Length-variable magazine

Details Length-variable magazine Length-variable magazine

1990-07-13

1992-05-19

Jordan, Charles T.

Firearms

Breech loading

Magazines

F41A 971

Patent

active

051136058

ABSTRACT:
A length-variable magazine which includes upper and lower magazine members having straight configuration for slidably coupling together with each other so as to be slidably extended or contracted, the upper magazine member being provided with a pair of flat springs having ball projections disposed thereon and a pair of projecting members on the opposite sides thereof, the lower magazine member being provided with through-holes and guide grooves disposed on the opposite sides thereof, a cartridge pad and an upper spring installed in the upper magazine member, an intermediate pad, a lower spring, and a lower pad installed in the lower magazine member in the cited order, whereby when the upper magazine member is inserted into the lower magazine member, the projecting members are coupled with the guide grooves so as to be extended or contracted relatively each other, and when the ball projections are coupled with the through-holes the length-variable magazine is slidably extended or contracted.

REFERENCES:
patent: 1044983 (1912-11-01), Brown
patent: 3443334 (1969-05-01), Ardolino
patent: 4472900 (1984-09-01), Howard
patent: 4688344 (1987-08-01), Kim

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