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When a vehicle is crashed and the lower shaft is loaded from the gearbox side, the shaft A is forced into the shaft B to absorb an impact load. Thus, the steering column will not be projected into the passenger compartment to reduce possible chest injuries.
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When the load of the driver’s body is applied to the steering wheel after airbag deployment, the steering column assembly moves forward and down along the tilt bush and guideway while sliding into the upper and lower brackets, absorbing an impact load.
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