| 摘要 |
347,403. Boat-lowering gear. SCHAT, A. P., 66, Hendrik de Keijserstraat, Utrecht, Holland. March 11, 1930, No. 7934. [Class 115.] In order to enable the man controlling the falls to follow the boat with the eye during lowering operations, the hauling part of the fall 5 is led from the upper block 6 and parallel with the length of the luff - ing davit 7 over a guide roller 17 mounted in the axis of rotation of the davit arm to a winding drum mounted vertically below the davit frame. The bollard 18 employed during lowering operations ie carried by the davit arm above the guide roller. |
