One-piece magnet return path assembly for a disk drive actuator

Details One-piece magnet return path assembly for a disk drive actuator One-piece magnet return path assembly for a disk drive actuator

1995-05-25

1996-12-17

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Linear

360106, H02K 4102, G11B 3300

Patent

active

055856799

ABSTRACT:
A one-piece magnet return path assembly for a disk drive actuator comprises an upper plate, a lower plate and a plurality of standoffs extending between the upper and lower plates and establishing a pre-determined spacing between the plates. The upper and lower plates and the plurality of standoffs are stamped from a single sheet of magnetically permeable material that is then bent at predetermined locations to form the completed one-piece magnet return path assembly.

REFERENCES:
patent: 4443775 (1984-04-01), Fujitani et al.
patent: 5025336 (1991-06-01), Morehouse et al.
patent: 5235482 (1993-08-01), Schmitz
patent: 5295031 (1994-03-01), Wasson
patent: 5313124 (1994-05-01), Macpherson
patent: 5345206 (1994-09-01), Morcos
patent: 5369538 (1994-11-01), Moe et al.

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