Stack height control remote from feedhead

Details Stack height control remote from feedhead Stack height control remote from feedhead

1996-01-11

1997-08-05

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separators

271126, 271152, 271155, 271164, B65H 306

Patent

active

056534345

ABSTRACT:
A stack height control assembly that is remote from the feedhead. A floating coupler and sensor flag arrangement is mounted so that it is engaged with a paper supply drawer as the drawer is moved into an operative position. The feedhead acts as the stack height sensor and through a mechanical engagement with the sensor, which is removed and remote from the supply drawer, signals as the stack is depleted and the elevator mechanism should raise the stack. This control scheme removes complex electrical connectors from the drawer assembly and allows a wide range of substrates to be fed from the paper supply drawer. By allowing the sensor/coupler arrangement to float so as to align with the drawer, the need for extremely tight manufacturing and assembly tolerances with respect to the drawer/sensor arrangement is also obviated.

REFERENCES:
patent: 3981497 (1976-09-01), Feinstein et al.
patent: 4589645 (1986-05-01), Tracy
patent: 5033731 (1991-07-01), Looney
patent: 5052671 (1991-10-01), Matsuo
patent: 5199694 (1993-04-01), Iseda
patent: 5228673 (1993-07-01), Osonoe
patent: 5228677 (1993-07-01), Asakawa
patent: 5280898 (1994-01-01), Nakano et al.

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