发明名称 Retractable platform device for use with subway trains and associated method
摘要 The device would be a metal or heavy-duty plastic retractable loading platform, designed to bridge the gap between the train car and the station platform. When not in use, the retractable platform would be retracted into a position of concealment beneath the door(s) of the train car. At the station, the device would move outward, either abutting or overlapping the station platform, just prior to the train door(s) opening.
申请公布号 US8020496(B1) 申请公布日期 2011.09.20
申请号 US20090381828 申请日期 2009.03.17
申请人 MAYSONET IGNACIO 发明人 MAYSONET IGNACIO
分类号 B61D47/00;B61D23/00 主分类号 B61D47/00
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