{
  "$type": "site.standard.document",
  "description": "To be provided is a construction machine capable of effectively reducing noise which would intrude into a cab, without deterioration in ride quality, comfort and air-conditioning efficiency in the cab. The construction machine comprises a lower propelling body, an upper slewing body including an…",
  "path": "/patents/1011307",
  "publishedAt": "2011-07-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B62D33/06",
    "KOBE STEEL LTD [JP]"
  ],
  "textContent": "To be provided is a construction machine capable of effectively reducing noise which would intrude into a cab, without deterioration in ride quality, comfort and air-conditioning efficiency in the cab. The construction machine comprises a lower propelling body, an upper slewing body including an upper frame, a cab including a floor plate and installed on the upper frame, and a cab noise reduction device. The cab noise reduction device comprises: the floor plate; an under-cab member including a cab deck (11) supporting the cab and provided under the cab to define a closed-form under-cab space whose periphery is substantially closed, in cooperation with the floor plate; and a resonator (21) reducing noise in the under-cab space by a resonance effect.",
  "title": "CONSTRUCTION MACHINE WITH DEVICE FOR ACOUSTICALLY INSULATING CABIN"
}