Well pump puller
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United States of America Patent
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Oct 29, 2013
Grant Date -
Nov 7, 2013
app pub date -
May 7, 2012
filing date -
May 7, 2012
priority date (Note) -
Granted
status (Latency Note)
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Abstract
A well pump puller, which includes a base, a support element supporting a spindle, and an elastic element, extracts a well pump from within a well by winding electrical wiring attached to the pump around the spindle. During an extraction, at least a portion of any arising yank forces are absorbed by deformation of the elastic element, which reduces the risk of the wiring failing mechanically. A spindle can include a rotation element for rotating the spindle; a spindle lock and safety latch to limit rotation of the spindle; a wire guide to guide the wire; a pipe guide to guide a water pipe connected to the pump; a pipe catch to catch the pipe if the wiring fails; and a drill abutment that can abut a drill used to rotate the rotation element.
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