Safety air cushion for a computer
First Claim
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1. A pneumatic support for use in the transportation of an article of electronic equipment comprised by:
- an air cushion including an inflatable, air impervious flexible bladder having an internal cavity which is normally maintained in an elevated pressurized condition above the ambient pressure external to the bladder;
said air impervious bladder formed of a material for limiting its permissible extent of expansion at the elevated pressurized condition;
said pressurized condition being operatively selected for said bladder to act as a pneumatic spring to primarily isolate an article of electronic equipment positioned against said bladder from impact shocks;
a quantity of an open cell foamed plastics material positioned within said cavity of said bladder;
said open cell foamed plastics material being a material having a retained memory of the original shape and volume of said open cell foamed plastics material;
said open cell foamed plastic material providing secondary isolation of impact shocks for the article of electronic equipment positioned against said bladder, operative upon loss of the elevated pressure within said internal cavity resulting in degradation of the primary pneumatic spring isolation.
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Abstract
A support for an article of electronic equipment, such as a personal computer includes at least one bolster pressurized with a gas, and which provides pneumatic spring in surrounding relation with side edges of the article, the bolsters being comprised of an inflatable bladder and a filling of an open cell foamed plastics material, which provides a cushioning effect in the event of the bladder becoming perforated.
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Citations
12 Claims
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1. A pneumatic support for use in the transportation of an article of electronic equipment comprised by:
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an air cushion including an inflatable, air impervious flexible bladder having an internal cavity which is normally maintained in an elevated pressurized condition above the ambient pressure external to the bladder; said air impervious bladder formed of a material for limiting its permissible extent of expansion at the elevated pressurized condition; said pressurized condition being operatively selected for said bladder to act as a pneumatic spring to primarily isolate an article of electronic equipment positioned against said bladder from impact shocks; a quantity of an open cell foamed plastics material positioned within said cavity of said bladder; said open cell foamed plastics material being a material having a retained memory of the original shape and volume of said open cell foamed plastics material; said open cell foamed plastic material providing secondary isolation of impact shocks for the article of electronic equipment positioned against said bladder, operative upon loss of the elevated pressure within said internal cavity resulting in degradation of the primary pneumatic spring isolation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A support for use in the transportation of an article of electronic equipment, comprised by:
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an inflatable, air impervious bladder having an internal cavity; a quantity of an open cell foamed plastics material positioned within said cavity of said bladder; said open cell foamed plastics material being a material having a retained memory of the original shape and volume of said open cell foamed plastics material, and a sleeve of a fabric material providing a corset for said bladder, and limiting the permissible extent of expansion of said bladder. - View Dependent Claims (10)
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11. An impact absorbing carrying case for a personal computer, having top, bottom, two side, front and rear surfaces, said carrying case comprising:
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an inflatable, air impervious flexible bladder having an internal cavity which is normally maintained in an elevated pressurized condition above the ambient pressure external to the bladder; said air impervious bladder formed of a material for limiting its permissible extent of expansion at the elevated pressurized condition; said pressurized condition being operatively selected for said bladder to act as a pneumatic spring to primarily isolate a personal computer positioned against said bladder from impact shocks; a quantity of an open cell foamed plastics material positioned within said cavity of said bladder; said open cell foamed plastics material being a material having a retained memory of the original shape and volume of said open cell foamed plastics material; said open cell foamed plastic material providing secondary isolation of impact shocks for the article of electronic equipment positioned against said bladder, operative upon loss of the elevated pressure within said internal cavity resulting in degradation of the primary pneumatic spring isolation; said air impervious bladder including at least three individual bolsters hingedly connected together and adopted to cover the two sides and bottom of a personal computer inserted in the carrying case. - View Dependent Claims (12)
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Specification