Patent ID: 9702250
Date: 2017-07-11
CPC Classifications: B66F,E02F,E21C

Claim:
1. A power shovel comprising: a body; a machine house coupled to the body, the machine house comprising a first level and a second level with the second level being disposed directly above the first level; an electrical component disposed in an interior of the machine house; at least two radiators are disposed on the first level; a powered hoist drum coupled to the body, the hoist drum being disposed on the second level and outside of the machine house; a cable coupled to the hoist drum, the cable being disposed outside of the machine house; a dipper coupled to the cable, the dipper and cable being configured such that the dipper is raised or lowered when the hoist drum rotates; and at least two hoist drum motors disposed inside of the machine house and coaxial with a hoist drum axis.