| 摘要 |
[Object] An object of the present invention is to lighten the transmission and improve its durability. [Means of Achievement] To attain this object, the present invention is to provide a transmission system 1 equipped with rotating member(s) G and a shaft member S upon which the rotating member(s) G is/are carried, wherein a projecting support portion 5, projecting inwardly and supporting the shaft member S is formed in the casing 2 of the transmission system 1 with at least a part of the projecting support portion 5 dipping into the lubricating oil in the casing 2, and the specific gravity of the projecting support portion 5 being set to be lower than that of the lubricating oil. |
