Envelope gummer cylinder clutch and brake
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United States of America Patent
Stats
-
Nov 22, 1983
Grant Date -
N/A
app pub date -
Jul 30, 1981
filing date -
Jul 30, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for applying gum to spaced portions of an envelope is provided with means for sensing the absence of an envelope on a conveyor belt feeding the envelopes to the gummer apparatus. In response to sensing the absence of an envelope on the conveyor belt, a gummer cylinder containing spaced gummer pads for applying gum to the flap and body of the envelope is precluded from rotating by disengagement of a clutch between the gummer cylinder and its drive and simultaneous contact of a brake with the cylinder.
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Family
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Cited Art Landscape
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