To provide a conveyor for pallet carriage simple in device constitution and excellent in maintenance and durability.

A pallet is carried by frictional resistance with a shaft provided of a bottom surface of the pallet 8 placed on the shaft and the shaft provided with a spiral groove by arranging two pieces of the shafts 1 provided with the spiral grooves to be symmetrical with a device in the center in parallel with the pallet carrying direction and revolving each of the shafts in different rotating directions by engaging one of pulleys installed and engaged with each of the shafts and the first pulley revolving by a driving means of a motor, etc., and revolving them. Additionally, a pin free to be engaged with the spiral groove provided on the shaft is provided in a projected state on a pallet bottom surface, and the projected pin and the spiral groove provided on the shaft are engaged with each other.