Lifting systems
US9751732B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 25, 2016 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Apr 25, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/12
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Various lifting systems are described that use one or more of the following features. A method for setting an adjustable height upper pulley on a tall structure; load transfer from a suspended load to a tall structure; fan-based stabilizer; stabilizer or horizontal load position control mechanism using a closed loop of cable and taction winch for a crane application; crane-based lifting system that uses a closed loop of lifting cable looped around a traction winch; and a stabilizer or horizontal load position control mechanism that does not need a closed loop of cable. Other embodiments are also described and claims. Other embodiments are also described and claimed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.