Abstract: Direction indication apparatus for vehicles, which consists of; a power generation unit containing a miniature electric power generator which can be put into or taken out of operation by engaging or disengaging with the tire of the vehicle such as a bicycle etc., by manipulation through a Bowden wire; an electric flasher system for obtaining a flickering of the direction indication signal lamps disposed suitably on both sides of the vehicle; and a manipulation means for performing a direction indication operation which has a mechanism simultaneously effecting the operation of the power generation unit and junction of contacts for connection to either side of the indication signal lamp, by moving a manipulation knob forward or backward to cause engagement of the power generator with the tire and then tipping the knob to either side laterally to attain a supply of electric power to the indication signal lamp on the corresponding side.

Abstract: In a device for emitting signal in driving vehicle, in which a miniature power generator is employed to produce an electric power for emitting said signal in such a manner, that the rotor of said miniature generator is rotated under the utilization of the rotation of the wheel of the vehicle by manipulating the miniature generator to tilt to the position, at which the rotary head of the miniature generator will contact with at least a portion of the wheel, the improvement, wherein the rotary head of the miniature generator is contacted onto a strip of rubber-like substance fixed on the side surface of tire of the wheel made of rubber-like substance, said strip covering at least a segment of the circle of the tire and projecting aside to permit contact with said rotary head of the miniature power generator.