Magazine assembly with magnetically activated tacticle indicator

Patent metadata

Field	Value
Publication number	US-9784511-B2
Application number	US-201615190475-A
Country	US
Kind code	B2
Filing date	Jun 23, 2016
Priority date	Jun 30, 2015
Publication date	Oct 10, 2017
Grant date	Oct 10, 2017

Abstract

A magazine assembly having an elongated housing with a channel dimensioned to contain a plurality of stacked ammunitions between a first and second end of the housing. A spring loaded follower is mounted within the housing channel and is adapted to abut against one end of the stacked ammunition adjacent the second end of the housing and urge the stacked ammunition towards the first end of the housing. A tactile indicator assembly is mounted to the housing which cooperates with the follower to indicate the position of the follower between the ends of the housing and thus the amount of ammunition remaining in the magazine.

First claim

The invention claimed is:

1. A magazine assembly with magnetically activated tactile indictors comprising:
an elongated housing having a channel dimensioned to contain a plurality of stacked ammunition between a first and a second end of said housing,
a spring loaded follower having a magnetic feature mounted in said housing and adapted to abut against one end of the stacked ammunition adjacent said second end of said housing and urge the stacked ammunition toward said first end of said housing,
a tactile indicator assembly having a magnetic feature mounted to said housing, said tactile indicator magnetically cooperating with said follower to indicate the position of said follower between said first and second ends of said housing.

2. The magazine assembly as defined in claim 1 wherein said tactile indicator assembly comprises a plurality of tactile indicators hingedly affixed to said housing, at longitudinally spaced intervals between said first and second ends of said housing, said tactile indicators being movable between an extended and a retracted position, a living hinge which urges said tacticle indicators to said retracted position, and wherein said follower magnetically moves said tacticle indicators via magnetic repulsion to said extended position when said magnetic follower is aligned with said tactile indicators.

3. The magazine assembly as defined in claim 2 wherein said living hinge further comprises a resilient hinge portion associated with each tactile indicator in order to urge its associated tactile indicator toward a retracted position when not being repelled by said follower.

4. The magazine assembly as defined in claim 3 wherein said living hinge is integrally formed from the same material as the tactile indicators.

5. The magazine assembly as defined in claim 1 wherein said tactile indicator magnetic feature further comprises a magnet.

6. The magazine assembly as defined in claim 5 wherein said magnet is a ceramic ferrite magnet.

7. The magazine assembly as defined in claim 5 wherein said magnet is an alnico magnet.

8. The magazine assembly as defined in claim 5 wherein said magnet is a neodymium magnet.

9. The magazine assembly as defined in claim 5 wherein said magnet is a samarium cobalt magnet.

10. The magazine assembly as defined in claim 1 wherein said magnetic feature of said follower is a magnet.

Assignees

• Us Army Res Lab
• Us Army

Inventors

• Faughn Jim A

Classifications

• F41A9/62 Primary

  having means for indicating the number of cartridges left in the magazine, e.g. last-round indicators (last-round safeties F41A17/40) · CPC title