JPH0289620U - - Google Patents

Info

Publication number
JPH0289620U
JPH0289620U JP16820388U JP16820388U JPH0289620U JP H0289620 U JPH0289620 U JP H0289620U JP 16820388 U JP16820388 U JP 16820388U JP 16820388 U JP16820388 U JP 16820388U JP H0289620 U JPH0289620 U JP H0289620U
Authority
JP
Japan
Prior art keywords
objective lens
holding
holding member
neutral
drive device
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
Application number
JP16820388U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP16820388U priority Critical patent/JPH0289620U/ja
Publication of JPH0289620U publication Critical patent/JPH0289620U/ja
Pending legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)

Description

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

第1図aは本考案の一実施例にかかる対物レン
ズ駆動装置を示す概略平面図、同図bは同図aの
A―A′矢視断面図、同図cは同図aのB―B′
矢視断面図、第2図は対物レンズホルダに作用す
る回動力と復帰力を説明するための概略図、第3
図aは本考案の他の実施例にかかる対物レンズ駆
動装置の中立保持部材を示す部分斜視図、同図b
は本考案のさらに他の実施例にかかる対物レンズ
駆動装置の中立保持部材を示す部分斜視図、同図
cは本考案の別な実施例にかかる対物レンズ駆動
装置の中立保持部材を示す部分斜視図である。 1…対物レンズホルダ、1b,1c,21,2
2…保持部材、3…軸、3a…縁部、3b…平面
、3c…スリワリ、5…Eリング、6…スプリン
グワツシヤ、7,7′…板バネ、8,9…回転ス
トツパ、23,24,26,27…弾性部材、2
5…支持部材。
FIG. 1a is a schematic plan view showing an objective lens driving device according to an embodiment of the present invention, FIG. 1b is a sectional view taken along the line A-A' in FIG. B'
Fig. 2 is a schematic diagram for explaining the rotational force and return force acting on the objective lens holder;
Figure a is a partial perspective view showing a neutral holding member of an objective lens drive device according to another embodiment of the present invention, Figure b
1 is a partial perspective view showing a neutral holding member of an objective lens driving device according to yet another embodiment of the present invention, and FIG. It is a diagram. 1...Objective lens holder, 1b, 1c, 21, 2
2... Holding member, 3... Shaft, 3a... Edge, 3b... Plane, 3c... Slit, 5... E ring, 6... Spring washer, 7, 7'... Leaf spring, 8, 9... Rotation stopper, 23, 24, 26, 27...Elastic member, 2
5...Supporting member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] レーザビームを集束する対物レンズを保持する
保持部材をトラツキング方向には回動し光軸方向
には支持部材に摺動させた状態で移動する対物レ
ンズ駆動装置において、上記支持部材に摺動して
上記対物レンズの中立位置を保持するための中立
保持摺動部材は上記保持部材に取り付けられてい
ることを特徴とする光ピツクアツプ装置。
In an objective lens drive device that rotates a holding member that holds an objective lens that focuses a laser beam in a tracking direction and slides on a support member in an optical axis direction, An optical pickup device characterized in that a neutral holding sliding member for holding the objective lens in a neutral position is attached to the holding member.
JP16820388U 1988-12-28 1988-12-28 Pending JPH0289620U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16820388U JPH0289620U (en) 1988-12-28 1988-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16820388U JPH0289620U (en) 1988-12-28 1988-12-28

Publications (1)

Publication Number Publication Date
JPH0289620U true JPH0289620U (en) 1990-07-16

Family

ID=31457175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16820388U Pending JPH0289620U (en) 1988-12-28 1988-12-28

Country Status (1)

Country Link
JP (1) JPH0289620U (en)

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