Apparatus for slowing down and guiding a signature and method for doing the same
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United States of America Patent
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May 28, 2002
Grant Date -
N/A
app pub date -
Dec 30, 1998
filing date -
Dec 30, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for decelerating signatures moving in tandem fashion through sheet processing equipment is provided. A pair of counter-rotating cams lying in general face-to-face relation along a travel path of the signatures reach into the travel path of the signatures to effectively grab the trailing end of each signature so as to decrease the speed of each signature as the signature continues or to further processing equipment in the sheet handling system. Also provided is a guide assembly which increases control over the signatures during the decelerating process and during transport of the signatures to further downstream processing equipment. The guide assembly includes grooved rollers which act as pulleys for belts near the exit stream of the slow-down equipment, wherein the protruding segments between belt grooves act to push the signatures away from the belt. Alternatively, or in combination, the guide assembly includes air nozzle means for impinging at least one stream of air parallel to, and/or at an obtuse angel to, the path of signature travel, which assists in keeping the signatures from opening out during delivery to further processing equipment. Also disclosed is a timing belt means for correlating the rotation of the pair of opposed cams.
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