An elevator system includes at least two independently operable elevator cars in an elevator shaft. The elevator system controls loading of one of the car at ground floor level by moving the other car to a level below the ground floor level.
申请公布号
US8397873(B2)
申请公布日期
2013.03.19
申请号
US201113332540
申请日期
2011.12.21
申请人
SMITH RORY S.;HUFF RANDOLPH W.;PETERS RICHARD D.;POWELL BRUCE;THUMM GERHARD;THYSSEN ELEVATOR CAPITAL CORP.
发明人
SMITH RORY S.;HUFF RANDOLPH W.;PETERS RICHARD D.;POWELL BRUCE;THUMM GERHARD
