Transfer device
US4156946A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 5, 1978 |
| Grant date | Jun 5, 1979 |
| Priority date | — |
| Expiry date | Jun 5, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20762
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A patient transfer device comprises a belt connected at its ends to first and second reels and in its extension from the first reel to the second reel defines in turn an upper patient supporting portion and a lower ground engaging portion. Each of said reels is selectively rotatable so that in a first mode of operation of the transfer device with said first reel driven the belt is taken-up by the first reel and let out by the second reel and in a second mode of operation the belt is taken up by the second reel and let out by the first reel. An auxiliary belt take-up and let-out device is connected to the belt at a position between its upper patient supporting portion and its lower ground engaging portion and is selectively lockable to enable the first and second modes of operation to be performed. With said first reel locked said auxiliary device can be driven so that in a third mode of operation the belt is taken up by the auxiliary device and let out by the second reel and in a fourth mode of operation rotation of said second reel with said auxiliary device unlocked the belt is taken up by the second reel and let out by the auxiliary device. The first and second reels and the aux…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.