CPC B62K 25/26 (2013.01) [B62J 43/13 (2020.02); B62K 5/027 (2013.01); B62K 5/06 (2013.01); B62M 6/40 (2013.01); B62M 6/90 (2013.01); B62K 2005/001 (2013.01); B62K 2201/00 (2013.01); B62K 2202/00 (2013.01)] | 8 Claims |
1. A tiltable vehicle, comprising:
a vehicle frame;
one front wheel;
two rear wheels;
two swing arms, each of the swing arms being pivotably coupled to a pivot point on the vehicle frame at a first end, and coupled to one of the rear wheels at an opposing end;
a rocker arm rotatably arranged around a rotational axis lying in a plane of symmetry of the vehicle frame;
two linkages, each of the linkages being coupled at a first end to one of the swing arms at the pivot point, wherein the linkages are coupled at an angle to the swing arms;
two connection arms, each being arranged between a second end of one of the linkages and one outer end of the rocker arm;
wherein each of the connection arms comprises a resilient member, the resilient member comprising a number of Belleville springs arranged in at least two groups of rings so as to create a non-linear spring characteristic,
wherein the non-linear spring characteristic is continuously increasing with increasing spring stroke, and
wherein a derivative of the non-linear spring characteristic comprises an increasing stair case function.
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