面に付着
した埃をブラシ部側に移動付着させて、前記ディスクの
下面の埃を除去してクリーニングするように構成したこ
とを特徴とするディスクのクリーニング機構。
1. A brush body having a brush section at its upper end is erected on one side of an upper surface of a pickup section provided on the lower side of a rotationally driven disk and moving in the diametrical direction of the disk. An up-and-down moving mechanism for vertically moving the pickup section is provided on the lower surface side of the disk, and when the brush body erected on the pickup section is located under the non-recording section at the center of the disk, the up-and-down movement is performed. The pickup unit is moved upward by a mechanism so that the brush portion of the brush body becomes the non-recording portion at the center of the disc.
By rotating the disc while in contact
The static electricity is generated on the brush portion Te, outermost end from an outer peripheral end portion of the brush body is the non-recording portion of the disc
When it is located below the recording section formed toward
By moving the pickup portion slightly downward by the vertical movement mechanism, the brush portion of the brush body is positioned in the vicinity of the recording portion on the lower surface of the disk, and static electricity generated by the brush portion causes A disk cleaning mechanism, characterized in that dust adhered to the lower surface of the disk is moved and adhered to the brush portion side to remove the dust on the lower surface of the disk for cleaning.
【請求項2】 前記上下動機構が前記ピックアップ部の
下面に接する回転カムで構成されていることを特徴とす
る請求項1に記載のディスクのクリーニング機構。
2. The disk cleaning mechanism according to claim 1, wherein the vertical movement mechanism is composed of a rotary cam that is in contact with the lower surface of the pickup unit.
JP2000102056A 2000-04-04 2000-04-04 Disk cleaning mechanism Expired - Fee Related JP3377189B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000102056A JP3377189B2 (en) 2000-04-04 2000-04-04 Disk cleaning mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000102056A JP3377189B2 (en) 2000-04-04 2000-04-04 Disk cleaning mechanism

Publications (2)

Publication Number Publication Date
JP2001291361A JP2001291361A (en) 2001-10-19
JP3377189B2 true JP3377189B2 (en) 2003-02-17

Family

ID=18616000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000102056A Expired - Fee Related JP3377189B2 (en) 2000-04-04 2000-04-04 Disk cleaning mechanism

Country Status (1)

Country Link
JP (1) JP3377189B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210078892A1 (en) * 2018-06-22 2021-03-18 AGC Inc. Heater, manufacturing apparatus for manufacturing glass article, and manufacturing method for manufacturing glass article

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210078892A1 (en) * 2018-06-22 2021-03-18 AGC Inc. Heater, manufacturing apparatus for manufacturing glass article, and manufacturing method for manufacturing glass article

Also Published As

Publication number Publication date
JP2001291361A (en) 2001-10-19

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