Apparatus For Loading/Unloading Drill Pipe
OwnerPaul Oldershawinventor
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OwnerPaul Oldershawinventor
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A device for assisting in the loading and off-loading of oil well tubulars from a trailer comprising a frame, a bottom side and a top side defining a bed. The bed comprises a front and a back defining a longitudinal axis. A bin retaining the tubulars may be formed by upright members and attached to the frame. At least two horizontal pipe support members may be oriented transverse to the bed of the trailer and raising-lowering means may be provided for the horizontal pipe support members. The horizontal pipe support members may be raised in near simultaneous manner. The raising-lowering means may comprise a ram member comprising an extendable piston, wherein the piston extends and retracts in parallel alignment with the longitudinal axis of the trailer. The raising-lowering means may further comprise cable members attached at a first end to the piston, and attached at a second end to the horizontal pipe support members, and may comprise a plurality of pulleys.
A device for assisting in the loading and off-loading of oil well tubulars from a trailer comprising:
A device for assisting in the loading and off-loading of oil well tubulars from a trailer comprising:
A device for assisting in the loading and off-loading of oil well tubulars from a trailer comprising:
Dependencies are inferred from the claim text.