GAME SPIKE FOR PINBALL GAME MACHINE AND GAME BOARD CONFIGURED USING THE GAME SPIKE

摘要

PROBLEM TO BE SOLVED: To provide a means capable of solving the problem of distortion around a game spike peculiar to a board made of a resin without increasing production man-hours or complicating production management.;SOLUTION: The game spike 30 has a columnar body shaft part 32 and an implantation part 35 provided on the distal end side of the body shaft part. For the implantation part 35, a length portion close to a driving depth D from the distal end is formed in a tapered conical shape coaxial to the shaft part 32 to provide a sharp point part 36 and projection parts 38 in a wedge shape in the cross sectional view are formed on the outer peripheral surface of the cone of the sharp point part 36.;COPYRIGHT: (C)2009,JPO&INPIT