发明名称 |
Freeze protected livestock watering device |
摘要 |
This invention relates to freeze protected livestock watering assemblies in general, and more specifically to a watering device, which incorporates a dual activated variable flow water supply valve structure, which is operatively connected to an apertured float arm to progressively increase the volume of water supplied to a drinking receptacle in proportion to the degree of depression of the float arm actuator.
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申请公布号 |
US4397266(A) |
申请公布日期 |
1983.08.09 |
申请号 |
US19810276302 |
申请日期 |
1981.06.22 |
申请人 |
NOLAND, WAYNE B.;NOLAND, LARRY F. |
发明人 |
NOLAND, WAYNE B.;NOLAND, LARRY F. |
分类号 |
A01K7/02;A01K7/06;(IPC1-7):A01K7/06 |
主分类号 |
A01K7/02 |
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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