Wheel chock alarm systems and related methods
US11285932B2 · kind B2 · utility
1Cited by
11References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2017 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Jun 13, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G69/005
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Example vehicle restraint systems and related methods are disclosed. An example vehicle restraint system includes a wheel chock having an inclined tire-engaging surface, where the wheel chock is movable to an installed position at which the wheel chock is to engage the freight transporter. The vehicle restraint system includes a take-up reel and a retractable elongate member to be at least partially wrapped around the take-up reel. The retractable elongate member to extend between the wheel chock and a platform structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.