Construction equipment
US3933261A · kind A · utility
6Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Apr 16, 1994 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A construction machine composed of a backhoe on a tractor vehicle equipped with a high strength cab, the machine further including a boom assembly mounted atop the cab for pivotal movement about a vertical axis and a horizontal axis. The boom can be equipped with a suitable tool to cooperate with the backhoe. The boom preferably carries a pole claw and a cable equipped with a chain and hook for erecting a pole, while the backhoe can perform the attendant digging and refilling of the trench.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.