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ULTRASONIC ELECTRIC SHAVER

  • US 3,756,105 A
  • Filed: 10/28/1971
  • Issued: 09/04/1973
  • Est. Priority Date: 10/28/1971
  • Status: Expired due to Term
First Claim
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1. A method of shaving hair comprising the steps of A. positioning adjacent the hairs to be shaved a guard member capable of supporting vibrations in the ultrasonic range and having a plurality of apertures extending from an outer surface adapted for engagement with the skin of the user to an inner surface, B. moving a cutter member relative to the inner surface of said guard member to sever the hairs extending through said apertures, and C. inducing vibrations in said guard member at a frequency in the ultrasonic range to increase the rate of uptake of the hairs through said apertures.

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