A gear device in a single step having a high transmission ratio for moving and tilting metallurgical furnaces, comprising a drive shaft, a stump connected to and supporting said furnace, a large gear mounted on and fixed to said stump, a a pinion support having a pair of arms disposed on opposite sides of said large gear, means on said journal to be rotatably supported at the end of each of said arms, said drive shaft being rotatably mounted at the opposite ends of said arms. both of said arms and being supported by them, a small pinion fixed to said drive shaft between said arms and meshing with said large gear, and a pair of fixed support pins which are applied to said pinion support to resist deformation and displacing said pinion support by applying said pins to the pinion support adjacent to and over opposite ends. s of said drive shaft and being inclined with respect to the plane of the axis of said drive shaft and journal and being substantially perpendicular to said drive shaft. (Machine-translation by Google Translate, not legally binding)
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