JPH0398776U

JPH0398776U -

Info

Publication number: JPH0398776U
Application number: JP12288290U
Authority: JP
Priority date: 1989-11-25
Filing date: 1990-11-24
Publication date: 1991-10-15

Description

[Brief explanation of drawings]

第１図ないし第２５図は本考案の第１実施例に
係る光デイスクカートリツジを説明するためのも
ので、第１図は、上ケースの正面図、第２図は、
上ケースの平面図、第３図は、上ケースの底面図
、第４図は、下ケースの正面図、第５図は、下ケ
ースの平面図、第６図は、下ケースの底面図、第
７図は、シヤツター板の平面図、第８図は、シヤ
ツター板の断面図、第９図は、スライダーの平面
図、第１０図は、スライダーの側面図、第１１図
は、スライダーの拡大前面図、第１２図は、スラ
イダーの拡大背面図、第１３図は、第１０図−
線上の拡大断面図、第１４図、第１５図ならび
に第１６図は、ヘツドアクセス開口、閉塞部なら
びに凹部の幅寸法の関係を説明するための図、第
１７図は、シヤツター閉成位置におけるコイルバ
ネの状態を示す一部分解平面図、第１８図は、シ
ヤツター開成位置におけるコイルバネの状態を示
す一部分解平面図、第１９図は、光デイスクカー
トリツジの平面図、第２０図は、光デイスクカー
トリツジの側面図、第２１図は、光デイスクカー
トリツジの正面図、第２２図は、光デイスクカー
トリツジの背面図、第２３図は、光デイスクカー
トリツジの底面図、第２４図は、シヤツターを開
いた状態での光デイスクカートリツジの平面図、
第２５図は、シヤツターを開いた状態での光デイ
スクカートリツジの正面図である。第２６図なら
びに第２７図は、本考案の第２実施例を説明する
ための図で、第２６図は、シヤツターでヘツドア
クセス開口を閉じた状態を示す一部分解平面図、
第２７図は、ヘツドアクセス開口を開いた状態を
示す一部分解平面図である。１……上ケース、２……ヘツドアクセス開口、
１４……ガイド溝、１７……下ケース、１８……
ヘツドアクセス開口、２９……ガイド溝、３１…
…カートリツジケース、３２……光デイスク、５
４……シヤツター、５５……シヤツター板、５６
……スライダー、７０……コイルバネ、１００…
…周壁、１０１……端部。 1 to 25 are for explaining the optical disk cartridge according to the first embodiment of the present invention, in which FIG. 1 is a front view of the upper case, and FIG. 2 is a front view of the upper case.
3 is a bottom view of the upper case, 4 is a front view of the lower case, 5 is a plan view of the lower case, 6 is a bottom view of the lower case, Fig. 7 is a plan view of the shutter plate, Fig. 8 is a sectional view of the shutter plate, Fig. 9 is a plan view of the slider, Fig. 10 is a side view of the slider, and Fig. 11 is an enlarged view of the slider. The front view, FIG. 12 is an enlarged back view of the slider, and FIG. 13 is an enlarged rear view of the slider.
14, 15, and 16 are diagrams for explaining the relationship among the width dimensions of the head access opening, the closing portion, and the recess, and FIG. 17 is a diagram showing the coil spring in the shutter closed position. 18 is a partially exploded plan view showing the state of the coil spring in the shutter open position, FIG. 19 is a plan view of the optical disk cartridge, and FIG. 20 is a plan view of the optical disk cartridge. 21 is a front view of the optical disk cartridge, FIG. 22 is a rear view of the optical disk cartridge, FIG. 23 is a bottom view of the optical disk cartridge, and FIG. 24 is a front view of the optical disk cartridge. Top view of the optical disk cartridge in the open state,
FIG. 25 is a front view of the optical disk cartridge with the shutter open. 26 and 27 are diagrams for explaining the second embodiment of the present invention, and FIG. 26 is a partially exploded plan view showing a state in which the head access opening is closed by the shutter;
FIG. 27 is a partially exploded plan view showing the head access opening in an open state. 1...Top case, 2...Head access opening,
14...Guide groove, 17...Lower case, 18...
Head access opening, 29... Guide groove, 31...
... Cartridge case, 32 ... Optical disk, 5
4... Shutter, 55... Shutter board, 56
...Slider, 70...Coil spring, 100...
... Peripheral wall, 101 ... End.

Claims

[Scope of Claim for Utility Model Registration] A cartridge case consisting of an upper case and a lower case, with recesses provided at predetermined positions on the upper and lower case surfaces, and a head access opening formed in the recesses, and a cartridge case on both sides. A shutter with a substantially U-shaped side surface provided with a shutter plate, and elastic biasing means for elastically biasing the shutter to a closed position, the shutter plate being disposed within the recess of the cartridge case, and In a disk cartridge whose access opening is opened and closed by its shutter plate, a stopper means is provided for preventing an edge of the shutter plate from coming into contact with an edge of the recess when the shutter plate is in a closed position. A disk cartridge that is characterized by: