|
CA2165360A1
|
|
Improved boom construction for sliding boom delimbers
|
|
US5009353A
|
|
Cable tensioning device
|
|
US5103966A
|
|
Centrifugal force material transfer apparatus
|
|
US4601607A
|
|
Mine shaft guide system
|
|
US4353676A
|
|
Bunker for tunnel boring
|
|
US3508667A
|
|
Antipendulation crane with damped sheave on bight of hoist rope
|
|
US3356191A
|
|
Magnetic brake
|
|
US3294262A
|
|
Crane
|
|
US3223266A
|
|
Skip bucket
|
|
US3254775A
|
|
Anti-swing damping means for cranes
|
|
US3207329A
|
|
Cargo handling apparatus
|
|
US3107791A
|
|
Load handling apparatus
|
|
US3083838A
|
|
Crane
|
|
US3107796A
|
|
Load position indicating device for a cargo handling apparatus
|
|
US3061112A
|
|
Material handling apparatus
|
|
US3063572A
|
|
Counterbalanced cargo handling apparatus
|
|
US3077992A
|
|
Material handling apparatus
|
|
US3061128A
|
|
Skip with hydraulically operated dumping door
|
|
US3052367A
|
|
Skip
|
|
US3052384A
|
|
Skip loading apparatus
|
