Conveyors: power-driven – Conveyor arrangement for selecting among plural sources or... – By loading or unloading section at selected one of a...
Patent
1996-07-03
1998-09-08
Bidwell, James R.
Conveyors: power-driven
Conveyor arrangement for selecting among plural sources or...
By loading or unloading section at selected one of a...
198358, B65G 4746
Patent
active
058032304
ABSTRACT:
A loading/unloading belt movement monitoring device includes magnets integral with the transportation carriage for providing a magnetic field which changes in time as a function of the speed of the loading/unloading belt and sensors on the machine frame for generating a signal indicative of the changing magnetic field, and used to monitor the movement of the loading/unloading belt.
REFERENCES:
patent: 4815582 (1989-03-01), Canziani
patent: 4915209 (1990-04-01), Canziani
patent: 4938335 (1990-07-01), Canziani
patent: 5367446 (1994-11-01), Canziani
patent: 5588520 (1996-12-01), Affaticati et al.
Canziani Francesco
Soldavini Attilio
Bidwell James R.
Sandvik AB
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