Fastening device for attaching traction chain frame on body of electric car, has male centering part welded to body of car, and female centering part welded to traction chain frame and co-axially fitted over male centering part

摘要

The device has a male centering part (11) welded to the body (2) of an electric car, where the male centering part includes an internal thread (11A) for the screwing of a fastening screw (10). A rigid female centering part (12) is welded to a traction chain frame (1), where the female centering part is co-axially fitted over the male centering part, and includes a central bore (12A) for the passage of the fastening screw. A thrust washer (13) is placed between the body of the car and the frame. An independent claim is also included for an electric car.