Jacking tower
US9032689B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2013 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Mar 12, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H12/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of self-erecting a jacking tower includes extending a lift assembly, inserting a first module assembly below the extended lift assembly, lowering the lift assembly around the first module assembly, engaging the lift assembly with the first module assembly, extending the lift assembly with the first module assembly engaged, inserting a second module assembly below the extended lift assembly, lowering the lift assembly, and coupling the first and second module assemblies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.