MOTOR UNIT Russian patent published in 1998 - IPC

FIELD: bridge-crossing equipment; pontoon trains; assembly of floating bridges and ferries. SUBSTANCE: motor unit includes body with bridge floor built in deck, coupling and joint units on sides, engine with transmission arranged in housing and propulsion and steering complex made in form of swivel column with propeller in nozzle. It includes also detachable loading gears located on deck along sides. Each loading gear is made in form of double-arm lever mounted rotatably on vertical axle articulated to deck by means of extensible pin. Fitted on one end of lever on horizontal axle is roller resting against deck; other end of lever is provided with screw mounted in threaded bush which is swivel in vertical plane. Upper end of screw is provided with head for its rotation and its lower end is made in form of hemisphere located in seat on deck of motor unit. EFFECT: reduced consumption of labour and time required for coupling the motor unit with other units of pontoon train having lesser draft. 9 dwg