US2006123548A1PendingUtilityA1

Automatically configured hydraulic support pillow

34
Individually held — no corporate assignee on recordPriority: Dec 14, 2004Filed: Dec 14, 2004Published: Jun 15, 2006
Est. expiryDec 14, 2024(expired)· nominal 20-yr term from priority
Inventors:Clifton C. Heath
A47G 2009/008A61F 5/01A61G 7/072A47G 9/10
34
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A pillow providing automatic adjustment of exterior dimensions to accommodate the shape and weight of the head of a user placed upon it. The pillow employs at least one reservoir chamber which provides liquid to at least one communicating receiving chamber through a conduit therebetween. Flow of the fluid is regulated to flow in one direction until the two chambers equalize and provide the desired head support dimensional characteristics to the user.

Claims

exact text as granted — not AI-modified
1 . A pillow comprising: 
 a covering layer defining an exterior surface of a pillow and an interior cavity of said pillow;    said pillow having at least one reservoir chamber defined by a reservoir sidewall, housed in said interior cavity;    said pillow having at least one receiving chamber housed in said cavity;    a conduit communicating between said reservoir chamber and said receiving chamber thereby providing a flowpath for fluid therebetween;    means to prevent flow of said fluid from said receiving cavity to said reservoir cavity;    said reservoir chamber being compressible by a human head to thereby force fluid container therein into said receiving chamber;    said receiving chamber formed of a sidewall defining an interior cavity having a total volume;    said sidewall being elastic to thereby provide a means to increase in size to increase said total volume of said interior cavity of said receiving chamber to accommodate said fluid received from said reservoir chamber;    said exterior surface of said pillow adjacent to said receiving chamber increasing in size in direct proportion to any increase in said total volume of said interior cavity of said receiving chamber; and    whereby the head of a user contacting said reservoir chamber imparting force upon said reservoir chamber will cause said receiving chamber to enlarge thereby dimensioning said exterior surface to a shape similar to the shape of said head.    
   
   
       2 . The pillow of  claim 1  additionally comprising: 
 means to prevent fluid flow from said receiving chamber back into said reservoir chamber.    
   
   
       3 . The pillow of  claim 1  further comprising: 
 said reservoir sidewall being formed of elastic material to thereby increase and decrease the size of said reservoir chamber in proportion to the amount of said fluid remaining in said reservoir chamber.    
   
   
       4 . The pillow of  claim 2  further comprising: 
 said reservoir sidewall being formed of elastic material to thereby increase and decrease the size of said reservoir chamber in proportion to the amount of said fluid remaining in said reservoir chamber.    
   
   
       5 . The pillow of  claim 1  further comprising: 
 means to override said means to prevent flow of said fluid from said receiving cavity to said reservoir cavity and thereby allow said fluid to flow from said receiving chamber to said reservoir chamber; and    said means to override being user activateable from the exterior of said covering layer.    
   
   
       6 . The pillow of  claim 2  further comprising: 
 means to override said means to prevent flow of said fluid from said receiving cavity to said reservoir cavity and thereby allow said fluid to flow from said receiving chamber to said reservoir chamber; and    said means to override being user activateable from the exterior of said covering layer.    
   
   
       7 . The pillow of  claim 3  further comprising: 
 means to override said means to prevent flow of said fluid from said receiving cavity to said reservoir cavity and thereby allow said fluid to flow from said receiving chamber to said reservoir chamber; and    said means to override being user activateable from the exterior of said covering layer.    
   
   
       8 . The pillow of  claim 4  further comprising: 
 means to override said means to prevent flow of said fluid from said receiving cavity to said reservoir cavity and thereby allow said fluid to flow from said receiving chamber to said reservoir chamber; and    said means to override being user activateable from the exterior of said covering layer.    
   
   
       9 . The pillow of  claim 1  further comprising: 
 said fluid being a gel.    
   
   
       10 . The pillow of  claim 2  further comprising: 
 said fluid being a gel.    
   
   
       11 . The pillow of  claim 3  further comprising: 
 said fluid being a gel.    
   
   
       12 . The pillow of  claim 4  further comprising: 
 said fluid being a gel.    
   
   
       13 . The pillow of  claim 1  further comprising: 
 said fluid being a gel.    
   
   
       14 . The pillow of  claim 1  further comprising: 
 said reservoir chamber being smaller than said receiving chamber; and    means for mechanical advantage to lift said head provided by said receiving chamber when receiving said fluid communicated from said reservoir chamber.    
   
   
       15 . The pillow of  claim 2  further comprising: 
 said reservoir chamber being smaller than said receiving chamber; and    means for mechanical advantage to lift said head provided by said receiving chamber when receiving said fluid communicated from said reservoir chamber.    
   
   
       16 . The pillow of  claim 1  further comprising: 
 said pillow bing self adjusting to the to a cooperative shape similar to the dimensions of the head of said user placed upon it;    said self adjustment provided by equalization of fluid pressure in said receiving chamber to that of said reservoir chamber when said covering layer contacts said head of said user thereby ceasing flow from said reservoir chamber to said receiving chamber.    
   
   
       17 . The pillow of  claim 2  further comprising: 
 said pillow bing self adjusting to the to a cooperative shape similar to the dimensions of the head of said user placed upon it;    said self adjustment provided by equalization of fluid pressure in said receiving chamber to that of said reservoir chamber when said covering layer contacts said head of said user thereby ceasing flow from said reservoir chamber to said receiving chamber; and    said cooperative shape being maintained when said head is removed from said covering layer by said means to prevent fluid flow from said receiving chamber back into said reservoir chamber.    
   
   
       18 . The pillow of  claim 3  further comprising: 
 said pillow bing self adjusting to the to a cooperative shape similar to the dimensions of the head of said user placed upon it; and    said self adjustment provided by equalization of fluid pressure in said receiving chamber to that of said reservoir chamber when said covering layer contacts said head of said user thereby ceasing flow from said reservoir chamber to said receiving chamber.    
   
   
       19 . The pillow of  claim 4  further comprising: 
 said pillow bing self adjusting to the to a cooperative shape similar to the dimensions of the head of said user placed upon it;    said self adjustment provided by equalization of fluid pressure in said receiving chamber to that of said reservoir chamber when said covering layer contacts said head of said user thereby ceasing flow from said reservoir chamber to said receiving chamber; and    said cooperative shape being maintained when said head is removed from said covering layer by said means to prevent fluid flow from said receiving chamber back into said reservoir chamber.    
   
   
       20 . The pillow of  claim 1  further comprising: 
 a plurality of said reservoir chambers each communicating with a separate respective said receiving chamber in a plurality of said receiving chambers.    
   
   
       21 . The pillow of  claim 2  further comprising: 
 a plurality of said reservoir chambers each communicating with a separate respective said receiving chamber in a plurality of said receiving chambers.    
   
   
       22 . The pillow of  claim 2  further comprising: 
 a plurality of said reservoir chambers each communicating with a separate respective said receiving chamber in a plurality of said receiving chambers.    
   
   
       23 . The pillow of  claim 1  further comprising: 
 one or a combination of padding materials from a group of padding materials consisting of foam, batting, down, and feathers, also held in said interior cavity of said pillow.    
   
   
       24 . The pillow of  claim 2  further comprising: 
 one or a combination of padding materials from a group of padding materials consisting of foam, batting, down, and feathers, also held in said interior cavity of said pillow

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