Brake assistance servo motor unit and master cylinder assembly system for motor vehicle, has securing rod fixing master cylinder and case of servomotor to fixed wall and including shrinkage section situated proximity to fixed wall

摘要

The system has a securing rod (30) traversing a case of a brake assistance servomotor and fixing a master cylinder and the case of the servomotor to a fixed wall (50) of a vehicle. A shrinkage section of the securing rod is situated proximity to the fixed wall. A shoulder of the securing rod is plated against the fixed wall, where a part of the rod is threaded to traverse the wall.