发明名称 Automatic hopper car gate opening and closing system
摘要 A hopper car gate with a frame, a door supported by the frame and horizontally moveable between open and closed positions, a rack mounted to the door, and first and second shafts supported by the frame. A first gear mounted to the first shaft engages the rack. Second and third mating gears are mounted to the first and second shafts, respectively. A hopper car with first and second hopper car gates mounted to first and second hoppers, respectively. Doors of the gates move horizontally to an open position in opposite directions from each other with shaft rotation in the same direction. A hopper car gate opening and closing system including a hopper car gate with a pair of shafts, a gear mounted on each shaft, and racks that are positioned to engage the gears as the gate moves with respect to the racks.
申请公布号 US9358988(B2) 申请公布日期 2016.06.07
申请号 US201314103959 申请日期 2013.12.12
申请人 AERO TRANSPORTATION PRODUCTS, INC. 发明人 Early Stephen R.
分类号 B61D7/00;B61D7/20;B61D7/02 主分类号 B61D7/00
代理机构 Stinson Leonard Street LLP 代理人 Stinson Leonard Street LLP
主权项 1. A hopper car gate comprising: a frame comprising first and second sides, wherein the frame defines an opening positioned between the first and second sides; a door supported by the frame adjacent the opening, wherein the door is horizontally moveable between open and closed positions; a rack mounted to the door; a first shaft supported by the frame and extending outward from the first side of the frame; first and second gears mounted to the first shaft, wherein the first gear engages the rack; a second shaft supported by the frame and extending outward from the second side of the frame; and a third gear mounted to the second shaft, wherein the third gear engages the second gear.
地址 Independence MO US