| 摘要 |
A drive shaft (7) for an earthing switch taken through and insulated from a cover housing is contacted by means of a U-shaped contact member (1; 9, 10) bearing the end of the shaft (7), fitted with two springy shanks (2, 3; 11, 12, 13, 14) and secured in an insulated manner to the outside of the cover casing. |
