Weapon handguard

Abstract

A quick-turn fastener for use with a weapon handguard is provided. The quick-turn fastener includes a body member comprising a first wing member and a second wing member and a protrusion extending from the body member with the first wing member and the second wing member are located on opposing sides of the protrusion and an aperture extending through the protrusion and the body member. The protrusion includes flat surfaces and curved surface to control rotation of the quick-turn fastener. A bolt may be threadingly coupled to the aperture of the body member, wherein the protrusion restricts rotation of the quick-turn fastener to 90 degrees in each direction of rotation when the quick-turn fastener is coupled to a slot of the weapon handguard.

1 . A quick-turn fastener comprising:
 a body member;   a protrusion extending from the body member; and   an aperture extending through the protrusion and the body member, wherein the aperture is threadingly coupled to a bolt, and wherein the protrusion restricts rotation of the quick-turn fastener to 90 degrees in each direction of rotation when the quick-turn fastener is coupled to a slot.   
     
     
         2 . The quick-turn fastener of  claim 1 , further comprising a first wing member and a second wing member on the body member, wherein the first wing member and the second wing member are located on opposing sides of the protrusion. 
     
     
         3 . The quick-turn fastener of  claim 2 , wherein the protrusion comprises a first curved surface and a second curved surface located on opposing sides of the aperture. 
     
     
         4 . The quick-turn fastener of  claim 3 , wherein the protrusion comprises a first flat surface, a second flat surface, a third flat surface and a fourth flat surface, wherein the first flat surface is parallel to the third flat surface and the second flat surface is parallel to the fourth flat surface. 
     
     
         5 . The quick-turn fastener of  claim 4 , wherein the first curved surface extends between the first flat surface and the second flat surface. 
     
     
         6 . The quick-turn fastener of  claim 5 , wherein the second curved surface extends between the third flat surface and the fourth flat surface. 
     
     
         7 . The quick-turn fastener of  claim 6 , wherein the first flat surface is perpendicular to the fourth flat surface. 
     
     
         8 . The quick-turn fastener of  claim 7 , wherein the second flat surface is perpendicular to the third flat surface. 
     
     
         9 . The quick-turn fastener of  claim 8 , wherein the body member is rotated in a first direction in response to the first and second curved surfaces providing clearance for the protrusion to rotate within the slot. 
     
     
         10 . The quick-turn fastener of  claim 9 , wherein the body member is restricted to 90 degrees of rotation in the first direction in response to the first and third flat surfaces engaging inner surfaces of the slot and the first and second wing members engaging opposing sides of the slot in a first orientation. 
     
     
         11 . The quick-turn fastener of  claim 10 , wherein the first and third flat surfaces maintain the body member in the first orientation during continual rotation of the bolt in the first direction, wherein the bolt moves axially in a first direction within the aperture of the body member. 
     
     
         12 . The quick-turn fastener of  claim 8 , wherein the body member is rotated in a second direction in response to the first and second curved surfaces providing clearance for the protrusion to rotate within the slot. 
     
     
         13 . The quick-turn fastener of  claim 12 , wherein the body member is restricted to 90 degrees of rotation in the second direction in response to the second and fourth flat surfaces engaging inner surfaces of the slot and the first and second wing members disengaging opposing sides of the slot in a second orientation. 
     
     
         14 . The quick-turn fastener of  claim 13 , wherein the second and fourth flat surfaces maintain the body member in the second orientation during continual rotation of the bolt in the second direction, wherein the bolt moves axially in a second direction within the aperture of the body member. 
     
     
         15 . A quick-turn fastener for use with a weapon handguard, the quick-turn fastener comprising:
 a body member comprising a first wing member and a second wing member;   a protrusion extending from the body member wherein the first wing member and the second wing member are located on opposing sides of the protrusion and an aperture extending through the protrusion and the body member, wherein the protrusion comprises:
 a first curved surface and a second curved surface located on opposing sides of the aperture; and 
 a first flat surface, a second flat surface, a third flat surface and a fourth flat surface, wherein the first flat surface is parallel to the third flat surface and the second flat surface is parallel to the fourth flat surface, wherein:
 the first curved surface extends between the first flat surface and the second flat surface; 
 the second curved surface extends between the third flat surface and the fourth flat surface; 
 the first flat surface is perpendicular to the fourth flat surface; and 
 the second flat surface is perpendicular to the third flat surface; 
 
   a bolt threadingly coupled to the aperture of the body member, wherein the protrusion restricts rotation of the quick-turn fastener to 90 degrees in each direction of rotation when the quick-turn fastener is coupled to a slot of the weapon handguard.   
     
     
         16 . The quick-turn fastener of  claim 15 , wherein the body member is rotated in a first direction in response to the first and second curved surfaces providing clearance for the protrusion to rotate within the slot. 
     
     
         17 . The quick-turn fastener of  claim 16 , wherein the body member is restricted to 90 degrees of rotation in the first direction in response to the first and third flat surfaces engaging inner surfaces of the slot and the first and second wing members engaging opposing sides of the slot in a first orientation. 
     
     
         18 . The quick-turn fastener of  claim 17 , wherein the first and third flat surfaces maintain the body member in the first orientation during continual rotation of the bolt in the first direction, wherein the bolt moves axially in a first direction within the aperture of the body member. 
     
     
         19 . The quick-turn fastener of  claim 16 , wherein the body member is rotated in a second direction in response to the first and second curved surfaces providing clearance for the protrusion to rotate within the slot. 
     
     
         20 . The quick-turn fastener of  claim 19 , wherein the body member is restricted to 90 degrees of rotation in the second direction in response to the second and fourth flat surfaces engaging inner surfaces of the slot and the first and second wing members disengaging opposing sides of the slot in a second orientation. 
     
     
         21 . The quick-turn fastener of  claim 20 , wherein the second and fourth flat surfaces maintain the body member in the second orientation during continual rotation of the bolt in the second direction, wherein the bolt moves axially in a second direction within the aperture of the body member. 
     
     
         22 . The quick-turn fastener of  claim 15 , further comprising an accessory rail having an aperture extend through the accessory rail, wherein the bolt of the quick-turn fastener extends through the aperture of the accessory rail before threadingly engaging the aperture of the quick-turn fastener. 
     
     
         23 . The quick-turn fastener of  claim 22 , wherein rotation of the bolt in a first direction tightens the accessory rail to the weapon handguard and rotation of the bolt in a second direction loosens the accessory rail from the weapon handguard. 
     
     
         24 . The quick-turn fastener of  claim 15 , further comprising a weapon, wherein the weapon handguard is coupled to the weapon and the quick-turn fastener is coupled to the weapon handguard.