Press-fit glueless bearing pivot assembly for a rotary actuator

Details Press-fit glueless bearing pivot assembly for a rotary actuator Press-fit glueless bearing pivot assembly for a rotary actuator

1995-04-25

1996-07-23

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 9806, 360 9908, G11B 555, G11B 2108, G11B 1708, G11B 1702

Patent

active

055395970

ABSTRACT:
A pivot assembly for an actuator arm of a disk drive is disclosed. The housing of the actuator arm is supported on a shaft by two or more bearings. An assembly load is applied to the housing relative to the shaft such that the assembly load is carried by only one of the bearings. The axial location of the housing relative to the shaft with the assembly load applied is observed as a reference location. The assembly load is removed. One of the races of a bearing is moved until the housing returns to the reference location. In this state the bearings have a preload which is equal to the assembly load. The preload can be achieved with none of the races being loose-fit, and there is no need for adhesive.

REFERENCES:
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patent: 5341569 (1994-08-01), Takamizawa et al.
patent: 5373407 (1994-12-01), Stupak, Jr. et al.
patent: 5421088 (1995-06-01), Kawamura

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