| 摘要 |
FIELD: machine building. ^ SUBSTANCE: proposed rim consists of central piece made solid or consisting of, at least, two sectors each representing a box-like welded housing from metal rolled stock. Every sector accommodates, at least, three elastic toothed cassettes each comprising elastic plate from sheet metal with cut teeth and elements ot secure plates on central piece. ^ EFFECT: longer life, lower weight. ^ 4 cl, 2 dwg |
