Railways: surface track – Guardrails
Patent
1992-06-15
1993-08-17
Oberleitner, Robert J.
Railways: surface track
Guardrails
104242, E01B 500
Patent
active
052361250
ABSTRACT:
A support block for a guard rail assembly has a vertical wall with non parallel front and rear surfaces. A pair of spaced legs project laterally from the front surface of the vertical wall. One of the legs has inner and outer side walls which are joined by an outer end wall. The inner and outer side walls extend different distances from the front surface such that the outer end wall tapers and is non parallel to the front surface.
REFERENCES:
patent: 457518 (1891-08-01), Morrell
patent: 658131 (1900-09-01), Swanson
patent: 1126528 (1915-01-01), Liebmann
patent: 3716114 (1973-02-01), Beck
Remington James A.
Young Keith
ABC Rail Corporation
Baker Jr. Thomas S.
Oberleitner Robert J.
Rutherford Kevin D.
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