Gas management for firearms
US11740043B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2022 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Sep 12, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A5/28
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A firearm can include a receiver, a bolt, and a gas block. In certain implementations, the receiver and/or barrel extension includes a locking shoulder, a lug-interface region forward of the locking shoulder, and a channel wall that defines a bolt channel and a bolt-lug raceway rearward of the locking shoulder. In some implementations, the bolt includes a bolt lug. The bolt lug can be sized and shaped to slidably engage the bolt-lug raceway. Additionally, the bolt can be positioned within the bolt channel of the receiver. Further, the gas block can be positioned at the lug-interface region. In some implementations, the gas block is rotatable with the bolt lug. In particular implementations, the gas block includes a raceway plug sized and shaped to block the bolt-lug raceway. The gas block can also include a bolt-lug notch sized and shaped to mate with the bolt lug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.