Tear detector for conveyor belt

Details Tear detector for conveyor belt Tear detector for conveyor belt

1990-09-12

1992-07-28

Dayoan, D. Glenn

Conveyors: power-driven

With alarm or indicator

198810, B65G 4300

Patent

active

051334488

ABSTRACT:
Apparatus 13 and a method of detecting a tear in a conveyor belt 10 are disclosed and claimed. The apparatus includes two pivotable arms 14 biased against the sides of the belt. Each arm is connected to a variable resistor 18, 19 connected into an electronic circuit. When there is a tear in the belt, the arm will pivot inwardly causing the resistance of its associated resistor to change. This change is processed by the circuit to generate a signal which may be used to interrupt electric power to an electric motor driving the belt.

REFERENCES:
patent: 3245520 (1966-04-01), Basolo et al.
patent: 3509986 (1970-05-01), Focke
patent: 3597756 (1971-08-01), Jackson
patent: 3913729 (1975-10-01), Andrews
patent: 3963115 (1976-06-01), Teske et al.

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