Crowd drive assembly for power shovels

E - Fixed Constructions – 02 – F

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214/26

E02F 3/30 (2006.01) E02F 9/20 (2006.01) E02F 3/42 (2006.01)

Patent

CA 1120900

CROWD DRIVE ASSEMBLY FOR POWER SHOVELS Abstract of the Disclosure In a power shovel having a main support unit, a front end assembly operatively connected to the main support unit and a rope crowd system mounted on the main support unit and oper- atively connected to the front end assembly, a crowd drive as- sembly for the rope crowd system comprising a rope drum mounted on a support frame supported on said main support unit, a drive shaft journaled in the support frame adjacent the tangential point of the crowd rope wound on the rope drum, transversely spaced means disposed on the drive shaft for transmitting tor- que to the rope drum and means supported on the main support unit for driving the drive shaft.

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