A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
A47J 27/21 (2006.01) H01H 37/44 (2006.01)
Patent
CA 2267871
The present invention relates to a:n electric kettle suitable for boiling water. The electric kettle, includes a jug, an electric heating element in the bottom of the jug, a manually operable switch and a control mechanism to open the switch when the kettle boils. The mechanism comprises a reaction plate having an upwardly extending arm, the reaction plate is positioned above the heating element to be acted upon by bubbles generated by the heating element, the reaction plate and arm are slidable between a lower position to which they fall by gravity, and a higher position to which they are raised by action of the bubbles on the reaction plate and in which the arm opens the switch. This arrangement enjoys the significant advantage that it can be fitted to current kettle designs without any need to redesign the jug or the space housing the switching mechanism. The arm may pass through the aperture through which steam is vented to heat the bimetallic strip of current kettles. Embodiments of the invention also enjoy the advantage that the switch is opened by a movement of the mechanism that is directly related to the vigour with which the kettle boils.
Bkp Gp
Breville Pty Ltd.
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