To provide a shoulder belt generator which can utilize generated power as a power supply of a portable electronic device by reducing a load applied to a shoulder due to a vibration at a person walking time, carrying a shoulder bag, a rucksack through a flexure of a spring by converting the load into an electric power.

The shoulder type belt generator includes couplers coupled to a hanging support for hanging a body and the body and coupled via springs, a generator fixed to the body side coupler, a gear transmission mechanism coupled to the generator and provided at the body side coupler in such a manner that the gear transmission mechanism is coupled to the hanging support side coupler via the coupler.