A railroad switch stand for moving switch points between a pair of stock rails having a worm and gear drive connection between an operator driven input shaft and an output shaft connected to the switch points.
申请公布号
CA1321257(C)
申请公布日期
1993.08.10
申请号
CA19890608817
申请日期
1989.08.18
申请人
ABC RAIL CORPORATION
发明人
FARRELL, ARTHUR W.;REMINGTON, JAMES A.;HOYER, RAY;FIORENZO, ALBERT V.
