| 摘要 |
An air hockey puck has a disc shaped body and a peripheral ridge or rim facing both upward and downward. The disc body has head and tail surfaces. The head is a plane surface and defined by an annular inner sidewall of the rim. The tail is defined by an inner sidewall at the bottom of the rim. Dimples are formed on the tail facing air-blasting perforations of an air powered hockey game table. Alternatively, the peripheral ridge may have only one dimple surface extending overall without the side wall and still give extra volume of air blast for an increased lift force to the game puck. By controlling the pattern of the dimple at manufacture to be asymmetrical or symmetrical, a fun factor of unexpected motion of the puck can be obtained.
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