| 摘要 |
940,311. Chains. E. GROSS, and P. REBMANN. July 17, 1961 [July 16, 1960], No. 25800/61. Heading B8A. [Also in Divisions E2 and F2] A chain comprises alternate links 1 of H- section pivotally interconnected by plate-like links 2 bevelled at 2a, so that it can bend between a first limit position in which it is substantially straight and a second limit position in which it has a definite curvature defined by the engagement of the bevelled surfaces with the connecting webs 1b of the links 1. |
