US PATENT SUBCLASS 238 / 218
.~ Tread bridge
Current as of: June, 1999
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| 238 / | HD | RAILWAYS: SURFACE TRACK |
|
| 151 | DF | RAIL JOINTS {28} |
| 218 |  | .~ Tread bridge {7} |
| 219 | DF | .~.~> Rail-head insert |
| 220 | DF | .~.~> Rail-head cover |
| 221 | DF | .~.~> Notched head {1} |
| 223 | DF | .~.~> Head section {1} |
| 225 | DF | .~.~> Rail section {1} |
| 227 | DF | .~.~> Spacer {1} |
| 229 | DF | .~.~> Web posts |
DEFINITION
Classification: 238/218
A joint member which takes the load of the traction-wheels off the tread-surfaces of the abutting rail ends.
(1) Note. This subclass includes most of this type in which the rail-sections are not changed.