Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1999-01-19
2000-10-17
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Endless conveyor
19881004, B65G 4300
Patent
active
061317276
ABSTRACT:
The conveyor belt monitor is composed of a pair of rollers resiliently mounted on a frame vertically aligned above and below the conveyor belt and which extend horizontally across the width of the belt, positioned on the return loop of the belt. The rollers are movable vertically in a direction perpendicular to the direction of belt movement. The roller shafts are connected to limit switches so that an upward movement of the top roller or a downward movement of the bottom roller shuts down the conveyer and, optionally, signals an alarm to the operator of the belt. The sensitivity of the monitor, or clearance between the belt and the rollers, is adjustable by the operator.
REFERENCES:
patent: 2345415 (1944-03-01), Nagy, Jr.
patent: 2510163 (1950-06-01), Wood
patent: 4088222 (1978-05-01), Hurt
patent: 4258840 (1981-03-01), Conkle
patent: 4462523 (1984-07-01), Kerr
patent: 4564099 (1986-01-01), Uozumi
patent: 5647640 (1997-07-01), Heintzmann et al.
Litman Richard C.
Valenza Joseph E.
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