| 摘要 |
<p>1449947 Railway vehicle wheels FRIED KRUPP HUTTENWERKE AG 14 Oct 1974 [24 Oct 1973] 44341/74 Heading B7C A railway vehicle wheel comprises a track engaging rim 2 supported on a wheel disc 4 by means of radially compressed, circumferentially arranged elastomeric blocks 7 located in an annular passage defined by grooves in the rim and disc. The base of at least one of the grooves is concave transversely of the wheel, and the blocks, which preferably have a hardness of 80‹ Shore, have opposed surfaces which, on assembly of the wheel, engage the bases of the grooves, the opposed surfaces being planar or transversely concave or only one of those surfaces being transversely concave.</p> |
