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US4098139A
|
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Gear train and method of aligning component gears thereof
|
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US4046270A
|
|
Power shovel and crowd system therefor
|
|
US4037894A
|
|
Frame construction for power shovels and the like
|
|
US4085854A
|
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Pitch stop assembly for power shovels
|
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US3990161A
|
|
Crowd system for power shovels
|
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US3985406A
|
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Cushioned roller circle
|
|
US4044903A
|
|
Specific linkage arrangement for bucket control
|
|
US3971215A
|
|
Power shovel and crowd system therefor
|
|
US3976211A
|
|
Motion limit system for power shovels
|
|
US3905711A
|
|
Cable connecting assembly
|
|
US4038765A
|
|
Boom support structure for walking dragline excavator
|
|
CA1027521A
|
|
Power shovel and crowd system therefor
|
|
US3940163A
|
|
Vehicle for traversing rough terrain
|
|
CA1010413A
|
|
Cushioned roller circle
|
|
US3896569A
|
|
Earth working implement and tooth assembly therefor
|
|
US3856161A
|
|
Power shovel
|
|
US3933260A
|
|
Hoist system for power shovels
|
|
US3757959A
|
|
Boom point sheave assembly
|
|
CA965123A
|
|
Vehicle for traversing rough terrain
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|
US3942662A
|
|
Vehicle having front end load supporting member
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