Lifting assist device
US8128065B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2008 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Aug 31, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2200/32
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed herein is a device for lifting an article comprising a housing having an inner chamber, the housing having a leading edge region in fluid communication with the inner chamber, the leading edge region being arranged to engage an access region between an article and a support surface beneath the article, an elongate tubular member having a first open end region and a second closed end region, the first open end region being directly or indirectly in fluid tight relation with the leading edge region, the elongate tubular member having a first surface in fluid communication with the inner chamber and an opposite second surface, the housing being arranged to provide a retracted position in which the elongate tubular member is held relative to the leading edge region and responsive to an operative pressure within the inner chamber to unfurl beyond the leading edge region to cause the elongate tubular member to migrate along the access region with the second surface in contact with the article and the support surface and with minimal relative motion between the contacting surfaces of the elongate tubular member, the article and the support surface and toward a deployed position …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.