# US 6,718,578 B2 · Blanket having extendable supports

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- Number: US 6,718,578 B2
- Document ID: US6718578B2
- Status: Granted
- Kind: B2
- Application number: 10/244,945
- Filed: 2002-09-17
- Published: 2004-03-18
- Granted: 2004-04-13
- Earliest claimed: 2002-09-04
- Inventors: Hongbiao Li
- Web page: https://patentgrep.com/patent/US6718578B2

## CPC

- A47C 21/022: {Sheet holders; Bed cover holders}
- A47D 15/02: Bed-cover holders preventing babies from throwing-off the bed covers
- A47G 9/0223: {Blankets}
- A47C: CHAIRS; SOFAS; BEDS
- A47D: FURNITURE SPECIALLY ADAPTED FOR CHILDREN (school benches or desks A47B39/00, A47B41/00)
- A47G: HOUSEHOLD OR TABLE EQUIPMENT (book-ends A47B5/00; knives B26B)

## Abstract

A blanket providing enhanced ventilation and preventing a person from inadvertently removing the blanket from the person's body. The blanket includes a sheet of material having a reinforcing section embedded within a perimeter of the sheet of material. The reinforcing section may be a tube containing trapped air. In addition, the blanket may include supports connected to a collar section. The supports allow the blanket to be raised a specified distance above the person lying under the blanket. When the person releases the blanket, the blanket returns to its original position, lying over the person. The blanket may also includes several apertures allowing air to pass through the blanket.

## Claims

### Claim 1

A blanket for use over a person, the blanket comprising:
a sheet of material;
a reinforcing section affixed to the sheet of material, said reinforcing section providing a substantial rigidity to a portion of the blanket; and
a vertically raised section located on the sheet of material for raising a portion of said sheet of material away from a horizontal surface on which said sheet of material lies, said vertically raised section being extendable from the sheet of material;
whereby the person is positioned under the blanket, said reinforcing section and said vertically raised section preventing the person from moving the blanket off a body of the person while allowing restricted movement of the blanket.

### Claim 2 (depends on 1)

The blanket of claim 1 wherein said reinforcing section is a flexible tube having air trapped within the tube.

### Claim 3 (depends on 1)

The blanket of claim 1 further comprising a plurality of apertures spaced on said sheet of material for allowing passage of air through said sheet of material.

### Claim 4 (depends on 3)

The blanket of claim 3 wherein each aperture includes a perimeter providing a passageway through said sheet of material.

### Claim 5 (depends on 4)

The blanket of claim 4 wherein each perimeter is affixed to said sheet of material.

### Claim 6 (depends on 1)

The blanket of claim 1 wherein said vertically raised section includes at least two supports having weighted bases.

### Claim 7 (depends on 6)

The blanket of claim 6 wherein each support includes an extendable sheath surrounding a length of the support.

### Claim 8 (depends on 7)

The blanket of claim 7 wherein the extendable sheath extends and retracts in an accordion-like fashion.

### Claim 9 (depends on 1)

The blanket of claim 1 further comprising a second vertically raised section for raising a second portion of said sheet of material away from the horizontal surface on which said sheet of material lies, said second vertically raised section being extendable from the sheet of material.

### Claim 10 (depends on 6)

The blanket of claim 6 wherein said vertically raised section is located above a neck of the person.

### Claim 11 (depends on 6)

The blanket of claim 6 wherein said vertically raised section is located above a waist of the person.