The proper operation of a military firearm is of critical importance in combat situations. Unfortunately, a variety of firearm malfunctions can occur that render the firearm useless until repairs can be performed, and these repairs typically include the use of proper tools.
In view of the importance of performing necessary repairs on an inoperative firearm, it would be beneficial to have ready and useful access to proper tools suitable for correcting firearm malfunctions.
Disclosed is a tool for a firearm comprising a member including a curved edge forming a comparison template adapted for comparison with feed slot elements of an ammunition magazine suitable for use with the firearm, for determining curvature corrections needed for the feed slot elements. The member may include an indicator mark for positioning a magazine during a comparison with the template. The curved edge may form a comparison template for more than one type of magazine.
According to one embodiment, an apparatus for measuring the curvature of feed slot elements of an ammunition magazine or cartridge comprises a substantially rigid member having a curved edge formed therein and at least one indicia on the rigid member identifying a specific point on the curved edge associated with correct curvature of the feed slot elements of a first ammunition magazine. In other embodiments, a second indicia on the rigid member identifies a specific point on the curved edge associated with correct curvature of the feed slot elements of a second ammunition magazine.
According to another embodiment, a method for measuring the curvature of feed slot elements of an ammunition magazine or cartridge comprises: providing a substantially rigid member having a curved edge formed therein, the curved edge having at least one indicia on the rigid member identifying a specific point on the curved edge associated with correct curvature of the feed slot elements of a first ammunition magazine; aligning a feed slot element of the first ammunition magazine with the indicia on the curved edge of the substantially rigid member; and determining if a curvature profile of the feed slot element substantially complies with a radius of curvature of the curved edge. In other embodiments, the method further comprises modifying the curvature profile of the feed slot element to substantially comply with the radius of curvature of the curved edge and determining if the modified curvature profile of the feed slot element substantially complies with the radius of curvature of the curved edge.
The present invention is illustratively shown and described in reference to the accompanying drawing in which:
Combat firearms suffer from various types of malfunctions which can render the firearm inoperative. One such malfunction is the bending of feed lips on ammunition magazines. The present invention provides a tool which may be used to determine if such magazine feed lips are in need of adjustment to assure proper functioning of the firearm
Curved edge 14b may include one or more indicia 36 and 37 to aid with the measurement of magazine feed lip curvature. Indicia 36 and 37 represent different magazines for which tool 14 may be used for assessing curvature. Typically, indicia 36 and 37 would represent the end of feed lip 32 for a particular type of magazine. In the event that lip 32 is in need of adjustment, any suitable tool may be used to engage lip 32, such as slot 16 integrally formed into multitool 10, to apply bending force. As illustrated in
In use, the lip 32 of magazine 30 is aligned with the indicia 36 or 37 on the curved edge 14b of tool 14 to determine if the curvature profile of the feed slot element substantially complies with a radius of curvature of the curved edge. If not, lip 32 of magazine 30 may be modified or bent and re-measured, as necessary.
The present invention is illustratively described above in reference to the disclosed embodiments. Various modifications and changes may be made to the disclosed embodiments by persons skilled in the art without departing from the scope of the present invention as defined in the appended claims.
This application claims priority to U.S. Provisional Application Ser. No. 61/144,697 filed Jan. 14, 2009 and entitled FIREARM TOOL, which is incorporated by reference herein in its entirety for all purposes.
Number | Name | Date | Kind |
---|---|---|---|
4819289 | Gibbs | Apr 1989 | A |
5199180 | Yablonsky | Apr 1993 | A |
5570513 | Peterson | Nov 1996 | A |
5604989 | Stevenson | Feb 1997 | A |
6813842 | Wang | Nov 2004 | B2 |
6907766 | Garrett, Jr. et al. | Jun 2005 | B2 |
7117626 | Alzamora et al. | Oct 2006 | B1 |
7607237 | Schafer | Oct 2009 | B2 |
7637049 | Samson et al. | Dec 2009 | B1 |
20020092190 | Hofer et al. | Jul 2002 | A1 |
20060162224 | Connal | Jul 2006 | A1 |
20080276475 | Schafer | Nov 2008 | A1 |
20090145785 | Garrett | Jun 2009 | A1 |
20090199345 | Morgan | Aug 2009 | A1 |
20110283588 | Samson et al. | Nov 2011 | A1 |
Entry |
---|
U.S. Appl. No. 12/506,754, filed Jul. 21, 2009, now U.S. Patent 7,637,049 issued on Dec. 29, 2009. Applicants: Scott W. Samson, et al. |
Number | Date | Country | |
---|---|---|---|
61144697 | Jan 2009 | US |