Lateral damping and intermediate support for escalators and moving walks in seismic events
US10479652B2 · kind B2 · utility
1Cited by
32References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2015 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Jul 22, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B23/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An intermediate support structure for an escalator or moving walk having a dampening device with slots formed therein allowing a supported escalator truss to be free to move laterally to accommodate lateral displacement caused by story drift during an earthquake or seismic event.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.