ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,775, issued on March 31, was assigned to Raytheon Co. (Arlington, Va.).
"Trigger lock" was invented by Grant A. Sweer (Owens Cross Roads, Ala.) and David Dills (Soddy Daisy, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A trigger lock provides a high retention force and a low reset force to secure, release and reset a translating member to a stationary member. A retention latch has a complementary shape to engage and resist axial translation of the translating member. The retention latch pivots downward to disengage from the translating member. A spring pack compresses to resist the downward pivot to set the high retention force. A trigger l...