| 摘要 |
An arrangement for controlling an element of a power vehicle, such as a safety belt, window pane, and the like, has a displaceable member connectable with a power vehicle element to be controlled and displaceable together with the latter from a first end position to a second end position in a predetermined direction, a drive unit for driving the displaceable member, and a safety device arranged to interrupt a power flux to the displaceable member when a resistance acts upon the latter in a direction opposite to the first-mentioned direction with exceeding of a predetermined limiting value, wherein the safety device includes a safety member arranged withdrawable between the drive unit and the displaceable member and retained in the power flux by a force adjustable in correspondence with the limiting value.
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