Variable function person transportation system(s)
US7237491B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2005 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Oct 17, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2203/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A winch assembly comprisinga) a person lowering and raising winch component attached to a carriage component, the carriage component being configured for coupling to a carriage track of an overhead support for displacement thereof along the carriage trackandb) a carriage displacement component for inducing displacement of the carriage component along the carriage track,the carriage displacement component comprising an electric motor element and a clutch coupling elementthe electric motor element being configured for providing driving effort for the displacement of the carriage component along the carriage trackthe clutch coupling element being configured for coupling and de-coupling the driving effort of the electric motor element such that
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.