Platform support system

Details Platform support system Platform support system

1990-09-20

1991-09-10

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Dock

521267, E02B 1708

Patent

active

050468979

ABSTRACT:
Disclosed is apparatus for raising and lowering a platform having wooden leg support means. A box girder is adapted to move axially about a wooden support leg of a platform, the box girder having means for securement of the girder to material forming the frame of a platform. The box girder has apertured lug on an exterior surface thereof. A header device is provided for detachable assembly with the top of a support leg of the platform during raising or lowering of the platform frame and screw means operationally cooperate with the header device and the girder lug for selectively raising or lowering the frame about the leg. Also disclosed is a method of using the apparatus in raising and lowering platform systems and has particular utility in dock systems.

REFERENCES:
patent: 907645 (1908-12-01), Sauber
patent: 2140617 (1938-12-01), Castady
patent: 3081601 (1963-03-01), Fentiman
patent: 4343570 (1982-08-01), Myer
patent: 4417426 (1983-11-01), Meng
patent: 4695195 (1987-09-01), Brande
Burston Manufacturing Co., Toronto, Ontario, Canada, Burston "Hurricane" Portable Adjustable Dock, six pages.

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