Back to results
US 11,927,409 B2Granted
Firing mechanism with secondary interface for a firearm
AssigneeFn Herstal S.A.
InventorsOlivier Holger Costet, Jonathan Howard Derrick
Life of this patent
Estimating the term…
Abstract
A firing mechanism provides a secondary interface between a hammer and a sear of a firearm that will automatically be engaged in case a primary interface between the hammer and the sear fails. In various embodiments, an actuator is employed to facilitate engagement of the primary and secondary interfaces.
Claims18
A firing mechanism, comprising:
- a hammer pivotably mounted about a hammer axis;
- a sear pivotably mounted about a sear axis, wherein the sear comprises a first hook operable to provide a primary interface with the hammer;
- an actuator comprising an actuator base and an actuator arm extending radially outwardly from the actuator base, wherein the actuator base is pivotably mounted about an actuator axis;
- wherein the sear further comprises a second hook operable to provide a secondary interface with the hammer and wherein, upon failure of the first hook, the second hook secures the hammer and prevents discharge of the firearm;
- and
- wherein the actuator arm comprises a notch and further comprising a trigger operable to rotate the actuator about the actuator axis to disengage the second hook of the sear from the notch of the actuator arm, thereby permitting the first hook of the sear to release the hammer and permit the firearm to be discharged.
3 more elements
A firing mechanism, comprising:
- a hammer pivotably mounted about a hammer axis;
- a sear pivotably mounted about a sear axis, wherein the sear comprises a first hook operable to provide a primary interface with the hammer, wherein the sear further comprises a second hook operable to provide a secondary interface with the hammer, wherein the primary interface is a first distance from the sear axis and the secondary interface is a second distance from the sear axis, and further wherein the first distance is smaller than the second distance;
- an actuator pivotably mounted about an actuator axis;
- and
- wherein the firing mechanism further comprises 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, wherein, upon failure of the first hook, the second hook secures the hammer and prevents discharge of the firearm.
2 more elements
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.
4 more elements
Dependencies are inferred from the claim text.