Electrical generator or motor structure – Dynamoelectric – Oscillating
Patent
1991-07-11
1992-06-16
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Oscillating
310 43, 310208, 335222, 360107, G11B 2108, H02K 3316, H02K 3504
Patent
active
051227037
ABSTRACT:
A swing-type actuator comprising (a) a housing comprising two yokes and permanent magnets attached to the yokes with their different magnetic poles opposing each other, a magnetic gap existing between the opposing permanent magnets; and (b) a swingable arm having one end to which a movable coil is fixed and the other end to which a function member is fixed, such that the movable coil is swingable in the magnetic gap, the movable coil being integrally fixed to the arm by a hold member made of a thermoplastic resin having a modulus of 10.sup.5 kg/cm.sup.2 or more.
REFERENCES:
patent: 4553058 (1985-11-01), Iwasaki
patent: 4639624 (1987-01-01), Ejiri et al.
patent: 4855853 (1989-08-01), Matsushita et al.
patent: 4951023 (1990-08-01), Erd et al.
Oda Koichi
Okada Saburo
Takahashi Fumihiko
501 Hitachi Metals Ltd.
Rebsch D. L.
Stephan Steven L.
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