PIN COUPLING FOR CONNECTING A ROTARY DRIVE TO A PROGRESSIVE-CAVITY PUMP
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United States of America Patent
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Issued Date -
Apr 11, 2024
app pub date -
Oct 5, 2022
filing date -
Oct 5, 2022
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Abstract
A drive having a rotary output and a pump having a rotary input are interconnected by a pin coupling that has an inner coupling head having a part-spherical outer surface and an outer coupling head having a socket. A thrust plate in the socket is formed with a part-spherical inner surface complementary to the outer surface and into which the inner coupling head is inserted with the surfaces in surface contact for transmission of axial forces. A pin extending transversely through the heads rotationally interconnects the pump input and drive output while permitting relative angular displacement of the input and output.
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