| 摘要 |
PROBLEM TO BE SOLVED: To provide a packing device of a hub-dynamo for a bicycle which is very inexpensive and excellent in the workability and which prevents the hub-dynamo from slipping down as the peripheral edges of the right and left connection parts are fitted to holes in the sheet and sufficiently protects it from falling impulses as the sheet is doubly wound thereon. SOLUTION: A corrugated cardboard sheet 5 wrapping a hub-dynamo 1 is bent inward at right angles along seven ruled lines to form double square cylindrical inner and outer bodies. And fitting holes 12 in which the peripheral parts of the right and left spoke connection parts 4 of the hub-dynamo are fitted, are provided in respective four faces 8-11 of the inside of the square cylindrical bodies. The right and left connection parts 4 are fitted in the holes 12 formed in the inner face 8 of the square cylindrical bodies and the rest inner faces 9-11 are wound on the dynamo while the connection parts 4 are fitted in the holes 12 to pack the dynamo. And further the outer four faces 13-16 are doubly wound and the ends are fixed by a tape to complete the packing. |
