Chain tensioning device for bindery lines

Details Chain tensioning device for bindery lines Chain tensioning device for bindery lines

1997-08-29

1999-07-06

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Endless conveyor

198644, 270 5214, B65G 2344

Patent

active

059187298

ABSTRACT:
A bindery gathering chain and conveyor apparatus with a first and second idling sprocket mounted in fixed relation to one another to define first and second fixed reference points and an endless conveyor chain which rides on the first and second idling sprockets and a moveable support located relative to the first and second fixed reference points. A third sprocket is attached to the moveable support and also has the endless conveyor chain riding on it. There is an actuator moving the moveable support and the third sprocket to apply a first force to the moveable support for a high chain-tensioning mode of operation during start or stop for a predetermined period and also to move the moveable support and the third sprocket to provide a second, lower force for a lower chain-tensioning mode of operation during other operating modes.

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