JPS6362955U

JPS6362955U -

Info

Publication number: JPS6362955U
Application number: JP15565686U
Authority: JP
Priority date: 1986-10-13
Filing date: 1986-10-13
Publication date: 1988-04-26

Description

[Brief explanation of the drawing]

第１図および第２図は、この考案の実施例を説
明するためのもので、第１図はホルダと閉鎖ばね
を示す要部側面図、第２図は要部断面平面図、第
３図ないし第２０図は従来例に係るデイスク駆動
装置を説明するためのもので、第３図はホルダを
省略したデイスク駆動装置の要部平面図、第４図
はデイスク駆動装置の正面図、第５図は同底面図
、第６図はデイスクカートリツジの平面図、第７
図および第８図はそれぞれホルダの昇降動作を示
す動作説明図、第９図はホルダの平面図、第１０
図は同正面図、第１１図は同左側面図、第１２図
は同右側面図、第１３図はシヤツタの閉鎖ばねの
平面図、第１４図はカムプレートの平面図、第１
５図は同正面図、第１６図はカムプレートのパツ
ド部の要部拡大正面図、第１７図および第１８図
はそれぞれカムプレートの動作を示す動作説明図
、第１９図および第２０図はロツクレバーの動作
を示す動作説明図である。３…デイスクカートリツジ、４…ホルダ、４ｐ
…取付孔、５…磁気ヘツド、６…キヤリツジ、７
…キヤリツジ、８…ターンテーブル、９…モータ
、３０…デイスク、３１…ケース、３４…シヤツ
タ、３５…ヘツド挿入口、４０…閉鎖ばね、４０
ｃ…折曲部、４０ｅ…掛止環、４２…カムプレー
ト、４２ｌ…ローラ、４２ｃ…側板、４３…取付
部材。 Figures 1 and 2 are for explaining an embodiment of this invention. Figure 1 is a side view of the main parts showing the holder and closing spring, Figure 2 is a sectional plan view of the main parts, and Figure 3 is a cross-sectional plan view of the main parts. 20 to 20 are for explaining a conventional disk drive device. FIG. 3 is a plan view of the main parts of the disk drive device with the holder omitted, FIG. 4 is a front view of the disk drive device, and FIG. 5 is a front view of the disk drive device. The figure is a bottom view of the same, Figure 6 is a plan view of the disk cartridge, and Figure 7 is a top view of the disk cartridge.
8 and 8 are operation explanatory diagrams showing the lifting and lowering movements of the holder, respectively, FIG. 9 is a plan view of the holder, and FIG.
11 is a left side view of the same, FIG. 12 is a right side view of the same, FIG. 13 is a plan view of the shutter closing spring, FIG. 14 is a plan view of the cam plate,
5 is a front view of the same, FIG. 16 is an enlarged front view of the main part of the pad part of the cam plate, FIGS. 17 and 18 are operation explanatory diagrams showing the operation of the cam plate, and FIGS. 19 and 20 are respectively FIG. 3 is an operation explanatory diagram showing the operation of the lock lever. 3...Disk cartridge, 4...Holder, 4p
...Mounting hole, 5...Magnetic head, 6...Carriage, 7
... Carriage, 8... Turntable, 9... Motor, 30... Disk, 31... Case, 34... Shutter, 35... Head insertion slot, 40... Closing spring, 40
c...Bending portion, 40e...Latching ring, 42...Cam plate, 42l...Roller, 42c...Side plate, 43...Mounting member.

Claims

[Scope of utility model registration request]

A holder that holds a disk cartridge containing a disk-shaped information recording medium in a hard case, and is provided with a protrusion that opens a shutter attached to the disk cartridge, and information inside the disk cartridge. A rotational drive means for rotationally driving a recording medium, a loading means for moving a holder toward and away from the rotational drive means, a head device for writing or reading signals to or from the information recording medium, and a carriage equipped with the head device. , a transport means for transporting the carriage in the radial direction of the information recording medium, a load pressure application means for applying load pressure by pressing the information recording medium toward the head device during recording and reproduction, and a load pressure application means for applying load pressure to the information recording medium side. an elevating means for moving toward and away from the
and a closing means for closing the shutter when the disk cartridge is ejected, the shutter is opened during recording and reproduction, and the head device is opposed to the information recording medium through the opened head insertion slot to record, reproduce, or record information. and a regenerating device, wherein the shutter closing means has a bent portion at one end that protrudes from the side surface of the holder into the holder and can be engaged with an engagement groove drilled in the side surface of the shutter;
A disk drive device characterized in that it is formed of a single wire spring having an annular hook ring hooked to a side surface of a holder at the other end.