| 摘要 |
PURPOSE:To improve frictional force on a sliding surface as well as to prevent the occurrence of inadvertent rotation of a housing due to engine vibration, by forming both concave and convex parts each on the sliding surface between mount rubber and a drive shaft housing or a swivel bracket. CONSTITUTION:Each of engaged parts 15 and 16 consisting of both concave and convex parts is formed in space between upper mount rubber 11 and a drive shaft housing 13. And, these engaged parts 15 and 16 are formed among respective peripheral surfaces of the upper mount rubber 11, the drive shaft housing 13 and a swivel bracket 14 at the hull side to a drive shaft 19. With this constitution, the upper mount rubber 11 is accurately held on the swivel bracket 14 with the engaged a parts 16, preventing the rotation from occurring. In addition, proper friction resistance is given to a sliding surface between the upper mount rubber 11 and the drive shaft housing 13. Therefore, inadvertent rotation of the drive shaft housing 13 due to engine vibration is preventable. |
