Dispositivo de transmisión ensamblado con entrada direccional de doble rotación y salida direccional de rotación constante

摘要

The present invention provides an assembled transmission device with bi-rotating directional input and constant rotating directional output, which can be directly installed in pipe holes of basic through hole pipe of a vehicle, so a vehicle to be driven installed with the basic through hole pipe (P100) is easy to be assembled and maintained.