Three-axis adjustable back support assembly and method
The back of a wheelchair user is independently supported along and about three mutually perpendicular axes. Two elongated adjustment arms are pivotally connected to extension arms which telescope into opposite ends of a hollow connecting tube. The support positions along and about the three axes is...
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creator | BIEGANEK JOSEPH S STEVENS REX W HETZEL THOMAS R VIELBIG ERIC H |
description | The back of a wheelchair user is independently supported along and about three mutually perpendicular axes. Two elongated adjustment arms are pivotally connected to extension arms which telescope into opposite ends of a hollow connecting tube. The support positions along and about the three axes is achieved by pivoting the arms and the connected relationships of a back shell and cushion to the connecting tube, while the adjustment arms remain pivotally connected to the wheelchair and the extension arms are telescopically retained in the connecting tube. |
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subjects | BEDS CHAIRS CHAIRS FOR DENTISTRY COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FUNERAL DEVICES FURNITURE HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE OPERATING TABLES OR CHAIRS SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORT OR ACCOMODATION FOR PATIENTS |
title | Three-axis adjustable back support assembly and method |
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