Access devices for semi-trailers
US12378801B2 · kind B2 · utility
0Cited by
25References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2023 |
| Grant date | Aug 5, 2025 |
| Priority date | — |
| Expiry date | Jan 12, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/12
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A door access device for a semi-trailer includes: a lock device to control access to the semi-trailer and a controller for the lock device. The lock device includes a door lock at a door of the semi-trailer, the lock device to be electrically actuated to lock and unlock the door. The controller programmed to: determine that a semi-tractor has established an electrical connection with the semi-trailer; determine whether the semi-tractor is authorized to connect to the semi-trailer; and, in response to a determination that the semi-trailer is authorized to connect to the semi-trailer, actuate the lock device to unlock the door.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.