Retard feeder

Details Retard feeder Retard feeder

2006-09-21

2008-09-23

Mackey, Patrick (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

C271S125000, C271S258040

Reexamination Certificate

active

07427061

ABSTRACT:
A semi-active retard feeder employs a hysteresis clutch to provide the resisting torque to a retard roll. A low cost Hall Effect sensor is added to the clutch assembly to provide a feedback signal during the feeding cycle in order to detect the onset of degraded feeding performance. This signal can be used to instruct a user to order and replace the retard roll.

REFERENCES:
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patent: 5435538 (1995-07-01), Billings et al.
patent: 5435540 (1995-07-01), Martin et al.
patent: 2003/0044206 (2003-03-01), Brown
patent: 2003/0106757 (2003-06-01), Johnson et al.
patent: 59102737 (1984-06-01), None
U.S. Appl. No. 11/266,401, filed Nov. 3, 2005 by Barry P. Mandel et al., Friction Retard Sheet Feeder.
U.S. Appl. No. 11/158,092, filed Jun. 21, 2005 by Nidhi Sharma et al., Paper Feeder.

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