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US 7,984,872 B2Granted
Automated sheet product dispenser
AssigneeGeorgia-Pacific Consumer Products LP
InventorsBret A. Kuehneman, Joseph A. Racz, Mark R. Grobarchik, Jeffrey A. Wierschke, Antonio M. Cittadino, Christopher M. Reinsel
Life of this patent
Estimating the term…
Abstract
A sheet product dispenser includes a sheet product feed mechanism coupled to a DC stepper motor, the mechanism moving a sheet product out of the dispenser during a dispense cycle; and a control unit controlling the DC stepper motor to move the sheet product with a gradually increasing acceleration during a portion of the dispense cycle.
Claims8
A sheet product dispenser comprising:
- a sheet product feed mechanism coupled to a DC stepper motor, the mechanism moving a sheet product out of the dispenser during a dispense cycle;
- and
- a control unit controlling the DC stepper motor to move the sheet product with a gradually increasing acceleration during a portion of the dispense cycle;
- wherein the control unit controls the DC stepper motor to move the sheet product in a direction that is initially reversed prior to forward advancement of the sheet product.
1 more element
A sheet product dispenser comprising:
- a sheet product feed mechanism coupled to a DC stepper motor, the mechanism moving a sheet product out of the dispenser during a dispense cycle;
- and
- a control unit controlling the DC stepper motor to move the sheet product with a gradually increasing acceleration during a portion of the dispense cycle;
- wherein the control unit controls the DC stepper motor to move the sheet product in a reverse direction subsequent to forward advancement of the sheet product.
1 more element
A sheet product dispenser comprising:
- a sheet product feed mechanism coupled to a DC stepper motor, the mechanism moving a sheet product out of the dispenser during a dispense cycle;
- and
- a control unit controlling the DC stepper motor to move the sheet product with a gradually increasing acceleration during a portion of the dispense cycle;
- wherein the control unit controls the DC stepper motor to move the sheet product in a reverse direction during each dispense cycle.
1 more element
Dependencies are inferred from the claim text.