GRAB ARM HOUSING FOR GRAPPLE ATTACHMENT

A two-piece grab arm housing for a grapple mechanism useable on a grapple attachment is described. The grab arm housing includes a lower arm housing with grab arms mounted to the lower arm housing, and an upper arm housing mounted to the lower arm housing. The upper arm housing and the lower arm hou...

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Bibliographic Details
Main Authors JOHNSON, Stuart, MICHEL, Matthew J, LAVALLEY, Jason, LARSON, Daniel L, KILDE, Jesse J, WURGLER, Rodney, BERG, Tim, CRESS, David
Format Patent
LanguageEnglish
French
German
Published 06.09.2017
Subjects
CRANES
CUTTING
DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
HAND CUTTING TOOLS
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PERFORMING OPERATIONS
SEVERING
TRANSPORTING
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Summary:A two-piece grab arm housing for a grapple mechanism useable on a grapple attachment is described. The grab arm housing includes a lower arm housing with grab arms mounted to the lower arm housing, and an upper arm housing mounted to the lower arm housing. The upper arm housing and the lower arm housing are movable relative to one another in an x-direction and are moveable together in a y-direction perpendicular to the x-direction. In addition, the upper arm housing includes an opening through which a main beam of the grapple attachment can extend.
Bibliography:Application Number: EP20130823551