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US 8,840,035 B1Granted
Movable bridge joint, associated support and rail bridge panel containing same
AssigneeCleveland Track Material, Inc.
InventorsJames A. Remington, Karl E. Axthelm
Life of this patent
Estimating the term…
Abstract
The invention may be described as a rail bridge joint, associated guard plate assembly, and a bridge assembly incorporating same.
Claims18
A guarded rail section for a movable bridge rail joint, said arrangement comprising:
- a) a gage side guard plate having a gage side guard plate interior surface,
- b) a field side guard plate having a field side guard plate interior surface, said gage side guard plate and field side guard plate defining a rail channel;
- and
- c) a rail portion disposed in said rail channel and comprising a single machined billet having a gage side and a field side, a lead end, a terminal end, a tread-bearing surface and a lower portion, said lower portion having flat lateral sides and extending substantially the entire distance between said gage side guard plate interior surface and said field side guard plate interior surface, and said rail portion comprising a flangeway machined alongside said tread-bearing surface, wherein said gage side guard plate interior surface defines an insert channel along its top portion, and additionally comprising a top portion insert removably attached into said insert channel.
1 more element
A guarded rail section for a movable bridge rail joint, said arrangement comprising:
- a) a gage side guard plate having a gage side guard plate interior surface,
- b) a field side guard plate having a field side guard plate interior surface, said gage side guard plate and field side guard plate defining a rail channel;
- and
- c) a rail portion disposed in said rail channel and comprising a single machined billet having a gage side and a field side, a lead end, a terminal end, a tread-bearing surface and a lower portion, said lower portion having flat lateral sides and extending substantially the entire distance between said gage side guard plate interior surface and said field side guard plate interior surface, and said rail portion comprising a flangeway machined alongside said tread-bearing surface, wherein said top portion insert comprises a top portion interior surface, and wherein said top portion interior surface is substantially co-extensive with said gage side guard plate interior surface.
1 more element
Dependencies are inferred from the claim text.