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US 4,067,284 AGranted
Barge-carrying ship
AssigneeMitsubishi Jukogyo Kabushiki Kaisha
InventorsNishino Yasushi, Adachi Saburo, Karashima Koji, Iwai Ken
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AssigneeMitsubishi Jukogyo Kabushiki Kaisha
InventorsNishino Yasushi, Adachi Saburo, Karashima Koji, Iwai Ken
Estimating the term…
A barge-carrying ship having a crane at the end of the vessel for lifting barges from the water surface, a plurality of openings at the end of the vessel through which the barges are carried aboard the ship, and rails laid in the fore-and-aft direction on the upper deck and along the inner walls of the both sides of the hull for the transportation of the lifted barges to the points where they may be stowed. Barge trucks are provided equipped with low-lift hydraulic jacks for raising and lowering the loads thereon. The barge trucks are distributed at the rate of at least one such truck per track of one or a pair of the rails. Supports protrude inwardly from the inner walls of the both sides of the ship for supporting the barges. The ship has no deck in the hold space except for a middle deck over engine rooms. A second crane is mounted substantially amidships. The ship has stern doors hinged openable to both sides and associated with a plurality of openings at the rear end of the ship in such a manner that, when closed, the doors cover the openings fluidtightly and, when open, they are unmovably secured to the both sides of the ship.
A barge carrying ship comprising a hull having at least an upper deck, sides and a unitary open hold having a bottom deck, at least one opening provided at the stern of said hull for access to said hold, first lifting means located at the stern of said hull for moving barges to and from said deck and said hold, rail pairs laid from said stern lifting means in the fore and aft direction on the upper deck, the bottom deck and along the inner walls of the sides of said hull, truck means located above and within said hull movable along said rail pairs for transporting said barges, said truck means comprising a pair of side bogies and transversely connecting frame extending beneath said barges, jack means located on said side bogies for raising and lowering said trucks and the barges thereon and stationary supports spaced above said rail pairs and protruding inwardly between said truck means and the barges thereon to support said barges in stowed accommodation upon lowering of said jack means.
Dependencies are inferred from the claim text.