Power-and-free trolley conveyor
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United States of America Patent
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Jul 31, 1984
Grant Date -
N/A
app pub date -
Nov 17, 1981
filing date -
Nov 28, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A power-and-free trolley conveyor comprising a power line rail, a free line rail disposed immediately below the power line rail, another free line rail provided at one side of the free line rail in parallel thereto, and carriers suspended from the free line rails and each thereby supported at its opposite sides.
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