Rig movement, rotation and alignment assembly

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United States of America Patent

PATENT NO 11859448
SERIAL NO

16926998

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A rig movement, rotation and alignment assembly. A plurality of lifting jack assemblies are provided, each of the lifting jack assemblies attached to a rig substructure. Each of the lifting jack assemblies has a cylinder housing and a rod movable axially within the cylinder housing. Each rod is engaged with a screw drive in order to rotate the rod with respect to the cylinder housing. Each rod includes a circumferential recess wherein the circumferential recess includes at least one flat segment. A retainer plate attached to each bearing pad is received in and engaged with the circumferential recess and with the flat segment, so that rotation of the rod results in rotation of the bearing pad.

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Patent Owner(s)

Patent OwnerAddress
WOOLSLAYER COMPANIES INCSUITE 350 5416 SOUTH YALE TULSA OK 74135

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heidemann, Shelby Chappell Hill, US 3 12
McGuire, Thomas Claremore, US 30 1050

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