Material or article handling – With weighing
Patent
1981-07-27
1984-02-21
Spar, Robert J.
Material or article handling
With weighing
414 47, 414 96, B65G 5730
Patent
active
044326858
ABSTRACT:
Below a stationary stacker device are prestackers movable out-of-phase between receiving and delivery positions. Within a stacker chute of the prestacker located in the receiving position a partial stack is formed from incoming printed products and reposes upon a displaceable support table. In the delivery position, by raising the support table, the partial stack on the support table is displaced into the stacker chute which is closed at its bottom by pivotable restraining flaps. The flaps are pivoted out of their effective position by the introduced partial stack. The flaps are elevationally displaceable and receive the partial stack to be introduced from the support table located in its upper terminal position and, during their displacement movement, convey the engaged partial stack completely into the stacker chute. Both of the prestackers are arranged upon a rotatable support arm. The one prestacker is fixedly connected with the support arm, the other prestacker is rotatably mounted in the support arm. A sprocket wheel is connected with this rotatable prestacker. The sprocket wheel is drivingly connected by a chain with a second sprocket wheel keyed to a pivot pin. Upon rotation of the support arm through 180.degree. the prestacker fixedly connected with the support arm rotates about the pivot pin, whereas the rotatable prestacker rotates about its vertical axis, and thus, performs a translational movement between the receiving and delivery position. Thus, the partial stacks are mutually stacked cross-wise with respect to the final stack.
REFERENCES:
patent: 3115090 (1963-12-01), Elander
patent: 3456423 (1969-07-01), Helms
patent: 3566757 (1971-03-01), Fujishiro
patent: 3568578 (1971-03-01), Fujishiro
patent: 3765546 (1973-10-01), Westerling
patent: 4015724 (1977-04-01), Spencer
Ferag AG
Kleeman Werner W.
Muncy Ken
Spar Robert J.
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