Method and apparatus for stacking sheet articles in their origin

Details Method and apparatus for stacking sheet articles in their origin Method and apparatus for stacking sheet articles in their origin

1988-02-26

1989-09-19

Shaver, Kevin P.

Sheet feeding or delivering

Delivering

Multiple discharge

271303, 209657, B65H 2966

Patent

active

048674370

ABSTRACT:
The disclosure relates to an attachment for a scanner apparatus which electrically scans the markings on the upper face of test score sheets. The attachment stacks score sheets in either a main hopper or a reject hopper with the sheets being stacked in either hopper in the sequence in which the sheets were scanned. Thus, the first sheet after having its upper face scanned is inverted and placed on the bottom of a hopper with the face surface directed downwardly. Each subsequent test score sheet is inverted and placed on the prior score sheet. When removed from either hopper, a stack of sheets can be inverted as an entirety, thereby establishing the faces of the score sheets in their original order. The stack can then be conveniently run back through the scanner or other apparatus. Shunt gates provide the two functions of inverting the sheets and selectively directing them into one of the two hoppers in their original order without the need to reverse the direction of movement of the sheets and without the need of placing one of the hoppers above the other.

REFERENCES:
patent: 3416791 (1968-12-01), Beckman, Jr. et al.
patent: 3523687 (1970-08-01), Petersen et al.
patent: 3556512 (1971-01-01), Fsvklrt
patent: 3833911 (1974-09-01), Caldwell et al.
patent: 3856295 (1974-12-01), Looney
patent: 3948505 (1976-04-01), Miller et al.
patent: 4306712 (1981-12-01), Schroeder
patent: 4334673 (1982-06-01), Clifton
patent: 4712785 (1987-12-01), Stemmle
patent: 4721298 (1988-01-01), Pitcher, Jr.

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