| 摘要 |
PROBLEM TO BE SOLVED: To give a novice movement to a game ball which has never existed with a simple structure. SOLUTION: Stage members 41 and 51 are in sheet shape formed by woven fabric or nonwoven fabric, placed on a panel, and have fall holes 44, 45, 54, and 55 into which a game ball 7 can go through respectively. Fixing nails 42 and 52 are fixed on the panel and support the stage members 41 and 51. The game ball 7 falling onto the upper surface of the stage members 41 and 51 roll on the upper surface of the stage members 41 and 51 while deforming the stage members 41 and 51 with its own weight, goes through one of the fall holes 44, 45, 54, and 55, and falls. COPYRIGHT: (C)2009,JPO&INPIT
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