Turntable driving system of microwave oven

Details Turntable driving system of microwave oven Turntable driving system of microwave oven

1987-03-04

1988-06-21

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055E, 126338, 99443R, H05B 678

Patent

active

047526629

ABSTRACT:
A turntable driving system of a microwave oven comprises a turntable driving motor mounted in the microwave oven body, a turntable roller unit driven by the turntable driving motor to rotate a turntable, and a coupling for transmitting the output from the turntable driving motor to the turntable roller unit. The turntable roller unit comprises at least three rollers which are placed between the turntable and the oven chamber inner bottom wall at positions near the turntable peripheral edge so as to support the turntable virtually horizontally, wire metal rods in the same quantity as the rollers, extending radially from the position corresponding to the turntable bottom center toward the turntable peripheral edge and rotatably supporting the rollers, and a concaved cap mounted in the radial center of the metal rods so as to cover the coupling from the upper side for engagement with the circumferential wall of the coupling. Each of the metal rods is either bent or straight so that the actual length from the radial center to the end of the metal rod is equal to the distance from the turntable bottom center to a point between the turntable peripheral edge and the oven chamber inner side wall so that the actual length of the metal rod exceeds the radius of the turntable.

REFERENCES:
patent: 4424431 (1984-01-01), Gurubatham
patent: 4631379 (1986-12-01), Aoyama

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