Materials handling system

Details Materials handling system Materials handling system

1994-08-17

1996-02-20

Werner, Frank E.

Material or article handling

Marine loading or unloading system

Marine vessel to/from shore

4141394, 406 82, B63B 2700

Patent

active

054924537

ABSTRACT:
A materials handling system is disclosed which includes a pneumatic conveyor which feeds material onto a series of belt conveyors. The pneumatic conveyor includes a vertically movable nozzle for sucking up the material to be conveyed. Power is supplied to one of the belt conveyors from a power source and through that conveyor to the conveyors upstream of it. The pneumatic conveyor is connected to the first of the belt conveyors of the series so that it receives a signal indicating whether the first belt conveyor is powered. In the event that the signal received by the pneumatic conveyor indicates that the first belt conveyor is not powered, and the pneumatic conveyor is set for automatic operation, the nozzle is automatically lifted. Lifting continues for a predetermined period so that the nozzle is lifted clear of the material. Only when power is restored to the first belt conveyor, and this is signalled to the pneumatic conveyor, can the nozzle be lowered again.

REFERENCES:
patent: 2510163 (1950-06-01), Wood
patent: 3198353 (1965-08-01), McDowell
patent: 3231064 (1966-01-01), Towels
patent: 3725867 (1973-04-01), Jordan
patent: 4037335 (1977-07-01), Sandberg
patent: 4475848 (1984-10-01), Truninger
patent: 4609309 (1986-09-01), Aralt
patent: 4659262 (1987-04-01), Van Aalst
patent: 5293986 (1994-03-01), Mouritzen et al.

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