Patent ID: 7310844
Filing Date: 2007-12-25
Classification: A61C,F03G

Abstract:
1. A spring powered toothbrush for cleaning teeth comprising a toothbrush housing, a brush portion located at one end of the housing and having bristles on a side of the brush portion, a power operated drive mechanism for rapidly moving the brush portion, the power operated drive mechanism including a wind-up spring mechanism located at the other end of the housing, said brush portion including a fixed section and a movably mounted brush section and means for operably connecting said brush section to the drive mechanism to effect rapid movement of said brush section, and wherein said brush section is mounted for oscillating movement relative to the fixed section and includes a spring-biased lever arrangement movably mounted on a side of the brush section opposite said bristles and the power operated drive mechanism includes a drive shaft having an offset weight that periodically engages said lever to oscillate the brush section to aid in teeth cleaning; and control means for regulating the operation of the drive mechanism whereby when the control means is actuated the brush portion is rapidly moved to clean the teeth when the toothbrush is used.