Patent ID: 6968620

Claim:
An electric shaver comprising: an outer cutter in which a shaving surface that contacts the skin is formed in a ring shape and an inside surface of said shaving surface is formed as an outer cutter surface, and an inner cutter in which a portion that makes sliding contact with said outer cutter surfaces formed as an inner cutter surface, said inner cutter surface being connected to an inner cutter drive shaft so as to be rotated, wherein said outer cutter and said inner cutter be tiltably disposed with respect to a cutter frame that is disposed on an electric shaver main body; said inner cutter surface is formed as a convex curved surface that protrudes towards said outer cutter side, said outer cutter surface is formed as a concave curved surface that receives said convex curved surface of said inner cutter surface, and said convex inner cutter surface and said concave outer cutter surface are in an engagement with each other so as to prevent axial deviation of said inner cutter; and said outer cutter surface is formed, on at least a part thereof, with an outer cutter guide surface whose shape in cross section in a direction of diameter of said outer cutter is rectilinear, and said inner cutter surface is formed with an inner cutter guide surface which makes sliding contact with said outer cutter guide surface.