Swimming pool cover

Claim 2

A protective floating pool cover comprising: a plurality of buoyant rectangular panels, said panels having parallel ends and parallel sides, said ends having a hinge portion with hinge pin receiving apertures; a hinge link received in the hinge portions of adjacent panels, said hinge links having spaced hinge pin apertures; and a hinge pin received in said hinge pin apertures in said hinge portions and said hinge links, said hinge pin pivotally joining the ends of adjacent panels to permit swinging of any one panel in either direction relative to the adjacent panel until a selected one of either the upper or lower faces of said adjacent panels are in contact with each other, said panels being swingable from a storage position in which said panels are folded over in an accordion fashion, one on top of the other, to an open use position floating on the liquid surface of a pool with the ends adjacent each other and said panels in alignment with each other.

Claim 3

The pool cover according to claim 1 wherein said ends of said panels are rounded.

Claim 4

The pool cover according to claim 2 wherein the rounded ends of adjacent panels are in contact in said open use position.

Claim 5

The pool cover according to claim 1 wherein said panels are made with an expanded polymer.

Claim 6

The pool cover according to claim 4 wherein said polymer is polystyrene.

Claim 7

The pool cover according to claim 5 wherein said panels are extruded.

Claim 8

The pool cover according to claim 5 wherein said panels are molded.

Claim 9

The pool cover according to claim 4 wherein said panels have a protective coating thereon.

Claim 10

The pool cover according to claim 8 wherein said coating is an acrylic latex.

Claim 11

The pool cover according to claim 1 wherein at least one of said panels is cut to conform with the shape of the pool with which it is being used.

Claim 12

The pool cover according to claim 1 wherein said cover comprises a plurality of rows of hinged together panels with the sides of said panels being adjacent in adjacent rows.

Claim 13

The pool cover according to claim 1 wherein the hinged portion includes a plurality of spaced apart slots each receiving an end of said hinge link with the hinge pin passing through the hinge pin receiving aperatures in said hinge portion and one of the apertures in each of said hinge links.

Claim 14

The pool cover according to claim 12 wherein said hinge pin extends substantially the full length of said end of said panel and passes through said hinge pin aperatures in said panel between said slots.

Claim 15

A protective floating pool cover comprising: a plurality of buoyant rectangular panels, said panels having parallel ends and parallel sides, said ends having a hinge portion with hinge pin receiving apertures; a hinge link received in the hinge portions of adjacent panels, said hinge links having spaced hinge pin apertures; a hinge pin received in said hinge pin apertures in said hinge portions and said hinge links, said hinge pin pivotally joining the ends of adjacent panels to permit swinging of said panels from a storage position in which said panels are folded over in an accordion fashion, one on top of the other, to an open use position floating on the liquid surface of a pool with the ends adjacent each other and said panels in alignment with each other, said ends of said panel include an extrusion attached to said panel, said extrusion having a plurality of spaced apart slots each receiving an end of said hinge link, and said extrusion having a hinge tube with which one of said hinge pin apertures is aligned for receiving said hinge pin.

Claim 16

A protective floating pool cover comprising: a plurality of buoyant rectangular panels, said panels having parallel ends and parallel sides, said ends having a hinge portion with hinge pin receiving apertures; a hinge link received in the hinge portions of adjacent panels, said hinge links having spaced hinge pin apertures; a hinge pin received in said hinge pin apertures in said hinge portions and said hinge links, said hinge pin pivotally joining the ends of adjacent panels to permit swinging of said panels from a storage position in which said panels are folded over in an accordion fashion, one on top of the other, to an open use position floating on the liquid surface of a pool with the ends adjacent each other and said panels in alignment with each other, said ends of said panel include an extrusion attached to said panel, said extrusion having a plurality of spaced apart slots each receiving an end of said hinge link, and said extrusion having a hinge tube with which one of said hinge pin apertures is aligned for receiving said hinge pin.

Claim 17

The pool cover according to claim 14 wherein said extrusion is rounded to provide clearance between adjacent panels when swinging them from said storage position to said use position.

Claim 18

The pool cover according to claim 15 further including a rounded extrusion attached to each of said sides and extending between the extrusions attached to said ends.

Claim 19

A protective floating cover for a pool comprising: a first and a second buoyant rectangular panel, said panels having transversely extending parallel ends and longitudinally extending parallel sides; a hinge pivotally joining one of the ends of said first and said second panels to permit swinging of any one panel in either direction relative to the adjacent panel until a selected one of either the upper or lower faces of said adjacent panels are in contact with each other, said panels being swingable from a storage position in which said panels are folded over on top of one another to an open use position floating on the liquid surface of said pool; said hinge including a plurality of transversely spaced longitudinally extending slots extending inwardly from each of said panel ends and a hinge pin opening extending parallel to and adjacent each panel end; a plurality of hinge links each having a pair of spaced hinge pin apertures, one end of each of said links being received in each of said slots along one of said panel ends of said first panel with one of said pair of hinge pin apertures in alignment with said hinge pin opening and the other end of each of said links being received in each of said slots along one of said panel ends of said second panel with the other of said pairs of hinge pin apertures in alignment with said hinge pin opening; and a hinge pin received in each of said hinge pin apertures and said hinge pin openings.

Claim 20

A protective floating cover for a pool comprising: a first and a second buoyant rectangular panel, said panels having transversely extending parallel ends and longitudinally extending parallel sides; a hinge pivotally joining one of the ends of said first and said second panels to permit swinging of any one panel in either direction relative to the adjacent panel until a selected one of either the upper or lower faces of said adjacent panels are in contact with each other, said panels being swingable from a storage position in which said panels are folded over on top of one another to an open use position floating on the liquid surface of said pool; said hinge including a plurality of transversely spaced longitudinally extending slots extending inwardly from each of said panel ends and a hinge pin opening extending parallel to and adjacent each panel end; a plurality of hinge links each having a pair of spaced hinge pin apertures, one end of each of said links being received in each of said slots along one of said panel ends of said first panel with one of said pair of hinge pin apertures in alignment with said hinge pin opening and the other end of each of said links being received in each of said slots along one of said panel ends of said second panel with the other of said pairs of hinge pin apertures in alignment with said hinge pin opening; and a hinge pin received in each of said hinge pin apertures and said hinge pin openings.

Claim 21

A protective floating cover for a pool comprising: a plurality of buoyant rectangular panels having transversely extending parallel ends and longitudinally extending parallel sides; a rounded extrusion attached to each end of said panels; and hinge means pivotally joining the ends of said panels to permit swinging of the panels from a storage position in which said panels are folded over on top of one another in an accordion fashion to an open use position floating on the liquid surface of said pool, said hinge means including: a tubular hinge pin socket integrally molded in said extrusion extending parallel to the end of said panel; a plurality of longitudinally extending transversely spaced slots molded integrally in said extrusions; a plurality of hinge links each having a pair of spaced hinge pin apertures, the ends of each of said links being received in the slots of the extrusions of adjacent panels being joined by said hinge means with the hinge pin apertures of said links being in alignment with said hinge pin sockets; and a hinge pin received in each of said hinge pin apertures and said hinge pin sockets.

Claim 22

A protective floating cover for a pool comprising: a plurality of buoyant rectangular panels having transversely extending parallel ends and longitudinally extending parallel sides; a rounded extrusion attached to each end of said panels; and hinge means pivotally joining the ends of said panels to permit swinging of the panels from a storage position in which said panels are folded over on top of one another in an accordion fashion to an open use position floating on the liquid surface of said pool, said hinge means including: a tubular hinge pin socket integrally molded in said extrusion extending parallel to the end of said panel; a plurality of longitudinally extending transversely spaced slots molded integrally in said extrusions; a plurality of hinge links each having a pair of spaced hinge pin apertures, the ends of each of said links being received in the slots of the extrusions of adjacent panels being joined by said hinge means with the hinge pin apertures of said links being in alignment with said hinge pin sockets; and a hinge pin received in each of said hinge pin apertures and said hinge pin sockets.

Claim 23

The cover according to claim 18 further including a rounded extrusion attached to each of said sides and extending between the extrusions attached to said ends.