JPS5925658U

JPS5925658U - Locking device for lid plate in information recording medium playback device

Info

Publication number: JPS5925658U
Application number: JP11990282U
Authority: JP
Inventors: 弘男秋山; 玉田　和弘
Original assignee: ヤマハ株式会社
Priority date: 1982-08-09
Filing date: 1982-08-09
Publication date: 1984-02-17

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図はディスク収納ケース１０の構造を示す一部切欠
斜視図、第２図は従来のロック装置１７゜１８を具えた
再生装置の内部構造を示す斜視図、第３図は第２図にお
けるロック装置１７．１８の動作を示す平面図、第４図
はこの考案の一実施例を左側のロック装置について宗す
斜視図、第５図は第４図のロック装置の分解斜視図、第
６図は第４図のロック装置の正投影図で、ａは平面図、
ｂは正面図、Ｃは左側面図、第７図は第４図のロック装
置の動作を順を追って示した図で、ａ”＝ｆはディスク
装着時の動作、ｇ”ｉはディスク離脱時゛の動作である
。４・・・・・・リッドプレート、４ｃ、　　４ｄ・・・
・・・切欠、４　ｃ　／・・・・・・切欠入口角部、−
４ｅ・・・・・・切欠突部、′１０・・・・・・ディス
ク収納ケース、６０・・・・・・シャーシ、６１ａ、　
６１ｂ−−−−−−ケースオープナ、６２．６３　　　
、・・・・・・ピン、６４・・・・・・レバー支持棒、
６５・・・・・・カム　　′板、６６−−−−−−フツ
クレバー、６６ａ−−−−−−フックレバー先端部、６
６ｂ・・・・・・フック、６７・・・・・・トーション
ばね（弾性体）、６８・・・・・・係止レバー、６９・
・・・・・ロック解除レバー、７２・・・・・・ストッ
パー、７３・・・・・・コイルスプリング。第６図り「１− ０ ’６１ｂゝ−６３　　　　　　’−６１゜′６２１１反
釦FIG. 1 is a partially cutaway perspective view showing the structure of the disc storage case 10, FIG. 2 is a perspective view showing the internal structure of a playback device equipped with a conventional locking device 17, 18, and FIG. A plan view showing the operation of the locking devices 17 and 18, FIG. 4 is a perspective view of an embodiment of this invention regarding the left locking device, FIG. 5 is an exploded perspective view of the locking device shown in FIG. 4, and FIG. The figure is an orthographic view of the locking device in Figure 4, where a is a plan view;
b is a front view, C is a left side view, and FIG. 7 is a diagram showing the operation of the locking device in FIG. This is the action of ゛. 4...Lid plate, 4c, 4d...
... Notch, 4 c / ... Notch entrance corner, -
4e... Notch protrusion, '10... Disk storage case, 60... Chassis, 61a,
61b---Case opener, 62.63
,...Pin, 64...Lever support rod,
65...Cam' plate, 66------Hook lever, 66a---Hook lever tip, 6
6b... Hook, 67... Torsion spring (elastic body), 68... Locking lever, 69...
...Lock release lever, 72 ... Stopper, 73 ... Coil spring. 6th diagram ``1-0'61bゝ-63'-61゜'6211 counter button

Claims

[Claim for Utility Model Registration] When the disc storage case is inserted into the information recording medium playback device, the lid plate notches contact the corner of the entrance in a direction substantially perpendicular to the horizontal direction with respect to the insertion direction of the disc storage case. The hook lever moves over the lid plate notch protrusion and engages with the lid plate notch by the force of the elastic body, and when the hook lever is in the position where it is engaged with the lid plate, the empty disc When the storage case is inserted into the information recording medium playback device, the hook lever is moved in a direction to disengage from the lid plate notch by following the disc storage case or a member interlocked with the disc storage case. An information recording medium playback device comprising a lock release lever and a locking device, and two sets of locking devices are independently arranged on the left and right sides inside the playback device, corresponding to the left and right notches of the lid plate. Lid plate locking device.