JPS6277478U

JPS6277478U -

Info

Publication number: JPS6277478U
Application number: JP16870785U
Authority: JP
Priority date: 1985-11-01
Filing date: 1985-11-01
Publication date: 1987-05-18

Description

[Brief explanation of drawings]

第１図はこの考案を光デイスクカートリツジに
適用した一実施例の要部断面図、第２Ａ図〜第２
Ｃ図はスライダ、ロツク部材、ロツク解除レバー
の動作を示す平面図、第３図はデイスクカートリ
ツジの内部機構を示す平面図、第４図はデイスク
カートリツジ全体の斜視図、第５図は別の実施例
による要部平面図、第６Ａ図〜第６Ｃ図は従来の
デイスクカートリツジのスライダのロツク部分を
示した図である。なお、図面に用いた符号において、１……デイ
スクカートリツジ、２……ケーシング、８……シ
ヤツタ、９……スライダ、２０……ロツク部材、
１３……ロツク解除レバー、１３ｂ……被押圧部
（ロツク解除レバーの一端）、９５……シヤツタ
開蓋用突起（押圧駆動手段）、１４，１５……突
条（規制手段）、である。 Fig. 1 is a sectional view of a main part of an embodiment in which this invention is applied to an optical disk cartridge, and Figs. 2A to 2
Figure C is a plan view showing the operation of the slider, lock member, and lock release lever, Figure 3 is a plan view showing the internal mechanism of the disk cartridge, Figure 4 is a perspective view of the entire disk cartridge, and Figure 5 is separate. FIGS. 6A to 6C are plan views of essential parts according to the embodiment, and are views showing a locking portion of a slider of a conventional disk cartridge. In addition, in the symbols used in the drawings, 1... disk cartridge, 2... casing, 8... shutter, 9... slider, 20... lock member,
13...Lock release lever, 13b...Pressed portion (one end of the lock release lever), 95...Protrusion for opening the shutter lid (pressing drive means), 14, 15...Protrusion (restriction means).

Claims

[Claims for Utility Model Registration] A disk cartridge in which a disk-shaped recording medium is housed in a casing, comprising: an opening provided in the casing to expose a recording surface of the disk-shaped recording medium; A shutter for opening and closing the opening, a slider attached to the casing in conjunction with the shutter for driving the shutter to open and close, and a slider provided to the casing for locking the slider near its return position. and a locking member,
A lock release lever for releasing the lock of the slider by the lock member is rotatably attached to the slider, and when one end of the lock release lever is pressed by a pressing drive means, the lock by the lock member is released. In a disk cartridge configured such that release and sliding of the slider in the forward movement direction are performed continuously, when one end of the lock release lever is pressed by the pressing drive means, the lock is released by the lock member. A disk cartridge characterized in that said slider position regulating means is provided to hold said slider in its return position until release is completed.