Patent ID: 11927409
Assignee: FN HERSTAL S.A.
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 12:
13. A firing mechanism, comprising:
a frame or housing;
a hammer secured within the frame or housing and pivotably mounted about a hammer axis;
a sear secured within the frame or housing and pivotably mounted about a sear axis, wherein the sear comprises a first hook operable to provide a primary interface with the hammer and a second hook operable to provide a secondary interface with the hammer;
an actuator secured within the frame or housing and pivotably mounted about an actuator axis, wherein the actuator comprises a notch operable to engage the second hook of the sear;
a trigger operable to rotate the actuator about the actuator axis to disengage the second hook of the sear from the actuator, thereby permitting the first hook of the sear to release the hammer and permit the firearm to be discharged; and
wherein, upon failure of the first hook, the second hook secures the hammer and prevents discharge of the firearm.