Single stack height sensor for plural sheet stacking bins system

Details Single stack height sensor for plural sheet stacking bins system Single stack height sensor for plural sheet stacking bins system

1996-01-11

1998-10-20

Bollinger, David H.

Sheet feeding or delivering

Delivering

Multiple discharge

271298, 271176, B65H 3910

Patent

active

058235299

ABSTRACT:
In a sheet stacking system with an array of plural sheet stacking bins with sheet entrances for stacking plural flimsy print substrate sheets from a printed sheets output path into selected bins, with a sheet feeding input path system for feeding selected sheets into a selected bin to be stacked therein, with a bin fullness indicator system for indicating that the estimated height of the stack has reached a preset allowable maximum, and a stacking control system controlled by the bin fullness indicator system to control the sheet feeding input path; there is a single stack height sensing system including a stack height sensor for respective measurements of the actual stack height of the stack of sheets in respective bins for the bin fullness indicator system, a movable carriage system for moving this single stack height sensing system from adjacent to one bin to adjacent another bin for respective measurements, the stack height sensor including a movable sensing element extendable by an intermittent actuator into the bin then adjacent to the movable carriage system to detect the stack height therein. A signal generator is responsive to the sensing element position to provide control signals to the stacking control system.

REFERENCES:
patent: 5017972 (1991-05-01), Daughton et al.
patent: 5033731 (1991-07-01), Looney
patent: 5328169 (1994-07-01), Mandel
patent: 5464201 (1995-11-01), Deen
patent: 5547178 (1996-08-01), Costello
patent: 5551686 (1996-09-01), Sanchez et al.

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