| 摘要 |
451,887. Laminated springs. HOESCHKOLN NEUESSEN AKT.-GES. FUR BERGBAU UND HUTTENBETRIEB, Dortmund, Germany. June 25, 1935, No. 18218. Convention date, June 29, 1934. [Class 108 (iii)] The ends of the leaves of a laminated spring are tapered in longitudinal section the taper having the form of a concave chamfer, which may be circular, Fig. 5, parabolic, Fig. 7, or have the form of a logarithmic curve. In plan view the ends of the leaves may be rounded, square, spear-shaped, &c. |
