Accumulation conveyors

In an accumulation conveyor comprising load-carrying rollers, a roller drive is so devised that all rollers under one and the same load at a time are either being positively driven by, or are disengaged from, the said drive. Mechanism controlling engagement of the drive comprises a combination of a...

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Bibliographic Details
Main Authors DOLLING; VICTOR E, BENTLEY; DAVID P
Format Patent
LanguageEnglish
Published 01.11.1988
Edition4
Subjects
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
PACKING
PERFORMING OPERATIONS
PNEUMATIC TUBE CONVEYORS
SHOP CONVEYOR SYSTEMS
STORING
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
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Summary:In an accumulation conveyor comprising load-carrying rollers, a roller drive is so devised that all rollers under one and the same load at a time are either being positively driven by, or are disengaged from, the said drive. Mechanism controlling engagement of the drive comprises a combination of a clutch-actuating linkage and a priming linkage which prepares the actuating linkage for operation. The mechanism may be positively actuable by a return spring of a sensor device, for example a roller depressable by a load. An assembly of load-carrying rollers may have sprockets drivable by a standard-width chain movable in a constant line. The mechanism may include a transversely movable dogclutch part which forms part of a continuously rotating sprocket assembly engageable with and disengageable from a load-carrying roller, the said clutch part passing through an opening in the sprocket so that the positive drive is picked-up and positively transmitted to the roller.
Bibliography:Application Number: US19870013156