| 摘要 |
The bar (10) comprises between its ends (11) and intermediate zone (12), the outline of the cross section (120) of which is approximately that of a "ball of wool" or "bow tie" or even in the shape of the mathematical symbol for "infinity": it comprises two lateral wings connected by a central web and is inscribed within a rectangle whose width is at least twice as great as its length, while the ratio of the moment of inertia relative to the centre and to the major axis of this rectangle, respectively, is at least four. …<??>Application to a safety shaft for a motor vehicle steering system designed to bend when an axial compressive force exceeds a predetermined threshold. …<IMAGE>… |
