Patent ID: 8499676
Filing Date: 2013-08-06
Classification: F41A

Abstract:
1. A coupling system for attaching a device such as a sound suppressor or blank adaptor to a flash hider of a firearm, comprising: a flash hider of a firearm with an annular groove and an exterior surface formed to have a latch-engaging portion of said exterior surface of said flash hider; an attachable device formed to receive said flash hider therein and having external threads and with plural cutouts formed there through, said cutouts being alignable with said latch-engaging portion of said exterior surface when said flash hider is received into said attachable device; plural camming latches in said plural cutouts, each camming latch of said plural camming latches being in a cutout of said plural cutouts, said camming latches engaging said latch-engaging portion of said exterior surface of said flash hider when said flash hider is received into said attachable device and said latch-engaging portion is aligned with said plural cutouts; a collar having interior threads and an interior surface, said collar being threadable to said attachable device over said plural camming latches, said collar having a locked position wherein said collar engages said camming latches to prevent movement of said camming latches, and an unlocked position wherein said collar allows said camming latches to be moved radially outward from said cutouts; and a spring lock for holding said collar in said locked position.