Patent ID: 7413369

Claim:
Lock pin with push-button-operated axial locking, comprising: a tubular body having radially outwards directed recesses; an actuating plunger in said tubular body and axially displaceable under spring loading; a plurality of rigid locking elements pointing in opposite directions which are mounted in said radially outwards directed recesses in the body and which are moved by pressure of said plunger, each of said plurality of rigid locking elements having at least one semi-circular claw-like portion arranged to interlock the plurality of rigid locking elements together in an interlocked position, the semi-circular claw-like portions when interlocked forming a pivot bearing shell; and wherein a proximate end tip of the actuating plunger forms a bearing shaft that bears against the semi-circular claw-like portions of the locking elements which form a pivot bearing shell for the bearing shaft, the bearing shaft formed by the proximate end tip of the actuating plunger sitting within the semi-circular claw-like portions and holding the plurality of rigid locking elements together in the interlocked position.