Conveyors: power-driven – Conveyor section – Live roll
Patent
1978-06-23
1980-12-09
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Live roll
198789, B65G 1306
Patent
active
042380294
ABSTRACT:
An accumulating conveyor is disclosed which employs a plurality of article carrying rollers defining a plurality of accumulating zones arranged along the conveyor. Clutch wheels disposed along the length of the conveyor are continuously rotated by drive belt means and are mounted for pivotal movement between driving positions wherein each clutch wheel engages at least one carrier roller in driving relation therewith and second nondriving positions spaced from the associated carrier rollers. At least one article sensor is mounted within each zone and controls pivotal movement of the clutch wheels in the next adjacent upstream zone so that stoppage of an article in any zone will effect disengagement of the clutch wheels in the adjacent upstream zone with substantially zero pressure engagement between accumulated articles on the conveyor.
REFERENCES:
patent: 3612248 (1971-10-01), Wallis
patent: 3939962 (1976-02-01), Gebhardt
patent: 4091916 (1978-05-01), Warner
patent: 4103769 (1978-08-01), Jorgensen
patent: 4108303 (1978-08-01), Vogt et al.
patent: 4108304 (1978-08-01), McKnight et al.
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