Electric liquid heating appliance
AssigneeTI Russell Hobbs Limited
InventorsMichael Inskip, Alan Warren
Life of this patent
Estimating the term…
Abstract
The appliance, e.g. an electric kettle has a body shell, a heating element within the body shell and having two ends which project through the body shell to the outside thereof, and a switch housing mounted on the outside of the body shell. A pair of switching contacts are opened and closed by a switch operating member or dolly. One of the switching contacts is movable by the dolly and is supported relative to the housing. The other switching contact is a fixed contact and is provided at one end of the heating element.
Claims5
An electric liquid heating appliance comprising a body shell, a heating element within the body shell and having two ends which project through the body shell to the outside thereof, a switch housing mounted on the outside of the body shell, a switch comprising a pair of switching contacts and a switch operating member which is supported by the switch housing and which is manually operable both to close and open the switching contacts, said switch having a resilient blade-like electrically conductive element movable by said switch operating member, one of the switching contacts comprising a fixed contact provided directly on one end of the heating element and the other switching contact comprising a movable contact provided on the blade-like electrically conductive element, and means supported by the switch housing and mounted to sense steam from within the body shell for moving the switch operating member to move said blade-like element and open the contacts when a liquid in the appliance boils.
Dependencies are inferred from the claim text.