发明名称 |
Base for baseball and softball |
摘要 |
The invention relates to a baseball base which is yieldably attached to a ground support. The base is comprised of a hollow body of resilient material and having a frame therein. A support post of square cross-section is attached to the frame so that the can rotate about the longitudinal axis thereof. A hollow ground anchor of square cross-section is placed in the ground to receive the support post. At least one detent is placed between the frame and ground anchor, a spring is provided to bias the frame towards the ground anchor. The detent acting to hold the base relative to the ground anchor until acted upon by a player sliding into the base, thus causing the base to rotate about the longitudinal axis of the ground anchor.
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申请公布号 |
US5080356(A) |
申请公布日期 |
1992.01.14 |
申请号 |
US19910654950 |
申请日期 |
1991.02.13 |
申请人 |
GREEN, PAUL G.;GAYNE, GREGORY C. |
发明人 |
GREEN, PAUL G.;GAYNE, GREGORY C. |
分类号 |
A63B69/00 |
主分类号 |
A63B69/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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