Self-propelled carrier conveyor having carrier distancing control
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United States of America Patent
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-
Aug 6, 1991
Grant Date -
N/A
app pub date -
Jan 18, 1990
filing date -
Jan 19, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A conveyor comprising a plurality of self-propelled carriers with each carrier having a distance sensor for stepwise detecting the distance between each carrier and a preceding carrier, and a device for controlling the speed of each carrier to maintain the distance within a predetermined range.
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