Sheet processing apparatus

Sheet-material associating – Associating and folding – Sheet associating

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270 47, 493420, B42C 100

Patent

active

050822551

ABSTRACT:
Apparatus for processing sheets, comprising: first structure for feeding a nestable sheet having a leading edge downstream in a path of travel; structure for forming a buckle loop in a foldable sheet, the buckle loop forming structure including a stop, the buckle loop forming structure including second structure for feeding the foldable sheet across the path of travel and against the stop to form a buckle loop therein, the buckle loop forming structure including structure for guiding the buckle loop downstream of the leading edge of the nestable sheet and in the path of travel thereof; and structure for assembling the sheets, the assembling structure including third structure for feeding the sheets in the path of travel, the third feeding structure including an elongate drive roller extending transverse to the path of travel, the third feeding structure including an elongate roller extending parallel to the drive roller and defining therebetween an elongate gap, and the assembling structure including structure for opening and closing the gap.

REFERENCES:
patent: 3059391 (1962-10-01), Volks
patent: 3265382 (1966-08-01), Sherman
patent: 3416785 (1968-12-01), Sherman
patent: 3934867 (1976-01-01), Oeschger
patent: 4496339 (1985-01-01), Moll
patent: 4834695 (1989-05-01), Boblit
patent: 4898570 (1990-02-01), Luperti
patent: 4900391 (1990-02-01), Mandel
Xerox Disclosure Statement, "Folder/Nester"; Robert Hayskar, vol. 8, No. 2; Mar./Apr. 1983.

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