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US 4,955,157 AGranted
Small caliber ammo conversion kit
OwnerRich W. Brighton, Paul Safrinventors
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OwnerRich W. Brighton, Paul Safrinventors
Estimating the term…
This relates to an inexpensive conversion kit for handguns wherein inexpensive small caliber shells may be fired from a large caliber handgun. The kit includes a special adapter shell which is formed of two separable housing members into which there is inserted a small caliber shell, for example a .22 caliber shell. This shell will generally be of the rim firing type, whereas the larger caliber shell of the handgun is normally of the center firing type. Accordingly, the adapter shell will also include a special rim firing, firing pin which will be activated by the conventional firing pin of the handgun. The kit further includes a special barrel which is readily mounted in the handgun as a replacement barrel and which has a breech for receiving only the adapter shell. The converted handgun will operate in the normal manner.
A conversion kit for converting a large caliber gun to fire smaller caliber ammo, said kit comprising an adapter barrel for replacing an original barrel of the larger caliber gun and at least one separate small caliber shell adapter for carrying small caliber ammo, said barrel having a small caliber bore terminating in a rear breech for receiving the small caliber shell adapter carrying a small caliber ammo whereby the small caliber shell adapter is insertable and removable from said breech, and there being between said breech and said small caliber bore chambering for preventing chambering of originally intended large caliber ammo.
An adapter barrel for using small caliber ammo in a larger caliber gun, said barrel having a small caliber bore terminating in a rear breech for receiving a small caliber shell adapter which carries small caliber ammo encased within the shell adapter, and there being between said breech and said small caliber bore chambering for preventing chambering of originally intended ammo.
A shell adapter for using small caliber ammo in a larger caliber gun, said shell adapter including first and second housing members, said first housing member having a bore for receiving small caliber ammo of the type having a rim with such rim limiting entry of the rim into said first housing member, said second housing member having a bore of a size to receive the rim of the small caliber ammo rim, said first housing member having an end portion of a size to be received in said second housing member bore in telescoped relation, a firing pin seated in said second housing member bore for engaging small caliber ammo encased within said shell adapter to effect firing of such ammo, and sealing means carried by an exterior of said first housing member for forming a gas tight seal with a barrel bore.
Dependencies are inferred from the claim text.