Electric toothbrushes
a toothbrush and electric technology, applied in the field of toothbrushes, can solve the problems of limited cleaning effect of spinning bristle sets, alone,
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[0022] Before describing the various preferred embodiments, it is instructive to define the various types of motions that the movable bristles of the various toothbrushes may undergo. As used herein, the term “angular motion” refers to any angular displacement. “Linear motion” is movement along a straight or substantially straight, line or direction. “Curvilinear motion” is movement that is neither completely linear nor completely angular but is a combination of the two (e.g., curvilinear). These motions can be constant or periodic. Constant motion refers to motion that does not change direction or path (i.e., is unidirectional). Periodic motion refers to motion that reverses direction or path. Constant angular motion is referred to as rotary motion, although features herein may be described as “rotatably mounted” which is intended to merely mean that angular motion, whether periodic or constant, is possible. Periodic angular motion is referred to as oscillating motion. Curvilinear ...
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