首页>
外国专利>
Improvements in and relating to means for launching a ship's life boat suspended from a pair of luffing davits
Improvements in and relating to means for launching a ship's life boat suspended from a pair of luffing davits
展开▼
机译:改进从一对变幅吊艇架上吊下的救生艇的方法和相关的改进
展开▼
页面导航
摘要
著录项
相似文献
摘要
669,729. Davits. SCHATS DAVITS, Ltd., and SLUITERS. F. June 16. 1950, No. 15129/50. Class 115. The davit arm 12 is situated within the length of the boat and is luffed by the screw 18 which is parallel to the upper end of the davit both in its in board and outboard position. The upper sheave 9 is carried on a lateral extension 11 of the davit arm so that it comes vertically over the boat's sling hook.
展开▼