Abstract: A dolly is particularly adapted to lift, support and maneuver a four-wheel vehicle. The dolly comprises an adjustable, generally U-shaped frame assembly for each vehicle tire. The frame assembly has pairs of reciprocally opposed first and second frame members adapted to be positioned adjacent opposite sides of a tire and to lift the vehicle by way of the tires. A castering wheel assembly supports the vehicle on a ground surface. The frame assembly is pivotably mounted on a tractor.

Abstract: A dolly is particularly adapted to lift, support and maneuver a 20-foot shipping container. A shipping container support frame also supports a shipping container capture assembly. The capture assembly includes a pair of parallel, opposing shipping container capture slides. A pair of hydraulic jacks is attached to each capture slide. The jacks move shipping container engagements pins vertically. The slides move the shipping container laterally and the jacks move it vertically to pick it up and allow the support frame to move under the container. The support frame has steerable wheels for movement. Counterweights or auxiliary container stabilizers are unnecessary.

Abstract: A transportable modular flotation system with sections incorporating a decked supporting structure that is buoyed by heavy duty flotation tubes. The sections are coupled together with pre-tensioned ropes, straps or cables of High Modulus Fiber. The system is suitable for off-loading items from cargo ships in small harbors and onto remote beaches. One embodiment is a heavy-duty lightweight modular causeway system (LMCS™) that is rapidly deployable and recoverable from a Joint High Speed Vessel (JHSV). Other embodiments of the present invention may be deployable floating piers or docks; modular commercial causeways, and expedient means to cross environmentally sensitive areas such as marshes or wetlands without employing major earthmoving equipment. Embodiments may also be used for wet-gap crossings, such as currently served by modular bridges, such as the Army Dry Support Bridge (DSB).

Abstract: A planing seal for a vehicle having a hull with downward extending sidewalls. The seal comprises a plurality of juxtaposed supporting stays positioned parallel to and between the extended hull sidewalls. These supporting stays are connected to the hull at their forward end and remain free at their rearward end. A plurality of forming cables are attached to the hull at one of their ends and at least one of the plurality of cables attach to at least one of the supporting stays intermediate its ends. The cables have a length selected to provide a curvilinear form to the supporting member which allows independent freedom of movement of the stays toward the hull cable attach point. A flexible, non-permeable membrane extends the width of the hull between the sidewall extensions. The membrane has a spaced-apart sealed attachment to the hull fore and aft. The combination of the extended sidewalls and membrane hull attachments provide a pressurizable plenum chamber with seals supported by the stays.