专利名称：Hand-held vibratory massager发明人：Hironori Iwamoto,Shigeyuki Ikeda申请号：US07/343634申请日：19890427公开号：US04958628A公开日：19900925
摘要：A hand-held vibratory massager has a self-contained applicator head which isresiliently connected to a hand grip for limited movement in substantially all directionsrelative to the hand grip. A drive motor and an eccentric flyweight are mounted togetherwithin the applicator head for making it as a self-contained vibrating unit. The eccentricflyweight is connected to a motor output shaft in an eccentric relation thereto forimparting vibration to the applicator head upon rotation of the output shaft. Alsomounted within the applicator head is a counterweight which provides dynamic balancingof the applicator head in such a manner as to coincide the center of mass of the entireapplicator head with that of the flyweight in the axial direction of the output shaft.
申请人：MATSUSHITA ELECTRIC WORKS, LTD.
代理机构：Armstrong, Nikaido, Marmelstein, Kubovcik & Murray
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