Winding – tensioning – or guiding – Unwinding – With detector – indicator – or control
Reexamination Certificate
2008-05-13
2008-05-13
Nguyen, John Q. (Department: 3654)
Winding, tensioning, or guiding
Unwinding
With detector, indicator, or control
C242S563200, C242S564500
Reexamination Certificate
active
11120732
ABSTRACT:
A system and apparatus for automatically dispensing a paper product mounted on a gravity-assisted holder through a dispenser. The apparatus can be pedestal or wall-mounted and includes an electric motor, a main product roller for automatically rolling a predetermined amount of the paper product from the holder, exit guide rollers for guiding the paper product through a front cover of the dispenser, and a series of interconnected gears that are driven by the electric motor to activate the main product roller and exit guide roller and operate both the main roller and exit roller at the same speed. The dispenser is activated when a proximity sensor detects the presence of an individual's hand. Operating the rollers at the same speed prevents paper or tissue jamming inside the dispenser. An even weight distribution of the paper roll against a primary roller is accomplished by offsetting the weight of the paper roll through guide tracks. When the paper roll is at full size, the center of gravity is on the guide tracks; when the paper roll gets smaller, the center of gravity shifts closer to the roller ensuring that the paper roll is fed constantly thereby increasing motor efficiency.
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Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority for PCT/US05/02637.
Nguyen John Q.
Osborne Charles Agnew
Womble Carlyle Sandridge & Rice PLLC
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