Self-propelled carrier conveyor having carrier distancing contro

Details Self-propelled carrier conveyor having carrier distancing contro Self-propelled carrier conveyor having carrier distancing contro

1990-01-18

1991-08-06

Bucci, David A.

Railway switches and signals

Cab signal or train control

Magnetic rail

33712, 246187C, 104299, B60T 722, B60L 1532

Patent

active

050370456

ABSTRACT:
A conveyor comprising a plurality of self-propelled carriers with each carrier having a distance sensor for stepwise detecting the distance between each carrier and a preceding carrier, and a device for controlling the speed of each carrier to maintain the distance within a predetermined range.

REFERENCES:
patent: 2762913 (1956-09-01), Jepson
patent: 2804160 (1957-08-01), Rashid
patent: 3272982 (1966-09-01), Stewart
patent: 3365572 (1968-01-01), Strauss
patent: 3790780 (1974-02-01), Helmcke et al.
patent: 4335432 (1982-06-01), Pue
patent: 4385836 (1983-05-01), Schmitt
patent: 4941555 (1990-07-01), da Silva Antunes
patent: 4947759 (1990-08-01), Uhl

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