Carriage shift assembly for disc driving device

Details Carriage shift assembly for disc driving device Carriage shift assembly for disc driving device

1986-05-30

1988-08-23

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 97, G11B 555, G11B 5012

Patent

active

047665106

ABSTRACT:
A disc driving device including a drive mechanism for rotating a disc-like magnetic recording medium to record and reproduce information with respect to the recording medium; a stepping motor provided with a screw shaft, the screw shaft extending through a body of the stepping motor from a bearing portion provided in the stepping motor body up to a bearing portion provided at an opposite end side, and the screw shaft being partially formed with a feed screw; a guide rod disposed in parallel with the screw shaft; a carriage which is slidable along the guide rod and which has an engaging piece, the engaging piece being engaged with the feed screw to convert a rotational motion of the stepping motor into a linear motion and effecting a vertical positioning for the carriage; and a housing formed with guide slots capable of receiving therein the guide rod and both bearing portions of the stepping motor, the guide rod and the stepping motor bearing portions being mounted into the guide slots of the housing from the side where the recording medium is placed.

REFERENCES:
patent: 3936879 (1976-02-01), Gustafson
patent: 4224648 (1980-09-01), Roling
patent: 4315290 (1982-02-01), Kukreja
patent: 4641212 (1987-02-01), Yokota et al.
patent: 4642717 (1987-02-01), Matsuda et al.
patent: 4652951 (1987-03-01), Kirn

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