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Backrest with active head restraint for motor vehicle seats has locking device to lock head restraint against forward movement during frontal collision
Backrest with active head restraint for motor vehicle seats has locking device to lock head restraint against forward movement during frontal collision
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机译：用于汽车座椅的带有主动式头枕的靠背具有锁定装置，用于锁定头枕以防止在正面碰撞时向前移动
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摘要
The back rest has a backrest structure (1) with head restraint support structure (2) locked relative to it by an inertia-sensitive locking device (3). The device is unlocked when in normal use position, and blocks the support structure against pivot movement and forward pivoting of the head restraint during a frontal collision only. The locking device has a pendulum (3a) pivoted about an axis (3b) parallel to the horizontal pivot axis (1a) of the support structure, which engages on a counter surface (2a) of the structure.
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