Device for the limitation of torque in a hair treatment device

Details Device for the limitation of torque in a hair treatment device Device for the limitation of torque in a hair treatment device

1988-10-21

1990-06-19

Jennings, Derek S.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307124, 301 57, 34 96, 34101, 132227, 132238, H02H 308

Patent

active

049356437

ABSTRACT:
In a hair treatment device with a winding mandrel driven by a motor and used to wind up hair, the current used by the motor is led through a current limiter circuit in order to limit torque. The current limiter circuit comprises an operating stage and a safety stage. The safety stage is utilized to limit current if the operating stage fails.

REFERENCES:
patent: 4409998 (1983-10-01), Bauer
patent: 4426588 (1984-01-01), Weilenmann
patent: 4591944 (1986-05-01), Gravel
patent: 4792735 (1988-12-01), Kim

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