TORSION SPRING Russian patent published in 2014 - IPC F16F1/14 

FIELD: machine building.

SUBSTANCE: torsion spring comprises cylindrical resilient element and core fitted therein and aligned therewith. Core and resilient element allow varying of contact forces acting there between. This spring is equipped with two stiff end elements for them to interconnect rigidly the like ends of said cylindrical resilient element and core. Said cylindrical resilient element is composed by winding of high-strength fibre wound around said core. Said core is made of elastomer with high internal resistance and cavity. Winding coiling can be filled with elastomer.

EFFECT: one-spring cushioning of two vehicle wheels, decreased sizes.

9 cl, 13 dwg