Pickup unit
OwnerRei Shukuya, Kuniyuki Ishiiinventors
Life of this patent
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Abstract
The present invention aims at providing a pickup unit that can freely select the mounting position of an adjusting screw for making tilt adjustment and facilitates the miniaturization and thinning. An energizing force in the tracking direction at the end of main guide is received by an adjusting plate, and the adjusting plate is apart from the unit substrate by fixing its one end to a unit substrate and bringing its other end into contact with a main guide, and providing a flexible part near the one end and a through-hole near the other end in an intermediate section.
Claims3
A pickup unit including a pickup 17, a unit substrate 20, a main guide 27 and an auxiliary guide 28, both guides being arranged on the unit substrate, the pickup being guided with free to-and-fro movement to a disc D in a tracking direction to the disc by these two guides, the position of one end side of the main guide in the tracking direction to the disc being fixed and the position of the other end side being adjustable
- in which
- the pickup unit further comprises
- a spring 34 for energizing the end of main guide in the tracking direction,
- an adjusting plate 32,
- said adjusting plate having
- one end 35 fixed to the unit substrate,
- other end 36 being in touch with the end of main guide and receiving an energizing force of the spring in the tracking direction and
- an intermediate section 37 with a through-hole 38 formed near the other end and a flexible part 39 provided near the one end and arranged apart from the unit substrate, and
- adjusting screw mean 40 screwed from the rear face side with the unit substrate via the through-hole.
Dependencies are inferred from the claim text.