Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Frei0
Date of Patent
June 11, 2019
Patent Application Number
15123885
Date Filed
March 4, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention relates to a stand-up wheelchair, comprising a chassis and a stand-up frame articulated to the chassis. The stand-up frame comprises a first and a second parallelogram lever whose front ends are articulated to the chassis and can be pivoted around a first and a second joint point, and upon whose rear ends the backrest is hinged at a third and fourth joint point.
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