Patent ID: 7789352

Claim:
A clamp ( 800 ) in combination with and for attaching a rail ( 713 ) to an accessory ( 945 , 1505 , 1554 ) comprising: a pair of jaws ( 801 , 802 ), each jaw having a proximal end and distal end, and first and second sides extending from said proximal end to said distal end; a fastener ( 804 ) for joining said jaws ( 801 , 802 ) that is located between said proximal and distal ends, and between said first and second sides and extends transversely at least part way through said first and second jaws; said jaws ( 801 , 802 ) having facing flat sides, each facing flat side having a recess ( 803 ) that is opposite a recess ( 803 ) in the other facing flat side, said recesses ( 803 ) located adjacent the proximal ends of said respective jaws ( 801 , 802 ) and shaped to accommodate said rail ( 713 ), said rail passing completely through said clamp; wherein the facing flat sides of said respective jaws ( 801 , 802 ) between said recesses and said distal ends include first matching internal grooves accommodating and positioning said accessory ( 945 , 1505 , 1554 ) in said clamp ( 800 ) in a first orientation, said first matching internal grooves extending from the distal ends of said jaws to said recess; wherein the facing flat sides of said respective jaws ( 801 , 802 ) between said recesses and said distal ends include second matching internal grooves ( 807 ) accommodating and positioning said accessory ( 945 , 1505 , 1554 ) in said clamp ( 800 ) in said second orientation, said second matching internal grooves extending from one of said sides of said jaws to a location within said jaws; a knob ( 805 ) attached to said fastener ( 804 ) for tightening and loosening said jaws ( 801 , 802 ) on said rail and on said accessory ( 945 , 1505 , 1554 ), loosening of said jaws allowing said accessory to be moved from one orientation to another orientation.