Firearm magazine
DCFirst Claim
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1. A magazine for a firearm comprising:
- a cavity sized to receive a plurality of cartridges each of which includes a bullet coupled to a case having a shoulder, the cavity including opposing walls that contact opposite sides of the shoulder of each cartridge to prevent the bullets from moving forward longitudinally and contacting a front wall of the magazine;
a movable member positioned in the cavity, the movable member being configured to rotate and push the plurality of cartridges out of the cavity, the movable member having a total range of motion that is no more than 180 degrees;
wherein the magazine is a rotary magazine; and
wherein the magazine is configured to be inserted upward into an underside of the firearm.
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Abstract
A magazine for a firearm may include a cavity that is shaped to prevent the tip of the bullets in the cartridges from contacting the magazine when the firearm recoils. The magazine may also be configured so that the cartridges in the magazine exit the cavity at least approximately in the center of the magazine. The magazine may be configured to include a biasing mechanism that pushes the cartridges upward in the cavity. The biasing mechanism may be configured to allow the magazine to be compact, simple, and reliable.
69 Citations
32 Claims
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1. A magazine for a firearm comprising:
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a cavity sized to receive a plurality of cartridges each of which includes a bullet coupled to a case having a shoulder, the cavity including opposing walls that contact opposite sides of the shoulder of each cartridge to prevent the bullets from moving forward longitudinally and contacting a front wall of the magazine; a movable member positioned in the cavity, the movable member being configured to rotate and push the plurality of cartridges out of the cavity, the movable member having a total range of motion that is no more than 180 degrees; wherein the magazine is a rotary magazine; and wherein the magazine is configured to be inserted upward into an underside of the firearm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A magazine for a firearm comprising:
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a cavity sized to receive a plurality of cartridges; retaining edges that prevent the plurality of cartridges from coming out the top of the cavity when the magazine is separate from the firearm; and a movable member positioned in the cavity, the movable member being configured to rotate and push the plurality of cartridges out of the cavity; wherein the movable member has a total range of motion that is no more than 180 degrees; wherein the magazine is configured so that the plurality of cartridges exit the cavity in the center of the magazine; and wherein the magazine is configured to be inserted upward into an underside of the firearm. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A magazine for a firearm comprising:
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a cavity sized to receive a plurality of cartridges; and a movable member positioned in the cavity, the movable member being configured to rotate and push the plurality of cartridges out of the cavity; wherein the movable member has a total range of motion that is no more than 180 degrees; and wherein the movable member rotates about an axis that is offset to the side of a center line extending vertically though the center of the magazine. - View Dependent Claims (21, 22, 23, 24, 25)
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26. A magazine for a firearm comprising:
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a cavity sized to receive a plurality of cartridges; a movable member positioned in the cavity, the movable member being configured to rotate and push the plurality of cartridges out of the cavity; wherein all of the plurality of cartridges are positioned so that each preceding cartridge is above the next succeeding cartridge when the magazine is fully loaded; and wherein the movable member rotates about an axis that is offset to the side of a center line extending vertically though the center of the magazine. - View Dependent Claims (27, 28, 29, 30)
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31. A magazine for a firearm comprising:
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a cavity sized to receive a plurality of cartridges; and a movable member positioned in the cavity, the movable member being configured to rotate no more than 180 degrees when the cavity is fully loaded, the movable member configured to push the plurality of cartridges out of the cavity; wherein the movable member rotates about an axis that is offset to the side of a center line extending vertically though the center of the magazine. - View Dependent Claims (32)
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Specification