Conveyors: power-driven – Conveyor section – Live roll
Patent
1992-10-14
1994-09-20
Gastineau, Cheryl L.
Conveyors: power-driven
Conveyor section
Live roll
198790, B65G 1306
Patent
active
053481399
ABSTRACT:
A counter-balanced pressure sensor for sensing a package carried by a belt-driven carrying roller conveyor includes a pivot support with a sensing roller attached. The sensing roller is deflected downward by the passage of the package on the conveyor, causing the pivot support to pivot downward, causing a feeler arm attached to the pivot support to contact a sensitive whisker valve mounted beneath the conveyor top surface. The conveyor includes a plurality of zones, all but one of which has one of the pressure sensors. When the pressure sensors in one or more succeeding zones detect the presence of a package in each of their associated zones, the belt drive in a preceding zone is disconnected from the rollers in that zone, putting the preceding zone into an accumulation mode. Each pressure sensor is sensitivity adjustable by adjusting a threaded connector for a counter balance positioned opposite the sensing roller on the pivot support. The pressure sensors are interchangeable with any of the conveyor carrying rollers so they can be positioned at any desired point along the conveyor.
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Beeny Steven K.
May Arthur D.
Szarkowski Stephen D.
Gastineau Cheryl L.
Uniflo Conveyor, Inc.
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