Material or article handling – Well pipe or rod racking mechanism – With slope change
Reexamination Certificate
2006-02-07
2006-02-07
Ridley, Richard (Department: 3651)
Material or article handling
Well pipe or rod racking mechanism
With slope change
Reexamination Certificate
active
06994505
ABSTRACT:
A pick-up and lay-down pipe handling system and method provides a telescopingly extendable pipe trough which is telescopingly extendable from a lift frame. The lift frame is preferably pivotally moveable with respect to a support. A tilting mechanism is operable for tilting the pipe trough to either lateral side for unloading and/or loading purposes. A lift frame with slidable powered lift heads is provided to raise and lower pipes from a pipe rack to the pipe trough. A pivotal guide member on the slidable powered lift head to pivot into a guiding position for guiding pipe from the lift frame onto the pipe trough.
REFERENCES:
patent: 4380297 (1983-04-01), Frias
patent: 4382591 (1983-05-01), Minnis et al.
patent: 4439091 (1984-03-01), Frias
patent: 6533519 (2003-03-01), Tolmon et al.
patent: 6695559 (2004-02-01), Pietras
Frank's International
Ridley Richard
The Matthews Firm
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