Patent ID: 7743507
Filing Date: 2010-06-29
Classification: B26B

Abstract:
1. A rotary type electric shaver comprising an outer cutter frame tat is provided on a shaver main body, an outer cutter that is installed in said outer cutter frame and has a shaving surface on an upper surface of a ring-shaped thin layer portion thereof, and an inner cutter that is driven rotationally and has a cutter body which makes sliding contact from below with a lower surface of said thin layer portion of said outer cutter, wherein said thin layer portion has a substantially arc shape that is convex upward in said radial and vertical cross-section that includes a center axis line which is a rotational center of said inner cutter, a thickness of said thin layer portion is smallest near an apex of said convex arc shape and becomes larger as a distance from said apex increases, and said shaving surface of said outer cutter is formed therein with a flat surface portion that is not orthogonal to said center axis line.