Pinned structural connection using a pin and plug arrangement
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United States of America Patent
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Aug 26, 2014
Grant Date -
Mar 22, 2012
app pub date -
Aug 31, 2011
filing date -
Feb 29, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Generally, the subject matter disclosed herein is directed to, among other things, systems and methods for making up pivotably pinned structural connections that may be used for erecting drilling rig masts. One illustrative system includes a drilling rig mast having at least one support leg, a drilling rig mast support having at least one mast support shoe, and a pinned connection between the at least one support leg and the at least one mast support shoe. Additionally, the pinned connection of the disclosed system includes a pin, an oversized hole having at least a first hole portion, and a removable plug that is adapted to be inserted into the oversized hole, wherein the removable plug has at least a first plug surface portion, and wherein the first hole portion and the first plug surface portion define at least part of a pin hole that is adapted to receive the pin.
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