发明授权
- 专利标题: Railroad switch stand
- 专利标题(中): 铁路开关架
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申请号: US294423申请日: 1989-01-09
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公开(公告)号: US4938438A公开(公告)日: 1990-07-03
- 发明人: Arthur W. Farrell , James A. Remington , Albert V. Fiorenzo , Ray Hoyer
- 申请人: Arthur W. Farrell , James A. Remington , Albert V. Fiorenzo , Ray Hoyer
- 申请人地址: IL Chicago
- 专利权人: ABC Rail Corporation
- 当前专利权人: ABC Rail Corporation
- 当前专利权人地址: IL Chicago
- 主分类号: B61L5/02
- IPC分类号: B61L5/02
摘要:
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.
公开/授权文献
- US5509992A Method of manufacturing a lithographically printed product 公开/授权日:1996-04-23