| 摘要 |
PROBLEM TO BE SOLVED: To improve workability of assembling and disassembling processes of each roller especially for a skewer-type roller. SOLUTION: When a skewer-type roller 110, 112, 118, 120 is assembled, roller parts 158 are arranged at a specified interval with cylinder parts 156 as attachment bases on a core 150. The roller subassembly consisting of the cylinder part 156 and the roller part 158 is divided into two parts of divided roller parts 160A and 160B along the axial direction of the core 150. Thereby, the roller subassembly 152 at the center position of the core 150 can be exchanged while other roller subassemblies 152 are attached. |
