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    • 3. 发明公开
    • Adaptive energy absorber for steering column
    • 自适应吸能转向柱
    • EP1728703A3
    • 2011-06-29
    • EP06076093.1
    • 2006-05-23
    • GM Global Technology Operations, Inc.
    • Manwaring, Marvin V.Riefe, Richard K.Ravindra, RaviKaufmann, Timothy W.Menjak, RatkoHuber, Albert C.
    • B62D1/19F16F7/12
    • F16F7/123B62D1/195
    • Steering column assembly (10) for a vehicle. The steering column assembly (10) includes a steering column (12) operable to adjustably support a steering wheel in the vehicle. The steering column (12) is moveable along a path (14) for collapsing movement relative to a vehicle in response to an impact situation. The steering column assembly (10) also includes an energy absorber (16,16a,16c) for dissipating energy associated with the collapsing movement of the steering column (12) along the path (14). The energy absorber (16,16a,16c) includes an anvil (18,18a,18c) fixedly disposed relative to one of the steering column (12) and the path (14). The energy absorber (16,16a,16c) also includes a strap (20,20a,20b,20c) drawable over the anvil (18,18a,18c) and substantially fixedly disposed relative to the other of the steering column (12) and the path (14). The steering column assembly (10) also includes a second strap (24,24a,24b,24c) fixedly disposed relative to one of the steering column (12) and the path (14) for dissipating energy associated with the collapsing movement of the steering column (12) along the path (14). The steering column assembly (10) also includes at least one quick release bolt (22,22a,22b,22c) engaged with the strap (20,20a,20b,20c) to selectively release the strap (20,20a,20b,20c) relative to the other of the steering column (12) and the path (14). The at least one quick release bolt (22,22a,22b,22c) engages both of the strap (20,20a,20b,20c) and the second strap (24,24a,24b,24c).