Back to results
US 11,112,194 B2Granted
Firearm lock
OwnerJames Matthew Underwood, Larry Cullen Underwoodinventors
Life of this patent
Estimating the term…
Abstract
A firearm loader may be used to transfer at least one cartridge to a firearm. The loader includes a main body comprising a proximal end and a distal end and a follower disposed inside the main body. The loader may include an engaged configuration wherein the loader is at least partially inserted into a firearm. The proximal end may include an opening. In the engaged configuration, the opening approximately faces a magazine of the firearm.
Claims21
A magazine lock assembly for a firearm, the magazine lock assembly comprising:
- a magazine catch comprising a unitary component having a first end with a protrusion for engaging a magazine and a second end with threads;
- a spacer comprising a cavity;
- and
- a lock member comprising a shaft, a head, and a hole extending through the head, wherein:
- the shaft of the lock member is at least partially disposed within the cavity of the spacer;
- in a permanently installed configuration, the magazine lock assembly permanently fixes the magazine to the firearm;
- the lock member and the magazine catch are attached to one another by rotating the head of the lock member;
- the shaft of the lock member comprises a necked down region such that the shaft is configured to shear apart at the necked down region;
- in the permanently installed configuration, the head and a portion of the shaft separate from the magazine lock assembly at the necked down region;
- and
- the hole through the head comprises a diameter smaller than a diameter of a hollow portion of the lock member and the hole extends through a full length of the lock member.
8 more elements
A firearm comprising:
- a magazine lock assembly, the magazine lock assembly comprises:
- a magazine catch comprising a protrusion for engaging a magazine;
- a spacer comprising a cavity;
- a lock member comprising a shaft, a head, and a hole extending through the head;
- an uninstalled configuration;
- and
- a permanently installed configuration, wherein:
- in the permanently installed configuration, the magazine lock assembly permanently fixes the magazine to the firearm;
- the lock member and the magazine catch are attached to one another by rotating the head of the lock member;
- the shaft of the lock member comprises a necked down region such that the shaft is configured to shear apart at the necked down region;
- in the permanently installed configuration, the head and a portion of the shaft separate from the magazine lock assembly at the necked down region;
- and
- the hole through the head comprises a diameter smaller than a diameter of a hollow portion of the lock member and the hole extends through a full length of the lock member.
10 more elements
A method of installing a magazine lock assembly in a firearm, the method comprising:
- inserting a magazine catch into a first side of a firearm wherein the magazine catch comprises a first end with a protrusion for engaging a magazine and a second end with threads;
- inserting a spacer comprising a cavity into the second side of the firearm;
- inserting a lock member into a second side of the firearm wherein the lock member comprises a shaft, a head, and a hole extending through the head;
- and
- attaching the lock member and the magazine catch to one another by rotating the head of the lock member, wherein:
- a portion of at least one selected from the group of the magazine catch and the shaft is disposed within the cavity of the spacer;
- attachment between the lock member and the magazine catch includes bottoming out the shaft of the lock member in a static configuration within the cavity of the spacer;
- the magazine lock assembly permanently fixes the magazine to the firearm;
- the shaft of the lock member comprises a necked down region such that the shaft is configured to shear apart at the necked down region;
- in the permanently installed configuration, the head and a portion of the shaft separate from the magazine lock assembly at the necked down region;
- and
- the hole through the head comprises a diameter smaller than a diameter of a hollow portion of the lock member and the hole extends through a full length of the lock member.
9 more elements
Dependencies are inferred from the claim text.