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Two-stage military type trigger

  • US 9,389,037 B2
  • Filed: 06/30/2014
  • Issued: 07/12/2016
  • Est. Priority Date: 03/04/2014
  • Status: Active Grant
First Claim
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1. A trigger assembly for a firearm, comprising:

  • a sear biased into a path of and engageable with a cocking-piece of the firearm at a cocking-piece/sear interface to maintain the cocking-piece in a cocked position, the sear being pivotable about a sear pivot to selectively release the cocking-piece from the cocked position;

    a trigger extending from a trigger body and rotatable about a trigger pin;

    a trigger spring connecting the trigger and the trigger body; and

    a spring plunger mounted to the trigger body, wherein the trigger is pivotable about a trigger pivot in a first stage of movement from a first position to a second position with the trigger spring biasing the trigger into engagement with the sear at a trigger/sear engagement during the first stage of movement, wherein in the first position the trigger engages the sear at the trigger/sear engagement that defines a first length of engagement of the sear on the trigger and a first stage gap is defined between the trigger and the spring plunger so the trigger is not in contact with the spring plunger, and further wherein in the second position the trigger contacts the spring plunger while engaged with the sear at the trigger/sear engagement to define a second length of engagement of the sear on the trigger that is less than the first length of engagement, wherein the trigger is further movable in a second stage of movement from the second position against the spring plunger and the trigger spring to disengage the trigger from the sear and allow the sear to pivot about the sear pivot to disengage the sear from the cocking-piece and release the cocking-piece.

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