Winch assembly for the displacement of a person between a first vertical position and a second vertical position
US6675412B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2002 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Aug 8, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2200/34
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A winch assembly for the displacement of a person between a first vertical position and a second vertical position comprising:a winch for displacing a person in a harness between said first and second vertical positions;a first winch attachment means for realizably engaging said harness, said first winch attachment means being attached to said winch for the displacement of a person between said first and second vertical positions; anda second winch attachment means for realizably attaching the winch to an overhead support,the improvement wherein said first attachment means comprises two opposed support arms and displacement means associated with each said support arms whereby at least part of each arms is displaceable between a working extended position for engaging said harness and a non-working retracted position.The winch has a reduced or more compact aspect during non-working periods as well as in the case of a moving of the winch assembly during non-working periods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.