FEDER, FEDERANORDNUNG, FEDER- UND DÄMPFERANORDNUNG SOWIE EINE FEDER UMFASSENDES FAHRZEUG

Spring having a first part (1) and a second part (2) moveable relative to each other along a longitudinal axis (L), a gap (3) being provided between the first part (1) and the second part (2), the first part (1) being provided with permanent magnets (4,4'), the second part (2) including soft magnetic material, the second part (2) having a variable permeability along the longitudinal axis (L) thereof for a magnetic field provided by the permanent magnets (4,4') of the first part (1), wherein the second part (2), for providing the variable permeability for magnetic field, is provided with at least two teeth (5,5') of soft magnetic material which each face a permanent magnet (4,4') with a facing surface when the first part (1) is in an aligned position relative to the second part (2), the gap extending between the two teeth and the corresponding permanent magnets, wherein, when the first part is moving out of the aligned position relative to the second part along a longitudinal axis, the total area of the facing surfaces varies.