JPS62161356U

JPS62161356U -

Info

Publication number: JPS62161356U
Application number: JP4707886U
Authority: JP
Priority date: 1986-04-01
Filing date: 1986-04-01
Publication date: 1987-10-14

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の要部を示す斜視図
、第２図は従来のデイスク駆動装置全体の該略を
示す平面図、第３図は従来例のハウジングとキヤ
リツジ移送機構を示す平面図、第４図ａは従来の
係合子の平面図、第４図ｂは同係合子の正面図、
第５図ないし第７図はスクリユーシヤフトを説明
するためのものであり、第５図は要部拡大図、第
６図は側面図、第７図はスクリユーシヤフトの進
み角度とキヤリツジの移動距離との開係を示す図
である。１２……キヤリツジ、１９……磁気ヘツド、２
０……スクリユーシヤフト、２０ａ……螺旋状溝
、２３……係合子、２３ｂ……尖端部、３１……
弾性体、Ｇ……溝部、Ｉ……突出稜、Θ……進み
角度、Ａ……キヤリツジの送り方向、Ｂ……キヤ
リツジの送り方向と直交する方向。 Fig. 1 is a perspective view showing the main parts of an embodiment of the present invention, Fig. 2 is a plan view schematically showing the entire conventional disk drive device, and Fig. 3 shows the housing and carriage transfer mechanism of the conventional example. A plan view, FIG. 4a is a plan view of a conventional engager, FIG. 4b is a front view of the same engager,
Figures 5 to 7 are for explaining the screw shaft. Figure 5 is an enlarged view of the main parts, Figure 6 is a side view, and Figure 7 is the advance angle of the screw shaft and the movement of the carriage. It is a diagram showing the relationship between distance and distance. 12...Carriage, 19...Magnetic head, 2
0... Screw shaft, 20a... Spiral groove, 23... Engagement element, 23b... Point end, 31...
Elastic body, G... Groove, I... Protruding ridge, Θ... Advance angle, A... Carriage feeding direction, B... Direction perpendicular to the carriage feeding direction.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

進み角が略０度であるとともに、略直線状の溝
底部を有する溝部を周方向に沿つて複数設け、か
つ、これらの溝部を軸方向に順次ずらして連設す
ることにより一つの螺旋状溝を軸外周部に形成し
てなるスクリユーシヤフトと、キヤリツジ側に設
けられて上記スクリユーシヤフトの溝部に係合す
る係合子とを備え、該スクリユーシヤフトを回動
することによりキヤリツジを直進間欠移送するも
のにおいて、上記係合子の上記溝部に直接係合す
る部分を、キヤリツジの送り方向と直交する方向
に回動可能な弾性体を介して支持したことを特徴
とするキヤリツジ移送装置。 A single helical groove is formed by providing a plurality of grooves having an advance angle of approximately 0 degrees and a substantially linear groove bottom along the circumferential direction, and sequentially displacing these grooves in the axial direction. a screw shaft formed on the outer periphery of the shaft, and an engaging element provided on the carriage side to engage with a groove of the screw shaft, and by rotating the screw shaft, the carriage is moved intermittently in a straight line. 1. A carriage transfer device, characterized in that a portion of the engager that directly engages with the groove is supported via an elastic body that is rotatable in a direction perpendicular to the carriage feeding direction.