To provide an automatic opening and closing device of a sliding door capable of supplying opening and closing power of the sliding door by making use of an electromagnetic induction operation of a non-contact power supply device.
The automatic opening and closing device of the sliding door is so constituted that a feeding section 12 of the non-contact power supply device is provided to one side of an lintel 8, a power receiving section 14 supplied with power through the electromagnetic induction operation between the feeding section 12 and the power receiving section 14 is placed to a position opposed to the feeding section 12 at a predetermined space from the feeding section 12 to have a sliding door 9 for storing the power receiving section and that at least a motor 38 driven by power from the power receiving section 14 and a wheel 41 rotating inside of a groove 11a in the threshold 11 by rotational driving of the motor 38 are provided to the inside of the sliding door 9.
NIWA NORIHIRO
MORIMOTO SAYURI
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