Patent ID: 7264598

Claim:
A rotary massager with two noble rotary electric connectors to heat four heaters embedded inside of four massage balls while the massage balls are rotating is comprised of; two seating member which fits on ribs formed on an upper surface of a case and do not rotate, and four electric heaters made of nickel/chrome wire, each of which is located inside of a massage ball and embedded in filling material, and two metal bearing connection parts for conduction of electricity, each of which is comprised of; one outer fixing metal ring that is mounted on an outer groove of the upper surface of the seating member and welded to an outer A/C electric power line, and one inner fixing metal ring that is mounted on an inner groove of the upper surface of the seating member and welded to an inner A/C electric power line, and one outer upper metal ring that is adhered to the bottom surface of a rotary plate and is welded to an outer power supply line of the heater, and one inner upper metal ring that is adhered to the bottom surface of the rotary plate and is welded to an inner power supply line of the heater, and one outer rolling ball body that is comprised of plurality of metal rolling balls located between the fixed outer metal ring and the upper outer metal ring, and one inner rolling ball body that is comprised of plurality of metal rolling balls located between the fixed inner metal ring and the upper inner metal ring, and eight electric connecting wires, each of which, one end is welded to the heater and the other end is welded to upper metal ring, and four A/C power lines, two of which are welded to the inner fixing metal ring and the other two are welded to the outer fixing metal ring from the bottom side and connected to the main power source.