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US 2006/0124024 A1Published application
Derailment protection apparatus
OwnerMasato Hachikawainventor
Life of this patent
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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.
Claims20
A derailment protection apparatus comprising:
- 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.
1 more element
A derailment protection apparatus comprising:
- an abnormal vibration responsive device to detect an abnormal vibration more than a predetermined allowable range;
- a wheel guiding device having a wheel guiding member (or a rail contact member) with an inclined surface;
- and
- wherein the inclined surface is descended to a functioning position to come in contact with a rail and the inclined surface guides a wheel to return on the rail.
1 more element
Dependencies are inferred from the claim text.