Firearms – Barrels – Auxiliary
Patent
1990-11-06
1992-09-22
Carone, Michael J.
Firearms
Barrels
Auxiliary
411436, F41A 2110
Patent
active
051486202
ABSTRACT:
The shotshell size adapter fits into the breech of a shot gun, gas gun, grenade launcher or other gun and enables the gun to accept various sizes of shotshells and/or cartridges. The adapter includes a cylindrical mainbody which is inserted into the breech bore and a barrel which extends forwardly thereof into the gun barrel bore. The adapter barrel is releasably connected to the main body of the adapter by threads, preferably with rectangular, non-stripping lands and grooves, or by a turn wing and slot arrangement. Preferably, the front portion of the main body bore is recessed so that when the barrel is in place in the main body the bores of the main body and barrel abut each other and are concentric and of the same diameter. Alternatively, the barrel bore can be tapered to act as a shot choke. The rear end of the main body has an annular groove concentric with the main body bore and spaced outwardly therefrom to provide a finger space for lifting a shotshell or cartridge case from the main body bore.
REFERENCES:
patent: 252241 (1882-01-01), Morris
patent: 2641860 (1949-10-01), Dial
patent: 2786415 (1951-06-01), Alderson
patent: 3196569 (1964-06-01), Thomason
patent: 3339394 (1967-09-01), Knode, Jr. et al.
patent: 3384989 (1966-07-01), Thomas
patent: 3997995 (1976-12-01), Hicks et al.
patent: 4126954 (1978-11-01), Plummer
patent: 4404765 (1983-09-01), Reudelsterz et al.
patent: 4648192 (1987-03-01), Harness
Carone Michael J.
Posta Jr. John J.
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