Mechanical locking device for a longitudinally split bottom dump barge

Abstract From the Canadian patent

In a longitudinally split bottom dump barge which is opened and closed by rotation of the two longitudinal halves of the barge relative to each other about a longitudinal axis on the top side of the barge by hydraulic piston means a mechanical de-, vice for locking the two halves of the barge together in their closed position includes a hook member rotatably mounted on a, shaft at the bottom inner side of one first barge half. When the hook is in its lowered locking position it hooks about and rests, upon a locking pin mounted at the bottom inner side of the other second barge half. An operating shaft linkage has one end pivotably attached to the hook and a threaded opposite end which …