Implements or apparatus for applying pushing or pulling force – Method or apparatus for placement of conductive wire – Conduit snakes
Patent
1975-03-17
1976-11-16
Spar, Robert J.
Implements or apparatus for applying pushing or pulling force
Method or apparatus for placement of conductive wire
Conduit snakes
248539, 248221D, B66C 2360
Patent
active
039919781
ABSTRACT:
A boom for pulling or replacing a submersible pump from a subterranean well. The boom is constructed of a multi-sectional telescopic rod unit mounted vertically to a flanged sleeve base member which fits onto the well casing. A pulley is fixed to the top of the vertical rod, with a winch assembly affixed to the rod member above the base member.
REFERENCES:
patent: 660272 (1900-10-01), Martin et al.
patent: 998306 (1911-07-01), Roman
patent: 1662884 (1928-03-01), Cruickshanks
patent: 2252514 (1941-08-01), Kuenzi
patent: 3128081 (1964-04-01), Buschbom
patent: 3741525 (1973-06-01), Smedley
Oresky, Lawrence
Podell Howard I.
Spar Robert J.
The Raymond Lee Organization Inc.
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