| 摘要 |
PURPOSE:To enable the simple assembly thereof by assembling all of divided cases, oil pumps, and oil motors on the mounting surface of a base. CONSTITUTION:A power transmission 13 includes an oil pump 27, two oil motors 29 and 29 driven by the oil pump 27, deceleration mechanisms 31 and 31 provided in a space between each oil motor 29 and a right and a left axle 21, a mission case 33 and the like, the right and left axles 21 and 21 are laid coaxially. Each of mission chambers 45 and 47 is formed by both cases 37 and 39, the right and left mission chamber 45 and 47 are communicated by a through hole formed on the base 35. Lubricating oil is sealed in the mission chamber, and oil pump 27, the oil motor 27 and 29, the deceleration mechanism 31, and the inner end section of the right and left axles 21 and 21 are housed in the mission chambers 45 and 47.
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