US12693087 - Firearm trigger mechanism installation device and method
The patent describes a tool designed for the installation of a fire control group in a firearm’s lower receiver, featuring two sides that create a cavity for the trigger and hammer components. This tool includes a flexible tie to maintain the fire control group in a preloaded position during installation.
Claim 1
1 . A tool for installing a fire control group in a lower receiver, the fire control group comprising a set of trigger components and a set of hammer components, the tool comprising: a first side having an inner surface, an outer surface opposite the inner surface, and a recess defined in the inner surface, the recess having a first portion for receiving at least a portion of the trigger components and a second portion for receiving at least a portion of the hammer components; a second side having an inner surface, an outer surface opposite the inner surface, and a recess defined in the inner surface, the recess having a first portion for receiving at least a portion of the trigger components and a second portion for receiving at least a portion of the hammer components; wherein, when first and second sides are assembled together, the inner surfaces of the first and second side contact each other and the recesses of the first and second side cooperate with each other to define a cavity within which the set of trigger components and the set of hammer components are at least partially arranged, the cavity having a bottom opening through which the fire control group may be withdrawn unobstructed by the first and second side; and a flexible tie wrapped around the first and second sides for retaining the fire control group relative to the first and second sides in a preloaded state. a first side having an inner surface, an outer surface opposite the inner surface, and a recess defined in the inner surface, the recess having a first portion for receiving at least a portion of the trigger components and a second portion for receiving at least a portion of the hammer components; a second side having an inner surface, an outer surface opposite the inner surface, and a recess defined in the inner surface, the recess having a first portion for receiving at least a portion of the trigger components and a second portion for receiving at least a portion of the hammer components; wherein, when first and second sides are assembled together, the inner surfaces of the first and second side contact each other and the recesses of the first and second side cooperate with each other to define a cavity within which the set of trigger components and the set of hammer components are at least partially arranged, the cavity having a bottom opening through which the fire control group may be withdrawn unobstructed by the first and second side; and a flexible tie wrapped around the first and second sides for retaining the fire control group relative to the first and second sides in a preloaded state.
Google Patents
https://patents.google.com/patent/US12693087
USPTO PDF
https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12693087