Railway switches and signals – Cab signal or train control – Train defect
Patent
1977-09-01
1978-10-10
Blix, Trygve M.
Railway switches and signals
Cab signal or train control
Train defect
116DIG38, B61K 904
Patent
active
041192842
ABSTRACT:
A warning indicator including a housing attachable to the wheel and axle assembly of a railway car. An ejector assembly in the housing is spring biased to deploy a visual indicator in the presence of abnormal bearing temperatures. A fusible retainer, upon being subjected to abnormal temperatures, releases a stem of the ejector assembly which carries a visible indicator, such as a streamer, outwardly into the airstream for display in a highly visible manner. The indicator housing is provided with tool receiving surfaces to facilitate indicator installation and removal.
REFERENCES:
patent: 2952238 (1960-09-01), Barber
patent: 3790777 (1974-02-01), Pelino
Blix Trygve M.
Eisenzopf Reinhard J.
Givnan, Jr. James D.
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