Rotary disc loading mechanism

Details Rotary disc loading mechanism Rotary disc loading mechanism

1989-05-05

1990-11-06

Shoop, Jr., William M.

Dynamic information storage or retrieval

With particular cabinet structure

Slotted for edgewise insertion of storage disc

369 752, G11B 2504

Patent

active

049691406

ABSTRACT:
A mechanism for loading compact discs or similar rotary discs, in which two guide arms are rotatably mounted on a base plate symmetrically with respect to its center line and a disc detect arm is rotatably mounted on each guide arm. Each guide arm has a large-diametered disc holding portion for holding a large-diametered disc and a small-diametered disc holding portion for holding a small-diametered disc. Each guide arm is being applied a moment which reverses its direction when the guide arm passes a predetermined rotational angular position of the guide arm. The disc detect arm is being applied a moment in a direction in which a projection provided at its one end enters into the large-diametered disc holding portion and the other end of the disc detect arm slides in an L-shaped guide slot made in the base plate, thereby limiting the rotational movement of the disc detect arm and the rotational movement of the guide arm. In consequence, each guide arm is normally held in its locked state at a rotational angular position for receiving the small-diametered disc. When the large-diametered disc is loaded, it collides with the projections of the disc detect arms to turn them, by which the guide arms are each unlocked and permitted to turn to a rotational angular position for receiving the large-diametered disc.

REFERENCES:
patent: 4498162 (1985-02-01), Schatteman
patent: 4509157 (1985-04-01), Morinaga
patent: 4523306 (1985-06-01), Staar
patent: 4641298 (1987-02-01), Ikedo et al.
patent: 4674079 (1987-06-01), Agostini
patent: 4677607 (1987-06-01), Ejini
patent: 4697259 (1987-09-01), Talcanashi
patent: 4701901 (1987-10-01), Imai
patent: 4733387 (1988-03-01), Yoshimura
patent: 4839880 (1989-06-01), D'Alayer de Costenore D'Arc et al.
patent: 4882722 (1989-11-01), Mutsuura et al.

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