发明名称 Railway car trap door lift
摘要 A railway car includes conventional steps leading from a lower station platform to the floor level in a vestibule. A lift platform adapted to receive a seat or wheel chair is provided to lift a handicapped person who has difficulty going up or down steps. A motor is provided for moving the lift platform over the steps between the lower level and floor level while maintaining it in a horizontal position.
申请公布号 US4273498(A) 申请公布日期 1981.06.16
申请号 US19790092439 申请日期 1979.11.07
申请人 THE BUDD COMPANY 发明人 DICKHART, III, WILLIAM W.;MARVIN, RICHARD H.
分类号 B60R3/00;A61G3/06;B60P3/00;B61D23/00;B61D47/00;(IPC1-7):B60P1/44;B60P3/06;B61D3/06 主分类号 B60R3/00
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