Powered roller conveyor with drive disengaging means

Details Powered roller conveyor with drive disengaging means Powered roller conveyor with drive disengaging means

1979-08-02

1981-04-28

Rowland, James L.

Conveyors: power-driven

Conveyor section

Live roll

B65G 13071, B65G 13075

Patent

active

042640059

ABSTRACT:
A powered roller conveyor wherein a plurality of conveyor rolls are formed as elongated sleeves and are freely rotatably supported on support shafts which are slightly undersized relative to the sleeves. At least some of the support shafts are rotatably driven. The conveyor incorporates at least one zone having a brake or lifting device disposed below the conveyor rolls and liftable upwardly a small amount to thereby engage the conveyor rolls to drivingly disengage same from the continuously driven support shafts to permit stoppage of the conveyor rolls and the articles supported thereon. This lifting device accomplishes stopping of selected conveyor rolls and articles while permitting continuous driving of the support shafts throughout the conveyor.

REFERENCES:
patent: 1900150 (1933-03-01), Anderson
patent: 2360708 (1944-10-01), Muddiman
patent: 3232415 (1966-02-01), Gotham
patent: 3337023 (1967-08-01), Kohl et al.
patent: 3563721 (1971-02-01), Ritter
patent: 3756376 (1973-09-01), Kurger et al.
patent: 4006815 (1977-02-01), Werntz
patent: 4096942 (1978-06-01), Shepherd
patent: 4174777 (1979-11-01), Riehle

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