Elevating work platform structure
US6164418A · kind A · utility
Inventors
Key dates
| Filing date | Mar 5, 1999 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Mar 5, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B19/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevating work platform structure for use in constructing an elevator channel before and after the elevator car has been placed into the elevator channel includes a horizontal beam, two side posts connected to two ends of the horizontal beam, two upper platforms integrally connected to two upper side ends of the two side posts respectively, two lower platforms integrally connected to two lower side ends of the two side posts respectively, and two safety brake arrangements provided at a lower front portion of each of the side posts for providing an instant emergency brake if the suspension cable holding up said elevating work platform structure breaks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.