Self starter for motor vehicle has contacts sealed in air tight camber to prevent dust contamination from brushes

摘要

The self starter for a motor vehicle has a first fixed contact (10a) electrically connected to a battery and a second fixed contact (10b) connected to positive brushes (15). A contact support (31) supports the first contact and a contact chamber cover (32) holds the second contact with respect to the first. The contact chamber is air sealed.