Firearm safety plug
US6250008A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 10, 1999 |
| Grant date | Jun 26, 2001 |
| Priority date | — |
| Expiry date | Sep 10, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A17/44
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A safety plug for the firing chamber of a firearm provides a visual indication of its presence within the firing chamber (thereby preventing accidental discharges). The safety plug is shaped similar to an ammunition cartridge commonly used in the firearm. A tab extends outwardly from the safety plug through the breech to provide visible confirmation of its presence in the firing chamber. The tab includes a luminescent element to enhance visual confirmation in low light conditions. A beveled rim is engaged by an extractor to remove the safety plug from the firing chamber without catching on a top round of ammunition loaded in the firearm's magazine. An annular lip and a collet are formed at the forward end of the safety plug for use in certain types of firearms, such as a pump-action shotgun, to prevent the safety plug from falling out of the firing chamber or jamming.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.