To output the rotational direction of driving torque inputted in any of reciprocal rotational direction from the input side, by properly switching in the opposite rotational direction.
This driving force reciprocally switching device is composed of an input gear 2 fitted to a fixed shaft 1, an input bevel gear 3 integrated into the input gear 2, an output gear 4 fitted to the fixed shaft 1, an output bevel gear 5 oppositely arranged to the input bevel gear 3 separately from this output gear, an intermediate shaft 6 rotatably fitted to the fixed shaft 1 between the input bevel gear 3 and the output bevel gear 5, an intermediate bevel gear 7 fitted to the intermediate shaft 6 and meshing with the input bevel gear 3 and the output bevel gear 5, a control gear 8 fitted in a coaxial state with the fixed shaft 1 between both ends of the intermediate shaft 6, and a one-way clutch 12 stored in a boss part 11 of the intermediate shaft 6 and fitted to the fixed shaft 1. When an actuator 9 is turned off, the one-way clutch 12 is freed, and rotation in the same direction as input is outputted. When the actuator is turned on, the one-way clutch 12 is locked, and the rotation is outputted by switching to rotation in the opposite direction of the input.
Torii Kazuhisa
Takayoshi Tagawa
Higashio Masahiro
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