Invalid hoists
US6367103B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2000 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Sep 28, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G7/1076
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An invalid hoist comprises a lifting arm, a sling hanger support angularly displaceable relative to the lifting arm about a vertical or substantially vertical axis and a sling hanger which is of unitary construction pivotable about a horizontal axis relative to the sling hanger support and which presents two spaced sling attachment points on one side of the horizontal axis and at least one sling attachment point on the other side of the horizontal axis. A rotary drive mechanism is provided for pivoting the sling hanger about said horizontal axis relative to the sling hanger support and switch means are provided for selectively rotating the rotary drive means in one or other of two opposite directions. The sling hanger support is of generally inverted U-shape configuration having a cross member and two parallel or substantially parallel limbs depending from the cross member. The sling hanger is pivotably connected to the lower ends of the depending limbs and the rotary drive mechanism comprises a power unit supported by the sling hanger support at or adjacent to the cross member and a transmission system connecting the power unit to the sling hanger for pivoting the sling hanger rel…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.