President of the Confederation
Elected for one year from the members of the Federal Council. Traditionally rotating among them. Chairs the meetings the Council and undertakes special representational duties.
... to a smaller extent 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 5,800,3 ...