| 摘要 |
PROBLEM TO BE SOLVED: To enlarge an open space into a specific game region by devising a drive direction of wings in a game machine where a plurality of pairs of rotatable wings are arranged around a specific game region that allows a special game advantageous to a player to be played. SOLUTION: An upper wing 31 of two side wings 31 and 32 closing a specific game region 30 from a normal game region 20 is turnably composed in such a way as is rolled in an upper part in the specific game region 30 that does not hinder ball games entrance with an upper part 311 of the wing 31 as a turning fulcrum, so that an open space where the gall games enter from the normal game region 20 to the specific game area 30 is enlarged. COPYRIGHT: (C)2010,JPO&INPIT
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