Jun 24, 2025

US12339109 - Bullet feeder device

An improved bullet feeder and seating die device for progressively inserting bullets into mouths of cartridge casings is disclosed. The bullet feeder device includes a seating die having a main die body having a threaded portion and a clearance cut and a passageway extending through the threaded portion to a bore of the main die body. A die lock having a threaded inner surface is provided to receive the threaded portion of the main die body. The die lock has a clearance slot alignable with the clearance cut in the main die body. A feed assembly is provided to sequentially supply bullets to the seating die and a activation assembly is provided to operate the feed assembly. A mounting assembly is provided to hold the seating die, feed assembly and a activation assembly together.

bullet feederammunitionseating die

The patent describes an advanced bullet feeder and seating die device designed to efficiently insert bullets into cartridge casings, featuring a main die body with a threaded portion and a clearance cut. It includes a feed assembly for sequential bullet supply and an activation assembly to operate the feeding mechanism, all held together by a mounting assembly.

Claim 1

  1. A bullet feeder and seating device for seating a bullet in a mouth of a cartridge casing, the bullet feeder device comprising: a seating die including a main die body having a smooth outer surface and a threaded outer surface and defining an inner bore, said main die body defining a clearance cut extending through said smooth outer surface and said threaded outer surface to said inner bore, said main die body defining a passageway extending through said smooth outer surface and said threaded outer surface to said inner bore, and an inner die assembly having a pivotal bullet pusher; a die lock having a threaded inner surface engageable with said threaded outer surface of said main die body, said die lock defining a clearance slot alignable with said clearance cut in said main die body; an activation sleeve movably mounted within said main die body and defining an inner bore; a mounting assembly including a main body holder defining a channel, said seating die being removably attached to said main body holder; an actuator having a rectangular portion and a triangular portion extending from said rectangular portion and a drive shaft extending upward from said rectangular portion, said rectangular portion being slidably mounted within said channel of said main body holder; a first indexing block mounted on said main body holder and defining a drop hole and a shaft hole; a second indexing block pivotally mounted on said first indexing block and defining a feed hole and a cam surface on an underside of said second indexing block; and a feed tube mounted above said second indexing block. a seating die including a main die body having a smooth outer surface and a threaded outer surface and defining an inner bore, said main die body defining a clearance cut extending through said smooth outer surface and said threaded outer surface to said inner bore, said main die body defining a passageway extending through said smooth outer surface and said threaded outer surface to said inner bore, and an inner die assembly having a pivotal bullet pusher; a die lock having a threaded inner surface engageable with said threaded outer surface of said main die body, said die lock defining a clearance slot alignable with said clearance cut in said main die body; an activation sleeve movably mounted within said main die body and defining an inner bore; a mounting assembly including a main body holder defining a channel, said seating die being removably attached to said main body holder; an actuator having a rectangular portion and a triangular portion extending from said rectangular portion and a drive shaft extending upward from said rectangular portion, said rectangular portion being slidably mounted within said channel of said main body holder; a first indexing block mounted on said main body holder and defining a drop hole and a shaft hole; a second indexing block pivotally mounted on said first indexing block and defining a feed hole and a cam surface on an underside of said second indexing block; and a feed tube mounted above said second indexing block.

Google Patents

https://patents.google.com/patent/US12339109

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12339109

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