| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve durability of a bearing by forcibly and effectively lubricating the bearing in the inside of a gear case without using any external piping. <P>SOLUTION: The lubricating structure of a bearing in a gear device includes: an oil path 21 which is arranged in the inside of an intermediate shaft 16 located in an upper part to face an axial direction and in which lubricating oil is supplied from one opening end; an oil discharge path 25 which communicates with the oil path 21 in the inside and has an opening end opened in a gear case 2; an oil receiving tool 46 which is attached to the inner surfaces of the side walls 2a and 3 of the gear case 2 in the lower part of the intermediate shaft 16, and has its receiving port set to face a direction to receive the lubricating oil discharged from the opening end of the oil discharge path 25 in the intermediate shaft 16; and oil introduction paths 35, 43, and 44 which communicates with the outer side face of the bearing 28 for supporting the side end of the output shaft 26 in the lower part the intermediate shaft 16 and the receiving port of the oil receiving tool 46. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
