Safety protection apparatus of boarding bridge walking mechanism
US11498699B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 25, 2018 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Oct 27, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G69/2876
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A boarding bridge walking mechanism with a safety protection apparatus, the safety protection apparatus includes an inner retainer mechanism, an outer retainer mechanism, a connecting mechanism and an induction and control mechanism. The inner retainer mechanism includes an inner bracket and a first universal wheel. The outer retainer mechanism includes an outer bracket. The outer bracket is disposed on the outer circumference of the inner bracket, and a lower end of the outer bracket is lower than a lower end of the inner bracket. The connecting mechanism includes a first connecting component. The first connecting component is connected between the inner bracket and the outer bracket, such that the inner bracket is hinged with the outer bracket. The induction and control mechanism includes an induction unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.