Pumps – Ambulant – body supported – or with carrying handle
Reexamination Certificate
2006-01-24
2006-01-24
Rodriguez, William H. (Department: 3746)
Pumps
Ambulant, body supported, or with carrying handle
C417S231000, C417S313000, C417S423900
Reexamination Certificate
active
06988874
ABSTRACT:
A tile flood pump for attachment to a tile or drain pipe and pumping water from a field through the tile or drain pipe to a drainage ditch or canal. The tile flood pump is characterized by a cylindrical pump housing fitted with a flange for removably bolting to the existing tile or pump embedded in a levee or dike separating the field from the drainage canal and a cylindrical impeller housing enclosing one or more shaft-mounted rotating impellers, the impeller housing extending into the pump housing in angular relationship for pumping water from the field through the pump housing and the tile and into the ditch. A pump housing flapper valve on the intake end of the pump housing can be selectively open or closed by a control rod mechanism to facilitate a flow of water by direct drainage through the pump housing and the tile into the ditch, or for pumping water through the impeller housing, the pump housing and the tile when the water in the ditch is at a higher level than the water in the field. A shaft housing also extends into the pump housing in alignment with the impeller housing for enclosing a drive shaft that mounts the impeller(s) and connects to an external drive system. The tile flood pump can be typically operated by means of a power take-off system on a tractor or by a diesel, gasoline powered or electric motor.
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Harrison John M.
Rodriguez William H.
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