| 摘要 |
PURPOSE: A chain block high power electric motor is provided to rotate a hand chain with a small force by combining a chain block, an input output shaft, a chain gear and a shift gear motor. CONSTITUTION: A load chain of a chain block(111,111-1) is connected to a chain gear(115,115-5) via chain belt. A hand chain of the chain block is connected to the chain gear(119,119-9) with the chain belt. A shift gear motor(125) is connected to a play(123) combined to an input shaft(116). |
