| 摘要 |
An apparatus (10) comprises a vehicle seat (12) including a frame (20) and a headrest (14). A linkage (16) is connected between the frame (20) and the headrest (14) to move the headrest (14) relative to the frame (20) in a forward direction. The linkage (16) is actuatable under the influence of a rear-end vehicle crash force applied to the linkage (16) by an occupant of the seat (12). The apparatus (10) further comprises a motor (70) which is connected to the linkage (16) to actuate the linkage (16). The motor (70) is actuated in response to a frontal vehicle crash condition.
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