Benedict V, pope (964 - 965), was elected by the Romans on the death of John XII[?]. The Roman emperor Otto I did not approve of the choice, and carried off the pope to Hamburg, where he died.
text from 9th edition (1880s) of an unnamed encyclopedia - update as necessary
... by the slipping friction.
The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) by ...