JPS63157851U

JPS63157851U -

Info

Publication number: JPS63157851U
Application number: JP4752287U
Authority: JP
Priority date: 1987-03-30
Filing date: 1987-03-30
Publication date: 1988-10-17
Also published as: JPH0356907Y2

Description

[Brief explanation of the drawing]

第１図はこの考案に係わるデイスクの回転駆動
装置の一実施例の要部の構成を示す断面図；第２
図は回転駆動円板への下面におけるばねアームの
取り付け状態を示す上面図；第３Ａ図及び第３Ｂ
図は、夫々ばねアームの構成を示す上面図及び正
面図；第４Ａ図及び第４Ｂ図は、この考案の他の
実施例に係わるばねアームの構成を示す上面図及
び正面図；第５Ａ図乃至第５Ｃ図はチヤツキング
動作を順次示す平面図；そして、第６図は従来の
ばねアームの構成を示す斜視図である。図中、１０……駆動装置、１２……スピンドル
シヤフト、１４……回転駆動円板、１６……フロ
ツピイデイスク、１８……デイスクハブ、１８ａ
……中央透孔、２０……ゴム磁石、２２……トラ
イブピン、２４……ドライブホール、２６……透
穴、２８……ばねアーム、２８ａ……水平ばね部
分、２８ｂ……垂直ばね部分、２８ｃ，２８ｄ…
…穴、３０……回転支軸、３２……軸支部材、３
２ａ……支持軸、３４……保持部材、３６……折
曲片、３８……ストツパ、４０……他の実施例の
保持部材である。 FIG. 1 is a cross-sectional view showing the configuration of essential parts of an embodiment of the disk rotation drive device according to this invention;
The figure is a top view showing the attachment state of the spring arm on the lower surface to the rotary drive disk; Figures 3A and 3B
The figures are a top view and a front view showing the structure of a spring arm, respectively; FIGS. 4A and 4B are a top view and a front view showing the structure of a spring arm according to another embodiment of the invention; FIGS. FIG. 5C is a plan view sequentially showing the chuck operation; and FIG. 6 is a perspective view showing the configuration of a conventional spring arm. In the figure, 10... Drive device, 12... Spindle shaft, 14... Rotating drive disk, 16... Floppy disk, 18... Disk hub, 18a
...Central through hole, 20...Rubber magnet, 22...Tribe pin, 24...Drive hole, 26...Through hole, 28...Spring arm, 28a...Horizontal spring part, 28b...Vertical spring part, 28c, 28d...
... Hole, 30 ... Rotating shaft, 32 ... Shaft support material, 3
2a...Support shaft, 34...Holding member, 36...Bending piece, 38...Stopper, 40...Holding member of another embodiment.

Claims

[Claims for Utility Model Registration] (1) A drive motor and a drive pin that engages with a drive hole formed in a disk hub of an attached disk,
An integral body that integrally includes a horizontal leaf spring part that is pivotally supported at one end, and a vertical leaf spring part that is bent at right angles to the horizontal leaf spring part and extends from the other end of the horizontal leaf spring part. a spring member; rotationally driven by the drive motor;
a chucking rotary body including a spring abutting portion against which the other end of the vertical plate spring portion abuts; a spindle implanted in the chucking rotary body and rotatably supporting the integral spring member; A through hole is formed that includes the horizontal spring portion and is integrally fixed to the integral spring member with a predetermined thickness, and is formed so that the support shaft is inserted therethrough and rotatably supported. What is claimed is: 1. A disk rotation drive device comprising: (2) Claims for registration of a utility model characterized in that the holding member is molded from synthetic resin in a state that includes a part of the horizontal spring part and a part of the vertical spring part. 2. The disk rotation drive device according to item 1. (3) Utility model registration claim 1, characterized in that the holding member is a bearing member made of metal.
The disk rotation drive device described in 2.