Gearing mechanism for an injection device
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United States of America Patent
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-
Jul 24, 2012
Grant Date -
Jan 28, 2010
app pub date -
May 16, 2007
filing date -
May 16, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
An injection device comprising: a base member (102); a plunger (104) for driving a piston in a distal direction; a driving member (106); and a gear mechanism (108) providing a gearing between the driving member (106) and the plunger (104) such that then the driving member (106) is moved at a first speed relative to the base member (102), the plunger (104) is moved at a second speed relative to the base member (102); wherein at least two of the base member (102), the plunger (104) and the driving member (106) are pivotally connected to the gear mechanism (108).
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