Pole bolt for accumulator battery has stepped section between head and shaft whose diameter is greater than that of shaft; stepped section is separate ring element joined to head and/or to shaft

摘要

The pole bolt (1) has a head (2) and a shaft (4) with a thread, whereby a stepped section (3) is arranged between the head and the shaft whose diameter is greater than that of the shaft. The stepped section is a ring element that is separate from the head and the shaft and that is joined to the head and/or to the shaft. The ring element is joined to the head and/or to the shaft so as to rotate with them.