| 摘要 |
PURPOSE: A roller for a conveyor is firmly joined to a central shaft in which a cavity is formed by forcibly press-fitting end portions of the central shaft are into joining grooves as protruding lines are formed on the inner peripheries of the joining grooves. CONSTITUTION: A roller for a conveyor includes a body (100), a central shaft (200), and joining members (300). The central shaft is fitted into the center of the body. A cavity (200a) is formed on the central shaft. The joining units include joining grooves in which end portions of the central shaft are forcibly press-fitted. The joining units are arranged between the body and the end portions of the central shaft. |
