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US 9,789,616 B2Granted
Rotary electric shaver
AssigneeIzumi Products Company
InventorYoshiyuki Mimura
Life of this patent
Estimating the term…
Abstract
A rotary electric shaver includes a blade unit which has an outer blade with multiple hair inlets formed therein and an inner blade which rotates while coming into sliding contact with a lower surface of the outer blade. The inner blade has multiple small blades, and the small blades are formed in a shape in which rake angles of a blade edge are a small angle and a large angle depending on the radial position.
Claims10
A rotary electric shaver comprising:
- a blade unit including an outer blade unit having multiple hair inlets formed therein and an inner blade unit rotating while coming into sliding contact with a lower surface of the outer blade unit, wherein the inner blade unit has multiple cutting blades, each of the cutting blades has a single cutting edge extending in a radial direction, and
- wherein the single cutting edge of at least one of the cutting blades has rake angles that vary along the radial direction.
Dependencies are inferred from the claim text.