Pocketed Fitted Bedsheet

Abstract

The disclosed principles provide for an improved bedsheet capable of staying attached to any mattress, and thus not be removable from the mattress during normal use. A sheet as disclosed herein replaces the conventional fitted sheet on which a person sleeps and is attached at the four corners around the bed's mattress. A sheet as disclosed herein features a “pocket” formed at the head of the sheet that is used to secure the sheet, rather than the typical elasticized corners of a conventional fitted sheet that merely grasps the corners and/or bottom at the head of the mattress. By replacing the elasticized parts at the head of the lower bedsheet with the disclosed pocket, the entire head of the mattress, not just the corners, are secured within the pocket of the disclosed sheet. Thus, the disclosed pocketed lower bedsheet will not come loose from the mattress during its normal use.

What is claimed is: 
     
         1 . A pocketed bedsheet, comprising:
 a head portion, a foot portion and opposing side portions joining the head portion and the foot portion;   wherein the head portion of the sheet comprises a pocket configured to receive a head portion of a mattress therein, the pocket comprising:
 material sufficient to extend around a width and thickness of the head portion of the mattress along a top surface, a bottom surface and side surfaces of the head portion of the mattress, and 
 a depth extending from an end of the head portion of the sheet towards the foot portion of the sheet; 
   wherein the foot portion of the sheet is sized sufficient to downwardly extend from a top surface of the mattress along a thickness of a foot portion of the mattress and beyond a bottom surface of the mattress;   wherein the side portions of the sheet are sized sufficient to extend from the top surface of the mattress along a thickness of side portions of the mattress and beyond the bottom surface of the mattress; and   wherein the pocket is sized such that the sheet cannot be removed from the head portion of the mattress received therein without first removing the sheet from the foot portion and side portions of the mattress.   
     
     
         2 . A pocketed bedsheet according to  claim 1 , wherein the depth of the pocket comprises 20% of the length of the sheet from the head portion to the foot portion. 
     
     
         3 . A pocketed bedsheet according to  claim 1 , wherein bottom edges of corners at the foot portion of the sheet comprise elastic, said elastic configured to contact the bottom surface of the mattress at corners of the foot portion of the mattress. 
     
     
         4 . A pocketed bedsheet according to  claim 1 , wherein bottom edges of corners at the foot portion of the sheet and a bottom edge of the foot portion of the sheet all comprise elastic, said elastic configured to contact the bottom surface of the mattress along the foot portion and corners of the foot portion of the mattress. 
     
     
         5 . A pocketed bedsheet according to  claim 1 , wherein bottom edges of the opposing side portions of the sheet comprise elastic, said elastic configured to contact the bottom surface of the mattress along sides of the mattress. 
     
     
         6 . A pocketed bedsheet according to  claim 1 , wherein bottom edges of corners at the foot portion of the sheet and bottom edges of the opposing side portions of the sheet all comprise elastic, said elastic configured to contact the bottom surface of the mattress along sides and the foot portion of the mattress. 
     
     
         7 . A pocketed bedsheet according to  claim 1 , wherein the foot portion of the sheet extends from a top surface of the mattress along a thickness of a foot portion of the mattress and beyond a bottom surface of the mattress by an amount at least as long as the thickness of the foot portion of the mattress. 
     
     
         8 . A pocketed bedsheet according to  claim 7 , wherein the side portions of the sheet extend from the top surface of the mattress along the thickness of side portions of the mattress and beyond the bottom surface of the mattress by an amount at least as long as the thickness of the side portions of the mattress. 
     
     
         9 . A pocketed bedsheet according to  claim 8 , wherein the sheet comprises a 90 degree angle at areas of the sheet where each end of the foot portion of the sheet meets a side portion of the sheet. 
     
     
         10 . A method of manufacturing a pocketed bedsheet having a head portion, a foot portion and opposing side portions joining the head portion and the foot portion, the method comprising:
 forming a pocket in the head portion of the sheet configured to receive a head portion of a mattress therein, said forming the pocket comprising:
 forming material sufficient to extend around a width and thickness of the head portion of the mattress along a top surface, a bottom surface and side surfaces of the head portion of the mattress, and 
 forming a depth extending from an end of the head portion of the sheet towards the foot portion of the sheet; 
   forming the foot portion of the sheet sufficient to downwardly extend from a top surface of the mattress along a thickness of a foot portion of the mattress and beyond a bottom surface of the mattress;   forming the side portions of the sheet sufficient to extend from the top surface of the mattress along a thickness of side portions of the mattress and beyond the bottom surface of the mattress; and   wherein the pocket is sized such that the sheet cannot be removed from the head portion of the mattress received therein without first removing the sheet from the foot portion and side portions of the mattress.   
     
     
         11 . A method according to  claim 10 , wherein forming the depth of the pocket comprises forming the depth to comprise 20% of the length of the sheet from the head portion to the foot portion. 
     
     
         12 . A method according to  claim 10 , further comprising forming elastic at bottom edges of corners at the foot portion of the sheet, said elastic configured to contact the bottom surface of the mattress at corners of the foot portion of the mattress. 
     
     
         13 . A method according to  claim 10 , further comprising forming elastic at bottom edges of corners at the foot portion of the sheet and a bottom edge of the foot portion of the sheet, said elastic configured to contact the bottom surface of the mattress along the foot portion and corners of the foot portion of the mattress. 
     
     
         14 . A method according to  claim 10 , further comprising forming elastic at bottom edges of the opposing side portions of the sheet, said elastic configured to contact the bottom surface of the mattress along sides of the mattress. 
     
     
         15 . A method according to  claim 10 , further comprising forming elastic at bottom edges of corners at the foot portion of the sheet and bottom edges of the opposing side portions of the sheet, said elastic configured to contact the bottom surface of the mattress along sides and the foot portion of the mattress. 
     
     
         16 . A method according to  claim 10 , further comprising forming the foot portion of the sheet to extend from a top surface of the mattress along a thickness of a foot portion of the mattress and beyond a bottom surface of the mattress by an amount at least as long as the thickness of the foot portion of the mattress. 
     
     
         17 . A method according to  claim 16 , further comprising forming the side portions of the sheet to extend from the top surface of the mattress along the thickness of side portions of the mattress and beyond the bottom surface of the mattress by an amount at least as long as the thickness of the side portions of the mattress. 
     
     
         18 . A method according to  claim 17 , further comprising forming a 90 degree angle at areas of the sheet where each end of the foot portion of the sheet meets a side portion of the sheet. 
     
     
         19 . A pocketed bedsheet, comprising:
 a head portion, a foot portion and opposing side portions joining the head portion and the foot portion;   wherein the head portion of the sheet comprises a pocket configured to receive a head portion of a mattress therein, the pocket comprising:
 material sufficient to extend around a width and thickness of the head portion of the mattress along a top surface, a bottom surface and side surfaces of the head portion of the mattress, and 
 a depth extending from an end of the head portion of the sheet towards the foot portion of the sheet; 
   wherein the foot portion of the sheet is sized sufficient to downwardly extend from a top surface of the mattress along a thickness of a foot portion of the mattress and beyond a bottom surface of the mattress;   wherein the side portions of the sheet are sized sufficient to extend from the top surface of the mattress along a thickness of side portions of the mattress and beyond the bottom surface of the mattress;   wherein bottom edges of corners at the foot portion of the sheet, bottom edges of the opposing side portions of the sheet, and a bottom edge of the foot portion of the sheet all comprise elastic, said elastic configured to contact the bottom surface of the mattress along the foot portion, the opposing side portions, and corners of the foot portion of the mattress; and   wherein the pocket is sized such that the sheet cannot be removed from the head portion of the mattress received therein without first removing the sheet from the foot portion and side portions of the mattress.   
     
     
         20 . A pocketed bedsheet according to  claim 19 , wherein the depth of the pocket comprises 20% of the length of the sheet from the head portion to the foot portion.