Invention Grant
US07695016B2 Breakaway steering system 失效
分离转向系统

Breakaway steering system
Abstract:
A device and method for steering mechanism breakaway are disclosed. In order to avoid harmful steering column intrusion into the passenger compartment of a vehicle in the event of vehicle collision, an intermediate link between the steering column and the steering gearbox is disposed. The intermediate link comprises of an inner shaft and an outer tube which are connected via longitudinal matching splines to facilitate rotational engagement. In normal operation the inner shaft may longitudinally move inside the tube. The outer tube has openings along it and detachment means at one end to facilitate detachment of the shaft from the tube through the openings when the shaft moves longitudinally into the tube beyond a certain point due to movement of the steering gearbox towards the steering column during a collision.
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