| 摘要 |
672,025. Davits. TAYLOR, H. G., and BIRMABRIGHT, Ltd. Jan. 3, 1951 [Jan. 9, 1950], No. 492/50. Class 115. [Also in Group X] The curved arm of a luffing davit is formed of inner and outer extended members 1X and 1Y of box section spaced apart and connected by plates 1Z welded in. The box sections may be split and splayed apart at the ends to receive bearings. |
