IP Library › Granted Patent US 9,863,730
Granted Patent B2
US 9,863,730 · App. 14/492,065 · Granted Jan 9, 2018

Drop in trigger assembly

Inventor: Arthur J. Elftmann (Glendale, AZ)
F41A19/15F41A19/10F41A19/14F41A19/16
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Quick Facts
Patent No.
US 9,863,730
App. No.
14/492,065
Granted
Jan 9, 2018
Kind
B2
Abstract

A modular trigger and hammer assembly having a hammer, a trigger, a disconnector and a hammer spring for use in a weapon including at least a lob including a firing notch, a safety notch; and a curved landing flat. Also including a trigger needle bearing and a hammer needle bearing.

Claims (15)

1. A trigger and hammer assembly for use in a weapon having:

a hammer,

a trigger having a forwardmost end of the trigger,

a disconnector; and

a hammer spring comprising a single length of wire, the hammer spring having two sides separated by a centerline of the hammer spring, the hammer spring comprising a first torsion spring, the first torsion spring having two layers of coils on one side of the centerline of the hammer spring and a second torsion spring having two layers of coils on the other side of the centerline of the hammer spring.

2. The invention in accordance with claim 1 wherein the hammer spring comprises each of the two torsion springs having five coils.

3. The invention in accordance with claim 1 wherein the hammer comprises a lobe and the lobe of the hammer comprises:

a firing notch;

a safety notch; and

a curved landing flat on the lobe, whereby the curved landing flat facilitates smooth travel of the forwardmost end of the trigger along the lobe of the hammer thererby allowing rapid reset of the trigger.

4. The invention in accordance with claim 3 further comprising a trigger having a forwardmost end wherein the firing notch will interface with the forwardmost end of the trigger.

5. The invention in accordance with claim 3 trigger having a forwardmost end wherein the safety notch will interface with the furthermost end of the trigger whereby the safety notch will interface with the safety notch to prevent accidental firing of the weapon.

6. The invention in accordance with claim 5 , the curved landing flat provides for smooth travel of the forwardmost end of the trigger along the hammer lobe allowing rapid reset of the trigger.

7. The invention in accordance with claim 1 comprising a central bore of the trigger housing a trigger needle bearing.

8. The invention in accordance with claim 7 comprising a central bore of the hammer housing a hammer needle bearing.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 26, 2019
From: ELFTMANN, ARTHUR J, JR
To: ART IDEAS, LLC
Reel/Frame 048706/0943 →
Continuity (2)
Provisional Application 61880947 · Sep 22, 2013
Related Publication 20160363401A1 · Dec 15, 2016