Patent ID: 8074393

Claim:
A dual stage trigger assembly for a firearm comprising: a hammer configured to be powered by a hammer spring, a trigger configured to be preloaded by a trigger spring, and a disconnector; the hammer configured to be pivotally connected with a first pin to a receiver of a firearm, the hammer including a primary sear hook and a secondary sear hook; the trigger configured to be pivotally connected with a second pin through the firearm receiver at a trigger pivot point, the trigger including a trigger sear configured to engage the primary sear hook when the firearm is in a cocked position; the disconnector configured to be pivotally connected to the firearm with the second pin and configured to be operably connected with the trigger, the disconnector configured to engage the secondary sear hook of the hammer before the firearm is discharged; wherein the trigger defines a body including a nose at a first end and a trough formed within the trigger body extending from an opposite second end, the trough configured for housing the disconnector, the trough defining a notch formed by a portion of the trigger that forms the trigger sear, the notch extending into the trigger sear past the trigger pivot point and the notch accommodating at least a portion of the disconnector, the trough defined by two opposing side walls that extend from the notch to the second end of the trigger body.