Safety coupler-air brake interlock
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United States of America Patent
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Mar 29, 1994
Grant Date -
N/A
app pub date -
Jun 11, 1992
filing date -
Jun 11, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safety interlock for an intermodal train has a locking pin shiftable for locking a coupling pin in a coupling position. An air valve is associated with the locking pin for providing an air pressure signal when the locking pin is retracted, which signal actuates another air valve for venting the brake pipe of a braking system.
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