TOP DRIVE WITH DRAG CHAIN
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United States of America
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Issued Date -
Dec 19, 2024
app pub date -
Jun 13, 2024
filing date -
Jun 13, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A top drive that can include a stationary portion, a rotary portion rotationally coupled to the stationary portion, the rotary portion being configured to rotate about a center axis, a drag chain with a first end coupled to the stationary portion and a second end coupled to the rotary portion, a first circular path with a first radius relative to the center axis, and a second circular path with a second radius relative to the center axis, wherein the first radius is different from the second radius, wherein the drag chain comprises a first portion that is disposed along the first circular path and a second portion that is disposed along the second circular path, and wherein a length of the first portion along the first circular path increases or decreases as the rotary portion rotates relative to the stationary portion.
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