to the vertical support 1 3 the swivel mechanism 14 like the swivel mechanism 12 consists of a support column 14 1 including a swivel unit a swivel arm 14 2 and a carrying frame 14 3 for the container 21 the construction and mode of operation of the swivel mechanism 14 concur with that of the swivel mechanism 12 therefore we refer here to the corresponding description of the swivel mechanism 12 in the present drawing the swivel arm 14 2 and the carrying frame 14 3 loaded with the container 21 are in the 0 u00b0 position i e parallel to the lengthwise axis of the transfer plant 1 one also notices here the two loading stations 15 and 16 on the dock 2 underneath the vertical hoisting device 13 as well as an ftf 17 hauling away the container 18 furthermore it is evident from fig3 and 4 that what is meant by the invention 39 s designation of the vertical support 1 3 as being like a tower is that the extension arm 1 4 1 5 1 6 is essentially carried by a single vertical support 1 3 which is situated centrally to the width of the extension arm 1 4 1 5 1 6 the auxiliary supports 1 8 arranged on either side of the vertical support 1 3 merely have a stabilizing function in relation to the vertical support 1 3 the auxiliary supports 1 8 extend.