Patent ID: 7334283
Filing Date: 2008-02-26
Classification: A46B,A61C

Abstract:
1. A power toothbrush comprising: a main body; a brush attachment detachably coupled to the main body; a brush base portion provided in the vicinity of a distal end of the brush attachment, the brush base portion being configured to reciprocally move in an axial direction of the main body, and to swing or roll around an axis perpendicular to the axial direction of the main body; a plurality of floating base members floatingly provided in the brush base portion, each floating base member being provided with at least a brush staple; a plurality of guide holes having circular truncated cone-shaped inner surfaces within the brush base portion, the plurality of guide holes having a first generally planar surface provided at a smaller diameter of the truncated cone-shaped inner surfaces and a second generally planar surface provided at a larger diameter of the truncated cone-shaped inner surfaces; a plurality of through holes corresponding to the plurality of guide holes, the plurality of through holes being provided in the first generally planar surface and having a diameter smaller than the smaller diameter of the truncated cone-shaped inner surface; each floating base member having a shape generally the same as at least a part of a corresponding circular truncated cone-shaped inner surface in which the corresponding floating base member is received, each floating base member being configured to move within the corresponding circular truncated cone-shaped inner surface, and the floating base members having brush staples protruding from corresponding through holes; and corresponding springs positioned between corresponding floating base members and the second planar surface of the guide holes, the corresponding springs urging the corresponding floating base members towards the first planar surface.