Construction machine
US12090812B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2020 |
| Grant date | Sep 17, 2024 |
| Priority date | — |
| Expiry date | Jan 15, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/2275
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Provided is a construction machine with which it is possible to shorten a duct for an air conditioning device disposed in a driver's cab, and to secure space for disposing a hydraulic hose, a control valve and the like under the floor of the driver's cab. A hydraulic excavator is provided with a cabin covering an maneuvering unit, a turning frame on which the cabin is mounted, and an air conditioning device for air conditioning the inside of the cabin, wherein: the turning frame includes a cabin installation portion in which the cabin 6 is installed; the cabin installation portion 7a includes a box-shaped right frame having a first opening portion and a second opening portion that communicate with one another; and an air conditioned air discharge opening of the air conditioning device communicates with the first opening portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.