JPS62142727U - - Google Patents
Info
- Publication number
- JPS62142727U JPS62142727U JP2831986U JP2831986U JPS62142727U JP S62142727 U JPS62142727 U JP S62142727U JP 2831986 U JP2831986 U JP 2831986U JP 2831986 U JP2831986 U JP 2831986U JP S62142727 U JPS62142727 U JP S62142727U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- press
- base
- damper
- holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 6
Landscapes
- Optical Head (AREA)
Description
第1図はこの考案の光ピツクアツプ装置に適用
されるダンパー取付用シヤフトの正面図、第2図
はその側面図、第3図はその平面図、第4図はこ
の考案の一実施例による光ピツクアツプ装置を示
す平面図、第5図はその正面図であり、要部シヤ
フトは断面図で示しており、第6図は従来の光ピ
ツクアツプ装置を示す平面図、第7図はその縦正
面図であり、要部シヤフトは断面図で示したもの
である。
図において、1はベース、2は支軸、3はホル
ダー、4は対物レンズ、5はダンパー、6a,6
bはシヤフト、7a,7bは穴、8a,8bは圧
入細径部、9は削りかす逃げ凹部、10は空気逃
げ穴である。なお、図中、同一符号は同一又は相
当部分を示す。
Fig. 1 is a front view of a damper mounting shaft applied to an optical pickup device of this invention, Fig. 2 is a side view thereof, Fig. 3 is a plan view thereof, and Fig. 4 is an optical system according to an embodiment of this invention. FIG. 5 is a plan view showing a pick-up device, FIG. 5 is a front view thereof, and the main shaft is shown in a sectional view. FIG. 6 is a plan view showing a conventional optical pick-up device, and FIG. 7 is a vertical front view thereof. The main shaft is shown in cross-section. In the figure, 1 is a base, 2 is a support shaft, 3 is a holder, 4 is an objective lens, 5 is a damper, 6a, 6
b is a shaft, 7a and 7b are holes, 8a and 8b are press-fit narrow diameter portions, 9 is a swarf escape recess, and 10 is an air escape hole. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
軸線方向に移動自在となつた筒状の可動軸と、こ
の可動軸に固定され、前記支軸の軸線方向と平行
な光軸を有するレンズを保持するホルダーを、こ
のホルダーに取付けられ、該ホルダーの駆動を制
御するダンパーと、このダンパーを保持する前記
ベースに立てたシヤフトを有し、前記レンズを介
してデイスクに集光させる光スポツトのトラツク
ずれおよび集点ずれを前記ホルダーを駆動して制
御する光ピツクアツプ装置において、前記ダンパ
ーを保持するシヤフトの端部に前記ベースの穴に
圧入する圧入細径部を設け、この圧入細径部の基
部に圧入時に出る削かすを収納する削かす逃げ凹
部を設けるとともに該シヤフトに圧入時の空気の
逃げ穴を設けたことを特徴とする光ピツクアツプ
装置。 A cylindrical movable shaft that is fitted onto a support shaft mounted on a base and is rotatable and movable in the axial direction, and a lens that is fixed to this movable shaft and has an optical axis parallel to the axial direction of the support shaft. A light spot track includes a damper that is attached to the holder and controls the drive of the holder, and a shaft that is erected on the base that holds the damper, and that focuses light onto the disk via the lens. In an optical pickup device that controls deviation and focal point deviation by driving the holder, a press-fit small diameter part is provided at the end of the shaft holding the damper to be press-fitted into the hole in the base, and a base of the press-fit small diameter part is provided. An optical pickup device characterized in that the shaft is provided with a shavings escape recess for storing shavings produced during press-fitting, and the shaft is provided with an escape hole for air during press-fitting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2831986U JPS62142727U (en) | 1986-02-28 | 1986-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2831986U JPS62142727U (en) | 1986-02-28 | 1986-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62142727U true JPS62142727U (en) | 1987-09-09 |
Family
ID=30831165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2831986U Pending JPS62142727U (en) | 1986-02-28 | 1986-02-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62142727U (en) |
-
1986
- 1986-02-28 JP JP2831986U patent/JPS62142727U/ja active Pending
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