Railways – Droppings catcher
Patent
1975-09-29
1977-10-18
Spar, Robert J.
Railways
Droppings catcher
104183, 175 85, 212 72, 212 77, 214 1PB, E21B 1900
Patent
active
040542106
ABSTRACT:
Pipe handling apparatus for transporting pipe in a pipe carrier between a pipe rack and a derrick floor wherein the pipe carrier is supported by a first cable and is manipulated between the pipe rack and the derrick floor by a second cable which is operably connected to a lateral displacement means mounted with the pipe carrier for lateral displacement of the pipe carrier and the pipe therein as the pipe carrier nears the derrick floor thereby to position the pipe for unloading at the derrick floor without detrimental contact of the pipe with any object to accomplish such lateral displacement.
REFERENCES:
patent: 2751781 (1956-06-01), McConnell
patent: 3655067 (1972-04-01), White
patent: 3700116 (1972-10-01), Rysti
patent: 3774780 (1973-11-01), Buffington
patent: 3825129 (1974-07-01), Beck
Abraham George F.
Spar Robert J.
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