Firearms with rechargeable magazine

Details Firearms with rechargeable magazine Firearms with rechargeable magazine

1982-03-15

1983-06-14

Jordan, Charles T.

Firearms

Breech loading

Sliding breechblock

42 25, 42 69A, F41C 2502, F41C 1500, F41C 1100, F41C 1900

Patent

active

043875246

DESCRIPTION:

BRIEF SUMMARY
This invention relates to firearms, and in particular to a magazine for a firearm, especially one employing a rimmed round of ammunition.
Conventional practice is to provide a disposable magazine so that when one magazine is exhausted it is removed and replaced by a fresh magazine, already loaded with fresh ammunition. Unless he throws away a magazine which is only partially exhausted, the user may therefore run out of ammunition and be obliged to change magazines at an extremely inconvenient moment. Normally there has been no possibility of re-charging a partially exhausted magazine without disengaging the magazine from the firearm. Where the firearm is for large calibre ammunition, this problem can be particularly acute because considerations of bulk prevent the use of a magazine capable of holding more than a few rounds.
In a conventional magazine in which rimmed rounds of ammunition are stacked one upon another, it is normally necessary that the rounds are stacked with the rims of rounds remote from the breech behind the rims of all rounds nearer to the breech, in order that upward and forward feeding of each round into a firing position is not hindered by interaction of the rims. This has generally prevented prior art magazines from having the facility for re-loading without removing the magazine from the firearm, although in one case known to the Applicant additional rounds could be loaded without removal of the magazine by use of a specially designed clip in which extra rounds were carried. The need for the special clip was, however, inconvenient, and this prior art arrangement was hence less than ideal.
An advantageous feature of the present invention is that it makes possible the provision of a magazine which can be re-loaded at any time with any number of rounds of ammunition up to its maximum capacity, without the necessity for removal of the magazine from the firearm, or for the use of any separate tool or device.
According to the present invention, there is provided a firearm including a body and having a magazine in which one or more rimmed rounds of ammunition may be stacked each in contact with an adjacent round;
resilient magazine bias means; a breech opening through which a round of ammunition may be inserted into the magazine, the breech opening defining transverse guide means through which a round can be inserted in a direction transversely of the barrel axis against the action of the magazine bias means, and restraining means which are effective on subsequent forward movement of the inserted round to restrain the round in the breech against the action of the magazine bias means;
a catch which can assume a locking position in which it prevents return of a round forwardly located in the breech to a position in which it can re-enter the transverse guide means;
further guide means by which a round in the breech can be guided in a direction transversely of the barrel axis and rearwardly into the magazine against the magazine bias means on insertion of a further round into the breech;
the catch being effective to keep separate the rims of one round and a subsequently inserted round during the insertion of the subsequently inserted round, whereby the subsequently inserted round when engaged in the breech has its rim forward of the rim of the said one round.
Conveniently the catch is pivotally mounted in the body and resiliently biased towards the locking position, the arrangement being such that on insertion of the round through the transverse guide means the catch is depressed against a resilient bias by contact with the round, and on forward movement of the inserted round the catch can spring back under its resilient bias to prevent rearward movement of the round to a position in which it can re-enter the transverse guide means.
Preferably the catch when depressed bears upon any round which is already present in the breech to keep the rim thereof separate from the rim of a subsequently-inserted round.
Normally the firearm comprises a breech block which can move forwardly to positively lock

REFERENCES:
patent: 2908097 (1959-10-01), Allyn

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