Safety protection apparatus of boarding bridge walking mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 15, 2022
Grant Date -
Jun 18, 2020
app pub date -
Apr 25, 2018
filing date -
Apr 27, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2018 Application Filing Year
- B64F Class
- 589 Applications Filed
- 425 Patents Issued To-Date
- 72.16 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B64F Class
- 0 % this patent is cited more than
- 3 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | May 15, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 15, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 15, 2034 |
