PUMP ROD AND DRIVING LINK WITH SIDE-LOAD REDUCING CONFIGURATION
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United States of America Patent
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Issued Date -
Apr 2, 2020
app pub date -
Nov 26, 2019
filing date -
Dec 30, 2014
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Abstract
A pump rod has a head extending from a neck, and the head is received within a drive slot of a drive link. The head includes a projection, and has an area smaller than an area of the head. The projection contacts an inner surface of the drive slot. The drive link may include a projection aligned with a centerline of the drive link. The drive link projection contacts a head of the pump rod. The projections provide a reduced contact area between the pump rod and the drive link, thereby reducing any side-loading on the pump rod and increasing a lifespan of the wear parts.
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