|
US3032901A
|
|
Scraper bit
|
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GB876391A
|
|
Dragline bucket spreader bar assembly
|
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GB855326A
|
|
Improved excavating tooth and base support therefor
|
|
GB846696A
|
|
Improvements in and relating to dragline bucket assemblies
|
|
GB852624A
|
|
Improvements in spreader bars
|
|
GB890400A
|
|
Improved connector for the hoist chains, hoist cable and dump block of a dragline excavator
|
|
GB846248A
|
|
Improvements in tooth assemblies for digging apparatus
|
|
US2919506A
|
|
Excavating tooth and base support therefor
|
|
US2939227A
|
|
Means for securing excavating tooth
|
|
US2867533A
|
|
Method for overcoming embrittlement of steel alloys
|
|
US2926800A
|
|
All-cast dipper
|
|
US2949687A
|
|
Excavating tooth
|
|
US2910170A
|
|
Flight fixture assembly
|
|
GB826160A
|
|
Improvements in and relating to draglines
|
|
US2872716A
|
|
Choker hook
|
|
US2885801A
|
|
Tooth structure for trenchers and the like
|
|
US2895195A
|
|
Sleeve ferrule
|
|
US2832118A
|
|
Ferrule
|
|
US2862314A
|
|
Drag hitch assembly
|
|
US2895239A
|
|
Dragline bucket assembly
|
