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US 7,743,543 B2Granted
Trigger mechanism and a firearm containing the same
OwnerTheodore Karagiasinventor
Life of this patent
Estimating the term…
Abstract
A firearm having a small trigger pull force, small trigger pull distance, and a large sear engagement is provided. The firearm of the present invention provides a safe firearm having a light and crisp trigger pull. Certain embodiments of the present invention may provide a firearm having a ratio of sear engagement to trigger pull distance that is greater than or equal to 1.0.
Claims27
A firearm comprising:
- a sear assembly comprising a sear and a sear roller;
- a trigger assembly comprising a trigger;
- a firing pin assembly comprising a cocking piece, wherein said sear assembly, said trigger assembly, and said firing pin assembly are operably connected to each other so that said sear roller obstructs the movement of said cocking piece until said trigger is pulled to a firing position;
- and
- a bolt assembly comprising an extractor collar and a bolt having a firing pin cam integrally incorporated into said bolt;
- wherein
- said firing pin assembly comprises a firing pin;
- said firing pin cam is surrounded by said extractor collar to be hidden from visual observation;
- and
- said bolt assembly is capable of resetting said firearm after said firearm has been discharged.
7 more elements
A firearm comprising:
- a sear assembly comprising a sear and a sear catch;
- a trigger assembly comprising a trigger, said sear assembly and said trigger assembly are operably connected to each other to provide a ratio of a sear engagement to a trigger pull distance that is greater than or equal to 0.5 and less than or equal to 10, said sear engagement being a length of a contact path along a sear engaging surface of said sear catch contacted by said sear so as to disengage said sear from said sear catch, said trigger pull distance being a distance traveled by said trigger from a set position to a position which causes said sear and said sear catch to be disengaged from each other;
- a receiver;
- wherein
- said trigger assembly further comprises a trigger roller;
- and
- said sear is connected to said receiver by a sear pin, said sear catch is connected to said receiver by a sear catch pin, said trigger is connected to said sear catch by a trigger pin, and said trigger roller is in contact with said receiver.
4 more elements
A firearm comprising:
- a receiver;
- a sear assembly comprising a sear and a sear catch;
- a trigger assembly comprising a trigger and a trigger roller;
- and
- wherein said sear is connected to said receiver by a sear pin, said sear catch is connected to said receiver by a sear catch pin, said trigger is connected to said sear catch by a trigger pin, and said trigger roller is in contact with said receiver.
2 more elements
A firearm comprising:
- a receiver;
- a sear assembly comprising a sear and a sear catch;
- a trigger assembly comprising a trigger and receiver-engaging means for movably engaging said receiver, said receiver-engaging means including a trigger roller;
- and
- said sear is connected to said receiver by a sear pin, said sear catch is connected to said receiver by a sear catch pin, and said trigger is connected to said sear catch by a trigger pin.
2 more elements
Dependencies are inferred from the claim text.