Disk drive rotary actuator with rocking pivot

Details Disk drive rotary actuator with rocking pivot Disk drive rotary actuator with rocking pivot

1995-09-15

1996-09-24

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360104, G11B 555, G11B 2108

Patent

active

055596525

ABSTRACT:
A disk drive rotary actuator with a rocking pivot allowing limited angular rotation of an actuator arm assembly. A surface (34) fixed to the arm 16 rocks on fixed surface (32) held in contact by a spring (50). Second rocking surfaces are also provided on the rotational axis. A flexure leaf (40) connects the arm (16) to the disk drive base to provide positional stability. The rocking pivot actuator has advantages of simplicity, and improved frictional characteristics. A flexible circuit connection may pass through the pivot.

REFERENCES:
patent: 3849800 (1974-11-01), Cuzner et al.
patent: 4860137 (1989-08-01), Shtipelman
patent: 4879617 (1989-11-01), Sampietro et al.
patent: 4995025 (1991-02-01), Schulze
patent: 5029030 (1991-07-01), Luecke
patent: 5117318 (1992-05-01), Immler et al.
patent: 5130959 (1992-07-01), Wakatsuki et al.
patent: 5136446 (1992-08-01), Yamamoto et al.
patent: 5161077 (1992-11-01), Jabbari
patent: 5355268 (1994-10-01), Schulze
Heath JS Design of a Swinging Arm Actuator for a Disk File. IBM J Res and Dev. Jul. 1976.

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