Skateboard-truck, has trailer including mechanism for allowing trailer to return relative to base, and metal torsion spring returning trailer into original position and comprising legs that are respectively connected with base and trailer

摘要

The skateboard-truck has a trailer (2) movably mounted relative to a base (1). The trailer includes a mechanism for allowing the trailer to return relative to the base during load relieving in a preset original position. A metal torsion spring (3) returns the trailer into the original position. Legs of the spring are connected with the base and the trailer, respectively. A winding axis of the spring matches with a rotational axis in an installed condition. Mechanical stops limit a rotational angle of a rotary hinge in both directions.