Patent attributes
A conveyance system includes a travel rail; and a plurality of vehicles each having a travel part configured to travel on the travel rail in a first direction and a second direction and a transfer part including a holder configured to hold the carrier and an elevator configured to elevate and lower the holder, in which the travel rail is disposed such that each of the vehicles is accessible to a first stop position in which the transfer part is arranged immediately above each of the transfer ports of a first processing device group performing processing of a certain process and such that the vehicle is accessible to a second stop position in which the transfer part is arranged immediately above each of the transfer ports of a second processing device group performing processing of a process different from the certain process from the first stop position.
