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公开(公告)号:US07010825B1
公开(公告)日:2006-03-14
申请号:US10924347
申请日:2004-08-24
IPC分类号: E01D15/10
CPC分类号: A61G3/061 , A61G3/067 , B66B9/0869 , E04F11/002 , E04F2011/005
摘要: A telescoping ramp assembly incorporates one or more sloping deck ramp sections which nest inside one another; are mounted on wheels; and have pull-up/fold-down railing sections which rise/lower and link/unlink as the ramp sections, powered manually or by way of a motor, retract and extend upon a firm surface from underneath a housing porch which itself is fixed to the entrance way of a home or building.
摘要翻译: 伸缩斜坡组件包括一个或多个彼此嵌套的倾斜甲板斜坡部分; 安装在车轮上; 并且具有上拉/下降的栏杆部分,其作为斜面部分起升/下降并且连接/取消连接,由手动或通过马达驱动,从固定的表面收缩并延伸到固定表面上,该固定表面本身固定到 一个家庭或建筑物的入口方式。