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US 7,596,866 B2Granted
Safety razors
AssigneeThe Gillette Company
InventorsIan Saker, Joseph Roger Yeoman
Life of this patent
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Abstract
The invention relates to safety razors having a blade unit carried on a handle that includes a vibration mechanism and a control device for controlling operation of the vibration mechanism, the control device being connected to an electrode arrangement that can comprise a blade and an electrically conductive casing of the handle, to detect water so that the vibration mechanism is activated in response to the blade unit being immersed into a body of water for rinsing.
Claims20
A safety razor comprising:
- a blade unit having at least one blade with a sharp cutting edge;
- a handle on which the blade unit is carried;
- an electrical device comprising a vibration generator for vibrating at least one component of the blade unit;
- and
- a control device for controlling operation of the electrical device,
- wherein the control device is responsive to a water detecting arrangement whereby the electrical device is actuated when a person using the razor immerses the blade unit into a body of water for cleaning the blade unit.
3 more elements
Dependencies are inferred from the claim text.