Construction machine
US7466337B2 · kind B2 · utility
15Cited by
13References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2002 |
| Grant date | Dec 16, 2008 |
| Priority date | — |
| Expiry date | Apr 7, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/261
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A construction machine comprises a lower traveling body and an upper revolving body rotatably attached to the lower traveling body via a revolving mechanism 2, wherein a rear surveillance camera is arranged on a back surface side of the upper revolving body between a counter weight of the upper revolving body and a swing circle of the revolving mechanism, and right and left crawler end portions of the lower traveling body 1 can be simultaneously visually checked by means of the rear surveillance camera.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.