发明名称 Step-shaped staircase lift for personal use and transport of goods
摘要 A lift using a step-shaped shaft for raising and lowering a person or goods on a platform over one or more steps from one elevation to another elevation. The lift is especially suited for use over porches and raised thresholds of buildings and in and out of vehicles. The lift is suitable for use by persons without or without a wheelchair.
申请公布号 US7484595(B2) 申请公布日期 2009.02.03
申请号 US20060475506 申请日期 2006.06.27
申请人 SCHROEDER SCOTT;SCHROEDER SHAROLYN 发明人 SCHROEDER SCOTT;SCHROEDER SHAROLYN
分类号 B66B9/08 主分类号 B66B9/08
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