发明名称 Apparatus for operating commodity trailer hopper trap doors
摘要 An apparatus for operating first and second commodity trailer hopper trap doors is provided that includes a support frame extending between first and second ends, first and second driveshaft assemblies attached at each end of the support frame, a motor assembly attached to the support frame, and first and second linking mechanisms coupled between the motor assembly and the first and second driveshaft assemblies such that the motor assembly is operable to move the first and second linking mechanisms and thereby rotate the first and second driveshaft assemblies, thus operating the commodity trailer hopper trap doors. Various embodiments of the apparatus are provided.
申请公布号 US7059683(B2) 申请公布日期 2006.06.13
申请号 US20050126992 申请日期 2005.05.11
申请人 GRIER RALPH ELLIS 发明人 GRIER RALPH ELLIS
分类号 B60P1/56;B60P1/04;B60P1/36;B61D7/00 主分类号 B60P1/56
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