Railway double tongue switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 17, 1981
Grant Date -
N/A
app pub date -
Mar 5, 1979
filing date -
Mar 5, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A double tongue switch comprises a pair of identical and interchangeable switch assemblies, each of which has a rectangular body with vertical outer walls. Each switch tongue includes a pair of full-width railheads of increased thickness. Each body includes a continuous central support wall beneath the traffic-carrying tongue railhead. The inner end and side walls are ramped to facilitate removal of debris. The tongues are positively locked in extreme positions and are mounted on the bodies by an improved attachment device.
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Cited Art Landscape
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