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Chair with inflatable cellular insert

a technology of inflatable cellular inserts and chairs, which is applied in the field of chairs, can solve the problems of back discomfort and buttock discomfor

Inactive Publication Date: 2005-07-14
ROHO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0005] In another aspect of the invention, the seat cushion is employed in an easy chair, lounge chair or recliner. The inflatable air cell pad cushion is operatively connected to a pump such as the one described. Alternatively, in another aspect of the invention, the inflatable air cell pad can be connected to an automatic pump, such as a small electric pump. The pump is operatively connected to a controller. The seated user can actuate the controller to set the inflation level of a desired level for optimal support and comfort.

Problems solved by technology

Sitting on a chair for long periods of time can result in discomfort in the buttocks, particularly at high pressure points such as the ischia and bony prominences.
It also can cause discomfort in the back, for example, the spine, shoulders and shoulder blades.

Method used

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  • Chair with inflatable cellular insert
  • Chair with inflatable cellular insert
  • Chair with inflatable cellular insert

Examples

Experimental program
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Embodiment Construction

[0027] A chair, employing a seat cushion of the present invention is indicated generally in FIG. 1 by reference numeral 20. Chair 20, in the embodiment of FIG. 1, is configured like a conventional office chair. However chair 20 can be of any acceptable configuration and, at a minimum includes a seat cushion 21. Chair 20 also includes a backrest 23. Chair 20, as shown, includes a floor engaging base 25 having casters 27 and an upwardly extending pedestal 29 connected to a pan 30 (FIG. 3) on which the seat cushion is mounted. Pedestal 29 generally is connected to pan 30 by a swivel connection (not shown).

[0028] Backrest 23 includes a structural frame (not shown) and is attached to the seat pan by an appropriate brace 31 or the like. In most embodiments, base 25, casters 27, pedestal 29, pan 30, brace 31 and the backrest frame are constructed of metal. Hence, the backrest is padded for comfort, as is the seat cushion, as will be explained below, and both are enclosed by an acceptable ...

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PUM

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Abstract

A chair having a backrest and seat with a seat cushion including a base with an inflatable air cell pad positioned securely within the base so as to be positioned under the areas of high-pressure areas on the buttocks of a normally positioned user. The inflatable air cell pad is operatively connected to a pump device having an external control on the chair for access by a seated user of the chair. The user can sit on the chair seat and inflate or deflate the air cell pad for optimal support and comfort. In one aspect of the chair the pump is an electric pump. In one aspect of the chair, the backrest also comprises a base with an inflatable air cell pad.

Description

CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application is a continuation-in-part of application Ser. No. 10 / 896,572, filed Jul. 22, 2004, which claims the benefit of provisional patent application Ser. No. 60 / 489,041, filed Jul. 22, 2003, both of which are incorporated herein by reference.BACKGROUND OF THE INVENTION [0002] The invention relates generally to furniture and more specifically to a chair cushion that provides improved pressure distribution and reduced pressure at high pressure points. [0003] Sitting on a chair for long periods of time can result in discomfort in the buttocks, particularly at high pressure points such as the ischia and bony prominences. It also can cause discomfort in the back, for example, the spine, shoulders and shoulder blades. Although a number of chairs are available having padding or the like, it would be beneficial to provide a chair that includes a seat cushion that provides improved pressure distribution and reduced pressure at high pre...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A47C7/14
CPCA47C7/144A47C7/14
Inventor SPROUSE, ANTHONY
Owner ROHO
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