Retention mechanism in a dispenser and system comprising a retention mechanism and an end plug
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United States of America Patent
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Jul 23, 2013
Grant Date -
May 3, 2012
app pub date -
Nov 3, 2010
filing date -
Nov 3, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A retention mechanism (40) for a dispenser for retaining an end plug (10) of an exchangeable roll of material includes an insertion slot extending between a receiving end (54) and a seating region (50) for inserting a bearing pin (22) of the end plug. The bearing pin has at least a first portion (26) with a first diameter, and a second portion (28) with a second diameter smaller than the first diameter. A pin discriminator (46) is at least at the receiving end and narrows the receiving end so only bearing pins can enter the receiving slot which have a maximum outer diameter in the second portion which equals the second diameter. A rejecting slot (48) extends from the seating region and is dimensioned so only bearing pins with a predetermined maximum diameter in the first portion which is smaller than the first diameter will enter the rejecting slot.
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