Patent ID: 7988650

Claim:
A massage device comprising: a driving unit operatively engaged to a rotatable output shaft having a distal end portion, a handle having a power source in operative association with said driving unit, said handle having a control panel for controlling the operation of said driving unit; and an actuation unit operatively engaged to the output shaft of the driving unit, the actuation unit including an arrangement of bearing plates engaged to one another and mounted along the output shaft with each bearing plate being engaged to a rotary ring, wherein each rotary ring defines a center hole and a plurality of segments circumferentially defined about the center of the rotary ring, wherein each of the bearing plates defining a plurality of holes and pegs circumferentially spaced about an eccentric through-hole, wherein each rotary ring is adapted to be engaged within the center hole of one of the bearing plates such that the arrangement of bearing plates will rotate upon rotation of the output shaft while each rotary ring will have a slipping action relative to the output shaft in order to produce a spiral wave form action by the actuation unit.