Abstract: A double air-inflated mattress having an upper chamber and a lower chamber, the upper chamber having a top layer, an outer shroud band, a plurality of anchor separators and a bottom layer, the outer shroud band connecting the top and bottom layers to form an inflatable bladder; a middle layer below said top layer partially sealed to the top layer to form a plurality of sealed or half-sealed cavities, in which some or all of said cavities are in fluid communication with the inflatable bladder, the lower chamber having a top layer, an outer shroud band, a plurality of anchor separators and a bottom layer, said outer shroud band connecting the top and bottom layers to form an inflatable bladder.

Abstract: A double air-inflated mattress having an upper chamber and a lower chamber, the upper chamber having a top layer, an outer shroud band, a plurality of anchor separators and a bottom layer, the outer shroud band connecting the top and bottom layers to form an inflatable bladder; a middle layer below said top layer partially sealed to the top layer to form a plurality of sealed or half-sealed cavities, in which some or all of said cavities are in fluid communication with the inflatable bladder, the lower chamber having a top layer, an outer shroud band, a plurality of anchor separators and a bottom layer, said outer shroud band connecting the top and bottom layers to form an inflatable bladder.

Abstract: An air-inflated mattress, comprising a top layer, an outer shroud band, a plurality of anchor separators and a bottom layer, wherein said shroud band connects the top and bottom layers together to form an inflatable bladder. A middle layer below said top layer is partially sealed to the top layer to form a plurality of sealed or half-sealed cavities, in which some or all of said cavities are in fluid communication with the inflatable bladder, via a plurality of air vents in the middle layer, creating air-pockets arrayed on the top surface of the air mattress.

Abstract: An air-inflated mattress, comprising a top layer, an outer shroud band, a plurality of anchor separators and a bottom layer, wherein said shroud band connects the top and bottom layers together to form an inflatable bladder; further comprising a middle layer below said top layer sealed to the top layer. The mattress may also comprise a middle shroud band and an inner shroud band, a plurality of joint spots welded on the bottom side of the top layer, alternatively arranged with anchor separators and a plurality of joint spots welded between the shrouds and means to pass air between the bladder and a plurality of half-sealed sub-chambers created by the joint welds, which slows the spreading speed of the air to the bladder and the chambers, so that the air mattress is even and level and the supporting strength of the air mattress is greatly improved.

Abstract: A swimming pool ladder typically utilized with a large capacity swimming pool for enabling bathers to conveniently enter and exit the pool. In its most fundamental embodiment, the swimming pool ladder includes a first ladder section connected to a second ladder section by a top platform. Each ladder section includes a pair of J-shaped side rails for providing a ladder frame. A plurality of rung anchors are mounted upon each of the side rails for supporting a plurality of rungs. Each of the rung anchors includes a load bearing flange. Further, each of the rungs includes a pair of U-shaped openings and a pair of grooves formed within the U-shaped openings for receiving and cooperating with one of the rung anchors and the corresponding load bearing flange. Finally, a plurality of retainer pins are provided for removably securing the rungs to the rung anchors.

Abstract: An inflatable flotation device for use by persons in a swimming or wading pool includes an inflatable floating chamber for providing buoyancy in water. A bottom seat is provided for supporting a person. The bottom seat includes a pair of penetrations formed therein for enabling the person to extend their legs through the bottom seat. A pair of inflatable arches are removably attached to the inflatable floating chamber, and a canopy is affixed to the inflatable arches for blocking sunlight. At least one of the inflatable arches is removable from the inflatable floating chamber for facilitating entry into and exit from the inflatable floating chamber. An alternative embodiment of the inflatable flotation device having a removable canopy exhibits a construction in which the canopy is fully detachable from the inflatable floating chamber.

Abstract: An inflatable bed includes an inflatable mattress that is attached to the top surface of an inflatable air box spring. An inflatable, stabilizing tube is attached to the bottom of the air box spring to provide additional stability and height by increasing the footprint of the inflatable bed. The interiors of the inflatable mattress and air box spring contain a plurality of I-beam structures arranged longitudinally to provide further support and stability. Alternatively, the inflatable mattress is separate and detachable and can be fastened to the top surface of the air box spring. An additional stabilizing tube is attached to the periphery of the top surface of the air box spring to cradle and support the detachable inflatable mattress.

Abstract: An inflatable bed includes an inflatable mattress that is attached to the top surface of an inflatable air box spring. An inflatable, stabilizing tube is attached to the bottom of the air box spring to provide additional stability and height by increasing the footprint of the inflatable bed. The interiors of the inflatable mattress and air box spring contain a plurality of I-beam structures arranged longitudinally to provide further support and stability. Alternatively, the inflatable mattress is separate and detachable and can be fastened to the top surface of the air box spring. An additional stabilizing tube is attached to the periphery of the top surface of the air box spring to cradle and support the detachable inflatable mattress.

Abstract: A large capacity reinforced swimming pool for use in an above-the-ground environment includes a flexible plastic liner for containing water. The liner includes a continuous sidewall and a bottom wall bonded to the sidewall by a joining seam. The continuous sidewall is formed from a partial outer layer and a partial inner layer. An inflatable top ring is mounted to the top of the sidewall for supporting the liner in an upright position. A continuous reinforcing layer is bonded to the continuous sidewall with a first plurality of continuous reinforcing seals for reinforcing the sidewall. A second plurality of continuous reinforcing seals located at an interface between the partial outer layer and the partial inner layer of the sidewall functions to reinforce the sidewall. Each of the first and second plurality of continuous reinforcing seals includes at least two seals.

Abstract: An inflatable mattress comprises a flexible bottom layer, a top layer sealed to the bottom layer through a wall, wherein the bottom and top layers and the wall define an outer frame of the inflatable mattress, and a middle layer disposed between the top and bottom layers. The bottom surface of the middle layer is sealed to the bottom layer through a plurality of laterally disposed I-beam structures to form a lower chamber. The top surface is attached to the top layer through a plurality of X-beam structures to form an upper chamber. A peripheral edge of the middle layer may be sealed with the wall to prevent the upper and lower chambers from being in fluid communication with each other. Alternatively, the peripheral edge may be detached from the wall so that the upper and lower chambers are in fluid communication with each other.

Abstract: An inflatable play structure comprises at least one inflatable house defining a cavity for accommodating a child and an inflatable tunnel detachably attached to the house. The house includes two side walls and front and rear walls connected together to form a continuous wall, and support tubes placed at each corner of the two side walls and front and rear walls. The house has a first access opening and a first one flap extending from a lower portion of the wall having a pair of hook and loop fasteners. The inflatable tunnel has two arched tubes erected from and affixed to a bottom wall defining a first opening and a second opening. The tunnel includes at least one open window and a second flap extending along the bottom wall and having a pair of hook and loop fasteners aligned with corresponding hook and loop fasteners of the house.

Abstract: An air pump is a dual action manually driven with a piston and two intake and two exhaust check values that respectively operate with one intake port and one exhaust port. These check valves operate in tandem with each other during each pumping stroke, either up or down. During each pumping stroke, one intake check valve and one exhaust check valve are open with their counterparts closed, to provide continuous discharge of compressed air through the exhaust port and also to provide continuous intake of air through the intake port. The air pump includes a cylindrically shaped hollow reservoir housing, a base connected to one end of the housing, an intake port and an exhaust or inflate port which are mounted on the base, an elongated piston shaft extending along the longitudinal axis of the housing, and a handle perpendicularly disposed with respect to the piston shaft to assist pumping of the piston shaft.

Abstract: An electric air pump having multiple impellers parallel mounted on the same motor shaft and typically employed for providing a source of low pressure, high volume air for charging inflatable devices. The multiple impellers provide improved motor efficiency in heat dissipation and air volume delivery when compared to a single impeller motor operating at the same RPM, and exhibits a near zero True Indicator Reading (TIR). In its most fundamental embodiment, the electric air pump having multiple impellers exhibits a construction including an outer housing having an air intake port and an air exhaust port. An electric motor is mounted within the outer housing and includes a rotating output shaft. A plurality of air impellers each parallel mounted on the rotating output shaft is employed for drawing a volume of air through the air intake port and across the electric motor.

Abstract: An internal air pump for charging inflatables with air and method therefore is disclosed which is directed to an air pump mounted internal to an inflatable device for injecting air therein. The inventive air pump is a thin-walled, lightweight, highly elastic, flexible plastic construction which is easily packaged within the inflatable device and can be used to inflate the device to a desired air pressure. In its most fundamental embodiment, the internal air pump comprises a construction including an outer shell layer having a continuous sidewall, a roof layer and a floor layer for defining an enclosed inner pump chamber. An inner sandwich layer is positioned adjacent to the outer shell layer and includes a resilient component. At least one air intake valve is mounted within the roof layer for admitting air into the inner pump chamber. One or more exhaust ducts are mounted in the outer shell layer for discharging air from the inner pump chamber to an inflatable device.

Abstract: A drain valve adapter is for use with a hose and a drain valve mounted to a container, wherein the drain valve of the container defines a passageway for aqueous solution. The drain valve adapter comprises a tubular body having a mating member and a plunger member which are in fluid communication with each other, the plunger member being configured to be disposed inside the drain valve along the passageway. The drain valve further comprises a ring cap defining a through hole and being disposed in surrounding relation to the tubular body for releasably engaging the drain valve. The plunger member has at least one prong extending therefrom to force open a drain plug blocking the passageway of the drain valve. Preferably, the plunger member has a plurality of prongs extending therefrom. The plurality of prongs define spaces therebetween to allow free flow of the aqueous solution in the container. The mating member has a threaded outer surface for engaging with a female coupler of a standard garden hose.

Abstract: A sun shade pool typically used by small children in an above-the-ground environment for use in the out-of-doors and method therefore is disclosed which is directed to an inflatable pool and a removable sun shade canopy mounted upon the inflatable pool for blocking direct sun light. The inflatable pool can be multiple-tiered in height and include a bottom wall. The removable sun shade canopy is attachable to and detachable from a top surface of the inflatable pool by a plurality of hook and loop fasteners. The sun shade pool can be fashioned from polyvinylchloride sheeting, include a plurality of inflation air valves for inflating the pool and canopy, and a drain plug for rapidly draining water from the pool. In its most fundamental embodiment, the sun shade pool exhibits a construction including an inflatable pool having a sidewall sealed to a bottom wall for containing a fluid. A removable sun shade canopy for covering a top surface of the inflatable pool is also included.

Abstract: An oversized air valve for use with inflatable devices typically in an above-the-ground swimming pool or an inflatable mattress is disclosed. In its most fundamental embodiment, the oversized air valve for use with inflatable devices includes a construction having an outer housing and a base flange connected to the outer housing for being secured to an inflatable device. A cylindrical passageway is formed through the outer housing for carrying pressurized air. A cap attached to the cylindrical passageway enables the air valve to be sealed against air leakage. Finally, a removable rigid member is insertable into the cylindrical passageway for preventing deformation to the air valve. The removable rigid member is force-fitted into the cylindrical passageway and is of a length sufficient to displace a back pressure flap hinged to the bottom of the cylindrical passageway.