Derailment protection apparatus

Details Derailment protection apparatus Derailment protection apparatus

2005-12-07

2008-12-09

Olson, Lars A (Department: 3617)

Railways

Derailment guards

C104S243000, C105S215100

Reexamination Certificate

active

07461599

ABSTRACT:
The disclosed is a derailment protection apparatus that may comprise a wheel guiding member or a rail contact member having an inclined surface, a descending device to descend the wheel guiding member or the rail contact member, and wherein the inclined surface comes in contact with a rail, when the descending device operates. The derailment protection apparatus may return a wheel of a rolling stock to be deviated from a rail to a normal position, when the rolling stock with a bogie receives an abnormal vibration due to such as earthquake.

REFERENCES:
patent: 777190 (1904-12-01), Edwards
patent: 943665 (1909-12-01), Edwards
patent: 2431062 (1947-11-01), McCormick et al.
patent: 3831527 (1974-08-01), Peterson
patent: 4305336 (1981-12-01), Hunsberger et al.
patent: 5188038 (1993-02-01), Shanley
patent: 6860453 (2005-03-01), Moretti et al.

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