Passive tensioning mechanism for underwater buoyant-slat...

Details Passive tensioning mechanism for underwater buoyant-slat... Passive tensioning mechanism for underwater buoyant-slat...

2007-11-15

2008-12-16

Huynh, Khoa D (Department: 3751)

Baths, closets, sinks, and spittoons

Pool type

Accessory

C004S498000, C004S501000, C004S503000

Reexamination Certificate

active

07464416

ABSTRACT:
Invented techniques and associated mechanisms are described for passively assuring that the spiraling layers of wound-up layers of a buoyant pool cover are, and will remain tightly wound around a rotatable cover drum completely submerged in a pool bottom tough.

REFERENCES:
patent: 3613126 (1971-10-01), Granderath
patent: 2003/0213057 (2003-11-01), Poirson
patent: 2326558 (1974-02-01), None
patent: 2577264 (1986-08-01), None
patent: 2888266 (2008-01-01), None

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