Counterbalanced web accumulator

Details Counterbalanced web accumulator Counterbalanced web accumulator

1998-09-22

2000-04-18

Jillions, John M.

Winding, tensioning, or guiding

Tension control or brake

Supply controlled

2261182, B65H 2034

Patent

active

060505176

ABSTRACT:
A linear web accumulator is provided wherein a web is threaded alternately between two sets of movable rollers. Each set of movable rollers is connected to the other through a mechanical connection, so that relative motion of the sets is always simultaneously toward each other or away from each other. The connection places one of the sets of rollers in counterbalance against the opposite set, thereby canceling the effects of gravity. Force can be applied to the carriages to adjust web tension, for example, by a rotational drive means such as a servomotor.

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