Patent ID: 8312668

Claim:
A mechanism for a firearm comprising: a) an accessory for a firearm; and, b) a mounting mechanism having: 1) a holder configured to encircle a portion of said accessory for a firearm, 2) a clamping mechanism adapted to engage a receiving mechanism on said firearm, and, 3) a manually operated compression mechanism configured to selectively and simultaneously engage: A) said clamping mechanism with said receiving mechanism, and B) said holder with said accessory for a firearm, said compression mechanism having 1) at least one tooth slidably secured to said holder, said tooth further including a first engagement mechanism configured to engage one side of said receiving mechanism on said firearm, 2) a movable bracket having a second engagement mechanism configured to engage a second side of said receiving mechanism on said firearm; and, wherein said manually operated compression mechanism, when activated, compresses said receiving mechanism between said first engagement mechanism and said second engagement mechanism while inserting said at least one engaging tooth into said holder and against said accessory for a firearm, and, 3) a first guide member secured at a first end to said holder and extending through said movable bracket, the second end of said first guide being threaded to receive a first nut, and, 4) a second guide member secured at a first end to said holder and extending through said movable bracket, the second end of said second guide being threaded to receive a second nut, 4) a screw mechanism having, a) a first pin securing the first end of said first guide member to said holder and loosely engaged with said movable bracket; and, b) a second pin securing the first end of said second guide member to said holder and loosely engaged with said movable bracket.