Cleaning appliance
AssigneeDyson Technology Limited
InventorsRobert Lawrence Tweedie, Timothy Nicholas Stickney, Christopher Graham Vincent, Alan Harold Henry Mole, Stephen Benjamin Courtney
Life of this patent
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Abstract
A dental cleaning appliance includes a handle and a fluid delivery system. The fluid delivery system includes a nozzle for delivering a burst of working fluid to the teeth of a user. A contact member for engaging the teeth of the user is moveable relative to the nozzle as the appliance is moved along the teeth of the user. A sensor provides an output which varies with movement of contact member relative to the nozzle. A control circuit actuates the delivery of working fluid to the teeth of the user depending on the output from the sensor.
Claims37
A dental cleaning appliance comprising:
- a fluid delivery system comprising a nozzle for delivering a burst of working fluid to the teeth of a user;
- a contact member for engaging the teeth of the user, the contact member being moveable relative to the nozzle as the appliance is moved along the teeth of the user;
- a sensor for providing an output which varies based on movement of the contact member relative to the nozzle;
- and
- a control circuit for actuating the delivery of working fluid to the teeth of the user depending on the output from the sensor.
Dependencies are inferred from the claim text.