{
  "$type": "site.standard.document",
  "description": "A construction machine including an upper revolving body capable of improving maintenance work efficiency is provided, in which when a worker carries out a plurality of maintenance operations, the worker can safely carry out the plurality of maintenance operations with a stable posture at the same…",
  "path": "/patents/951474",
  "publishedAt": "2015-04-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K13/02",
    "CATERPILLAR SARL [CH]"
  ],
  "textContent": "A construction machine including an upper revolving body capable of improving maintenance work efficiency is provided, in which when a worker carries out a plurality of maintenance operations, the worker can safely carry out the plurality of maintenance operations with a stable posture at the same location on a maintenance deck without moving to another location when the worker starts another operation after finishing one operation. The upper revolving body 6 includes a maintenance deck 30 that is provided on the upper center thereof, and a elevating step 32 that is provided to ascend and descend from a side portion of the upper revolving body 6 toward the maintenance deck 30, and equipment requiring maintenance is provided around the maintenance deck 30 on the upper revolving body 6, and a maintenance portion of the equipment is provided in the vicinity of the maintenance deck 30.",
  "title": "CONSTRUCTION MACHINERY"
}