US Patent 6918154 Toothbrush with longitudinal and lateral motion conversion
Patent 6918154 was granted and assigned to LG on July, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A toothbrush has a number of rotatable brush assemblies mechanically linked so as to move together with a handle. Each rotatable brush assembly includes a wheel, with radially projecting bristles, configured to rotate about an axis which is roughly parallel to a plane of contact with the teeth. The axis of rotation is inclined relative to a primary direction of insertion of the toothbrush, corresponding to an extensional direction of the handle, by an angle of between about 15° and about 75°, and preferably closer to 45°.
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Patent Inventor Names
Tsafrir Ben-Ari0
Date of Patent
July 19, 2005
0Patent Application Number
102302060
Date Filed
August 29, 2002
0Patent Primary Examiner
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US Patent 6918154 Toothbrush with longitudinal and lateral motion conversion
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