Oct 13, 2026

US12760991 - System and method of adding and removing roll pins from a firearm

A system and method for adding and removing a roll pin from a firearm. The system comprises an upper plate defined by a top surface and an opposed bottom surface. The bottom surface comprises at least one punch insert sized and shaped to remove a roll pin from a corresponding bore hole in a firearm. The bottom surface also includes at least one punch pin configured to releasably hold a first end of a roll pin. The system also includes a lower plate defined by a top surface and a bottom surface, wherein the top surface includes a channel that passes through the lower plate.

firearmrollpinmechanism

The patent describes a system for efficiently adding and removing roll pins from firearms, featuring an upper and lower plate with specialized punch inserts and pins. This design allows for precise alignment and controlled movement to facilitate the installation and extraction of roll pins.

Claim 1

1 . A system for adding and removing a roll pin from a firearm, the system comprising: an upper plate defined by a top surface and an opposed bottom surface, wherein the bottom surface comprises at least one punch insert sized and shaped to remove a roll pin from a corresponding bore hole in a firearm and wherein the bottom surface also includes at least one punch pin configured to releasably hold a first end of a roll pin; a lower plate defined by a top surface and a bottom surface, wherein the top surface includes a channel that passes through the lower plate, wherein the channel is aligned with the punch insert when the plates are aligned with the upper plate lower face and the lower plate top face in direct contact with each other; wherein the top face of the lower plate includes at least one indentation sized and shaped to house the at least one punch pin when the upper and lower plates are aligned in direct contact with each other; and wherein upper plate and lower plate are parallel and configured to advance towards each other and away from each other on demand. an upper plate defined by a top surface and an opposed bottom surface, wherein the bottom surface comprises at least one punch insert sized and shaped to remove a roll pin from a corresponding bore hole in a firearm and wherein the bottom surface also includes at least one punch pin configured to releasably hold a first end of a roll pin; a lower plate defined by a top surface and a bottom surface, wherein the top surface includes a channel that passes through the lower plate, wherein the channel is aligned with the punch insert when the plates are aligned with the upper plate lower face and the lower plate top face in direct contact with each other; wherein the top face of the lower plate includes at least one indentation sized and shaped to house the at least one punch pin when the upper and lower plates are aligned in direct contact with each other; and wherein upper plate and lower plate are parallel and configured to advance towards each other and away from each other on demand.

Google Patents

https://patents.google.com/patent/US12760991

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12760991

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