E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/14.4
E21B 19/14 (2006.01) E21B 19/15 (2006.01)
Patent
CA 1167833
Pipe Handling Apparatus Abstract of the Disclosure A system for transferring lengths of pipe laterally between a pipe rack and a pipe handling apparatus. The system comprises two spaced apart arms located on one side of the pipe handling apparatus next to the rack. Each arm has one end pivotally coupled to support means such that its opposite end may move upward and downward. The two arms are located in line with each other for pivotal movement about generally parallel axes respectively. A trough capable of supporting a length of pipe is pivotally coupled to each of the arms at their opposite ends such that the trough will move upward and downward with the opposite ends of the arms. Means is provided for tilting the trough laterally in oppo- site directions. In addition, means is provided for moving the arms about their axes respectively for moving the oppo- site ends of the arms and the trough upward and downward. An elongated trough is slidably located on a vertically pivoted trough to carry pipe from a derrick floor to a pipe rack when there is little or no height differential between the derrick floor and the pipe rack. The slidable trough may be removed when the height differential is such that pipe will slide down the vertically pivoted trough by gravity.
385482
Hirons & Rogers
Ingram Corporation
LandOfFree
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