| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation device which is easy to be held by any per son, by fitting various sizes of grips so as to match the size of basic operation device, regardless of the size of hands from adults to children. SOLUTION: At both ends 7, 8 for arranging both the hands of an operation device 1, in which an operator operates by holding with both hands, an operation switch has engaging holes 8a formed on this side of the both ends 7, 8 grips for the operation device 9, 10 closely about to both the ends 6, 8 of the operation device 1, where the operator holds with both hands and arrange both hands to operate, and has engaging parts 12 for engaging with the engaging holes 8a on the surface 11 along both the end parts 7, 8, and both the end parts 7, 8 are extended to the foreground. |
