Adjustable chair, in particular to prevent users from deep vein thrombosis (DVT)

Inactive Publication Date: 2006-02-16
JONAS ARNOLD P
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0015] In yet a further embodiment the chair further comprises means for controlling the moving means at least such that the moving means can move the forward cushions continuously or intermittently up and down and/or forwards and backwards. This feature is especially advantageous for disabled people, like paralyzed peopl

Problems solved by technology

Further for some users the simultaneous lifting of both legs is disadvantageous.
For example for pregnant women or overweight people, when lifting both legs undesired forces can be acted on their body.
Further some kind of disabled people can no

Method used

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  • Adjustable chair, in particular to prevent users from deep vein thrombosis (DVT)
  • Adjustable chair, in particular to prevent users from deep vein thrombosis (DVT)
  • Adjustable chair, in particular to prevent users from deep vein thrombosis (DVT)

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Experimental program
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Embodiment Construction

[0027] In FIGS. 1 and 2 a first embodiment of the adjustable chair 1 according to the invention is shown with the forward cushion assembly 19 in a traditional seated position (FIG. 1) and with the forward cushion assembly in a lifted, relaxed seated position (FIG. 2). In FIGS. 3 and 4 the chair 1 is shown with a person 7 sitting on it, in a position in which the legs 9, 11 of the user resting upon a floor 13 (FIG. 3) and in a position in which the legs 9, 11 are lifted off the floor 13 (FIG. 4).

[0028] As shown in FIGS. 1 and 2, the adjustable chair 1 includes a base 15 supporting an aft cushion assembly 17, a forward cushion assembly 19, and an upwardly extending seat back 21. In this embodiment the forward cushion assembly 19 comprises only one forward cushion 3. The aft cushion assembly 19 provides an aft upwardly facing surface 23. The forward cushion 3 provides a forward upwardly facing surface 25. The upwardly extending seat back 21 provides a front facing surface 29. The aft ...

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PUM

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Abstract

An adjustable chair for supporting a user in either a traditional seated position in which a pair of legs of the user rest upon a floor, or in a relaxed seated position in which at least one of the legs of the user are supported above the floor, provides a base supporting an aft cushion assembly, a forward cushion assembly, and an upwardly extending seat back which cooperate to support the user in a seated position. The forward cushion assembly being movably attached to the aft cushion assembly with a movement assembly which allows both horizontal and vertical movement of the forward cushion assembly. The aft cushion assembly being adjustable attached to the base with an adjustment assembly which allows adjustment of the angle of the aft cushion assembly.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] This invention relates generally to adjustable chairs, and more particularly to an adjustable chair for application in all places where people are sitting for a long period of time, like for example in computer work places as an office seat, in airplanes or busses as a passenger seat, or for disabled people to offer more comfort and to prevent users from Deep Vein Thrombosis (DVT). [0003] 2. Description of Related Art [0004] An adjustable chair has been developed to support the human body in a restful and comfortable position and in a relaxed seated position in which both legs of the user are lifted off the floor. Jonas, U.S. Pat. No. 6,578,915, teaches such an adjustable chair, which is especially meant for use in airplanes or busses where the lack of movement resulting from being confined to one's seat might contribute to medical conditions such as DVT, a condition which can be fatal. The known adjustable chair pr...

Claims

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Application Information

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IPC IPC(8): A47C7/14
CPCA47C1/023A47C7/506A61G5/1043A61G5/1067A47C7/024A61G5/12A61G2005/1045A61G2005/1048A61G2005/1054A61G5/1075A61G5/1045A61G5/1048A61G5/1054
Inventor JONAS, ARNOLD P.
Owner JONAS ARNOLD P
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