Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1990-09-05
1992-04-28
Werner, Frank E.
Material or article handling
Self-loading or unloading vehicles
Conveyor
414439, 414491, 414498, 414786, 198301, 198310, 56DIG15, 3649252, 340673, B60P 138
Patent
active
051082500
ABSTRACT:
A system and method for controlling an automatic loading/unloading material mover. The mover includes a wheeled vehicle having a tiltable bed with a live floor and a non-driven wheel and is used to load and unload heavy objects, such as cotton modules. Pulse-generating magnetic sensors are used to measure the displacement of both the non-driven wheel, and hence the vehicle, and the live floor. The displacement of the live floor is controlled by the synchronization system and method which includes a digital processor to match the displacement of the vehicle so that heavy modules being loaded or unloaded are not torn apart.
REFERENCES:
patent: 3209932 (1965-10-01), Schiltz
patent: 4081094 (1978-03-01), Pereira et al.
patent: 4243353 (1981-01-01), Reed
patent: 4372725 (1983-02-01), Moore et al.
patent: 4441848 (1984-04-01), Bailey
patent: 4768636 (1988-09-01), Ito et al.
"A New Era of Application for the Wiegand Effect", John E. Opie and Jon W. Bossoli, SAE Technical Paper No. 880406 given at International Congress and Exposition, Feb. 29, Mar. 4, 1988.
Fewin, Jr. Fred A.
Masten Billy R.
Masten Larry B.
Anderson & Bigham
Werner Frank E.
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