Traversing hoists – With haul-in line
Patent
1976-05-21
1977-06-07
Oresky, Lawrence J.
Traversing hoists
With haul-in line
280763, B66C 2362
Patent
active
040278018
ABSTRACT:
An outrigger system for use with mobile cranes, power shovels, and other vehicles requiring rigid ground support, comprises a telescoping beam outrigger system of the type having a pair of outrigger arms each of which comprises a beam telescopically stored in a horizontally disposed housing. The improvement comprises providing an arm construction in which the housing, as well as, the beam is extendible sidewardly. In a preferred embodiment the housing also tilts or translates downwardly as it is extended.
REFERENCES:
patent: 3021016 (1962-02-01), Noll et al.
patent: 3061113 (1962-10-01), Johnson
patent: 3780877 (1973-12-01), Levitt
patent: 3981514 (1976-09-01), Visser
Johnston Roger L.
Wiencek Daniel C.
Bucyrus-Erie Company
Oresky Lawrence J.
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