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US 7,331,136 B2Granted
Adjustable dual stage trigger mechanism for semi-automatic weapons
OwnerWilliam Hugo Geisseleinventor
Life of this patent
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Abstract
A dual stage trigger assembly for a firearm. The trigger assembly comprises a spring loaded lightweight hammer, a spring loaded trigger, a spring loaded disconnector, a spring follower for the disconnector spring and two adjustment screws that allow the user the ability to adjust the sear face of the trigger that is engaged with the hammer in the cocked position and adjust the force imparted to the disconnector by the disconnector spring.
Claims3
An adjustable dual stage trigger assembly comprising:
- a spring powered hammer, a spring preloaded trigger, a spring loaded disconnector assembly;
- said spring powered hammer being pivotally connectable with a first pin to the receiver of a firearm and having a primary sear hook and a secondary sear hook;
- said spring preloaded trigger being pivotally connected with a second pin through said firearm receiver and having a trigger sear engaging said primary hammer sear hook when the firearm is in the cocked position;
- said spring loaded disconnector assembly being pivotally connectable with said second pin and being operably connected with said trigger;
- said trigger having a bridge over said spring loaded disconnector assembly;
- a screw adjustable by a user of said firearm in said spring loaded disconnector assembly;
- said bridge having a bottom surface contacting said screw in said spring loaded disconnector assembly;
- said screw allowing said user to adjust engagement of said trigger sear with said primary hammer sear hook and causing a portion of said spring loaded disconnector assembly to contact a portion of said secondary hammer sear.
5 more elements
Dependencies are inferred from the claim text.