Ships – Building – Canal and ferry boats
Patent
1974-08-30
1977-01-18
Werner, Frank E.
Ships
Building
Canal and ferry boats
14 711, 114230, B63B 2100
Patent
active
040034739
ABSTRACT:
A ramp transfer and mooring system for the transferring of personnel and/or material between two relatively moving objects, such as for example from a boat to an offshore platform, wherein the ramp system permits the safe transfer between the two by a unique, flexible but at least relatively solid design which has the capability of twisting and turning to offset the relative motion and which adjusts the relative motion to a gradual change between the two, and yet still has the capability and solidity to moor and help stabilize any sudden rolling action of the boat. The ramp transfer and mooring system of such a first exemplary embodiment (FIG. 1) includes six basic elements -- the ramp structure itself (FIGS. 2-10), the connection means between the ramp and the boat (FIGS. 11-18), and the connection means between the ramp and the stationary platform including a swivel head system (FIGS. 21-23), a king post/pivot deck structure (FIGS. 24-29), and an enclosed counterweight system. A novel system of connecting the ramp to the boat (FIGS. 19 and 20), a special tie back system (FIGS. 31-33) for storing the ramp during storms, and an alternate ramp structure (FIGS. 34 and 35) are also disclosed.
In an alternate embodiment of the invention (boat to boat, FIGS. 36-38), the novel transfer ramp system is composed of three elements -- the ramp structure and the two connection means between the ramp and each of two boats -- and, having cable stringers, has the capability of being rolled up for storage. This alternate embodiment is a system for, for example, the transfer of personnel and/or material between two objects, both of which move, such as two boats (FIG. 36). An alternate flexible ramp structure (FIGS. 39 and 40) is also disclosed.
In another alternate embodiment of the invention, the system has four components -- the ramp structure, the connection means between the ramp and boat, the connection means between the ramp and the stationary platform, and external counterweight means -- to permit, for example, the transfer of personnel from a boat to a single stationary pole platform (FIG. 41) or, for example, for transferring fuel between a tanker and a "superport" type facility located offshore through additional piping means (FIGS. 42 and 43).
In still another alternate embodiment (boat/barge), the system has four components -- the ramp structure, the connection means between the ramp and a relatively stationary barge, the connection means between the ramp and the boat, and a counterweight dampening structure (FIGS. 44-47).
REFERENCES:
patent: 2212708 (1940-08-01), Fraser
patent: 2215903 (1940-09-01), Edwards
patent: 2803841 (1957-08-01), Wellens
patent: 3008158 (1961-11-01), Stinson
patent: 3228051 (1966-01-01), Voase et al.
patent: 3426719 (1969-02-01), Mizell
Pugh C. Emmett
Ryan Ramp, Inc.
Werner Frank E.
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