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U.S. Department of Energy
Office of Scientific and Technical Information

Movable working platform for use in racking drill pipe

Patent ·
OSTI ID:6061358
Suspension members flexibly connected to a carriage and to an overhead support above the racking platform of an oil well mast or derrick support the carriage, which is provided with a floor to support a derrick man therein. The lower end of the suspension means can be swung back and forth parallel to the side of the mast or derrick and also at right angles to it to thereby move the carriage in the same directions, the carriage being provided with a lateral seat for receiving the upper end portion of a pipe and moving it with the carriage into another position.
Assignee:
Lee C. Moore Corporation
Patent Number(s):
US 4163625
OSTI ID:
6061358
Country of Publication:
United States
Language:
English

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