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Hinge coupling three buoyant-slat pool cover sections
   
Document Number
US Patent 7047575
Issued Date
May 23, 2006
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Abstract
An invented hinge for coupling three buoyant-slats pool cover sections together is described wherein three, modified, longitudinal buoyant slats are coupled for pivoting around three angularly spaced, parallel hinge axes aligned with the slats by a plurality of hinge plates each defining a coupling aperture received and pinned within registering hinge bays penetrating into adjacently positioned, longitudinal side flotation chambers of the three modified buoyant slats by a longitudinal hinge pin passing through the coupling apertures of the hinge plates received in the hinge bays inside of the flotation chamber of each of the three modified, buoyant slats. The three modified longitudinal buoyant slats of the assembled hinge present three cooperating coupling structures extending longitudinally along the slat sides opposite the pivot axes of the hinge for coupling a vertical section and two horizontal sections of a buoyant-slat pool cover extending/retracting from an interior, pool bottom cover drum trough where the vertical section extends up and down between the cover drum and the pool surface and the horizontal sections coupled to the end of the vertical section extend/retract in opposite directions across a pool surface.
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Number of Claims:
2
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Published
May 23, 2006
Application Number
10/975,625
Filed
October 28, 2004
US Classification
4/498   160/229.1
Int'l Classification
E04H   4/08   (20060101)  
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Parent Case
RELATED APPLICATIONS This Application relates to and claims the benefits conferred by U.S. Provisional Patent Application Ser. No. 60/516,664 filed Oct. 31, 2003 and Nos. 60/517,053 and 60/517,246 filed Nov. 4, 2003 the entirety of which are incorporated herein by reference.
USPTO Field of Search
4/498   4/500   4/501   4/502   160/133   160/185   160/220   160/228   160/229.1   160/232  
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