| 摘要 |
672,554. Davits. TAYLOR, H. G. Feb. 14, 1951 [Feb. 22, 1950], No. 4494/50. Class 115. At least a part of the outboard movement of a davit is performed by spring pressure. The davit 6 is contacted by an arm 19 connected to a torsional spring tube 20. In a modified form the spring tube may form the pivot for the davit arm. |
