Disc player with simplified lifting and lowering mechanism

Details Disc player with simplified lifting and lowering mechanism Disc player with simplified lifting and lowering mechanism

1991-03-29

1993-10-05

Levy, Stuart S.

Dynamic information storage or retrieval

With particular cabinet structure

With mechanism to place disc on a turntable

360 9907, 369 771, G11B 1704

Patent

active

052511952

ABSTRACT:
A disc player having a tray drive mechanism, a disc clamp mechanism and a pickup assembly which are mounted on a fixed chassis. A spindle motor for drivingly rotating a turntable is coupled to a motor lift mechanism and drivable upward and downward relative to the chassis. The turntable is movable upward from a standby position below a tray in a loading completed position to a disc clamping completed position where the disc can be pressed into contact with a clamp of the disc clamp mechanism. A drive gear mechanism has a plurality of output portions coupled to the tray drive mechanism, the motor lift mechanism, and the pick-up assembly. The drive gear mechanism also has a power transmission change-over device for transmitting the power of a loading motor selectively to are of the clamps mechanism, the tray drive mechanism, and the pick-up assembly.

REFERENCES:
patent: 4332023 (1982-05-01), Okamura et al.
patent: 4701901 (1987-10-01), Imai
patent: 4800551 (1989-01-01), Norris
patent: 4941140 (1990-07-01), Ono et al.
patent: 5119357 (1992-06-01), Tsuruta et al.

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