Conveyors: power-driven – Conveyor system for moving a specific load as a separate unit – System includes control means responsive to sensing means
Patent
1978-06-12
1980-01-15
Nase, Jeffrey V.
Conveyors: power-driven
Conveyor system for moving a specific load as a separate unit
System includes control means responsive to sensing means
198486, 414752, B65G 4736, B65G 4761
Patent
active
041834275
ABSTRACT:
Conveyor load transfer apparatus, including a follow-up carriage movable in the direction in which a conveyor moves and driven by a double-acting cylinder. A transverse carriage is supported on the follow-up carriage and is movable perpendicular to the running direction of the conveyor, being driven back and forth by a transverse motor mounted on the follow-up carriage. An article-handling segment, driven up and down by an elevation drive source, is mounted on the transverse carriage. A follow-up detector is mounted on the follow-up carriage to generate deviation signals representing relative positions of the follow-up carriage and an article-supporting device of the conveyor. A double-acting cylinder expands and contracts according to the motion of the follow-up carriage, and is connected to a pressure-compensating solenoid flow-rate regulating valve with a check valve connected between the two ports thereof. The elevation drive source includes two individually controlled double-acting air cylinders arranged in series, one air cylinder having a buffering device including a check valve connected between the two ports thereof and a throttle valve, with a check valve, connected to the rod-side port thereof.
REFERENCES:
patent: 2525572 (1950-10-01), Woody et al.
patent: 3283918 (1966-11-01), Devol
patent: 3884363 (1975-05-01), Ajlouny
patent: 4005782 (1977-02-01), Crockett
Nase Jeffrey V.
Tsubakimoto Chain Co.
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