Misfeed detector for multi tray sheet feeders

Details Misfeed detector for multi tray sheet feeders Misfeed detector for multi tray sheet feeders

1995-02-13

1997-10-07

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Multiple supplies

271 1003, 27125801, 271263, B65H 344, B65H 526

Patent

active

056739079

ABSTRACT:
The invention relates to an apparatus for detecting sheet misfeed from a multi-tray sheet feeder. The thickness of the first sheet fed from each tray is detected by a common sensor and a thickness value is placed in memory for that tray. Each sheet subsequently fed from the same tray is detected by the common sensor and the thickness value sensed is compared with the thickness value in memory for that tray. If the values match, then only one sheet has been fed from the tray. If the thickness value is more that the thickness value in memory for that tray, then that indicates that more than one sheet has left the tray and the system is shut down to enable an operator to correct the situation. When a tray is reloaded, the thickness value in memory for the sheets previously loaded in the tray is erased and the first sheet fed from the reloaded tray is sensed and a thickness value for that sheet is placed in memory for the reloaded tray.

REFERENCES:
patent: 4651982 (1987-03-01), Martin
patent: 4881104 (1989-11-01), Kusumoto et al.
patent: 5110114 (1992-05-01), Yamauchi et al.
patent: 5114138 (1992-05-01), Ichinoje
patent: 5135114 (1992-08-01), Satake et al.
patent: 5503382 (1996-04-01), Hanson et al.
patent: 5586755 (1996-12-01), Hanson

Affiliated with

Also associated with

Rating

Misfeed detector for multi tray sheet feeders does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Misfeed detector for multi tray sheet feeders, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Misfeed detector for multi tray sheet feeders will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2351204