GunClaims
Weekly firearms and ammunition patent grants.
Dec 30, 2025

US12510329 - Rotor housing for minigun

An assembly for quickly attaching and detaching the guide bar to and from the rotor housing of a minigun is provided. The assembly comprises a guide bar and a rotor housing. The guide bar includes a front end having a pinhole extending through the front end and a rear end having a locking cam. The rotor housing includes a recessed channel configured to receive the locking cam and a spring-loaded lock pin assembly configured to secure the front end of the guide bar. The guide bar is secured to the rotor housing when the locking cam is inserted into the recessed channel and the spring-loaded lock pin assembly secures the front end of the guide bar. The assembly allows the guide bar to quickly be attached and detached from the rotor housing without the need for tools. The rotor housing may be designed without a yoke to reduce weight.

minigunfirearmguidebarrotorhousing

The patent describes an assembly for a minigun that allows for the quick attachment and detachment of a guide bar to its rotor housing without the need for tools. This design includes a locking cam and a spring-loaded lock pin assembly to secure the guide bar, while also aiming to reduce the overall weight by eliminating the yoke from the rotor housing.

Claim 1

1 . A guide bar for attaching and detaching to a rotor housing of a minigun having barrels at a front end, a lock pin proximate to the front end of the rotor housing, and a recessed channel distal to the front end of the rotor housing, the guide bar comprising: a guide bar body extending along a longitudinal axis from a guide bar front end to a guide bar rear end, with a cartridge guiding portion therebetween; the guide bar rear end including a transversely extending shaft having a locking cam at one end thereof, the locking cam configured to be received in the recessed channel; and the guide bar front end including a pinhole configured to receive the lock pin; wherein the guide bar is secured to the rotor housing when the locking cam is received in the recessed channel and the lock pin is received in the pinhole. a guide bar body extending along a longitudinal axis from a guide bar front end to a guide bar rear end, with a cartridge guiding portion therebetween; the guide bar rear end including a transversely extending shaft having a locking cam at one end thereof, the locking cam configured to be received in the recessed channel; and the guide bar front end including a pinhole configured to receive the lock pin; wherein the guide bar is secured to the rotor housing when the locking cam is received in the recessed channel and the lock pin is received in the pinhole.

Google Patents

https://patents.google.com/patent/US12510329

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12510329