Dove-tail clamp
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United States of America Patent
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Apr 26, 2016
Grant Date -
Mar 21, 2013
app pub date -
Nov 15, 2012
filing date -
Feb 24, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A dove-tail clamp assembly configured to couple a plunger and a pony rod for operation within a fluid end. The clamp assembly using a flange portion extending from the plunger and the pony rod. A clamp within the clamp assembly engages the flanges in the plunger and the pony rod in a non-threaded relationship to permit the pony rod to induce a reciprocating movement of the plunger within the fluid end. The flange portions may be integrally coupled to the plunger and the pony rod in one embodiment. In another embodiment, the flange portions may be threadedly inserted into existing bores in the plunger and the pony rod. The clamp assembly may include a deflector and an alignment pin.
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