License plate security lock
US8523504B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Feb 27, 2012 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | May 4, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R13/105
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A license plate security device comprises a spin barrel into which a license plate mounting machine screw is inserted. These are inserted into a spin barrel assembly with a closed bottom and an open top. The license plate is installed on the vehicle using at least one of these license plate security devices, more machine screws, and an ordinary screwdriver. A machined slug is inserted into the opened end of the spin barrel and secured by security set screw to keep from getting access to the head of the machine screw. With slug in place it helps keep out dirt, water, and rust. Removing the license plate now requires a security tool to remove the security set screw from the spin barrel and slug to access the head of the machine screw. Turning the spin barrel only will not remove the machine screw because it cannot transmit enough torque.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.