US12510314 - Breech block and rifle with such a breech block

The patent describes a breech block designed for a rifle, featuring a bolt carrier with a bolt head and a locking device that utilizes two pivotable locking elements. These elements can be moved between release and locking positions through a control element that ensures their controlled movement via support areas.

Claim 1

1 . A breech block with a bolt carrier, on which a bolt head and a locking device are arranged with two diametrically opposed locking elements pivotable via a control element from a release position into a locking position for holding the bolt head in a bolt head locking position, wherein the locking elements are mounted to pivot via journals around a common transverse axis and wherein the control element contains front and rear support areas which abut against the locking elements for controlled forced movement of the locking elements into both the locking position and the release position. wherein the locking elements are mounted to pivot via journals around a common transverse axis and wherein the control element contains front and rear support areas which abut against the locking elements for controlled forced movement of the locking elements into both the locking position and the release position.

Google Patents

https://patents.google.com/patent/US12510314

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12510314