The conveyance apparatus includes a first engaging portion of a first planetary gear unit and a second engaging portion of a second planetary gear unit, and a stopping member movable to a first stop position to stop a first engaged gear, and to a second stop position to stop a second engagement gear, in which a pivot fulcrum of the stopping member is arranged at an intersection between an extension line of a vector of a force that the first engaging portion receives from the first engaged portion under a state in which the stopping member is at the first stop position, and an extension line of a vector of a force that the second engaging portion receives from the second engaged portion under a state in which the stopping member is at the second stop position.