| 摘要 |
A bowling ball (10) with a weight block assembly including a weight core (28), an annular weight block (22) surrounding the weight core (28) and a top weight block member (23) spaced, at least partly, from the annular weight block (22). In one embodiment (FIGS. 1, 1A) the top weight block (19) extends inwardly toward the center (16) and penetrates the weight core (28). In another embodiment (FIGS. 2 , 2A) the top weight block member (21) is spaced to the side of the annular weight block (20), while in the preferred embodiment, (FIGS. 3, 3A) the top weight block member (23) is aligned with the annular weight block member (22) and is located intermediate the annular weight block member (22) and the spherical surface (14) of the ball (10).
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