| 摘要 |
PROBLEM TO BE SOLVED: To reduce a stress of a coupling connecting member at the time of transmitting torque.SOLUTION: There are provided two solid bodies 20 and 20 separately fixed to two revolving shafts 84a and 85 and a connection member 30 inserted into the solid bodies in which each of the solid bodies has a body part 21 into which the revolving shafts are inserted and convex projection parts 22 that are formed side-by-side in a uniform space around the outer periphery of the body part, each of the projection parts is formed over an entire length of the body part and provided with an extention part 23 formed projecting from one end of the body part, each of the solid bodies is connected under a state in which their projection parts are alternatively arranged in a peripheral direction and mutual solid bodies are connected while they are inserted inside of each of the extention parts of mating solid body, the connection member is provided with a plurality of insertion parts 31 arranged in a clearance of each of the projection parts and a length of each of the insertion parts in a rotation center line direction is set to equal to the entire length of the projection part. |
