Conveyor system having: a guide rail, which extends along a conveying path; at least one carriage having a securing section, wherein the securing section engages displaceably in the guide rail and a vacuum connection is formed in the securing section; a drive mechanism for moving the at least one carriage along the conveying path; a plurality of vacuum valves, which are connected to the guide rail along the conveying path; and a vacuum source, which is connected to the plurality of vacuum valves in order to supply the latter with vacuum; wherein the conveyor system is designed to supply vacuum selectively to the vacuum connection of the at least one carriage via the vacuum valves, and specifically when the at least one carriage is arranged adjacent to the vacuum valves, wherein the guide rail has first and second guide rail surfaces opposite each other, which extend along the conveying path, wherein the securing section has a first and a second side, and the first and the second opposite side of the securing section respectively engage displaceably in the first and second guide rail surface, characterized in that the vacuum connection comprises opposite first and second vacuum inlets, wherein the first and second vacuum inlets are each arranged on the first and the second side of the securing section respectively, in that the securing section comprises opposite first and second vacuum seals, which are each arranged on the first side and the second side of the securing section around the first and second vacuum inlets and engage with the first and second guide rail surface respectively, and in that the securing section further comprises a first and a second vacuum inlet plate, by which the first and second vacuum inlets are each defined and on which the first and second vacuum seals are each mounted, wherein the first and the second vacuum inlet plate are preloaded in such a way as to engage with the first and second guide rail surfaces. a guide rail, which extends along a conveying path; at least one carriage having a securing section, wherein the securing section engages displaceably in the guide rail and a vacuum connection is formed in the securing section; a drive mechanism for moving the at least one carriage along the conveying path; a plurality of vacuum valves, which are connected to the guide rail along the conveying path; and a vacuum source, which is connected to the plurality of vacuum valves in order to supply the latter with vacuum; wherein the conveyor system is designed to supply vacuum selectively to the vacuum connection of the at least one carriage via the vacuum valves, and specifically when the at least one carriage is arranged adjacent to the vacuum valves, wherein the guide rail has first and second guide rail surfaces opposite each other, which extend along the conveying path, wherein the securing section has a first and a second side, and the first and the second opposite side of the securing section respectively engage displaceably in the first and second guide rail surface, characterized in that the vacuum connection comprises opposite first and second vacuum inlets, wherein the first and second vacuum inlets are each arranged on the first and the second side of the securing section respectively, in that the securing section comprises opposite first and second vacuum seals, which are each arranged on the first side and the second side of the securing section around the first and second vacuum inlets and engage with the first and second guide rail surface respectively, and in that the securing section further comprises a first and a second vacuum inlet plate, by which the first and second vacuum inlets are each defined and on which the first and second vacuum seals are each mounted, wherein the first and the second vacuum inlet plate are preloaded in such a way as to engage with the first and second guide rail surfaces.