JPS591135U

JPS591135U - Optical pick-up actuator

Info

Publication number: JPS591135U
Application number: JP9644182U
Authority: JP
Inventors: 一彦佐野
Original assignee: 松下電器産業株式会社
Priority date: 1982-06-25
Filing date: 1982-06-25
Publication date: 1984-01-06

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示し、第１図は本考案に係る
光学式ピックアップアクチュエータの平°面図、第２図
は第１図のＡ−Ａ断面図、第３図は第１図のＢ−Ｂ断面
図（なお、第２図、第３図は光学系筒を断面表示してい
ない）、第４図は本考案に係る光学式ピックアップアク
チュエータの他の実施例における平面図である。１・・・光学系筒、８・・・円筒状コイル、１３．１６
・・・板バネ、１４．１７・・・ガイドポスト、Ｇ・・
・光学系筒の重心。・第３図′−−一−The drawings show one embodiment of the present invention; FIG. 1 is a plan view of an optical pickup actuator according to the present invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIG. FIG. 4 is a plan view of another embodiment of the optical pickup actuator according to the present invention. . 1... Optical system tube, 8... Cylindrical coil, 13.16
...Plate spring, 14.17...Guide post, G...
- Center of gravity of the optical system tube.・Figure 3'--1-

Claims

[Claims for Utility Model Registration] 1. A pickup actuator for an optical recording/reproducing device, in which plate springs having a predetermined width in the optical axis direction are attached to multiple locations in the circumferential direction on the side surface of the optical thread tube, and each plate spring A guide post is provided that comes into contact with the plate spring, and when the optical system tube moves in the optical axis direction, the guide post serves as a sliding guide for the leaf spring, and when the optical system tube moves in the direction perpendicular to the optical axis (sometimes the plate An optical pickup actuator characterized in that the actuator serves as a supporting end of a spring.- A two-plate spring is set at an angle of 45° with respect to a coil attached at multiple locations in the circumferential direction on the side surface of the optical thread tube. The optical pickup actuator according to claim 1, which is characterized in that the actuator is attached in four directions on the side surface of the optical thread tube. 3. The center of the leaf spring and coil attached to the side surface of the optical thread tube is The optical pickup actuator according to claim 1 or 2 of the utility model registration, characterized in that the actuator is aligned with the center of gravity of the optical system tube. 5. The optical pickup actuator according to claim 1 or 2, which is formed by a pair of leaf springs sandwiching the 5. The optical pickup actuator according to claim 1 or 2 of the collected patent claim, characterized in that the actuator is sandwiched between guide posts. 6. At least one of the pair of guide posts that sandwich the leaf spring is a roller. The optical pickup actuator according to claim 5 of the registered utility model, characterized in that: 7. Applying a spring force to a pair of guide posts sandwiching a leaf spring;
7. The optical pickup actuator according to claim 5 or 6, wherein the optical pickup actuator is sandwiched while pressing a plate spring.