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United States Patent | 7,380,488 |
Mao , et al. | June 3, 2008 |
A firing adapter for a combination gas and recoil operated weapon includes a blank firing barrel attached to the weapon; a piston having a barrel end and an anchor end, the barrel end being reciprocably disposed in the blank firing barrel and the anchor end being fixed to a non-recoil surface; and a gas port formed in the blank firing barrel wherein in a rest position of the weapon, the barrel end of the piston closes the gas port, and in a recoil position of the weapon, the barrel end of the piston opens the gas port.
Inventors: | Mao; David C. C. (Rockaway, NJ), Dindl; Frank (Newton, NJ) |
---|---|
Assignee: |
The United States of America as represented by the Secretary of the Army
(Washington,
DC)
|
Family ID: | 39466343 |
Appl. No.: | 11/164,933 |
Filed: | December 12, 2005 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
60593144 | Dec 15, 2004 | ||||
Current U.S. Class: | 89/193; 42/77; 89/14.5; 89/29 |
Current CPC Class: | F41A 5/18 (20130101); F41A 21/26 (20130101) |
Current International Class: | F41A 21/26 (20060101); F41A 5/18 (20060101) |
Field of Search: | ;89/191.01,191.02,1.701,1.702,14.3,29,31,14.5,193 ;42/1.06,77 |
2330210 | September 1943 | Garand |
4104953 | August 1978 | Bard et al. |
4261246 | April 1981 | Skahill |
4404765 | September 1983 | Reudelsterz et al. |
5983772 | November 1999 | Reynolds et al. |
6026728 | February 2000 | Guhring et al. |
6412390 | July 2002 | Dindl |
6848208 | February 2005 | Kirschner |
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