| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of effectively preventing the erroneous fracture of a fracture screw and also easily performing tightening work in the game machine using the fracture screw. SOLUTION: In the game machine where components 432 and 450 at two points are connected by the fracture screw 651 which has a screw hole (engaging part) that a driver (operation instrument) DR1 is to be engaged with and has at the head part 652 thereof a separation part 654 which is a part that can be fractured and separated when rotated with rotated by torque larger than torque required for tightening, the fracture screw 651 includes a housing member 621 as a protective member for covering a part excluding the screw hole of the separation part 654 in the a state before being fractured. COPYRIGHT: (C)2010,JPO&INPIT |
