Sheet material dispenser with perforation sensor and method

Details Sheet material dispenser with perforation sensor and method Sheet material dispenser with perforation sensor and method

2007-03-20

2007-03-20

Nguyen, John Q. (Department: 3654)

Winding, tensioning, or guiding

Unwinding

With detector, indicator, or control

Reexamination Certificate

active

10881467

ABSTRACT:
A dispenser for dispensing sheet material including a plurality of spaced perforations may include a housing defining an interior for accommodating a source of the sheet material, and an outlet through which the sheet material may be dispensed. The device may also include a perforation sensor configured to sense perforations in the sheet material, disposed in the interior of the housing. The perforation sensor may include at least one light receptor, and at least a portion of the perforation sensor may be positioned in the housing to contact sheet material traveling from the source to the outlet, thereby spreading perforations in the sheet material.

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