Wide range accumulator conveyor
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United States of America Patent
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-
Aug 8, 1989
Issued Date -
N/A
app pub date -
Sep 18, 1987
filing date -
Nov 12, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fluid controlled and actuated belt driven, live roller, accumulator conveyor includes an improved article sensor and control valve, and accumulates articles of varying shape and weights of, for example, from less than 1 pound up to about 100 pounds with no fluid pressure adjustment. Loads of up to 300 pounds are handled merely by increasing fluid pressure and with no structural changes. An article sensor provides a significant mechanical advantage for operation of the control valve in each zone and, in conjunction with a normally open control valve, provides an accumulator for handling such wide range of article weights. A brake is pivoted directly on a tension roller pivot to brake an article when the tension roller is dropped out.
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