Security system for cargo trailers
US7059159B2 · kind B2 · utility
80Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2003 |
| Grant date | Jun 13, 2006 |
| Priority date | — |
| Expiry date | Feb 6, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1021
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An apparatus to secure a door of a cargo container. The apparatus includes a latching device and a cover can be positioned over at least a portion of the latching device. The latching device is positioned within a housing. At least one pad is positioned between the latch and the housing. The latching device includes a screw for moving the latch between an open position and a closed position and a rotary motor for turning the screw. A pre-compressed spring is coupled to the latch and the screw for exerting a force to Increase friction and prevent back rotation of the screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.