JPH0628756A - Disk player - Google Patents
Disk playerInfo
- Publication number
- JPH0628756A JPH0628756A JP4184011A JP18401192A JPH0628756A JP H0628756 A JPH0628756 A JP H0628756A JP 4184011 A JP4184011 A JP 4184011A JP 18401192 A JP18401192 A JP 18401192A JP H0628756 A JPH0628756 A JP H0628756A
- Authority
- JP
- Japan
- Prior art keywords
- tray
- drive gear
- gear
- pin
- rack
- 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.)
- Granted
Links
Landscapes
- Feeding And Guiding Record Carriers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、コンパクトディスク、
レ−ザディスク等の円盤状記録媒体に対して信号の記
録、または再生が可能なディスクプレ−ヤのトレイ固定
機構に関するものである。The present invention relates to a compact disc,
The present invention relates to a tray fixing mechanism of a disc player capable of recording and reproducing signals on a disc-shaped recording medium such as a laser disc.
【０００２】[0002]
【従来の技術】従来、特開平３−２８６４６８号公報
（Ｇ１１Ｂ１７／０４）で小型、軽量を目的としたディ
スクプレーヤを提案している。これによれば、図５の如
くトレイ１の裏面にはトレイ出没方向に伸びるラック２
が取り付けられ、このラック２とトレイ駆動ギヤ３が噛
み合っており、トレイロ−ディング完了状態では、第３
ギヤ５の副ギヤ部１３と第４ギヤ４の小径ギヤ部１４と
の噛み合いが切り離されると共に、第３ギヤ５の凸面１
５と第４ギヤ４の凹面１６とが係合して、第４ギヤ４が
停止状態でロックされ、この状態でトレイ１もローディ
ング完了位置でロックされる機構である。2. Description of the Related Art Heretofore, Japanese Patent Laid-Open No. 3-286468 (G11B17 / 04) has proposed a disc player intended to be small and lightweight. According to this, as shown in FIG. 5, on the back surface of the tray 1, there is a rack 2 extending in the tray retracting direction.
Is attached, the rack 2 and the tray drive gear 3 mesh with each other, and when the tray loading is completed, the third
The sub gear portion 13 of the gear 5 and the small diameter gear portion 14 of the fourth gear 4 are disengaged from each other, and the convex surface 1 of the third gear 5 is separated.
5 and the concave surface 16 of the fourth gear 4 are engaged, the fourth gear 4 is locked in a stopped state, and in this state, the tray 1 is also locked at the loading completion position.
【０００３】しかしながら、この従来技術においては、
第４ギヤ４の大径ギヤ１７とトレイ駆動ギヤ３の小径ギ
ヤ１８，トレイ駆動ギヤ３の大径ギヤ１９とトレイ裏面
のラック２の噛み合い部においてバックラッシュが発生
するため、トレイロ−ディング完了時にトレイ１の位置
決めが困難となっていた。However, in this conventional technique,
Backlash occurs at the meshing portion between the large-diameter gear 17 of the fourth gear 4, the small-diameter gear 18 of the tray drive gear 3, the large-diameter gear 19 of the tray drive gear 3, and the rack 2 on the rear surface of the tray. It was difficult to position the tray 1.
【０００４】そして、このためにトレイ位置決め部材２
０を取りつけ、これにトレイ１の裏面のピン２１を圧着
する必要があった。For this purpose, the tray positioning member 2
It was necessary to attach 0 and crimp the pin 21 on the back surface of the tray 1 thereto.
【０００５】また、トレイ駆動ギヤ３、第４ギヤ４、そ
して、第３ギヤ５の順に、減速してる場合は、ローディ
ング完了位置にあるトレイ１を排出方向に引くとギヤ列
の第３ギヤ５の凸面１５と第４ギヤ４の凹面１６に増幅
された強い力がかかり破損してしまうと言う欠点があっ
た。When the tray drive gear 3, the fourth gear 4, and the third gear 5 are decelerating in this order, when the tray 1 at the loading completion position is pulled in the discharging direction, the third gear 5 in the gear train. The convex surface 15 and the concave surface 16 of the fourth gear 4 have a drawback that they are damaged by applying a strong amplified force.
【０００６】[0006]
【発明が解決しようとする課題】本発明は、上述した点
を解決するためのものであり、ギヤのバックラッシュに
関係なくトレイの位置決めが行えるディスクプレーヤを
提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and an object thereof is to provide a disc player capable of positioning a tray regardless of gear backlash.
【０００７】[0007]
【課題を解決するための手段】本発明は、円盤状記録媒
体に対して信号の記録、または再生が可能なディスクプ
レ−ヤに於て、裏面にラックとピンを有するトレイと、
該トレイに設けられたラックと係合し、上部にカム溝を
有するトレイ駆動ギヤとを備え、トレイ駆動ギヤとトレ
イ裏面のラックが噛み合い、トレイ駆動ギヤが回転する
ことによりトレイ排出位置からトレイローディング方向
にトレイが駆動され、トレイローディング完了位置付近
でトレイ駆動ギヤ上部のカム溝とトレイ裏面のピンが係
合し、トレイ駆動ギヤ上部のカムがトレイを駆動するこ
とにより、トレイ駆動ギヤとトレイ裏面のラックの噛み
合いが外れ、トレイ駆動ギヤ上部のカム溝にトレイ裏面
のピンが係合してトレイを固定することを特徴とするデ
ィスクプレーヤである。DISCLOSURE OF THE INVENTION The present invention is a disc player capable of recording or reproducing a signal on a disc-shaped recording medium, and a tray having a rack and pins on the back surface,
The tray drive gear that engages with the rack provided on the tray and has a cam groove in the upper portion is provided, and the tray drive gear and the rack on the back surface of the tray mesh with each other, and the tray drive gear rotates to cause tray loading from the tray discharge position. The tray is driven in the direction, the cam groove above the tray drive gear engages with the pin on the back of the tray near the tray loading completion position, and the cam above the tray drive gear drives the tray. The disc player is characterized in that the rack is disengaged, and the pin on the back surface of the tray engages with the cam groove in the upper part of the tray drive gear to fix the tray.
【０００８】[0008]
【作用】本発明は、上述した構成とすることにより、上
部にカム溝１１を有するトレイ駆動ギヤ３と裏面にラッ
ク２とピン１２を有するトレイ１を備え、トレイローデ
ィングすることによりトレイローディング完了位置付近
でトレイ駆動ギヤ上部のカム溝１１とトレイ裏面のピン
１２が係合し、トレイ駆動ギヤ上部のカム１１がトレイ
ローディング完了位置までトレイ１を駆動することによ
り、トレイ駆動ギヤ３の大径ギヤ１９とトレイ裏面のラ
ック２の噛み合いが外れ、トレイ駆動ギヤ上部のカム溝
１１の形状が回転中心に対し同一半径となる部分にトレ
イ裏面のピン１２が係合してることによりトレイを固定
することができる。According to the present invention, the tray driving gear 3 having the cam groove 11 on the upper portion and the tray 1 having the rack 2 and the pin 12 on the rear surface are provided by the above-mentioned structure, and the tray loading completion position is obtained by loading the tray. The cam groove 11 above the tray drive gear and the pin 12 on the back surface of the tray are engaged in the vicinity, and the cam 11 above the tray drive gear drives the tray 1 to the tray loading completion position. 19 and the rack 2 on the back of the tray are disengaged, and the tray is fixed by the pin 12 on the back of the tray engaging with the portion where the shape of the cam groove 11 on the tray drive gear has the same radius with respect to the center of rotation. You can
【０００９】[0009]
【実施例】本発明の実施例を図１、図２、図３、図４を
参照しながら説明をする。この実施例で従来技術と異な
る点は、トレイ駆動ギヤ３にカム溝１１を設け、トレイ
１に前記カム溝１１と係合するピン１２を設けた点であ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIGS. 1, 2, 3 and 4. This embodiment differs from the prior art in that the tray drive gear 3 is provided with a cam groove 11, and the tray 1 is provided with a pin 12 that engages with the cam groove 11.
【００１０】次に、動作を説明する。図１において、上
部にカム溝１１を有するトレイ駆動ギヤ３と裏面にラッ
ク２とピン１２を有するトレイ１を備え、トレイ排出位
置においてはトレイ駆動ギヤ３の大径ギヤ１９とトレイ
裏面のラック２が噛み合っており、トレイローディング
時はトレイ駆動ギヤ３の大径ギヤ１９によりトレイ１は
駆動される。Next, the operation will be described. In FIG. 1, a tray drive gear 3 having a cam groove 11 on the upper portion and a tray 1 having a rack 2 and a pin 12 on the back surface are provided, and a large-diameter gear 19 of the tray drive gear 3 and a rack 2 on the back surface of the tray 2 at a tray discharge position. Mesh with each other, and the tray 1 is driven by the large-diameter gear 19 of the tray drive gear 3 during tray loading.
【００１１】そして、トレイローディング完了位置付近
でトレイ駆動ギヤ３のカム溝１１とトレイ裏面のピン１
２が係合した状態となり、トレイ駆動ギヤ３の大径ギヤ
１９とトレイ裏面のラック２が噛み合いによるトレイロ
ーディングから、トレイ駆動ギヤ３のカム溝１１とトレ
イ裏面のピン１２の係合によるトレイローディングに替
わる。Then, in the vicinity of the tray loading completion position, the cam groove 11 of the tray drive gear 3 and the pin 1 on the back surface of the tray.
2 is engaged, and tray loading by engagement between the cam groove 11 of the tray drive gear 3 and the pin 12 on the tray back is started from the tray loading when the large diameter gear 19 of the tray drive gear 3 and the rack 2 on the tray back engage. Instead of.
【００１２】これにより、トレイ駆動ギヤ３の大径ギヤ
１９とトレイ裏面のラック２の噛み合いが外れ、トレイ
駆動ギヤ上部のカム溝１１にトレイ裏面のピン１２の係
合によるトレイローディングにより、トレイはローディ
ング完了位置まで駆動される。As a result, the large-diameter gear 19 of the tray drive gear 3 is disengaged from the rack 2 on the rear surface of the tray, and the tray is loaded by the tray loading by the engagement of the pin 12 on the rear surface of the tray with the cam groove 11 on the upper portion of the tray drive gear. Driven to the loading completion position.
【００１３】さらに、トレイ駆動ギヤが回転し、カム溝
１１の形状が回転中心に対し同一半径となる部分でトレ
イ１が固定される。Further, the tray drive gear rotates, and the tray 1 is fixed at the portion where the shape of the cam groove 11 has the same radius with respect to the center of rotation.
【００１４】[0014]
【効果】本発明によれば、トレイ駆動ギヤ上部のカム溝
１１の形状が回転中心に対し同一半径となる部分にトレ
イ裏面のピン１２が係合しているため、第４ギヤ４の大
径ギヤ１７とトレイ駆動ギヤ３の小径ギヤ１８、トレイ
駆動ギヤ３の大径ギヤ１９とトレイ裏面のラック２の噛
み合い部におけるバックラッシュに関係なく、トレイロ
−ディング完了時のトレイ１の位置決めが可能となる。According to the present invention, since the pin 12 on the rear surface of the tray is engaged with the portion where the shape of the cam groove 11 on the upper portion of the tray drive gear has the same radius with respect to the center of rotation, the large diameter of the fourth gear 4 is obtained. The tray 1 can be positioned when the tray loading is completed, regardless of the backlash in the meshing portion between the gear 17 and the small diameter gear 18 of the tray drive gear 3, the large diameter gear 19 of the tray drive gear 3 and the rack 2 on the back surface of the tray. Become.
【００１５】また、ローディング完了位置にあるトレイ
１を排出方向に引いても、トレイ駆動ギヤ３、第４ギヤ
４、そして、第３ギヤ５にギヤ回転方向の力は働かず、
第３ギヤ５の凸面１５と第４ギヤ４の凹面１６が破損す
る可能性はなくなる。Even when the tray 1 at the loading completion position is pulled in the ejection direction, no force in the gear rotation direction acts on the tray drive gear 3, the fourth gear 4, and the third gear 5.
There is no possibility that the convex surface 15 of the third gear 5 and the concave surface 16 of the fourth gear 4 will be damaged.
【図１】本発明に係るディスクプレーヤのトレイ固定機
構を表す平面図。FIG. 1 is a plan view showing a tray fixing mechanism of a disc player according to the present invention.
【図２】本発明に係るディスクプレーヤのトレイ固定機
構を表す詳細図。FIG. 2 is a detailed view showing a tray fixing mechanism of the disc player according to the present invention.
【図３】本発明に係るディスクプレーヤのトレイ固定機
構を表す詳細図。FIG. 3 is a detailed view showing a tray fixing mechanism of the disc player according to the present invention.
【図４】本発明に係るディスクプレーヤのトレイ固定機
構を表す詳細図。FIG. 4 is a detailed view showing a tray fixing mechanism of the disc player according to the present invention.
【図５】従来技術に係るディスクプレーヤのトレイ固定
機構を表す平面図。FIG. 5 is a plan view showing a tray fixing mechanism of a disc player according to a conventional technique.
１ トレイ ２ ラック ３ トレイ駆動ギヤ １１ カム溝 １２ ピン １９ 大径ギヤ 1 tray 2 rack 3 tray drive gear 11 cam groove 12 pin 19 large diameter gear
Claims (1)
たは再生が可能なディスクプレ−ヤに於て、裏面にラッ
クとピンを有するトレイと、該トレイに設けられたラッ
クと係合し、上部にカム溝を有するトレイ駆動ギヤとを
備え、トレイ駆動ギヤとトレイ裏面のラックが噛み合
い、トレイ駆動ギヤが回転することによりトレイ排出位
置からトレイローディング方向にトレイが駆動され、ト
レイローディング完了位置付近でトレイ駆動ギヤ上部の
カム溝とトレイ裏面のピンが係合し、トレイ駆動ギヤ上
部のカムがトレイを駆動することにより、トレイ駆動ギ
ヤとトレイ裏面のラックの噛み合いが外れ、トレイ駆動
ギヤ上部のカム溝にトレイ裏面のピンが係合してトレイ
を固定することを特徴とするディスクプレーヤ。1. A disc player capable of recording or reproducing a signal on or from a disc-shaped recording medium, wherein a tray having a rack and a pin on the back surface is engaged with a rack provided on the tray. , A tray drive gear having a cam groove at the top, the tray drive gear and the rack on the back of the tray mesh with each other, and the tray drive gear rotates to drive the tray in the tray loading direction from the tray ejection position to the tray loading completion position. In the vicinity, the cam groove on the top of the tray drive gear engages with the pin on the back of the tray, and the cam on the top of the tray drive gear drives the tray, which disengages the tray drive gear from the rack on the back of the tray, and the tray drive gear top A disc player, characterized in that a pin on the back surface of the tray is engaged with the cam groove of the tray to fix the tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4184011A JP2840505B2 (en) | 1992-07-10 | 1992-07-10 | Disc player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4184011A JP2840505B2 (en) | 1992-07-10 | 1992-07-10 | Disc player |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0628756A true JPH0628756A (en) | 1994-02-04 |
| JP2840505B2 JP2840505B2 (en) | 1998-12-24 |
Family
ID=16145773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4184011A Expired - Fee Related JP2840505B2 (en) | 1992-07-10 | 1992-07-10 | Disc player |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2840505B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4882603A (en) * | 1987-05-14 | 1989-11-21 | Minolta Camera Kabushiki Kaisha | Original document cover device |
-
1992
- 1992-07-10 JP JP4184011A patent/JP2840505B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4882603A (en) * | 1987-05-14 | 1989-11-21 | Minolta Camera Kabushiki Kaisha | Original document cover device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2840505B2 (en) | 1998-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0869492B1 (en) | Disc drive equipped with a disc tray | |
| US6016299A (en) | Disk loading mechanism for disk reproducing apparatus | |
| JPH0628756A (en) | Disk player | |
| JPH07169167A (en) | Front-loading disk player | |
| JPS6055548A (en) | Disk loading and unloading device | |
| US6205109B1 (en) | Sled motor mounting structure and sliding feed mechanism provided with the sled motor mounting structure | |
| JPH117689A (en) | Disk device | |
| JPH117690A (en) | Disk device | |
| KR200151060Y1 (en) | Disk player | |
| JPS61296560A (en) | Magnetic recording medium loading and ejecting device | |
| JPH0354759A (en) | Disk player | |
| JPH0437331Y2 (en) | ||
| JP2589676Y2 (en) | Locking and ejecting device for recording media of information equipment | |
| JPH042462Y2 (en) | ||
| JPH0437330Y2 (en) | ||
| JPH08106700A (en) | Disk player | |
| KR100191648B1 (en) | Loading apparatus for optical disk player | |
| JPH0510271Y2 (en) | ||
| JP2865918B2 (en) | Disc player | |
| JPH0452851Y2 (en) | ||
| JP3546772B2 (en) | Optical disk drive | |
| JP3579239B2 (en) | Disc player tray device | |
| JP2002170308A (en) | Device for driving disk turning | |
| JP2002117605A (en) | Locking mechanism for recording medium driver | |
| JPH10154366A (en) | Disk device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081016 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091016 Year of fee payment: 11 |
|
| LAPS | Cancellation because of no payment of annual fees |