Automatic magnetic recording medium ejecting mechanism for use i

Details Automatic magnetic recording medium ejecting mechanism for use i Automatic magnetic recording medium ejecting mechanism for use i

1987-10-21

1989-05-09

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 9907, G11B 17028, G11B 1704

Patent

active

048293938

ABSTRACT:
An automatic magnetic recording medium ejecting mechanism for use in combination with a magnetic disk driving unit employs the spindle motor of the magnetic disk driving unit as a driving source for ejecting a magnetic disk cassette therefrom. The automatic magnetic recording medium ejecting mechanism includes, as essential components thereof, a gear mechanism for transmitting the rotative force of the spindle motor to an ejecting plate so that the ejecting plate is moved to a standby position where the ejecting plate is locked by a pressing and locking device which locks the ejecting plate at the standby position and presses the magnetic disk cassette for ejection until a magnetic disk cassette is inserted in the magnetic disk driving unit, a switch for detecting the completion of operation of the spindle motor for moving the ejecting plate to the standby position, and a switch control device interlocked with the gear mechanism for controlling the switch. The gear mechanism includes a pinion which disconnects a subsequent gear train from the spindle motor when the spindle motor operates in the normal direction for a read/write operation, and connects the subsequent gear train to the spindle motor when the spindle motor operates in the reverse direction for ejecting the magnetic disk cassette.

REFERENCES:
patent: 4656544 (1987-04-01), Yamanouchi
patent: 4670802 (1987-06-01), Ogawa et al.
patent: 4716477 (1987-12-01), Uehara
patent: 4723185 (1988-02-01), Maeda
patent: 4736357 (1988-04-01), Uehara et al.
patent: 4772965 (1988-09-01), Kato et al.
patent: 4774608 (1988-09-01), Horiuchi et al.

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