Ordnance – Cartridge feeding – With magazine
Patent
1979-10-24
1981-09-01
Bentley, Stephen C.
Ordnance
Cartridge feeding
With magazine
42 18, 42 50, F41D 1020
Patent
active
042864992
ABSTRACT:
Cross axis shell feeding apparatus for firearms comprises symmetrical shell pivoting or turnaround means having an internal pivoting chamber configured for receiving, and pivoting through 90.degree., shells from an associated linear shell magazine in which the shells are loaded in either cross axis direction. The shell pivoting chamber, formed having shell engaging, or camming surfaces which cam the shells through 90.degree. of rotation, is shown configured for pivoting tapered casing, rifle-type shells. Shells are pushed forwardly through the shell pivoting means by first and second stage rammers mounted to reciprocate with the firearm bolt assembly. To prevent jamming of shells being pivoted 90.degree. in the shell pivoting means, shell engaging portions of the first stage rammer swing aside after a shell has been pivoted from an initial cross axis orientation through approximately 75.degree.. At that point, the second stage rammer drivingly engages the shell base, causing continued shell pivoting through 90.degree. and pushing the shell on through the shell pivoting means. The bolt assembly is configured for them pushing the shell into the firing chamber and firing the shell. The associated shell magazine, which is enabled to be straight because of alternatingly pointing shells, is detachably mounted along flat upper regions of the firearm and has a longitudinal axis parallel to the barrel bore axis.
REFERENCES:
patent: 789142 (1905-05-01), Chichester
patent: 1451339 (1923-04-01), Kottas
patent: 2041015 (1936-05-01), Onorati
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patent: 2882635 (1959-04-01), Hill
patent: 3064382 (1962-11-01), Hill
patent: 3167876 (1965-02-01), Milroy, Jr.
Bentley Stephen C.
Fowler Allan R.
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