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US 2002/0157197 A1Published application
Electric toothbrush with revolvable brush head
AssigneeWIK Far East Ltd.
InventorKlaus Hafemann
Life of this patent
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Abstract
An electric toothbrush includes a handle, a brush head defining a brushing plane, and a guide arrangement supported by the handle and, in turn, supporting the brush head to undergo movement along an endless path of revolution having an axis extending substantially parallel to the brushing plane such that the brushing plane is maintained in the same orientation relative to a surface of a set of teeth throughout movement of the brush head along the endless path of revolution.
Claims15
An electric toothbrush, comprising:
- (a) a handle;
- (b) a brush head defining a brushing plane;
- and
- (c) a guide arrangement supported on said handle and, in turn, supporting said brush head to undergo movement along an endless path of revolution having an axis of revolution extending substantially parallel to said brushing plane of said brush head such that said brushing plane is maintained in the same orientation relative to a surface of a set of teeth throughout movement of said brush head along the endless path of revolution.
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Dependencies are inferred from the claim text.