| 摘要 |
361,752. Electric plant. ALLM€NNA SVENSKA ELEKTRISKA AKTIEBOLAGET, Võsteras, Sweden. Feb. 27, 1931, No. 6182. Convention date, July 16, 1930. [Class 78 (ii).] In hoisting mechanism for cargo of the kind comprising two electric winches 1, 2 which are mechanically independent of each other and operate a common load hook 7 through the medium of ropes 3, 4 passed over blocks 5, 6, the motors 9, 10 are controlled by contactor starting devices 11, 12 which are controlled by master-controllers 13, 14 placed side by side. |
