Firing mechanism for semi-automatic firearms
OwnerHans M. Rathinventor
Life of this patent
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Abstract
A firing mechanism for semi-automatic firearms features simplicity of construction and reliability with safety. Essentially, the firing mechanism consists of a trigger, sear, hammer and safety. Preferably, the firing mechanism also includes a convenient safety blocking lever including an extension which, under proper circumstances, protrudes inside of the trigger guard to be felt by the finger of the shooter to assure him that the gun is cocked. In another position, the safety blocking lever disables the safety and the shooter, not being able to shift the safety, is assured that the firearm is not cocked and not ready to fire.
Claims6
A firing mechanism for semi-automatic firearms comprising a housing means adapted for placement in a firearm receiver, a hammer having a hammer spring and being pivotally mounted on the housing means, a trigger, a sear associated with the trigger, a common pivot element for the trigger and sear on said housing means, the sear having an elongated opening receiving said common pivot element whereby the sear is shiftable within fixed limits on the common pivot element relative to the trigger, a sear spring urging the sear rotationally in one direction on the common pivot element relative to the trigger, said hammer including a hammer nose adapted to catch the sear below the common pivot element when the sear is in an upper position on the common pivot element, said trigger having a trigger nose adapted to then abut the back of the sear and the trigger having a recessed face below the trigger nose to engage the back of the sear when the sear is in a lowered position on the common pivot element, a safety on said housing means and having "on" and "off" positions, an extension on the trigger adapted to engage said safety in the "on" and "off" positions thereof, said trigger having a cavity within which said sear is disposed, a pair of surfaces, one on said sear and one in the trigger cavity adapted to abut solidly when the sear is in said upper position and the trigger nose is abutting the back of the sear, and said sear spring disposed across said abutting surfaces of the sear and trigger and urging the sear rotationally in a direction to move the back of the sear against said trigger nose.
A firing mechanism for semi-automatic firearms comprising a housing means adapted for placement in a firearm receiver, a hammer having a hammer spring and being pivotally mounted on the housing means, a trigger, a sear associated with the trigger, a common pivot element for the trigger and sear on said housing means, the sear having an elongated opening receiving said common pivot element whereby the sear is shiftable within fixed limits on the common pivot element relative to the trigger, a sear spring urging the sear rotationally in one direction on the common pivot element relative to the trigger, said hammer including a hammer nose adapted to catch the sear below the common pivot element when the sear is in an upper position on the common pivot element, said trigger having a trigger nose adapted to then abut the back of the sear and the trigger having a recessed face below the trigger nose to engage the back of the sear when the sear is in a lowered position on the common pivot element, a safety on said housing means and having "on" and "off" positions, an extension on the trigger adapted to engage said safety in the "on" and "off" positions thereof, a safety blocking lever pivoted to said housing means and having a first leg adapted to engage said safety to prevent shifting of the safety and a second leg adapted to protrude into the space ahead of the trigger when the firearm is cocked, and a spring engaging said safety blocking lever and urging said one leg thereof toward said safety and the second leg thereof toward a non-protruding position relative to the trigger.
Dependencies are inferred from the claim text.