Safety trolley restraint system for railroad bridges having pivo

Details Safety trolley restraint system for railroad bridges having pivo Safety trolley restraint system for railroad bridges having pivo

1993-01-07

1994-07-05

Oberleitner, Robert J.

Railways

Monorail

With side guides

104246, 104247, 105144, 1051571, B61B 1304

Patent

active

053257880

ABSTRACT:
A safety trolley restraint system for easy attachment to the rail of a railroad track crossing a bridge includes a trolley carriage with opposed rollers clampable to the rail so as to hold the trolley on the rail while permitting rolling movement of the trolley on the rail and provides a movable attachment point for the end of a safety line of a personnel safety harness. The carriage includes two halves pivoted together which may be opened to remove the trolley from the rail and closed and locked to secure the trolley to the rail. The trolley restraint attachment point is preferably swingable from side to side with respect to the rail and includes a swiveling mounted attachment eye for the personnel safety line.

REFERENCES:
patent: 152145 (1874-06-01), McGlashan
patent: 287458 (1883-10-01), Olmsted
patent: 1087773 (1914-02-01), Johnson
patent: 2731922 (1956-01-01), Robb
patent: 2761396 (1956-09-01), Harlan
patent: 4410175 (1983-10-01), Shamp
patent: 4767091 (1988-08-01), Cuny
patent: 5224427 (1993-07-01), Riches et al.

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