| 发明名称 |
Apparatus for cleaning a swimming pool |
| 摘要 |
A selectively adjustable buoyancy float for a pool cleaner is provided in order to suspend the cleaner below the upper surface of the water such that the pool cleaner can operate without being impeded by a pool cover.
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| 申请公布号 |
US4289155(A) |
申请公布日期 |
1981.09.15 |
| 申请号 |
US19800145589 |
申请日期 |
1980.05.11 |
| 申请人 |
ANTHONY POOLS, DIV. OF ANTHONY INDUS. |
发明人 |
SABLE, CHESTER A. |
| 分类号 |
E04H4/16;(IPC1-7):B08B9/08;B08B3/02 |
主分类号 |
E04H4/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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