Head carriage with restraining member that engages lead screw du

Details Head carriage with restraining member that engages lead screw du Head carriage with restraining member that engages lead screw du

1997-06-26

1999-03-30

Korzuch, William R.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

369223, G11B 555, G11B 2108

Patent

active

058896384

ABSTRACT:
A head carriage of a disk drive apparatus includes a carriage main body for supporting a first magnetic head; and a head arm which is rotatably provided in the carriage main body, and supports a second magnetic head. The head carriage has an engaging projection engaged with the lead screw and is moved by a distance in proportion to the rotation of the lead screw driven by a stepping motor. A restraining member that is detached from the spiral groove of the lead screw and restrains; relative displacement of the head carriage with respect to the lead screw. The restraining member is provided in the carriage main body.

REFERENCES:
patent: 4528607 (1985-07-01), Thompson
patent: 5187624 (1993-02-01), Shigemoto
patent: 5198946 (1993-03-01), Kurosawa
patent: 5535076 (1996-07-01), Kamioka et al.
patent: 5546252 (1996-08-01), Hasegawa

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