Booklet maker

In a booklet maker (110) or sheet folder wherein one or more sheets are pushed through a nip (16) formed by a pair of crease rolls (10, 12), and wherein the crease rolls (10, 12) are driven by gears (22, 24), a slip clutch (28) is operatively disposed between one of the crease rolls (12) and the gea...

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Bibliographic Details
Main Authors MCNAMARA, JOSEPH M, RUTHENBERG, RAYMOND M, SIU, STEVEN K, VAN WYNGAARDEN, DAVID C
Format Patent
LanguageEnglish
French
German
Published 27.09.2006
Subjects
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Summary:In a booklet maker (110) or sheet folder wherein one or more sheets are pushed through a nip (16) formed by a pair of crease rolls (10, 12), and wherein the crease rolls (10, 12) are driven by gears (22, 24), a slip clutch (28) is operatively disposed between one of the crease rolls (12) and the gear (24) driving the crease roll (12). The slip clutch (28) compensates for the abrupt change in frictional coefficient experienced by the crease rolls (10, 12) when one or more sheets enter the nip (16).
Bibliography:Application Number: EP20040254633