| 摘要 |
The spring unit according to the invention is a connection of a helical spring to at least one of its spring plates with the provision that at least one of the spring end turns which is in touching contact with its associated spring plate is a secant with respect to this spring plate in such a manner that the axis of the spring wire from which the spring end turn is formed forms a predetermined angle ( alpha ) at the predetermined contact point with the surface of said spring plate. …<IMAGE>… |
