Automatic control system for a loading and unloading vehicle

Details Automatic control system for a loading and unloading vehicle Automatic control system for a loading and unloading vehicle

1979-01-15

1987-01-06

Blix, Trygve M.

Material or article handling

Plural, static structures for supporting discrete loads and...

Load-underlying members

104 88, B66G 100, B61J 300

Patent

active

046343326

ABSTRACT:
An automatic control system for a vehicle such as a fork lift truck automates the transportation, loading and unloading operations of the vehicle in a work area. Leader cables disposed in the work area are supplied with instruction signals of respectively different frequencies from terminal units in response to commands from a central control device. Any cable or a combination of two cables forms a ehicle guideway along which the travel of the vehicle is controlled by instruction signal pickup coils on the vehicle and along which loading and unloading stations for the vehicle are located. Loading and unloading are effected without using the leader cables, the necessary instruction signals then being received from the central control device by the vehicle from a coil disposed at the loading and unloading station.

REFERENCES:
patent: 2847080 (1958-08-01), Zwerykin et al.
patent: 3147817 (1964-09-01), Liban
patent: 3245493 (1966-04-01), Barrett
patent: 3406846 (1968-10-01), O'Connor
patent: 3486640 (1960-12-01), Lemelson
patent: 3519150 (1970-07-01), Kennon et al.
patent: 3669206 (1972-06-01), Tax et al.
patent: 3734226 (1973-05-01), Comer
patent: 3933099 (1976-01-01), Sieb
patent: 4015536 (1977-04-01), Sato

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