NONWATERTIGHT SUBMERSIBLE VEHICLE Russian patent published in 1997 - IPC

FIELD: shipbuilding; man-powered nonwatertight submersible vehicles. SUBSTANCE: submersible vehicle contains propeller, steering device and mechanical drive. Propeller contains at least one fin movably connected with stem and cam mechanism whose cam is fitted on shaft movably secured in vehicle hull and connected with fin through parallel link mechanism. Steering device includes control handle movably connected with propeller through drive. Submersible vehicle is additionally provided with truck for motion over guides. Drive contains the following components fitted on shaft movably secured in hull: first overrunning clutch movably connected with pneumatic spring mounted in aft portion of vehicle, crank mechanism connected with slider in whose slots crank-bell levers are movably mounted; these levers are rigidly connected with stem. Steering device, propeller and drive are arranged in common hull. EFFECT: increased speed and improved service characteristics. 2 dwg