- 专利标题: Rail tie plate with spike retention capability
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申请号: US17503297申请日: 2021-10-16
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公开(公告)号: US11359335B2公开(公告)日: 2022-06-14
- 发明人: Paul M. Janson
- 申请人: Paul M. Janson
- 申请人地址: US CA Porter Ranch
- 专利权人: Paul M. Janson
- 当前专利权人: Paul M. Janson
- 当前专利权人地址: US CA Porter Ranch
- 代理机构: Law Offices of Brian S. Steinberger, P.A.
- 代理商 Brian S. Steinberger; Hilary F. Steinberger
- 主分类号: E01B9/12
- IPC分类号: E01B9/12 ; E01B9/06
摘要:
Apparatus, devices, assemblies, systems and methods of using w spring clips over spikes for holding railroad tie spikes down to wood and concrete railroad ties and hold the spike heads to the rails. A first embodiment can use rail tie plates with box holders for holding end portions of a w shaped spring steel clip to press against cap heads of railroad tie spikes. A second embodiment can use a rail tie plates with vertical supports for horizontal bars over heads of railroad tie spikes. A third embodiment can use rail tie plates with vertical studs and upper threaded ends with flat plates attached by nuts over heads of rail road tie spikes, and with cotter pins locking the nuts in place. Additional embodiments include metal structures fastened, welded and/or forged to tie plates for allowing w shaped spring clips with mid portions that hold down heads on spikes to prevent the spikes from coming out.
公开/授权文献
- US20220120040A1 Rail Tie Plate with Spike Retention Capability 公开/授权日:2022-04-21
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