JPH0276354U

JPH0276354U -

Info

Publication number: JPH0276354U
Application number: JP15579088U
Authority: JP
Priority date: 1988-11-30
Filing date: 1988-11-30
Publication date: 1990-06-12
Anticipated expiration: 2003-11-30
Also published as: JPH0633571Y2

Description

[Brief explanation of drawings]

第１図は本考案のシヤツタ開き機構の一実施例
の分解斜視図、第２図は本考案機構の正面図、第
３図は本考案機構の平面図、第４図は軸組立体の
構造を示す図、第５図はカートリツジ挿入初期の
状態を示す図、第６図はカートリツジがホルダ奥
部まで挿入されてシヤツタが半開きとなつた状態
を示す図、第７図はカートリツジがホルダにクリ
ツク的にロツクされる状態を示す図、第８図はス
トツパを拡大して示す図、第９図は第６図の状態
よりカートリツジが更に挿入されてシヤツタが更
に開いた状態を示す図、第１０図はカートリツジ
が最終位置まで挿入されてシヤツタが完全に開い
た状態を示す平面図、第１１図はこのときの正面
図、第１２図はホルダが下降したデイスク装着状
態の正面図、第１３図はホルダ下降時の軸組立体
のカム溝に対する関係を示す図、第１４図は本考
案の変形例を示す図、第１５図は第１４図の変形
例におけるホルダ下降時の状態を示す図、第１６
図は本考案に適用しうるデイスクカートリツジの
斜視図、第１７図は従来例のシヤツタ開き機構の
斜視図、第１８図はその正面図、第１９図はシヤ
ツタ開きアームの動きを示す図である。１……デイスクカートリツジ、４……シヤツタ
、６……スロツト、７……挿入方向前縁の面、２
０……カートリツジホルダ、２３……逆Ｕ字状溝
、２４，２５……溝、２６，２７……ロツクピン
、３０……シヤツタ開きアーム、３１……軸組立
体、３２……フツク、３４……ピン、４０……カ
ム板、４１，４２……カム溝、４４……ばね。 Figure 1 is an exploded perspective view of one embodiment of the shutter opening mechanism of the present invention, Figure 2 is a front view of the mechanism of the present invention, Figure 3 is a plan view of the mechanism of the present invention, and Figure 4 is the structure of the shaft assembly. Figure 5 is a diagram showing the initial state of the cartridge insertion, Figure 6 is a diagram showing the cartridge inserted deep into the holder and the shutter is half open, and Figure 7 is a diagram showing the cartridge being clicked into the holder. FIG. 8 is an enlarged view of the stopper; FIG. 9 is a diagram showing a state in which the cartridge is further inserted and the shutter is further opened than in the state shown in FIG. 6; and FIG. The figure is a plan view showing the state in which the cartridge is inserted to the final position and the shutter is completely open, Fig. 11 is a front view at this time, Fig. 12 is a front view with the holder lowered and the disk attached, and Fig. 13 14 is a diagram showing the relationship between the shaft assembly and the cam groove when the holder is lowered, FIG. 14 is a diagram showing a modification of the present invention, and FIG. 15 is a diagram showing the state when the holder is lowered in the modification of FIG. 14. 16th
17 is a perspective view of a conventional shutter opening mechanism, FIG. 18 is a front view thereof, and FIG. 19 is a diagram showing the movement of the shutter opening arm. be. 1...Disk cartridge, 4...Shutter, 6...Slot, 7...Front edge surface in the insertion direction, 2
0... Cartridge holder, 23... Inverted U-shaped groove, 24, 25... Groove, 26, 27... Lock pin, 30... Shutter opening arm, 31... Shaft assembly, 32... Hook, 34 ...Pin, 40...Cam plate, 41, 42...Cam groove, 44...Spring.

Claims

[Claims for Utility Model Registration] A disk cartridge having a front edge in the insertion direction so as to be slidable in one direction along the shutter engages with the slot of the shutter when inserted with its surface facing up. a first shutter opening arm that opens the shutter with a lever; and a second shutter opening arm that engages with and opens the slot of the shutter when the disk cartridge is inserted with its back side facing upward; In a disk cartridge shutter opening mechanism provided in a cartridge holder into which the disk cartridge is inserted, a cam plate provided with a cam groove is fixedly disposed above the cartridge holder, and the first, A part of the second shutter opening arm is provided to directly fit into the cam groove, and the first and second shutter opening arms are themselves guided by the cam groove and move together; A shutter opening mechanism for a disk cartridge, wherein one of the two shutter opening arms engaged with the slot opens the shutter.