Hydraulic and earth engineering – Fluid control – treatment – or containment
Patent
1998-02-17
1999-11-30
Bagnell, David
Hydraulic and earth engineering
Fluid control, treatment, or containment
242372, 4498, B65G 500
Patent
active
059931124
ABSTRACT:
A floating reservoir cover tensioning system that eliminates unsightly towers that are mounted on the upper surface of the surrounding containing walls of a reservoir. A plurality of tensioning assemblies are mounted in cases supported on the top surface of the surrounding containing wall of the reservoir at predetermined spaced intervals to assure that the tension forces are equally distributed. Each of the tensioning assemblies has a combined structure of a cable drum and a storage drum journaled on a bearing extending up from a mounting plate. A pair of laterally spaced spring motor drums are also journaled on their respective bearings extending up from the mounting plate. One end of a first coiled-band spring is secured to one of the spring motor drums and its opposite end is secured to the storage drum. A second coiled-band spring has its one end secured to the second motor drum and its other end secured to the storage drum. A plurality of cables each have their one end secured to one of the respective cable drums and their opposite ends secured to the peripheral edge of the skirt portion of a floating cover for a reservoir.
REFERENCES:
patent: 3156431 (1964-11-01), Zivi
patent: 3815367 (1974-06-01), Collins et al.
patent: 5108225 (1992-04-01), Neal
Bagnell David
Lagman Frederick
Logan III Charles C.
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