Travel control system for transport movers
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United States of America Patent
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-
Feb 27, 2001
Grant Date -
N/A
app pub date -
Sep 3, 1998
filing date -
Aug 2, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A proximity sensor (22), which generates an alternating current magnetic field in the direction of a guide rail (B) and detects a detection object by a loss of energy caused by a current which this alternating current magnetic field generates to flow to the detection object, is provided at the front end of each transport mover (V); a rear-end collision prevention detection plate (23), which enters between the guide rail (B) and the proximity sensor (22), is provided at the rear end of each transport mover (V); and a stopping device (W), which faces toward the proximity sensor (22) and forms a resonant circuit resonating at the generation frequency of the proximity sensor (22), is provided at a mover stopping location on the guide rail (B).
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