Metal working – Means to assemble or disassemble – Means to assemble electrical device
Patent
1987-07-21
1988-06-07
Hall, Carl E.
Metal working
Means to assemble or disassemble
Means to assemble electrical device
29596, 29607, 29744, H02K 1502, H01F 706
Patent
active
047487380
ABSTRACT:
Apparatus for assembling a pair of high strength magnets and the common pole piece into a unit for use in a disk drive includes a bed with a channel in which the magnets can slide or translate, and a stop centrally located in the channel to prevent execessive impact between the magnets as they slide under the force of mutual attraction toward each other. A recess in the bottom of the channel below the stop is adapted to receive the pole piece, and the attractive force between the pole piece and the magnets firmly attaches the magnets to the pole piece in the desired location after they have been properly positioned with respect to the pole piece by interaction of the stop and channel walls with the magnets. After the magnets have attached themselves to the pole piece, the assembly can be handled without shifting the magnets on the pole piece to allow further manufacturing processes, say baking in an oven where glue on the surface of the magnets or pole piece can be melted to mechanically bond the assembly together.
REFERENCES:
patent: 3986252 (1976-10-01), Brunschwig
patent: 4126933 (1978-11-01), Anderson et al.
patent: 4443934 (1984-04-01), Hickey
patent: 4586244 (1986-05-01), Muller
patent: 4608752 (1986-09-01), Muller
patent: 4644640 (1987-02-01), Muller
Genovese Joseph A.
Hall Carl E.
Magnetic Peripherals Inc.
Schwarz Edward
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