Rail Tie Plate with Spike Retention Capability
OwnerPaul M. Jansoninventor
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OwnerPaul M. Jansoninventor
Estimating the term…
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.
A railroad spike retention system for retaining spikes to rail ties, comprising:
The railroad spike retention system of claim 2, wherein the first plurality of holders include first box shapes attached to a first base plate attached to the outer side of the first raised ridge of the tie plate, and wherein the second plurality of holders include second box shapes attached to the outer side of the second raised ridge of the tie plate.
A railroad spike retention system for retaining spikes to rail ties, comprising:
A railroad spike retention system for retaining spikes to rail ties, comprising:
A railroad spike retention system for retaining spikes to rail ties, comprising:
A railroad spike retention system for retaining spikes to rail ties, comprising:
A railroad spike retention system for retaining spikes to rail ties, comprising:
A railroad spike retention system for retaining spikes to rail ties, comprising:
Dependencies are inferred from the claim text.