In this embodiment, {HEAD ~ the rope drum} 18 includes {TAIL ~ an additional rope} 19 which is guided over a guide roller 20 and is attached to a stationary point 21 
In this embodiment , { HEAD ~ the rope drum } 18 includes { TAIL ~ an additional rope } 19 which is guided over a guide roller 20 and is attached to a stationary point 21
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH