| 摘要 |
The invention relates to an apparatus for changing a spring characteristic, which includes at least one tension and/or compression spring for changing the spring rate of a leaf spring to which the apparatus can be connected, wherein a mounting device for mounting the tension and/or compression spring on the leaf spring is connected to a first end of the tension and/or compression spring. It is provided that the apparatus (3) furthermore includes at least one spiral spring (200) for additionally controlling the leaf spring rate and an attachment device (220) for mechanical attachment of the spiral spring (200) to the leaf spring (10) and variable adjustment of the spacing (212) between at least one spiral spring section (214) and the leaf spring (10), wherein the spiral spring (200) is mechanically connected to the second end of the tension and/or compression spring (100). The invention also relates to a spring assembly, which includes at least one leaf spring (10) and an attached apparatus (3) according to the invention for changing a leaf spring characteristic, as well as a motor vehicle, in particular a van or a bus, which includes at least one spring assembly according to the invention.
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