发明名称 Hopper car gate with a curved door
摘要 A hopper car gate with a curved door for discharging cargo from a hopper car. The gate has coupled side walls and end walls which present a top opening, bottom opening, and upper surface surrounding the top opening and adapted to be joined to the hopper car. A curved rail extends between and is coupled with the end walls adjacent the bottom opening. A curved door is supported on the rail. The door is moveable between a closed position which blocks the bottom opening and an open position which allows the cargo to exit through the bottom opening.
申请公布号 US7819067(B2) 申请公布日期 2010.10.26
申请号 US20080077899 申请日期 2008.03.21
申请人 AERO TRANSPORTATION PRODUCTS, INC. 发明人 EARLY STEPHEN R.
分类号 B61D7/20;B61D7/24 主分类号 B61D7/20
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