Method and mechanism for sensing the position of the top of a st

Details Method and mechanism for sensing the position of the top of a st Method and mechanism for sensing the position of the top of a st

1999-02-04

2000-12-26

Vo, Peter

Manufacturing container or tube from paper; or other manufacturi

Control means energized in response to activator stimulated...

Responsive to work material, the product or means engaging...

493 8, 493 34, 493 18, 493 17, 493 15, 493412, 493411, 493410, 493415, B31B 100

Patent

active

061651133

ABSTRACT:
A method and mechanism for sensing the position of the top of a stack of material in a stacking apparatus. The mechanism includes, a hub assembly, an arm, a stop, a torsion device that biases the arm toward the stop, a first trigger and a second trigger. The hub assembly has a hollow center portion configured to accept a shaft that is rotatably and driveably mounted to a stacking apparatus. The hub assembly includes a hub having a first form and a second form each mounted to a respective hub end. The arm has a first end pivotally mounted to the first form, and a second end configured to removably contact the stack of paper. The first trigger is configured to trigger a height sensor. The height sensor is mounted to the stacking apparatus, and the height sensor is configured to provide a first signal to a central processing unit to lower a collection table when the arm triggers the height sensor. The stop is mounted to the first form below the arm, the stop configured to stop the pivoting movement of the arm. The second trigger is mounted to the second hub and configured to trigger a validity sensor. The validity sensor is mounted to the stacking apparatus, and is configured to provide a second signal to the central processing unit. The second signal is configured to indicate to the central processing unit that it is appropriate to accept the first signal. A method for sensing the position of the top of a stack of material in a stacking apparatus is also provided.

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