Firearm adapter for am180 .22 caliber cartridge drums

a technology for cartridge drums and firearms, applied in the field of firearms, can solve the problem of no .22 caliber drum adapters availabl

Inactive Publication Date: 2010-04-08
HARRIS DAVID JOE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010]In yet another aspect of the present invention, method of providing a cartridge from a drum to a firearm, includes: providing a plate having an aperture, a first retaining member, and a slidable second retaining member; retaining a first extension of the drum with the fir

Problems solved by technology

There are currently no available .22 caliber drum adapters that adapt the AM180 drum to non-AM180 firearms.

Method used

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  • Firearm adapter for am180 .22 caliber cartridge drums
  • Firearm adapter for am180 .22 caliber cartridge drums
  • Firearm adapter for am180 .22 caliber cartridge drums

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Embodiment Construction

[0021]The following detailed description is of the best currently contemplated modes of carrying out exemplary embodiments of the invention. The description is not to be taken in a limiting sense, but is made merely for the purpose of illustrating the general principles of the invention, since the scope of the invention is best defined by the appended claims.

[0022]Various inventive features are described below that can each be used independently of one another or in combination with other features.

[0023]Broadly, an embodiment of the present invention generally provides a drum adapter to adapt various firearm magazines to utilize a drum magazine. An embodiment may allow the AM180 .22 caliber cartridge drum to be utilized by firearms designed to utilize only low capacity feeding devices. Alternate embodiments may allow other high capacity cartridge drums to be utilized by firearms designed to utilize only low capacity feeding devices.

[0024]An embodiment of the present invention includ...

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Abstract

A firearm adapter for AM180 .22 caliber cartridge drums includes: a tower adapted to engage with a cartridge-receiving mechanism of the firearm; a plate having a first surface to releasably engage with and retain the cartridge drum in a plane generally parallel to the plate, and a second surface to engage with and retain the tower in an orientation at a substantial angle to the plane of the plate; and an aperture in the plate that aligns with a feeding aperture in the drum and the tower so as to transport the cartridge from the drum to the tower.

Description

RELATED APPLICATIONS[0001]The present application claims benefit of priority from U.S. Provisional Application No. 61 / 102,114, filed Oct. 2, 2008, which is incorporated herein by reference in its entirety, and U.S. Provisional Application No. 61 / 105,222, filed Oct. 14, 2008, which is incorporated herein by reference in its entirety.BACKGROUND OF THE INVENTION[0002]The present invention generally relates to firearms, and more specifically, to a firearm cartridge drum adapter.[0003]The American 180 (AM180) is a firearm that fires .22 long rifle cartridges from a drum (the AM180 drum), also called a pan magazine. Opposite sides of the base of the AM180 drum have extensions, which are inserted into magazine guides on the AM180, so that the AM180 generally holds the drum on top of the barrel, parallel to its barrel (e.g. horizontally) , with the cartridges feeding in a gravitational (downward) manner.[0004]The AM180 drum utilizes an external winding mechanism, which includes a spring tha...

Claims

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Application Information

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IPC IPC(8): F41A9/73
CPCF41A9/73F41A9/55
InventorHARRIS, DAVID JOEPRESLEY, ARNOLD R.
OwnerHARRIS DAVID JOE