Electrical generator or motor structure – Dynamoelectric – Oscillating
Patent
1980-02-05
1982-04-20
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Oscillating
310 38, 30 45, H02K 3306
Patent
active
043261388
ABSTRACT:
Hair cutting apparatus comprising a housing; an AC electromagnet fixed in the housing and defining a gap; at least one permanent magnet disposed for reciprocating motion in the gap; a mounting member pivotally mounting the at least one permanent magnet about an axis fixed in the housing; and apparatus for drivingly connecting the mounting member to a hair cutting head for reciprocal motion of cutting apparatus in the cutting head in response to reciprocating motion of the at least one permanent magnet in the gap.
REFERENCES:
patent: 3493793 (1970-02-01), Niemela
patent: 3505545 (1970-04-01), Bey
patent: 3538358 (1970-11-01), Bauerle
Duggan Donovan F.
Yeda Research & Development Co. Ltd.
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