JPS5848045U

JPS5848045U - tape recorder device

Info

Publication number: JPS5848045U
Application number: JP14094381U
Authority: JP
Inventors: 聡大岡
Original assignee: 株式会社東芝
Priority date: 1981-09-22
Filing date: 1981-09-22
Publication date: 1983-03-31

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 drawings]

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、　
　ｂ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２のロック板との関係を示
す構成図、第９図は第８図の動作説明図、第１０図はこ
の考案に係るテープレコーダ装置の一実施例を−示すも
ので、ＰＬＡＹ（Ｒ）操作レバーのロック機構を示す構
成図、第１１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図は第４°図で示
した示逆切換機構中の歯車の噛合状態を示す分解斜視図
ミ第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視図、第１７図はテープ走行駆
動機構を示す構成図、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２
８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３
１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３６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、築３６図は従来のテープ高速走行駆動機構を示す構
成図、第３７図及び第３８図は誉れぞれ第３５図に示す
テ・−プ高速走行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
情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４２図はフライホイールの軸受けをサブシャーシに
取付ける状態を示す分解斜視図、第４３図に同フライホ
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操作子のプツシ−ニーブツシュ機構を示す構
成図、第４７図ａ、　　ｂけ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レバーを板ばな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図はカセット蓋ロックスライダを示す分解斜視
図、第５３薗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・・・メインシャーシ、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
クスライダ、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、２
７・・・リバース駆動レバー、２８・・・歯Ｌ２９・・
田ツクレバー、３０・・・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）
操作レノく−、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・・・ロック部材、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、５２・・・左巻取レバー、５２・・
・右巻取レバー、５３１゜５３２・・・ピンチレバー、
５４・・・高速駆動レバー、５５・・・高速操作レバー
、５６・・・ＲＥＷ操作レバー、５７・・・ＦＦ操作レ
バー、５８・・・高速スライダ、５９・・・ＡＳＯレバ
ー、６０・・・検出レバー、６１・・・解除しｔ（−１
６２・・・ＡＳＯセレクトレバー、６４・・・板ばね、
６５・・・ＲＥＣストップレバー、６６・・・ＲＥＣｉ
制御レバー、６７・・・スイッチレバー、６８・・・Ｒ
ＥＣ操作レバー、７５・・・ＰＡＵＳＥ操作レバー、７
６・・・ＰＡＵＳＥロック部材、７７・・・板ばね、７
８・・・可動部品、７９・・・嵌合部。 −−−（ｂ）、、Ｌ、ウ −（ａ）、：〜７２６　　’　　　− ←７２５− ７２６Figures 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 illustrations of the operation of the forward/reverse switching mechanism, respectively, and FIG. 7 a,
b is an external view and an operation explanatory diagram showing the head rotation mechanism interlocked with the forward/reverse switching mechanism, and Fig. 8 is the PLAY(R) and (
F) A configuration diagram showing the relationship between the operating lever and the first and second lock plates, FIG. 9 is an explanatory diagram of the operation of FIG. 8, and FIG. 10 is an embodiment of the tape recorder device according to the invention. Figures 11a and 11b are diagrams illustrating the operation of the locking mechanism, and Figures 12a and 12b are diagrams illustrating the conventional locking mechanism. and explanatory drawings, FIG. 13 is an exploded perspective view showing the meshing state of the gears in the reverse/reverse switching mechanism shown in FIG. 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 gear, and Figure 17 is a configuration diagram showing the tape running drive mechanism. , Figure 18 shows the same tape run.
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 FIGS. 21 to 24 are the same ASO mechanism.
An explanatory diagram of the operation of the mechanism. Figure 25 is a configuration diagram showing a conventional ASO mechanism. Figure 26 is an explanatory diagram showing the principle of the ASO mechanism shown in Figure 19. Figure 27 is for limiting the number of auto reverses and for manual reverse. A configuration diagram showing the operating lever of the second
Figure 8 is an explanatory diagram of the operation of the same operating lever, Figure 29 is a configuration diagram showing the locking mechanism of the RFC operating lever, Figures 30 and 3.
1 is an explanatory diagram 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 diagram illustrating the operation of the same locking mechanism.
34 is an exploded perspective view showing the assembly of the high-speed lever, and FIG. 36 is a tape using the high-speed lever. Figure 36 is a configuration diagram showing a conventional tape high-speed travel drive mechanism, and Figures 37 and 38 are respectively the tape high-speed travel drive mechanism shown in Figure 35. An exploded perspective view and a side sectional view showing the fitted state of the high-speed drive lever and the shaft, Figure 39-a,
b is an exploded perspective view and a side sectional view showing the connection between 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. 42 is a state in which the flywheel bearing is attached to the subchassis. Fig. 43 is a side sectional view showing the relationship between the flywheel and the bearing, Fig. 44a,
Fig. 45 is a side sectional view showing the structure of a conventional flywheel bearing, Fig. 46 is a configuration diagram showing the push-knee button mechanism of the PAUSE operator, and Fig. 47 a, b is an explanatory diagram of the same bearing. Each shows the main parts of the same button-button mechanism. 48 is an explanatory diagram of the operation of the button shoe-button mechanism, FIG. 49 a and b are perspective views showing modifications of the main parts of the button shoe-button mechanism, and FIG. 50 is an ASO FIG. 51 is an exploded perspective view showing the attachment of the leaf spring; FIG. 52 is an exploded perspective view showing the cassette lid lock slider; FIG. 6 is a side cross-sectional view showing the attachment of the cassette lid lock slider. DESCRIPTION OF SYMBOLS 1...Main chassis, 2...Operation unit, 3...Head slider, 4...Recording/reproduction 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, 2
7...Reverse drive lever, 28...Tooth L29...
Field lever, 30... Control slider, 31... Drive slider, 32... Erasing head, 33... Head support body, 34... Head mounting structure, 35... Head base plate, 36... ...Gear, 37...Sector 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... Lock member, 47... First gear, 48
...Second gear, 491...Concavity, 492...Step, 493...Groove, 501...Left winding gear, 502
...Right winding gear, 52...Left winding lever, 52...
・Right winding lever, 531°532...pinch lever,
54... High speed drive lever, 55... High speed operation lever, 56... REW operation lever, 57... FF operation lever, 58... High speed slider, 59... ASO lever, 60... Detection lever, 61...Release t(-1
62...ASO select lever, 64...plate spring,
65...REC stop lever, 66...RECi
Control lever, 67...Switch lever, 68...R
EC operation lever, 75...PAUSE operation lever, 7
6... PAUSE lock member, 77... Leaf spring, 7
8... Movable part, 79... Fitting part. ---(b),,L,W-(a),:~726'-←725-726

Claims

[Scope of utility model registration request]

A locking member that is rotatably supported at one end and has an engaging portion formed at the other end, and a tapered portion that provides relief in the operating direction and a bite in the return direction with respect to the engaging portion of the locking member. a tape running operation member on which a locking portion is formed; a tape running operating member extending from one end of the locking member and having a distal end curved outward; the curved portion abuts against the fixing member; and an elastic part that urges the locking member in the opposite direction when the engaging part is pressed, so that stress applied to the elastic part is not concentrated at one location on the elastic part. tape recorder device.