JPS5811323U

JPS5811323U - tuning mechanism

Info

Publication number: JPS5811323U
Application number: JP10493381U
Authority: JP
Inventors: 都留　一郎
Original assignee: Toshiba Corp
Current assignee: Toshiba Corp
Priority date: 1981-07-15
Filing date: 1981-07-15
Publication date: 1983-01-25

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図はステレオラジオカセットの構成を示す、分解斜
視図、第２図は第１図の印刷配線板の正面図、第３図ａ
はこの考案に係る同調機構の一実施例の要部となるダイ
ヤルドラムの構成を示す斜視図、同図すおよびＣは同じ
くダイヤルドラムの横および縦方向の断面図、第４図ａ
、　　ｂは第３図のダイヤルドラムにおけるダイヤル糸
の張設手順を示す図、第５図ａ、　　ｂ、　　ｃは従来
のダイヤルドラムを示す正面図、第６図は同調機構の構
成を示す斜視図、第７図は同調機構におけるダイヤル糸
の張設状態を示す要部の斜視図、第、８図は、チューニ
ングシャフトの支持機構の要部を示す斜視図、第９図ａ
’、ｂはチューニングシャフトの支持機構の要部構成を
示す断面図、第１０図は従来のチューニングシャフトの
支持機構を示す構成を示す斜視図、第１１図ａおよびｂ
はダイヤル指針の構成を。示す斜視図および側面図、第３２図１ａ　ｂは第１１図
のダイヤル指針を適用した同調機構の要部を示す正面図
、第１３図ａ、　　ｂ？よ第１１図のダイヤル指針の他
の適用例を示す図、第１４図ａおよびｂはダイヤルドラ
ム保持機構の要部を示す正面図および断面図、第１５図
はダイヤルドラム保持機構のドラム保持状態における要
部の上面図、第１６図はダイヤルドラム保持機構のドラ
ム保持状態におけ名同調機構周辺の外観を示す斜視図、
第１７図はダイヤルドラム保持機構の他の実施例を示す
図、第１８図は第１図のステレオラジオカセットに適用
した部品の取付機構の要部を示す斜視図、第１９図、第
２０図ａ、　　ｂは従来の部品の取付機構を示す図、第
２１図、第２２図、第２３図、第２４図、第２５図は部
品の取付機構の他の実施例を示す図、第２６図は第１図
のカセットテープレコーダ機構の背面キャビネットにお
ける取付状態を説明するために用いた斜視図、第２７図
ａ、。ｂ、　　ｃはスピーカ保持機構の要部を示すそれぞれ斜
視図、正面図、一部切欠側面図、第２８図スピーカ保持
状態におけるスピーカ保持機構を示す断面図、第２９図
ａ、　　ｂ、　ｃはスピーカ保持機構の他の実施例の要
部を示す図、第３０図ａはカセット蓋支持機構の構成を
示す斜視図、同図すおよびＣはカセット蓋支持機構の開
状態および閉状態を示す側面図、笹３１図ａはロッドア
ンテナの基端部を示す斜視図、同図すはンテナ取付機構
の電極板を示す斜視図、同図Ｃは背面キャビネットにお
ける電極板の保持部を示す斜視図、同図ｄはアンテナ取
付機構の構成を宗す断面図、第３２図１ａ。ｂは従来のロッドアンテナの取付部を示す斜視図、第３
３図は背面キャビネットの正面外観ならびに交流電源用
コネクタのアダプタを示す斜視図、第３４図ａは電池収
納部用の蓋を示す斜視図、同図すは電池収納部の電池収
納状態における断面図、第３５図はダイヤルカバーが固
定された状態を示す断面図である。１１・・・背面キャビネット、１２・・・前面キャビネ
ット、１３・・・印刷配線板、１４・・・カセットテー
プレコーダ機構、１５・・・同調機構、１６．１７・・
・スピーカ、１８．１９・・・マイクロホン、２０１・
・・ヘッドホンジャック、２０２．２０３・・・可変抵
抗器、２０４．２（１５，２０６・・・スイッチ、２１
・・・透孔、２２・・・シャフト、２３・・・ダイヤル
ドラム、２４・・・フレーム、２５１，２５２・・・リ
ブ２６１，２６２゜２６３・・・突設部、２７１，２７
２・・・衝合柱体、２８・・・ダイヤル目盛、２９川チ
ユーニングシヤフト、３０１，３０２，３０３・・・プ
ーリー、３１・・・ダイヤル指針、３２１，３２２．３
２３・・・取付部、３３・・・カセット装着部、３４・
・・テープ送り操作部、３５１・・・録音再生ヘッド、
３５２・・・キャプスタン、３５３．３５４・・・ねじ
、３６１乃至３６５・・・支持柱体、３７１，３７２・
・・ガイドリブ、３８１゜３８２．３８３・・・支持柱
体、３９１，３９２・・・支持柱体、４０１，４０２・
・・支持柱体、４１１゜４１２．４１３・・・載置片、
４２．４３・・・支持体、１１１乃至１１５・・・ねじ
、１２１乃至１２５・・・透孔、４６・・・カセット蓋
、１２０・・・開口部、４７・・・小長孔、４８．４９
・・・ネット、５０．５１・・・スリット、５２・・・
大長孔、５３・・・ダイヤルカバー、５４１．５４２・
・・ツマミ、５４３，５４４゜５４５・・・スイッチノ
ブ、５４６・・・ダイヤルツマミ、５５・・・電池収納
部、５６・・・蓋、５７・・・ハンドル、５８・・田ツ
ドアンテナ、５９・・・電極板、６０・・・板ばね、６
１１・・・接点電極、６１２・・・接点ばね、６１３．
６１４・・・クッション、１３１．１３２・・・切欠部
、１３３．１３４・・・透孔、２３１・・・軸、２３２
・・・糸掛、２３３．２３４・・・弾性片、２３５゜２
３６・・・突起、２３７，２３８・・・小溝、２３９・
・・リブ、２３０・・・溝、２３０ａ・・・透孔、６１
５・・・ダイヤル糸、６２１，６２２・・・ドラム本体
、６２３゜６２４・・・スプリング、６２５・・・ドラ
ム本体、６２６・・・弾性舌片、６３１，６３２・・・
取付部、６３３・・・ガイド柱体、６３４・・・調整用
柱体、６４・・・保持体、２４１・・・透孔、２４２乃
至２４５・・・係合片、２４６乃至２４９・・・停止体
、２９１・・・径大部、２９２・・・被支持部、２９３
・・・溝部、３１１・・・摺動部、３１２・・・針部、
６３５・・・案内部、６３６゜６３７・・・プーリー、
２４ａ・・・フレーム、６５１゜６５２・・・プーリー
、６５３・・・案内部、６５４゜６５５・・・案内部材
、２４ｂ・・・フレーム、６５６・・・案内部、６５７
，６５８・・・プーリー、６４１゜６４２・・・嵌合体
、６４３・・・柱体、６４４・・・ねじ、６５・・・・
・・フレーム、６６・・・背面キャビネット、６５１．
６５２，６５３・・・固定部、６６１゜６６２．６６３
・・・支持柱体、６７・・・印刷配線板、６８・・・前
面キャビネット、６７１・・・ツマミ、６９・・・操作
パネル、７０・・・印刷配線板、７１・・・フレーム、
７２・・・背面キャビネット、７２１乃至７２９・・・
支持柱体、７３・・・印刷配線板、７４１乃至７４９・
・・固定部、７４・・・フレーム、７５・・・背面キャ
ビネット、７５１乃至７５９・・・支持柱体、７６　　
、・・・印刷配線板、７７・・・フレーム、７７１乃至
７７９・・・固定部、７８・・・印刷配線板、７９・・
・キャビネット、７９１乃至７９４・・・支持柱体、７
８１乃至７８４・・・透孔、８０・・・第１の部材、８
０１・・・打出し部、８９２・・・乃至８０４・・・透
孔、８１・・・第２の部材、８１１・・・透孔、８１２
乃至８１４・・・長孔、８１５・・・先端部、４２１・
・・筒体、４２２゜４２３・・・嵌合片、４２４，４２
５・・・補助板、１６１・・・基端部、１６２・・・フ
レーム、８２１゜８２２・・・膨出部、８２３．８２４
・・・切欠き部、４６１．４６２・・・保持板、４６３
，４６４・・・停止板、４６５，４６６・・・脚、４６
７．４６８・・・湾曲凹部、１２６．１２７・・・湾曲
凸部、１２Ｂ、’１２９・・・軸支体、８３１．８３２
・・・突起、８３３・・・柱体、８３４，８３５・・・
停止片、８３６゜８３７・・・突部、８３８，８３９・
・・ガイド板、８４・・・取付板、８４１・・・透孔、
８４２・・・突起、５９１・・・位置決め部、５９２，
５９３・・・接点脚、５９４・・・透孔、５９５・・・
接点片、８５１，８５２・・・支持体、８５３，８５４
・・・突起、８５５，８５６・・・透Ｌ　８５７−・・
ねじ、８６１，８６２・・・ロッドアンテナ、８６３，
８６４・・・固定部、８７１乃至８７４・・・突起、８
５・・・開口、８９・・・アダプタ、８９１・・・透孔
、８９２，８９３・・・爪、８８１・・・突部、８９４
・・・切欠き部、５６７・・・電池、９０１゜９０２・
・・リブ、５３１，５３２・・・リブ、５３３・・・突
出面。第１１図　　、。）３１２Ｆａ１Figure 1 is an exploded perspective view showing the configuration of a stereo radio cassette, Figure 2 is a front view of the printed wiring board in Figure 1, and Figure 3 a.
4A is a perspective view showing the configuration of a dial drum which is a main part of an embodiment of the tuning mechanism according to this invention; FIG.
, b are views showing the dial thread tensioning procedure in the dial drum of Fig. 3, Figs. 5 a, b, and c are front views showing the conventional dial drum, and Fig. 6 is a perspective view showing the configuration of the tuning mechanism. , Fig. 7 is a perspective view of the main part showing the tensioned state of the dial thread in the tuning mechanism, Figs. 8 and 8 are perspective views showing the main part of the tuning shaft support mechanism, and Fig. 9a.
', b are cross-sectional views showing the configuration of main parts of a support mechanism for a tuning shaft, FIG. 10 is a perspective view showing the configuration of a conventional support mechanism for a tuning shaft, and FIGS. 11a and b
is the configuration of the dial pointer. Fig. 32 is a perspective view and a side view, Fig. 32 is a front view showing the main part of the tuning mechanism to which the dial pointer of Fig. 11 is applied, and Fig. 13 is a, b? Fig. 11 is a diagram showing another application example of the dial pointer, Fig. 14 a and b are front views and sectional views showing the main parts of the dial drum holding mechanism, and Fig. 15 is a drum holding state of the dial drum holding mechanism. 16 is a top view of the main parts of the dial drum holding mechanism, and FIG. 16 is a perspective view showing the external appearance of the dial drum holding mechanism in the drum holding state,
FIG. 17 is a diagram showing another embodiment of the dial drum holding mechanism, FIG. 18 is a perspective view showing the main parts of the parts attachment mechanism applied to the stereo radio cassette of FIG. 1, and FIGS. 19 and 20. 21, 22, 23, 24 and 25 are views showing other embodiments of the parts mounting mechanism, and FIG. 26 is a diagram showing a conventional parts mounting mechanism. FIG. 27a is a perspective view used to explain the mounting state of the cassette tape recorder mechanism of FIG. 1 in the rear cabinet; Figures b and c are respectively a perspective view, a front view, and a partially cutaway side view showing the main parts of the speaker holding mechanism, Figure 28 is a sectional view showing the speaker holding mechanism in the speaker holding state, and Figure 29 a, b, and c are the speakers. 30A is a perspective view showing the configuration of the cassette lid support mechanism; FIG. 30C is a side view showing the cassette lid support mechanism in an open state and a closed state; FIG. , Figure 31A is a perspective view showing the base end of the rod antenna, Figure C is a perspective view showing the electrode plate of the antenna mounting mechanism, Figure C is a perspective view showing the holding part of the electrode plate in the rear cabinet, Figure d is a sectional view showing the configuration of the antenna mounting mechanism, Figure 32 la. b is a perspective view showing the mounting part of a conventional rod antenna;
3 is a perspective view showing the front appearance of the rear cabinet and an adapter for the AC power connector; FIG. 34a is a perspective view showing the lid for the battery compartment; and FIG. , FIG. 35 is a sectional view showing a state in which the dial cover is fixed. DESCRIPTION OF SYMBOLS 11... Rear cabinet, 12... Front cabinet, 13... Printed wiring board, 14... Cassette tape recorder mechanism, 15... Tuning mechanism, 16.17...
・Speaker, 18.19...Microphone, 201・
...Headphone jack, 202.203...Variable resistor, 204.2 (15,206...Switch, 21
...Through hole, 22...Shaft, 23...Dial drum, 24...Frame, 251,252...Rib 261,262°263...Protrusion part, 271,27
2... Collision column body, 28... Dial scale, 29 Tuning shaft, 301, 302, 303... Pulley, 31... Dial pointer, 321, 322.3
23... Mounting part, 33... Cassette mounting part, 34...
...Tape feed operation section, 351...Recording and playback head,
352...Capstan, 353.354...Screw, 361 to 365...Support column, 371,372.
...Guide rib, 381°382.383...Support column, 391,392...Support column, 401,402.
...Support column, 411°412.413...Placement piece,
42.43... Support body, 111 to 115... Screw, 121 to 125... Through hole, 46... Cassette lid, 120... Opening, 47... Small elongated hole, 48. 49
...Net, 50.51...Slit, 52...
Large elongated hole, 53...Dial cover, 541.542.
... Knob, 543,544°545 ... Switch knob, 546 ... Dial knob, 55 ... Battery compartment, 56 ... Lid, 57 ... Handle, 58 ... Tatsudo antenna, 59. ... Electrode plate, 60 ... Leaf spring, 6
11... Contact electrode, 612... Contact spring, 613.
614...Cushion, 131.132...Notch, 133.134...Through hole, 231...Shaft, 232
... Thread hook, 233.234 ... Elastic piece, 235°2
36...Protrusion, 237,238...Small groove, 239.
...Rib, 230...Groove, 230a...Through hole, 61
5...Dial thread, 621,622...Drum body, 623°624...Spring, 625...Drum body, 626...Elastic tongue piece, 631,632...
Attachment part, 633... Guide column, 634... Adjustment column, 64... Holder, 241... Through hole, 242 to 245... Engagement piece, 246 to 249... Stop body, 291... Large diameter part, 292... Supported part, 293
...Groove part, 311...Sliding part, 312...Needle part,
635...Guide part, 636°637...Pulley,
24a... Frame, 651° 652... Pulley, 653... Guide portion, 654° 655... Guide member, 24b... Frame, 656... Guide portion, 657
, 658... Pulley, 641° 642... Fitting body, 643... Column, 644... Screw, 65...
... Frame, 66... Rear cabinet, 651.
652,653...Fixed part, 661°662.663
...Support column, 67...Printed wiring board, 68...Front cabinet, 671...Knob, 69...Operation panel, 70...Printed wiring board, 71...Frame,
72... Rear cabinet, 721 to 729...
Support column body, 73...Printed wiring board, 741 to 749.
... Fixed part, 74 ... Frame, 75 ... Rear cabinet, 751 to 759 ... Support column, 76
,...Printed wiring board, 77...Frame, 771 to 779...Fixing part, 78...Printed wiring board, 79...
・Cabinet, 791 to 794...Support column, 7
81 to 784... Through hole, 80... First member, 8
01... Embossed portion, 892... to 804... Through hole, 81... Second member, 811... Through hole, 812
to 814... long hole, 815... tip, 421...
... Cylindrical body, 422°423 ... Fitting piece, 424, 42
5... Auxiliary plate, 161... Proximal end, 162... Frame, 821° 822... Swelling part, 823.824
... Notch part, 461.462 ... Holding plate, 463
,464... Stop plate, 465,466... Leg, 46
7.468... Curved recess, 126.127... Curved convex part, 12B, '129... Pivotal support, 831.832
...Protrusion, 833...Column, 834,835...
Stop piece, 836°837... Protrusion, 838,839.
...Guide plate, 84...Mounting plate, 841...Through hole,
842...Protrusion, 591...Positioning part, 592,
593...Contact leg, 594...Through hole, 595...
Contact piece, 851, 852... Support, 853, 854
... Protrusion, 855,856... Transparent L 857-...
Screw, 861, 862... Rod antenna, 863,
864...Fixing part, 871 to 874...Protrusion, 8
5... Opening, 89... Adapter, 891... Through hole, 892, 893... Claw, 881... Protrusion, 894
...Notch, 567...Battery, 901°902.
...Rib, 531,532...Rib, 533...Protruding surface. Figure 11. ) 312F a1

Claims

[Scope of utility model registration request]

A tuning mechanism in which a dial thread is stretched in a loop around a tuning shaft, a dial drum, a pulley, etc., which is provided with a rib formed on at least one surface of the dial drum and capable of suspending the dial thread; A tuning mechanism characterized by compensating for slack in the dial thread and applying tension to the dial thread by isometrically shortening the length of the dial thread.