Link tilting mechanism for well rigs
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 25, 1984
Grant Date -
N/A
app pub date -
May 2, 1983
filing date -
May 2, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Well apparatus including elevator links connected to a hook or other unit suspended in a derrick and hanging therefrom at opposite sides of the well axis to support an elevator or the like, with power actuated means provided for swinging the lower ends of the links laterally outwardly relative to the upper ends of the links and essentially about those upper ends, to shift the suspended elevator to a side of the well axis.
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Family
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Cited Art Landscape
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