Domestic vibration apparatus with lever drive

Details Domestic vibration apparatus with lever drive Domestic vibration apparatus with lever drive

1989-06-28

1991-04-30

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

30 4392, 74 42, 310 47, B20B 1902, F16D 300, F16F 1512

Patent

active

050121472

ABSTRACT:
A domestic vibration apparatus, in particular a dry-shaver or hair trimmer, in which rotary movements of a two-pole permanent magnet (9) forming a rotor are converted into vibratory movements of a vibration tool by means of a lever system (13) which preloads the drive in such a way that the rotor (9) can oscillate about a rest position,t he two-pole permanent-magnet rotor (9) without pole-pieces being arranged in the U-shaped stator of a single-phase synchronous motor.

REFERENCES:
patent: 3244916 (1966-04-01), Jepson
patent: 4019252 (1977-04-01), Port et al.
patent: 4760297 (1988-07-01), Schemmann
patent: 4791327 (1988-12-01), Bertram et al.

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