Safety device for electric household appliances

Agitating – Mixing chamber removable from stirrer and support – Removable power drive means

Reexamination Certificate

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Details

C366S205000, C366S206000, C366S601000, C099S337000, C099S492000, C099S510000, C241S037500, C241S092000

Reexamination Certificate

active

07018091

ABSTRACT:
An electric household appliance for processing foods comprises a main body including an electric motor unit and its control elements, at least a working accessory comprising a tool designed to be driven by the motor unit and a safety device including a first member housed in the appliance main body and a second member connected to the accessory. The member is a transceiver and the second member is a transponder, the transceiver and transponder being designed to be inductively coupled by a radiofrequency or microwave electromagnetic field when the accessory is installed on the appliance body. Preferably, the transponder connected to the accessory comprises a power circuit derived from the electric power induced in the transponder antenna and additional safety elements for deactivating the powering circuit.

REFERENCES:
patent: 5852968 (1998-12-01), Sundquist
patent: 5957577 (1999-09-01), Dickson et al.
patent: 6629492 (2003-10-01), Li
patent: 30 00 593 (1981-07-01), None
patent: 197 29 662 (1999-01-01), None
patent: 199 47 466 (2001-05-01), None
patent: 2 769 199 (1999-04-01), None
patent: WO 00 19878 (2000-04-01), None

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