Pump rod

the rod to which the bucket of a pump is fastened, and which is attached to the brake or handle; the piston rod.

See also: Pump

References in periodicals archive ?
Open the pump arm to expose the pump rod head and drop 10 drops of oil directly on it.
Markers will be centered on the main pump rod as well as on joints mechanism (Figure 9).
Pump rod coupling used from the drive near the top of windmills to the pump on the platform.
Other options include adding prop wash rods to the trolling spread, or a pump rod held in the angler's hand and occasionally pumped to impart additional action to the lure.
The Comet 4/12 features a balanced fluid section for a steady, even coating flow and a hard chrome coated stainless steel pump rod. The large displacement per stroke allows for reduced pump rod speed and improved durability.
Inside the piston rod is the pump chamber (with inlet and outlet valve) and the pump rod, which serves as a height sensor or regulator and a release bore which releases the pressure after the vehicle has reached level.
The low velocity on the first shot told me that more is wrong with my rifle than just the pump rod being out of adjustment.
Built in Batavia, Ill., this mill had a unique means of running the pump rod up and down.
Acute soil erosion can be seen from the exposed pump rod. The project helped to dig deeper wells to avoid the problem.
The handle is leveraged and connected to the pump rod which provides the reciprocating motion to the cylinder which is what actually moves the water through the drop pipe to the water spout.
"Can you imagine a pump rod three-quarter of a mile long lying on the ground, hooked to the pumping mechanism on the oil well, and making the pump jack move up and down to pump the oil?"