IP Library › Granted Patent US 11,988,476
Granted Patent B2
US 11,988,476 · App. 17/590,708 · Granted May 21, 2024

Expansion chamber assembly and a method of manufacturing the same

Inventor: Paul T. Noonan (Boise, ID)
Assignee: F.M. Products Inc
F41A21/30F41A21/28
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Quick Facts
Patent No.
US 11,988,476
App. No.
17/590,708
Granted
May 21, 2024
Kind
B2
Abstract

A expansion chamber assembly for a firearm is disclosed. The expansion chamber contains an outer tube containing a front end and a rear end, a front cap coupled with the outer tube at the front end, a rear cap coupled with the outer tube at the rear end, an inner tube retained within the outer tube by the front cap and the rear cap, wherein the inner cap contains one or more through apertures to allow expanding gasses to move from the inner tube into the outer tube, and one or more exit apertures to allow expensing gases to exit the expansion chamber assembly.

Claims (9)

1. A expansion chamber assembly for a firearm, the expansion chamber assembly comprising:

an outer tube comprising a front end and a rear end;

a front cap coupled with the outer tube at the front end;

a rear cap coupled with the outer tube at the rear end; and

an inner tube retained within the outer tube by the front cap and the rear cap, wherein the inner tube comprises one or more through apertures to allow a portion of expanding gasses to move from the inner tube into the outer tube;

wherein the portion of expanding gases move from the inner tube into the outer tube through the one or more through apertures;

wherein the portion of expanding gasses move from the outer tube to outside the expansion chamber assembly directly through one or more exit apertures located in the rear cap.

2. The expansion chamber assembly of claim 1 further comprising a sound absorbing materials positioned between the inner tube and the outer tube.

3. The expansion chamber assembly of claim 1 , wherein the rear cap comprises an inner thread configured to engage an outer thread of a barrel.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 1, 2022
From: NOONAN, PAUL T.
To: F.M. PRODUCTS INC
Reel/Frame 058851/0632 →
Continuity (3)
Continuation 15987833 · May 23, 2018
Provisional Application 62510707 · May 24, 2017
Related Publication 20230003478A1 · Jan 5, 2023