Patent ID: 6203266
Filing Date: 2001-03-20
Classification: A61G,B60P,Y10S

Abstract:
A platform safety barrier for a wheelchair lift having a platform with an outer edge, the safety barrier comprising:a. a roll stop plate pivotally mounted to said outer edge of said platform;b. an elongated linkage rod having one end pivotally connected to said roll stop plate;c. spring means connected to another end of said elongated linkage rod;d. a motor mounted to said platform and having driving means connected to said spring means for automatically moving said roll stop plate between an open position and a closed position depending on the position of said platform; ande. said spring means being compressible and extendible under manual force to allow said roll stop plate to be manually moved between said open position and said closed position while said driving means is still connected to said spring means;f. whereby said safety barrier prevents a wheelchair from inadvertent movement across said outer edge of the platform as the platform is raised or lowered.