JPS5848055U

JPS5848055U - Tape recorder drive mechanism

Info

Publication number: JPS5848055U
Application number: JP14094481U
Authority: JP
Inventors: 清二冨田
Original assignee: 株式会社東芝
Priority date: 1981-09-22
Filing date: 1981-09-22
Publication date: 1983-03-31
Also published as: JPH0333959Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１及び第２図はそれぞれこの考案の適用されたカセッ
トテープレコーダを示す正面側斜視図及び裏面側斜視図
、第３図は第２図からサブシャーシ及びフライホイール
を取り除いた状態を示す裏面側斜視図、第４図は同カセ
ットテープレコーダにおけるテープ走行の正逆切換機構
の基本構成を□　　　　示す構成図、第５図及び第６図
はそれぞれ同正逆切換機構の動作説明図、第７図、ａ、
ａは同正逆切換機構に連動するヘッド回転機構を示す外
観図及び動作説明図、第８図はＰＬＡＹ（Ｒ）及び（Ｆ
）操作レバーと第１及び第２６０ツク板との関係を示す
構成図、第９図は第８図の動作説明図、第１０図はＰＬ
ＡＹ（Ｒ）操作レバーのロック機構を示す構成図、第１
１図ａ、　　ｂはそれぞれ同ロック機構の動作説明図、
第１２図ａ、　　ｂはそれぞれ従来のロック機構を示す
構成図及び説明図、第１３図６１第４図で示した正逆切
換機構中の歯車の噛合状態を示す分解斜視図、第１４図
は同歯車の噛合位置を決める手段を示す構成図、第１５
図ａ乃至Ｃはそれぞれ同歯車の位置決め手段の変形例を
示す斜視図、第１６図は同歯車の位置決め手段の他の例
を示す分　・解斜親図、第１７図はテープ走行駆動機構
を示す構晟図、第１８図は同テープ走行駆動機構の動作
説明図、第１９図はＡＳＯ機構を示す構成図、第２０図
は同ＡＳＯ機構の要部を拡大して示す側断面図、第２１
図乃至第２４″図はそれぞれ同ＡＳＯ機構の動作説明図
、第２５゛図は従来のＡＳＯ機構を示す構成図、第２６
図は第１９図に示すＡＳＯ機構を原理的に示す説明図、
第２７図はオートリバース回数制限及びマニュアルリバ
ース用の操作　　″レバーを示す構成図、第２８図は同
操作レバーの動作説明図、第２９図はＲＦＣ操作レバー
のロック機構を示す構成図、第３０図及び第３１図はそ
れぞれ同ロック機構の動作説明図、第３２図は同ロック
機構の他の例を示す構成図、第３３図は第１７図に示す
テープ走行駆動機構のうちテープ高速走行駆動機構の高
速レバーを示す分解斜視図、第３４図は同高速レバーの
組立てを説明する分解斜視図、第３５図は同高速レバー
を用いたテープ高速走行駆動機構を示す構成図、第３６
図は従来のテープ高速走行駆動機構を示す構成図、第３
７図及び第３８図はこの考案に係るテープレコーダの駆
動機構の一実施例を示すもので、それぞれ第３５図に示
すテープ高速走行機駆動機構の高速駆動レバーと軸との
嵌合状態を示す分解斜視図及び側断面図、第３９図ａ、
　　ｂはそれぞれ同高速駆動レバーと高速歯車との連結
状態を示す分解斜視図及び側断面図、第４０図ａ、　　
ｂは従来の連結状態を示す分解斜視図及び側断面図、第
４１図は第３９図に示す連結状態の変形例を示す斜視図
、第４゛２図はフライホイールの軸受けをサブシャ〜　
シに取付ける状態を示す分解斜視図、第４３図は同フラ
イホイールと軸受けの関係を示す側断面図、第４４図ａ
、　　ｂはそれぞれ同軸受けの説明図、第４５図は従来
のフライホイールの軸受は構造を示す側断面図、第４６
図はＰＡＵＳＥ操作子のブツシュ−ブツシュ機構を示す
構成図、第４７図ａ、　　ｂはそれぞれ同ブツシュ−ブ
ツシュ機構の要部を示す正面図及び側面図、第４８図は
同ブツシュ−ブツシュ機構の動作説明図、第４９図ａ、
　　ｂはそれぞれ同ブツシュ−ブツシュ機構の要部の変
形例を示す斜視図、第５０図はＡＳＯレバーを板ばねで
支持する状態を示す分解斜視図、第５１図は板ばねの取
付けを示す分解斜視図、第５２図はカセット蓋ロツーク
スライダを示す分解斜視図、第５３図ａ乃至Ｃはそれぞ
れ同カセット蓋ロックスライダの取付けを示す側断面図
である。１・・・メイレシャーシ、２・・・操作部、３・・・ヘ
ッドスライダ、４・・・録再ヘッド、５．６・・・ピン
チローラ、７，８・・・キャプスタン、９・・・ヘッド
移動機構、１０・・・左リール台、１１・・・右リール
台、１２・・・テープカウンタ、１３・・・モータ、１
４．１５・・・操作レバー、１６・・・カセット蓋ロッ
クスライタ、１７・・・柱状体、１８・・・サブシャー
シ、１９．２０・・・フライホイール、２１１，２１２
・・・軸受け、２２・・・テープ走行駆動機構、２３・
・・ＲＥＣロック機構、２４・・・ＡＳＯ機構、２５・
・・左再生スライダ、２６・・・右再生スライダ、２７
・・・リバース駆動レバー、２８・・・歯車、２９・・
・ロックレバ−１３０・・・制御スライダ、３１・・・
駆動スライダ、３２・・・消去ヘッド、３３・・・ヘッ
ド支持体、３４・・・ヘッド取付構体、３５・・・ヘッ
ド台板、３６・・・歯車、３７・・・扇状歯車、３８・
・・テープ、３９・・・接続線、４０・・・矢印、４１
・・・トーションスプリング、４２・・・ＰＬＡＹ（Ｒ
）操作レバー、４３・・・ＰＬＡＹ（Ｆ）操作レバー、
４４・・・第１のロック板、４５・・・第２のロック板
、４６・・田ツク部材、４７・・・第１の歯車、４８・
・・第２の歯車、４９１・・・凹部、４９２・・・段部
、４９３・・・溝、５０１・・・左巻取歯車、５０２・
・・右巻取歯車、５１・・・左巻取レバー、５２・・・
右巻取レバー、５３１゜５３２・・・ピンチレバー、５
４・・・高速駆動レバー、５５・・・高速操作レバー、
５６・・・ＲＥＷ操作レバー、５７・・・・・・ＦＦ操
ｆＦレバー、５８・・・高速スライダ１．５９・・−Ａ
ＳＯレバー、６０・・・検出レバー、６１・・・解除レ
バー、６２・・・ＡＳＯセレク−トレバー、６４・・・
板ぼね、６５・・・ＲＥＣストップレバー、６６・・・
ＲＥＣ制御レバー、６７・・・スイッチレバー、６８・
・・ＲＥＣ操作レバー、７５・・・ＰＡＵＳＥ操作レバ
ー、７６・・・ＰＡＵＳＥ　ロック部材、７７・・・板
ばね、７８・・・可動部品、−７９・・・嵌合部。第１２図（ａ）　　　　　　　　（ｂ）第１４図＠１３ｉＺ　　ｌ、−別４゜第１５図第４４図　　　− ２１３２１１Figures 1 and 2 are a front perspective view and a rear perspective view, respectively, showing a cassette tape recorder to which this invention is applied, and Figure 3 is a rear side view with the subchassis and flywheel removed from Figure 2. A perspective view, FIG. 4 is a configuration diagram showing the basic configuration of the forward/reverse switching mechanism for tape running in the cassette tape recorder, FIGS. 5 and 6 are explanatory diagrams of the operation of the forward/reverse switching mechanism, respectively, and FIG. 7 ,a,
a is an external view and an operation explanatory diagram showing the head rotation mechanism interlocked with the forward/reverse switching mechanism, and FIG.
) A configuration diagram showing the relationship between the operating lever and the 1st and 260th pick plates, Figure 9 is an explanatory diagram of the operation of Figure 8, and Figure 10 is the PL
Configuration diagram showing the locking mechanism of the AY(R) operating lever, 1st
Figures 1a and 1b are explanatory diagrams of the operation of the same locking mechanism, respectively.
12a and 12b are a configuration diagram and an explanatory diagram showing a conventional locking mechanism, respectively, FIG. 13 is an exploded perspective view showing the meshing state of gears in the forward/reverse switching mechanism shown in FIG. 4, and FIG. 15th block diagram showing a means for determining the meshing position of the same gear
Figures a to C are perspective views showing modified examples of the positioning means for the same gear, Figure 16 is an exploded perspective view showing another example of the positioning means for the same gear, and Figure 17 is a perspective view showing the tape running drive mechanism. 18 is an operational explanatory diagram of the tape running drive mechanism, FIG. 19 is a configuration diagram showing the ASO mechanism, FIG. 20 is a side sectional view showing an enlarged main part of the ASO mechanism, and FIG. 21
Figures 24 to 24 are explanatory diagrams of the operation of the ASO mechanism, Figure 25 is a configuration diagram showing the conventional ASO mechanism, and Figure 26 is an explanatory diagram of the operation of the ASO mechanism.
The figure is an explanatory diagram showing the principle of the ASO mechanism shown in Fig. 19,
Fig. 27 is a configuration diagram showing the operation lever for auto reverse number limit and manual reverse, Fig. 28 is an explanatory diagram of the operation of the same operation lever, Fig. 29 is a configuration diagram showing the locking mechanism of the RFC operation lever, and Fig. 30 31 are explanatory diagrams of the operation of the same locking mechanism, FIG. 32 is a configuration diagram showing another example of the same locking mechanism, and FIG. 33 is a tape high-speed running drive of the tape running drive mechanism shown in FIG. 17. FIG. 34 is an exploded perspective view illustrating the assembly of the high-speed lever, FIG. 35 is a configuration diagram showing a high-speed tape running drive mechanism using the high-speed lever, and FIG. 36 is an exploded perspective view showing the high-speed lever of the mechanism.
The figure is a configuration diagram showing a conventional high-speed tape running drive mechanism.
7 and 38 show an embodiment of the tape recorder drive mechanism according to this invention, and each shows the fitted state of the high-speed drive lever and shaft of the tape high-speed traveling machine drive mechanism shown in FIG. 35. Exploded perspective view and side sectional view, Figure 39a,
b is an exploded perspective view and a side sectional view showing the connection state of the high-speed drive lever and the high-speed gear, respectively; FIG. 40a;
b is an exploded perspective view and side sectional view showing a conventional connection state, FIG. 41 is a perspective view showing a modification of the connection state shown in FIG. 39, and FIG.
Fig. 43 is a side sectional view showing the relationship between the flywheel and the bearing, Fig. 44 a
, b are explanatory views of the same bearing, Fig. 45 is a side sectional view showing the structure of a conventional flywheel bearing, and Fig. 46 is a side sectional view showing the structure of a conventional flywheel bearing.
The figure is a configuration diagram showing the button-button mechanism of the PAUSE operator, Figures 47a and 47b are front and side views showing the main parts of the button-button mechanism, respectively, and Figure 48 shows the operation of the button-button mechanism. Explanatory diagram, Figure 49a,
Fig. 50 is an exploded perspective view showing a state in which the ASO lever is supported by a leaf spring, and Fig. 51 is an exploded perspective view showing the attachment of the leaf spring. 52 is an exploded perspective view showing the cassette lid lock slider, and FIGS. 53 a to 53 C are side sectional views showing the installation of the cassette lid lock slider. DESCRIPTION OF SYMBOLS 1... Mayle chassis, 2... Operation unit, 3... Head slider, 4... Recording/reproducing head, 5.6... Pinch roller, 7, 8... Capstan, 9... Head moving mechanism, 10...Left reel stand, 11...Right reel stand, 12...Tape counter, 13...Motor, 1
4.15... Operation lever, 16... Cassette lid lock slider, 17... Column body, 18... Sub chassis, 19.20... Flywheel, 211, 212
... Bearing, 22... Tape running drive mechanism, 23.
...REC lock mechanism, 24...ASO mechanism, 25.
...Left playback slider, 26...Right playback slider, 27
...Reverse drive lever, 28...Gear, 29...
・Lock lever 130...control slider, 31...
Drive slider, 32... Erasing head, 33... Head support, 34... Head mounting structure, 35... Head base plate, 36... Gear, 37... Sectoral gear, 38...
...Tape, 39...Connection line, 40...Arrow, 41
...Torsion spring, 42...PLAY(R
) operation lever, 43...PLAY (F) operation lever,
44...first lock plate, 45...second lock plate, 46...tack member, 47...first gear, 48...
...Second gear, 491...Concavity, 492...Step, 493...Groove, 501...Left winding gear, 502...
...Right winding gear, 51...Left winding lever, 52...
Right take-up lever, 531°532...pinch lever, 5
4...High speed drive lever, 55...High speed operation lever,
56...REW operation lever, 57...FF operation fF lever, 58...High speed slider 1.59...-A
SO lever, 60...Detection lever, 61...Release lever, 62...ASO select lever, 64...
Board bone, 65...REC stop lever, 66...
REC control lever, 67... switch lever, 68...
...REC operating lever, 75...PAUSE operating lever, 76...PAUSE lock member, 77...plate spring, 78...movable part, -79...fitting part. Figure 12 (a) (b) Figure 14 @13iZ l, - 4° Figure 15 Figure 44 - 213211

Claims

[Scope of utility model registration request]

a first rotating body that rotates independently of tape running; a second rotating body that is supported coaxially with the first rotating body and rotates integrally with the first rotating body with a predetermined frictional force; , in a tape recorder drive mechanism equipped with a rotational force transmission mechanism that selectively transmits the rotational force of the second rotating body to a pair of reel stands, the center of one of the first and second rotating bodies; A shaft having a substantially cylindrical shape and a groove along the circumference is formed at the tip thereof, and a through hole through which the shaft is inserted is formed in the other of the first and second rotating bodies; a spring receiver having a large-diameter through-hole through which the shaft is inserted and a small-diameter through-hole that is continuous with the large-diameter through-hole and can be fitted into the groove;
A friction member and a spring are interposed between the first and second rotating bodies, the shaft is inserted into the through hole, and the tip of the shaft inserted through the through hole is inserted into the large diameter through hole of the spring receiver. A drive mechanism for a tape recorder, characterized in that the first, first and second rotary bodies are supported by inserting the spring receiver into the small diameter through hole and fitting the small diameter through hole of the shaft into the groove of the shaft. .