Aerodynamic propeller latch for a disc drive

Details Aerodynamic propeller latch for a disc drive Aerodynamic propeller latch for a disc drive

1998-04-30

2000-12-19

Korzuch, William R.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 2122

Patent

active

061634336

ABSTRACT:
An actuator latch for latching an actuator of a disc drive having a rotating disc that induces airflow when the disc drive is operational, the actuator latch having a horizontally disposed shaft supported by a pair of bearing clips for sliding and rotational movement of the shaft, the shaft supporting a plurality of propeller blades to rotate the shaft in response to airflow generated by rotation of the disc. A torsion return spring is attached to the shaft at a proximal end and to the disc drive at a proximal end, so that rotation of the shaft winds up the torsion return spring and urges the shaft longitudinally in a direction toward the torsion spring distal end. In the absence of airflow the torsion spring unwinds and urges the shaft in a direction away from the distal end thereof. A locking member is attached to the shaft and abuttingly engages the actuator in a non-rotated mode of the shaft wherein the actuator latch is in a latched mode, and wherein the locking member disengages and clearingly advances away from the actuator in an unlatched mode of the actuator latch.

REFERENCES:
patent: 5036416 (1991-07-01), Mastache
patent: 5283705 (1994-02-01), Iwabuchi
patent: 5319511 (1994-06-01), Lin
patent: 5602700 (1997-02-01), Viskochil et al.
patent: 5623384 (1997-04-01), Hickox et al.

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