E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/14.6
E21B 19/00 (2006.01) E21B 19/14 (2006.01)
Patent
CA 1036588
ABSTRACT A pipe guide head for well pipe racking apparatus has plural slides defining different sizes of pipe receiving guide openings, extensible from retracted positions within the body to extended positions for receiving pipe, each slide being connected with a lever arm pivoted on the body to close the lever arm across the pipe opening upon extension of the slide and open the lever upon retraction of the slide. Fluid pressure operated actuators are connected with the slides to extend and retract them.
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