Lifting apparatus
US6394419B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Feb 2, 2000 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Feb 2, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F7/08
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A lifting apparatus for lifting articles or persons between raised and lowered positions comprising a base which is movable between raised and lowered positions and a support frame in relation to which the base is movable. Guide means are provided to guide the movement of the base between raised and lowered positions and power means are provided to allow the base to move between the positions. The apparatus is also provided with wheels or rollers which allow the apparatus to be moved along a surface and the wheels or rollers can be moved between an in-use position with the wheels contacting the surface and a retracted position with the wheels above the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.