发明名称 Regional boarding ramp for commuter aircraft
摘要 A walkway having a series of fixed height corridor units and an inclined gangway unit at its forward end. The units are articulatingly connected and selectively collapsible. The gangway is selectively variable in height, being provided with elevating means at its front end, to permit docking at the raised door sill of the commuter aircraft.
申请公布号 US7069611(B2) 申请公布日期 2006.07.04
申请号 US20010854082 申请日期 2001.05.11
申请人 INFRA-STRUCTURES, INC 发明人 LARSON JAMES
分类号 E01D1/00;B64F1/30;B64F1/305;B64F1/315 主分类号 E01D1/00
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