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10-18-2017

Seat Cushion Assembly and Personal Mobility Vehicle with such a Seat Cushion Assembly

SEAT CUSHION ASSEMBLY AND PERSONAL MOBILITY VEHICLE WITH SUCH A SEAT CUSHION ASSEMBLY (© European Patent Office)

The present invention refers to a seat cushion assembly (10), in particular for a personal mobility vehicle, comprising: a flexible envelope; and a thixotropic fluid contained within the flexible polymer envelope, the thixotropic fluid including a base fluid comprising an oil and a block polymer, the block polymer having a first portion that has an affinity to the oil and a second portion, the first and second portions interacting to provide a fluid viscosity that deforms under a generally constantly applied pressure and retains the deformed shape when the pressure is removed, the thixotropic fluid having concentration of nanoparticles configured to increase heat transfer from a seated user to provide a reduced temperature sensory effect. It also refers to a personal mobility vehicle, in particular in form of a wheelchair, having such a seat cushion assembly (10).

Document: EP3231406A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 03-30-2017
Publication date: 10-18-2017
Applicant: SUNRISE MEDICAL (US) LLC, US
Inventor: CHRISTOFFERSON JAMES, US ; HITE GARY, US


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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