Sheet feeding or delivering – Delivering – Multiple discharge
Patent
1984-02-13
1985-12-31
Schacher, Richard A.
Sheet feeding or delivering
Delivering
Multiple discharge
271290, B65H 2958
Patent
active
045616477
ABSTRACT:
A sheet deflector drive for driving a sheet-delivering deflector between a plurality of vertically stacked paper-receiving shelves, including a pair of deflector carrying belts for moving the deflector between the shelves; a rotatable drive shaft for driving the belts to move the deflector, rotation of the shaft in one direction moving the deflector upward and rotation of the shaft in the other direction moving the deflector downward; a bidirectional drive motor selectively engageable with the shaft for rotating the shaft to one or the other rotational direction; a cam connected to the shaft for rotation therewith and having three radially projecting lobes, the lobes having an angular spacing therebetween corresponding to the rotational movement of the shaft necessary to move the deflector from a sheet-delivering position adjacent to one of the shelves to such a position adjacent to an immediately neighboring one of the shelves; a pivoted cam follower arm biased toward the cam for engaging the lobes, the follow arm rotating the shaft upon disengagement of the motor to bring the follow arm into simultaneous engagement with two of the lobes, the cam and follower arm being aligned with the shaft to position the deflector in a sheet delivery position adjacent to one of the shelves when the follower arm engages the two lobes; and a selectively operable brake having an engagement member for moving into frictional contact with a free end of the follower arm when the brake is applied, the brake holding the engagement member in frictional contact with the free end with a force permitting movement of the follower arm away from the cam under the influence of the lobes, but sufficient to hold the follower arm at substantially the farthest distance the lobes move the follower arm from the cam. The release of the brake moves the engagement member substantially out of frictional contact with the free end to permit the biasing of the follower arm to move the arm toward the cam and to engagement therewith for positioning of the deflector.
REFERENCES:
patent: 4068838 (1978-01-01), Anbergen
patent: 4273326 (1981-06-01), Snellman
patent: 4449706 (1984-05-01), Snellman
Kingsley Michael L.
Pearson Bernard A.
Snellman Donald L.
Brown O.
Schacher Richard A,.
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