Rotary electric shaver and inner cutter therefor
AssigneeIzumi Products Company
InventorMasaki Okabe
Life of this patent
Estimating the term…
Abstract
An inner cutter including a circular hub unit, which is coupled to a rotary drive shaft, and a ring-shaped inner cutter main unit, which is secured to the hub unit and is formed with cutter blades standing up from their lower portions with the upper parts sliding against the inside lower surface of the outer cutter; and the cutter blades being formed with reduced cross-sectional portions that have a dimension in the radial direction of circular hub unit (or of the ring-shaped inner cutter main body) made smaller than a dimension in the radial direction of blade tip ends.
Claims7
A rotary electric shaver comprising a substantially disk-shaped outer cutter having hair introduction openings which open in an upper surface thereof and an inner cutter that rotates while sliding against an inside lower surface of said outer cutter;
- wherein said inner cutter comprises:
- a circular hub unit that is coupled to a rotary drive shaft of said electric shaver;
- and
- cutter blades that are secured at lower parts thereof to said hub unit, stand up from the lower parts, and slide at upper parts thereof against the inside lower surface of said outer cutter;
- and wherein
- each of said cutter blades is provided in an intermediate portion thereof with a reduced cross-sectional portion, in which a dimension thereof in a radial direction of said circular hub unit is smaller than a dimension in a radial direction of a blade tip end of each of said cutter blades.
An inner cutter for a rotary electric shaver, said inner cutter comprising:
- a circular hub unit that is coupled to a rotary drive shaft of said electric shaver;
- and
- cutter blades that are secured at lower parts thereof to said hub unit, stand up from lower parts thereof, and slide at upper parts thereof against an inside lower surface of said outer cutter;
- and wherein
- each of said cutter blades is provided in an intermediate portion thereof with a reduced cross-sectional portion, in which a dimension thereof in a radial direction of said circular hub unit is smaller than a dimension in a radial direction of a blade tip end of each of said cutter blades.
Dependencies are inferred from the claim text.