Biaxial actuator
AssigneeSony Corporation
InventorsKazuhiko Toyama, Shingo Shimokawa
Life of this patent
Estimating the term…
Abstract
A biaxial actuator for an optical pickup wherein by the downward stroke of the lens holder being limited by abutment of the lens holder with the slide base and the adjusting plate and the actuator cover each being fixed to the slide base or by the actuator cover being fixed to the yoke and fixing elements for fixing the actuator cover to the yoke being provided at front and rear end portions of the actuator cover and the yoke dispersion in the focussing direction stroke of the lens holder is reduced, the stroke of the lens holder is not limited even when the lens holder is mounted diagonally, and the actuator cover is correctly positioned and firmly held with respect to the yoke with no looseness therebetween.
Claims5
A biaxial actuator comprising:
- a biaxial base forming a base member;
- a yoke formed on the biaxial base;
- and
- an actuator cover fixed to the yoke for covering the biaxial actuator,
- wherein fixing means for fixing the actuator cover to the yoke are provided at front and rear end portions of the actuator cover and the yoke.
Dependencies are inferred from the claim text.