Powered access platform units
US4967876A · kind A · utility
4Cited by
5References
9Claims
0Family size
Inventors
Key dates
| Filing date | May 1, 1989 |
| Grant date | Nov 6, 1990 |
| Priority date | — |
| Expiry date | May 1, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F11/044
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A powered access platform unit having a wheeled base carrying a corner pillar to which is articulated one end of a parallel linkage boom articulated at the other end to the remote corner of a platform structure on the same side of said structure as the side of the base which carries the corner pillar, and a drive unit on the base for raising and lowering the platform structure on the parallel linkage boom by means of an hydraulic ram articulated between the base pillar and the boom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.