Dial-down mechanism for wind-up pen
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United States of America Patent
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-
Apr 11, 2017
Grant Date -
N/A
app pub date -
Nov 27, 2013
filing date -
Oct 21, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a dial-down mechanism for an injection device comprising a torsion spring for assisting injection of a dose of medicament from the injection device, the dial-down mechanism comprising dial-up cam arranged to receive and engage with a dial-up key, wherein the dial-up cam and the dial-up key are adapted to, upon rotation of a dose setting member in a first direction, cooperate to strain the torsion spring of the injection device, and a dial-down cam arranged to receive and engage with a dial-down key, wherein the dial-down cam and the dial-down key are adapted to, upon rotation of the dose setting member in a second direction, cooperate to release the torsion spring of the injection device, the second rotation direction being opposite to the first rotation direction.
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Family
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