JPH02105254U

JPH02105254U -

Info

Publication number: JPH02105254U
Application number: JP1075789U
Authority: JP
Priority date: 1989-02-02
Filing date: 1989-02-02
Publication date: 1990-08-21

Description

[Brief explanation of drawings]

図はこの考案の実施例を示し、第１図、第２図
、第３図はカセツトドアの夫々の動作状態におけ
る要部正面図、第４図、第５図、第６図は要部平
面図、第７図はテープレコーダの要部正面図、第
８図は第７図の要部側面図、第９図と第１０図は
テープモード切換装置の平面図である。１……シヤーシ、２……カセツト挿入口、４ａ
……挿入後端部、４ｂ……挿入前端部、３……パ
ネル、４……テープカセツト、５……ローデイン
グシヤーシ、５ａ……基部、５ｂ……カセツト受
入部、６，７……支点ピン、８……駆動モータ、
９……ローデイング駆動ギヤ、９ａ……欠歯部、
９ｂ，２８ａ，４０ｂ……突部、１０……ウオー
ムギヤ機構、１１……平歯車機構、１２，１８，
２７……縦ピン、１３……ローデイングアーム、
１４……ピン、１５……上位アーム、１６……ト
ルクばね、１７……上位アーム、１９……カセツ
ト移動アーム、２０……軸、２１……係合片、２
２……カム溝、２３……カムピン、２４……ドア
アーム、２５……ドア、２６……ドア開きアーム
、２６ａ……カム部、２６ａ……切起し部、２７
……後位ロツド、２８……前位ロツド、２８ｂ…
…折曲部、２９……係合部材、２９ａ……突起、
３０……ばね、３１……シヤーシ上板、３２……
ガイド片、３２ａ……孔、３４，３５……リール
ハブ、３９，６０，６１，６４，６５……ギヤ、
４０……モード切換駆動ギヤ、５１……テープ、
５４，５５……キヤプスタン、６２，６３……ハ
ブ、７５，７６……ピンチローラー、７９，８０
……ピンチローラーアーム、８１，８２……中間
ギヤ、８３，８４……回動アーム、８７……送り
切換アーム、８９……ピニオン、９２，９３……
リール、９７……走行方向切換プレート、９８…
…係合部材、１０９……走行切換ギヤ、１１０…
…送り切換ギヤ、１１２……送り切換プレート、
Ｄ……ドア開きカム機構、Ｒ……ドア開きロツド
。 The figures show an embodiment of this invention, and FIGS. 1, 2, and 3 are front views of the main parts of the cassette door in its respective operating states, and FIGS. 4, 5, and 6 are plan views of the main parts. 7 is a front view of the main part of the tape recorder, FIG. 8 is a side view of the main part of FIG. 7, and FIGS. 9 and 10 are plan views of the tape mode switching device. 1... Chassis, 2... Cassette insertion slot, 4a
...Rear end of insertion, 4b... Front end of insertion, 3... Panel, 4... Tape cassette, 5... Loading chassis, 5a... Base, 5b... Cassette receiving part, 6, 7... Fulcrum pin, 8... Drive motor,
9... Loading drive gear, 9a... Missing tooth portion,
9b, 28a, 40b... protrusion, 10... worm gear mechanism, 11... spur gear mechanism, 12, 18,
27... Vertical pin, 13... Loading arm,
14...Pin, 15...Upper arm, 16...Torque spring, 17...Upper arm, 19...Cassette moving arm, 20...Shaft, 21...Engagement piece, 2
2...Cam groove, 23...Cam pin, 24...Door arm, 25...Door, 26...Door opening arm, 26a...Cam part, 26a...Cut-out part, 27
... Rear Rod, 28... Front Rod, 28b...
...Bending portion, 29...Engaging member, 29a...Protrusion,
30... Spring, 31... Chassis upper plate, 32...
Guide piece, 32a... hole, 34, 35... reel hub, 39, 60, 61, 64, 65... gear,
40...Mode switching drive gear, 51...Tape,
54, 55... Capstan, 62, 63... Hub, 75, 76... Pinch roller, 79, 80
... Pinch roller arm, 81, 82 ... Intermediate gear, 83, 84 ... Rotating arm, 87 ... Feed switching arm, 89 ... Pinion, 92, 93 ...
Reel, 97... Running direction switching plate, 98...
...Engagement member, 109... Travel switching gear, 110...
...Feed switching gear, 112...Feed switching plate,
D...Door opening cam mechanism, R...Door opening rod.

Claims

[Claims for Utility Model Registration] (1) In a tape recorder in which a tape cassette inserted from a cassette insertion slot is moved downward to a playback device by a cassette loading mechanism, the cassette insertion slot is normally closed and the tape being inserted is A door provided to be pushed open by a cassette, a loading drive gear for driving a cassette loading mechanism, a door opening rod provided to engage the door only in the direction of opening the door, and a door opening rod. The door opening arm is rotatably connected to the tape cassette, and includes a loading drive gear and a door opening cam mechanism provided on the door opening arm to move the door opening rod to the door opening position before the tape cassette is raised. A cassette door opening/closing device characterized by: (2) The cassette door opening/closing device according to claim 1, wherein the door opening arm and the loading drive gear are constructed so that they are close to each other and their operating surfaces are parallel to each other.