Supports: cabinet structure – For sheet material
Patent
1988-03-04
1989-05-02
Falk, Joseph
Supports: cabinet structure
For sheet material
83208, B65H 1900
Patent
active
048262625
ABSTRACT:
A continuous towel dispenser includes a sensor which detects the disruption of the radio frequency (RF) field below the dispenser's cabinet caused by movement of a user's hands in withdrawing unused towel from a towel from supply roller and provides a control signal to a towel dispensing motor coupled to a supply roller allowing the towel to be dispensed for a predetermined time period corresponding to a desingated towel length. At the same time, a control signal initiates downward displacement of a towel idler bar allowing a length of used towel to also be withdrawn from the cabinet. After a predetermined time interval, e.g., 5 seconds, a towel takeup cycle is automatically initiated by upward displacement of the idler bar followed by a reversal in the direction of rotation of the towel takeup roller. The towel takeup cycle continues for a designated time period or until a stall current in a towel takeup motor is detected indicating that all of the towel has been withdrawn into the cabinet. Inhibit means prevents additional unused towel from being withdrawn during a hand drying cycle.
REFERENCES:
patent: 2095021 (1937-10-01), Belenson
patent: 3858953 (1975-01-01), Bahnsen
patent: 3893738 (1975-07-01), Bahnsen
patent: 4010988 (1977-03-01), Schwartz
patent: 4676131 (1987-06-01), Cassia
patent: 4676559 (1987-06-01), Hood et al.
patent: 4738176 (1988-04-01), Cassia
Hartman Kenneth D.
Owen Donald B.
Falk Joseph
Steiner Company, Inc.
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