摘要:
A personal water craft (PWC) dock has a molded platform, the platform having a main section with its upper surface contoured to provide an elongate recess extending the length of the platform. The recess is shaped and dimensioned to receive and support the hull of a PWC, the recess being asymmetrically located towards one side of the platform. A raised walkway deck section extends the length of the platform and is located towards the other side of the platform, the walkway deck section being located over a buoyancy chamber. The molded platform is configured at each end of the recess for selective installation of a centering roller or a bow stop as desired for convenience when siting the PWC dock and its walkway deck section in relation to a main dock.
摘要:
A dry-dock walking machine for installation on the deck surface of a dry-dock is operable for transporting a ship to a selected location relative to the dry-dock. There is provided a plurality of laterally spaced-apart, parallel support beams rigidly interconnected and dimensioned to extend transversely beneath the ship and across at least a portion of its width to engage its hull and support it above the deck surface. A lifting jack assembly is mounted on each end of each support beam, and they are spaced apart so that each support beam has a lifting jack assembly positioned adjacent each lateral side of the ship. A stabilizer mechanism is mounted on each support beam adjacent each lifting jack assembly operable for selectively engaging a lateral side the ship's hull to establish and maintain lateral stability of the ship relative to the support beams.
摘要:
Apparatuses and methods useful for helping to center watercraft—such as personal watercraft, ski boats, fishing boats, luxury boats, and the like—as they are docked (such as on trailers or watercraft-lifting systems), especially in rough waters and/or strong crosswinds.
摘要:
A semi-flexible hinge for interconnecting a floating dock wherein the dock is comprised of a pair of floating, rectangular sections positioned end-to-end in spaced-apart relation. The adjacent ends of the floating dock sections each have a vertical, planar face, facing and parallel to the face of the adjacent dock section. The semi-flexible hinge includes a channel member mounted to each of said adjacent dock faces. Each channel member has a pair of opposing flanges extending horizontally and perpendicularly in relation to the dock face. Each channel member has a plurality of U-shaped knuckles mounted thereon. The knuckles are comprised of a length of semi-flexible material. A hinge pin passes through the aperture of the aligned knuckles attached to both channel members such that the dock sections can pivot, twist, and move vertically relative to one another. In another illustrative embodiment, the semi-flexible hinge includes top and bottom hinge straps interconnecting the floating dock sections. The hinge straps are arranged substantially parallel to one another, and are secured at each end to opposing flanges attached to each dock face.
摘要:
Apparatuses and methods useful for helping to center watercraft—such as personal watercraft, ski boats, fishing boats, luxury boats, and the like—as they are docked (such as on trailers or watercraft-lifting systems), especially in rough waters and/or strong crosswinds.
摘要:
An open ocean-based berthing facility for capturing a ship or similar vessel in order to mitigate wind, wave and current-induced relative motion between the berthing facility and the vessel includes a buoyant platform having an enclosure formed therein for receiving the vessel. When the vessel is positioned within the platform enclosure, it is isolated from the open ocean yet remains afloat since the enclosure is filled with water. When the vessel is positioned within the enclosure and isolated from the open ocean, its movement is coupled to the movement of the platform. Coupling the movement of the vessel to the movement of the platform greatly reduces the relative motion between the vessel and the platform and thereby reduces the risk of both physical damage to the vessel and platform and reduces the risk of injury to operating and maintenance personnel.
摘要:
A clamp mechanism for an adjustable torsion bar of a boat lift. The torsion bar includes square tubes which fit together telescopically to allow the torsion bar length to be adjusted. Each clamp mechanism includes a pair of opposing angle members lined on the inside faces of their flanges with plates which extend along a part of the length of each flange. The angle members are applied in opposition to one another with the inside faces of the flanges directly against the larger tube and the plates against the smaller tube. The angle members are clamped to the tubes by nuts and bolts applied to lugs which project from the angle members.
摘要:
A cargo transferring vessel and method for transferring cargo between a small ship or lighter and a larger ship. The cargo transferring vessel is capable of being partially submerged to various depths to permit a large ship to float over the center portion of its hull and is then capable of increasing its buoyance to bring wheels of wheel assemblies on the center portion of its hull into contact with the hull of the larger ship to eliminate relative pitching, rolling and up and down movements between the larger ship and the cargo transferring vessel which might be caused by waves or rough water. A stabilizing apparatus is provided on the side of the hull of the cargo transferring vessel for exerting a downward force on the hull of the smaller ship for assisting in preventing relative movement between the smaller ship and the combined cargo handling vessel and the larger ship. The wheel assemblies are capable of conforming to the shape of the hull of the larger ship and they permit the cargo transferring vessel to be located at various positions along the hull of the larger ship. The cargo transferring vessel and method permit the transfer of cargo between a large and a small ship without the undesirable pitching, rolling and up and down movements between the large ship, the smaller ship and the cargo transferring vessel.