An attachment assembly comprising: a first component (102, 202); a second component; and a locking device assembly structured to move between an unlocked position corresponding to the second component being attachable to, and removable from, the first component (102, 202) and a locked position corresponding to the second component being securely coupled to the first component (102, 202); wherein the locking device assembly includes at least one biasing element (4, 6) being a circular biasing element and a number of locking elements (8, 10, 12, 14); and wherein the at least one biasing element (4, 6) is structured to move between an expanded position and a compressed position, and then return to an expanded position, thereby moving the number of locking elements (8, 10, 12, 14); characterized in that the number of locking elements (8, 10, 12, 14) is a plurality of arcuate segments disposed about a perimeter of the circular biasing element to form an expandable ring; wherein in the expanded position the circular biasing element is structured to bias the plurality of arcuate segments radially outward; and wherein in the compressed position the circular biasing element is structured to compress thereby moving the plurality of arcuate segments radially inward; and each of the arcuate segments includes a first recess and a second recess; wherein the first recess of all of the arcuate segments of the expandable ring combine to form a first radial groove; wherein the second recess of all of the arcuate segments of the expandable ring combine to form a second radial groove; wherein the at least one biasing element (4, 6) is a first canted coil spring and a second canted coil spring; wherein the first canted coil spring is disposed in the first radial groove; and wherein the second canted coil spring is disposed in the second radial groove. a first component (102, 202); a second component; and a locking device assembly structured to move between an unlocked position corresponding to the second component being attachable to, and removable from, the first component (102, 202) and a locked position corresponding to the second component being securely coupled to the first component (102, 202); wherein the locking device assembly includes at least one biasing element (4, 6) being a circular biasing element and a number of locking elements (8, 10, 12, 14); and wherein the at least one biasing element (4, 6) is structured to move between an expanded position and a compressed position, and then return to an expanded position, thereby moving the number of locking elements (8, 10, 12, 14); characterized in that the number of locking elements (8, 10, 12, 14) is a plurality of arcuate segments disposed about a perimeter of the circular biasing element to form an expandable ring; wherein in the expanded position the circular biasing element is structured to bias the plurality of arcuate segments radially outward; and wherein in the compressed position the circular biasing element is structured to compress thereby moving the plurality of arcuate segments radially inward; and each of the arcuate segments includes a first recess and a second recess; wherein the first recess of all of the arcuate segments of the expandable ring combine to form a first radial groove; wherein the second recess of all of the arcuate segments of the expandable ring combine to form a second radial groove; wherein the at least one biasing element (4, 6) is a first canted coil spring and a second canted coil spring; wherein the first canted coil spring is disposed in the first radial groove; and wherein the second canted coil spring is disposed in the second radial groove.