| 摘要 |
PROBLEM TO BE SOLVED: To eliminate pre-load adjusting work against a bearing, to reduce the number of part items and to improve performance and assembly workability. SOLUTION: Bearing rolling contact surfaces 32b, 33a equivalent to a inner rings are formed with a constant interval respectively on a support member and a disc in a state constituting a support block by contacting, fastening and jointing the support member and the disc on their end surfaces with each other at the time of manufacturing an eccentrically oscillating type planetary gear device devised so that the support block 31 consists of the support member 32 having a plural number of columnar parts 32a and the disc 33, jointed by a fastening member 35 between the support member and the disc with an external tooth gear 21 and the external tooth gear is engaged with an internal tooth gear. |
