Energy storing suspension components for use in suspension systems for wheeled vehicles and trailers, and suspension systems incorporating such energy storing suspension components are disclosed. The energy storing suspension components include an axle seat portion, a first end, and a first limb extending between the axle seat portion and the first end. The axle seat portion includes first and second surfaces with at least one of the first and second surfaces having at least two spaced apart recesses that are spaced from a center of the axle seat portion, the recesses being configured to receive respective protrusions extending from at least one suspension component that is connected to the energy storing suspension component when coupled within an axle coupling assembly.

Liner assemblies for axle brackets of axle coupling assemblies are disclosed. The liner assemblies include a body having an elongated base and at least one extension member having a connector. Liner assembly and axle bracket combinations and method of connecting liner assemblies to axle brackets also are disclosed, with the liner assemblies including a body having an elongated base and at least one extension member having at least one connector, with the axle brackets including a body having a central portion and including at least one connector receiver configured to receive the at least one connector of the at least one extension member of the liner assemblies.

Liner assemblies for axle brackets of axle coupling assemblies are disclosed. The liner assemblies include a body having an elongated base and at least one extension member having a connector. Liner assembly and axle bracket combinations and method of connecting liner assemblies to axle brackets also are disclosed, with the liner assemblies including a body having an elongated base and at least one extension member having at least one connector, with the axle brackets including a body having a central portion and including at least one connector receiver configured to receive the at least one connector of the at least one extension member of the liner assemblies.

The present invention concerns an axle unit comprising a stub axle and an axle tube, wherein the stub axle has a longitudinal channel which extends inside the stub axle substantially along a stub axis, wherein the stub axle has a transverse channel which extends inside the stub axle substantially transversely to the stub axis and opens to the environment at the outer face of the stub axle, wherein the longitudinal channel and the transverse channel are connected together, wherein the stub axle has a stub joining region to which the hollow-bodied axle tube can be secured.

A leaf spring may include: an upper plate provided with arc-shaped portions which are integrally formed on both end portions thereof, respectively, for forming spring eyes; a lower plate disposed to overlap a lower side of the upper plate and provided with arc-shaped portions which are integrally formed on both end portions thereof, respectively, and face the arc-shaped portions of the upper plate to form the spring eyes; clamping units installed to restrain the both end portions of the overlapped upper and lower plates from being separated from each other; and a central fastening unit configured to fasten central portions of the overlapped upper and lower plates.

A leaf spring may include: an upper plate provided with arc-shaped portions which are integrally formed on both end portions thereof, respectively, for forming spring eyes; a lower plate disposed to overlap a lower side of the upper plate and provided with arc-shaped portions which are integrally formed on both end portions thereof, respectively, and face the arc-shaped portions of the upper plate to form the spring eyes; clamping units installed to restrain the both end portions of the overlapped upper and lower plates from being separated from each other; and a central fastening unit configured to fasten central portions of the overlapped upper and lower plates.

The present invention relates to a control unit for controlling a chassis system between at least a ground contact point and a frame of a vehicle, the chassis system comprising a leaf spring and a chassis arrangement, said chassis arrangement is adapted to receive a chassis condition input signal and to control a chassis condition of said chassis arrangement in response to said chassis condition input signal, said chassis system further comprising a strain gauge adapted to issue a strain gauge output signal indicative of a strain in said leaf spring, wherein said control unit is adapted to receive said strain gauge output signal and to issue said chassis condition input signal to said chassis arrangement on the basis of said strain gauge output signal. The invention also relates to a method, a chassis system, and a vehicle.

The present invention relates to a control unit for controlling a chassis system between at least a ground contact point and a frame of a vehicle, the chassis system comprising a leaf spring and a chassis arrangement, said chassis arrangement is adapted to receive a chassis condition input signal and to control a chassis condition of said chassis arrangement in response to said chassis condition input signal, said chassis system further comprising a strain gauge adapted to issue a strain gauge output signal indicative of a strain in said leaf spring, wherein said control unit is adapted to receive said strain gauge output signal and to issue said chassis condition input signal to said chassis arrangement on the basis of said strain gauge output signal. The invention also relates to a method, a chassis system, and a vehicle.

A leaf spring bearing for supporting a leaf spring against a transportation vehicle body having a body-side coupling portion and at least one elastomer portion for compensating displacements transverse to the supporting direction. A centering apparatus for interlockingly engaging with a vehicle-body-side counter-contour is provided on the coupling portion. The centering apparatus on the coupling portion guides the coupling portion of the leaf spring bearing in the event of deviations from a target contact position on the transportation vehicle body transverse to the supporting direction, toward the target contact position. Also disclosed is a transportation vehicle wheel suspension having the disclosed leaf spring bearing and an assembly method.

A leaf spring bearing for supporting a leaf spring against a transportation vehicle body having a body-side coupling portion and at least one elastomer portion for compensating displacements transverse to the supporting direction. A centering apparatus for interlockingly engaging with a vehicle-body-side counter-contour is provided on the coupling portion. The centering apparatus on the coupling portion guides the coupling portion of the leaf spring bearing in the event of deviations from a target contact position on the transportation vehicle body transverse to the supporting direction, toward the target contact position. Also disclosed is a transportation vehicle wheel suspension having the disclosed leaf spring bearing and an assembly method.