Power Transmission Device

Abstract: Provided is a power transmission device with which shafts, gears and bearings accompanying the shafts, etc. can be housed compactly inside a case. A main transmission mechanism 31 of a power transmission device 100 is provided with a main transmission driving shaft 31a, a main transmission driven shaft 31b, a first main transmission gear 31c, and a second main transmission gear 31e. A sub-transmission mechanism 32 is provided with a sub-transmission driving shaft 32a, a sub-transmission driven shaft 32b, a first sub-transmission gear 32c, and a second sub-transmission gear 32d. Input shafts 23, 24, the main transmission driven shaft 31b, the second main transmission gear 31e, the sub-transmission driving shaft 32a, and the first sub-transmission gear 32c are arranged coaxially with a first axis A1. The main transmission driving shaft 31a and the first main transmission gear 31c are arranged coaxially with a second axis A2. The sub-transmission driven shaft 32b and the second sub-transmission gear 32d are arranged coaxially with a third axis A3. The second axis A2 and the third axis A3 are positioned below the first axis A1.

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