Aerodynamic positioning device

Sheet-material associating – Associating or disassociating – Signature associating

Reexamination Certificate

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Details

C270S052260, C270S052270

Reexamination Certificate

active

07905475

ABSTRACT:
The gathering, conveyance, and assembly of printed material utilizing one or more aerodynamic positioning devices in conjunction with binding machinery is disclosed. The aerodynamic positioning device utilizes controlled fluid flow via a series of discretely spaced jets that create a low pressure region beneath a signature dropping from an adjacent feeder. The aerodynamic positioning device allows the binding machinery to operate at high speeds with lightweight and unbalanced signatures while maintaining high-quality production with reduced paper jams.

REFERENCES:
patent: 1614717 (1927-01-01), Christensen
patent: 3663007 (1972-05-01), Preiter
patent: 4085927 (1978-04-01), Muller
patent: 4493482 (1985-01-01), Valenti et al.
patent: 4576369 (1986-03-01), Flensburg et al.
patent: 5028193 (1991-07-01), Misicka
patent: 5067700 (1991-11-01), Dick
patent: 6517064 (2003-02-01), Glanzmann

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