Patent ID: 6971834
Filing Date: 2005-12-06
Classification: A61G,Y10S

Abstract:
1. A wheelchair lift for a vehicle, the wheelchair lift comprising: (a) an attachment assembly with first and second portions; (b) a first platform coupled to a support structure by the first portion of the attachment assembly comprising a first primary support, the first platform reciprocal between a stowed position and an extended position, wherein the first platform is in a first plane; (c) a second platform coupled to the first platform by the second portion of the attachment assembly comprising a second primary support, the second platform reciprocal between a stowed position and an extended position, wherein the second platform is substantially in the first plane; (d) a first redundant support assembly in communication with the first platform to provide a first secondary support of the first platform when the first platform is in the extended position and to maintain the first platform in a second plane substantially parallel to the first plane if the first portion of the attachment assembly fails; and (e) a second redundant support assembly in communication with the second platform to provide a second secondary support of the second platform when the second platform is in the extended position and to maintain the second platform substantially in the second plane if the second portion of the attachment assembly fails, wherein the second redundant support assembly comprises: