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Method and system for controlling movement of a digging dipper
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CA2210667A1
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Clevis with improved pin locking assembly
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Retarding mechanism for the dipper door of a mining shovel
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Surface mining shovel
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Overhead crane with adjustable bearings
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Dumping system for a dragline bucket
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Bearing retainer assembly.
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Dragline with cantilevered side-access dump block.
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Crane trolley having pivotal arms
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Method and apparatus for securing a rope in a socket
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Polar crane and related method
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System for equalizing the load of a plurality of motors
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Pin retention device and related method for retaining a trunnion link pin in a digging implement
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Rigging assembly for an excavating bucket
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Dragline with improved thrust bearing assembly supporting upper structure
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Dragline with high headroom between upper and lower structures
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Dragline with cantilevered side-access dump block
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Bearing retainer assembly
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Material-handling machine with hinged leg
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