Ordnance – Mounts – With recoil check
Reexamination Certificate
1999-08-11
2001-06-26
Johnson, Stephen M. (Department: 3641)
Ordnance
Mounts
With recoil check
C089S198000, C042S075020
Reexamination Certificate
active
06250198
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to firearm technology and, more particularly, to a releasable mount, which when loosened allows for spherical adjustment of the barrel of a spotting rifle and, which when tightened, firmly maintains the desired barrel orientation.
2. Description Of the Prior Art
Spotting rifles have means for adjusting the orientation of the barrel of the rifle so as to accurately position the barrel to bring to bear the fire power thereof onto a target. For such adjustment, the barrel needs to be allowed to pivot relative to the rifle, more particularly, relative to the receiver portion of the spotting rifle.
Spotting rifles are also used in conjunction with other firearms, such as a rocket launcher. In such applications, the rifle receiver is rigidly connected to the launch tube of the rocket launcher. Using the weapon is as follows: tracer rounds are fired from the spotting rifle until the gunner, controlling the rocket launcher, feels that he is accurately hitting the target. At this point, the gunner switches the weapon to launch mode and fires the rocket. The rocket and the spotting rounds have the same trajectory allowing the rocket launcher to hit the same target as the tracers.
Prior art spotting rifles used in conjunction with rocket launchers have allowed the barrel to pivot relative to the receiver portion of the spotting rifle, but did so without firmly securing the barrel to the receiver portion of the spotting rifle. Because the barrel was not firmly mounted, the barrel would “jump” when the spotting rifle was fired causing a large group, that is, scattering of bullets, onto the target. The prior art spotting rifles secured the barrel to the receiver portion by using set screws to improve the accuracy of the rifle and, thus, the rocket launcher, but it was determined that the set screws would back out of their capturing holes from the vibration caused by the firing of the spotting rifle and the rocket launcher. In addition, analysis was performed that showed high levels of stress were being encountered at the barrel/set screw interface which caused the loosening of the set screws from their capturing holes. It is desired that a releasable mount be provided which when loosened allows for the adjustment of the orientation of the barrel and, which when tightened, firmly maintains the orientation of the barrel during firing of the spotting rifle and the rocket launcher.
SUMMARY OF THE INVENTION
Accordingly, it is a primary object of the present invention to provide for mounting means such, when loosened, allows for the adjustment of a barrel of spotting rifle, and when tightened, maintains the desired orientation of the barrel, while at the same time absorbs high stress that normally occurs during the firing of the spotting rifle and also during the firing of the associated rocket launcher.
It is another object of the present invention to provide for mounting means that allows for spherical adjustment for the barrel of the spotting rifle so that the spotting rifle may be more effectively used with a rocket launcher.
It is yet another object of the present invention to provide for an adjustable means for the mounting of a barrel that has shock absorbing capabilities so as to maintain the desired orientation of the barrel of the spotting rifle.
It is a further object of the present invention to provide for adjustable mounting means that can be tightened and pinned to the receiver portion of the spotting rifle.
In accordance with these and other objects, the invention provides a firearm comprising a barrel, a receiver portion, a mount, and shock absorbing means. The barrel has first and second ends and serves as a discharge tube for the firearm. The receiver portion of the firearm has means for receiving and holding the second end of the barrel. The mount has means for releasably connecting to the receiver portion. The shock absorbing means is lodged in the mount and interposed between the barrel and the mount.
REFERENCES:
patent: 3208178 (1965-09-01), Seiderman
patent: 3783738 (1974-01-01), Pelat
patent: 3877167 (1975-04-01), Keppler
patent: 5613308 (1997-03-01), Little
patent: 5655632 (1997-08-01), Valembois
patent: 704640 (1941-04-01), None
patent: 373517 (1939-11-01), None
patent: 86389 (1955-10-01), None
Canaday Michael M.
Vendetti Vincent J.
Bechtel, Esq. James B.
Johnson Stephen M.
McMahon, Esq. John P.
The United States of America as represented by the Secretary of
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