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US4334587A
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Offset walking spud
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US4233761A
|
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Earth digging bucket tooth construction having a nose with increased section modulus
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US4263706A
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Method and apparatus for machining dragline assemblies
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US3959899A
|
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Boom point assembly for an excavating machine
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GB1117978A
|
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Tooth point assembly for an earth digging structure
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US3384430A
|
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Bushing for excavating bucket
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GB1100692A
|
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Excavator bucket assembly
|
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GB1100691A
|
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Excavator hitch
|
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US3247607A
|
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Dragline excavating bucket and hitch
|
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US3247606A
|
|
Dragline excavating bucket and hitch
|
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US3243952A
|
|
Retaining pin for two part chain link
|
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US3004317A
|
|
Rope wedge socket connector
|
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US2977654A
|
|
Rope wedge socket
|
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US2869735A
|
|
Trussing for booms
|
|
US2869255A
|
|
Connection for an excavating bucket
|
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US2857773A
|
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Camshaft drive system
|
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US2777284A
|
|
Two part chain link with two aligned pins holding said parts together
|
|
US2697527A
|
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Excavator boom support
|
|
US2633649A
|
|
Dragline bucket and boom control
|
|
US2420675A
|
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Driving shaft and bearing support therefor in walking dragline machine
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