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Patent

  

United States Patent [w]

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US005810856A [ii] Patent Number: [45] Date of Patent:

5,810,856 Sep. 22, 1998

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Primary Examiner—Michael Powell Buiz

Assistant Examiner—Daphna Shai

Attorney, Agent, or Firm—Leydig, Voit & Mayer, Ltd.

[57] ABSTRACT

A wiping or scraping device, particularly for cleaning a human tongue, is provided having one or more wiping teeth or wiping elements. Each tooth or element has at least one scoop-like side which terminates at a wiping edge or ridge in an undercutting fashion. Various embodiments are provided for providing bi-directional or planar-directional wiping or cleaning action. For example, embodiments of the invention include wiping devices, linear wiping elements or circular wiping elements with outwardly-directed and/or inwardly-directed annular wiping edges. The wiping device may include a plurality of wiping elements arranged in a row or array. Embodiments are provided wherein the wiping device is configured for use as a windshield wiper or squeegee.

21 Claims, 7 Drawing Sheets

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