Freeze drying installation

A freeze drying installation (8), including a device (9) for moving containers (10) along a surface (63) supporting the containers (10) to load and/or unload the containers (10) into a freeze dryer processing chamber (200), wherein the device (9) comprises a first articulated arm (102) and a second articulated arm (103), wherein the first articulated arm (102) comprises a first rigid upper arm (23) and a first rigid lower arm (21) connected to each other by a first rotary joint (22) and the second articulated arm (103) comprises a second rigid upper arm (46) and a second rigid lower arm (41) connected to each other by a second rotary joint (45), wherein an end of the first articulated arm (102) and an end of the second articulated arm (103) are connected to a rigid transfer bar (60) by a first articulated joint (20) and a second articulated joint (40), which are spaced apart from each other when seen along an extension axis (61) of the transfer bar (60), and wherein the first articulated arm (102) is arranged on a supporting platform (110) at a first connection point and the second articulated arm (103) is arranged on the supporting platform (110) at a second connection point, wherein the first articulated arm (102) and the second articulated arm (103) are driven by at least one driving unit (70) in a synchronised manner such that the transfer bar (60) is movable along a loading and/or unloading axis (62) to load or unload containers (10) into or from the freeze dryer processing chamber (200).