High speed stream fed stacker method and system for printed prod

Details High speed stream fed stacker method and system for printed prod High speed stream fed stacker method and system for printed prod

1988-01-11

1990-06-19

Rolla, Joseph J.

Sheet feeding or delivering

Delivering

By endless conveyor

271 69, 271209, 271217, 198461, 4147899, 4147944, B65D 2966, B65D 3100

Patent

active

049346873

ABSTRACT:
There are disclosed method and apparatus for stacking the output ("documents" or "printed products") of a high speed printing press or bindery line. The documents are shingled on a linear infeed conveyor where they are also aligned, positioned, and counted, all at high speed. When the amount of documents desired for a stack have been counted or weighed or determined by stack size or height, further document flow is temporarily interrupted. The documents are speeded up in an accelerator to reduce the amount of shingling. They are ejected from the accelerator to glide through the air onto a stack starter surface which slowly descends as the stack is formed. The partially completed stack is transferred to a de-elevator and the stack starter returns to begin building a new stack. The de-elevator lowers the completed stack onto a receiving surface and rises to receive the next partially completed stack from the stack starter surface. A pusher then removes the stack from the receiving surface.

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patent: 4652197 (1987-05-01), Littleton
patent: 4667949 (1987-05-01), Goodwin et al.
patent: 4783065 (1988-11-01), Graves, Sr.

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