Nov 3, 2026

US12782074 - Ball and blade trigger mechanism

A hammerset device for a firearm incorporates a single quadrant, fixed point, modified Scotch Yoke mechanism between a trigger finger piece and a hammer such that linear movement of the trigger finger piece translates to releasing the hammer, and optionally, continued linear movement of the trigger cocks the hammer for a subsequent firing of the firearm.

Inventors: James Shelton Farley, Jr., James Shelton Farley, III, Michael Alan Farley
Filing date: 2025-01-27

firearmtriggermechanism

The patent describes a hammerset device for firearms that utilizes a modified Scotch Yoke mechanism to convert linear trigger movement into rotational hammer release. This design allows for both the firing of the weapon and the cocking of the hammer for subsequent shots.

Claim 1

1 . A hammerset device for a firearm comprising a Scotch Yoke mechanism disposed between a trigger finger piece and a rotationally-released firearm hammer wherein linear movement of the trigger finger piece is translated by the Scotch Yoke mechanism into rotational movement to release the firearm hammer.

Google Patents

https://patents.google.com/patent/US12782074

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12782074