Ships – Displacement-type hull – Multiple hulls
Patent
1987-11-19
1989-05-16
Basinger, Sherman D.
Ships
Displacement-type hull
Multiple hulls
114352, 114354, B63B 112, B63B 704
Patent
active
048299260
ABSTRACT:
A pontoon boat, of the type having two pontoons upon which is erected a platform and railing, for use as a shallow draft vessel, is shown having the platform and railings contructed of a particular collapsible construction specifically adapted for rapid, complete and compact disassembly for ease of over-the-road transportation. Each pontoon is constructed of two end-to-end canoe shaped flotation structures having a perpendicular end for abutment and bolting together, and a tapered end for lessening water drag. On a flat top of each pontoon, mating left and right receiving support points hold the collapsible platform frame. Two indentical, facing collapsible platform frames have pin and socket connections for interlinking with the pontoons, and have a removable floor plate which rests in a hinged bottom support frame. The bottom frame and two hinged side rail sections fold against a fixed back rail. The proportions of all components are chosen so that the side rails fold directly against the back frame and the bottom support frame folds up producing a flat, easily transported structure. The resulting structure is compact and easily transported when broken down, but provides for a substantially strong rail form the pontoon platform when erected.
REFERENCES:
patent: 3042942 (1962-07-01), Howe
patent: 3193851 (1965-07-01), Fiebelborn
patent: 4040134 (1977-08-01), Downing
Basinger Sherman D.
Norcross Alexander F.
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