Compact motor mount for cassette drive

Details Compact motor mount for cassette drive Compact motor mount for cassette drive

1990-10-09

1991-07-02

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

370256, 370268, 360 90, H02K 504, G11B 1500

Patent

active

050288296

ABSTRACT:
A compact motor mount for cassette drive systems includes a base plate in the form of a laminate that includes at least one planar layer of ferromagnetic material sandwiched between two printed circuit boards. A capstan motor is supported by the base plate. The stator coil assembly of the capstan motor is mounted on one side of the base plate directly on one of the two printed circuit boards. At least one winding drive motor also is supported in common with the capstan motor by the base plate. The stator coil assembly of the drive motor is mounted on the other side of the base plate directly on the second of the two printed circuit boards. Each of the motors has a permanent magnet rotor mounted on a shaft and facing the respective stator coil assemblies across an air gap defined therebetween.

REFERENCES:
patent: 4292557 (1981-09-01), Kishi
patent: 4471393 (1984-09-01), Ishigo et al.
patent: 4626727 (1986-12-01), Janson
patent: 4633110 (1986-12-01), Genco et al.
patent: 4661735 (1987-04-01), Miki et al.
patent: 4737672 (1988-04-01), Kazami
patent: 4961017 (1990-10-01), Kakinoki et al.
patent: 4982130 (1991-01-01), Cap et al.

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