Conveyors: power-driven – Conveying system having plural power-driven conveying sections – With means for altering the speed of a section
Patent
1983-01-25
1986-02-25
Valenza, Joseph E.
Conveyors: power-driven
Conveying system having plural power-driven conveying sections
With means for altering the speed of a section
198781, 198784, 198789, 74404, B65G 3700
Patent
active
045723532
ABSTRACT:
A reversible conveyor wherein transmission of power is effected by a driving source to the conveyor, the conveyor being divided into two sections, wherein intermediate rollers are thrown from a drive position to a neutral position by a unit-load-controlled sensor in order to stop the unit load. Reversibility of the conveyor track is effected by placing in each section of the conveyor two intermediate rollers which act in opposite directions but always with only one of the intermediate rollers assuming the drive position.
REFERENCES:
patent: Re15626 (1923-06-01), Plonka
patent: 2701049 (1955-02-01), Kendall et al.
patent: 3537569 (1970-11-01), Leach
patent: 3842962 (1974-10-01), Grachev et al.
patent: 3933237 (1976-01-01), Rotterman
patent: 4215775 (1980-08-01), Gebhardt
patent: 4291796 (1981-09-01), Gebhardt
Gebhardt Fordertechnik GmbH
Holmes Jonathan D.
Valenza Joseph E.
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