Ejection device
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United States of America Patent
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-
Mar 27, 2012
Grant Date -
Apr 16, 2009
app pub date -
Oct 10, 2008
filing date -
Oct 15, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An ejection device for a mass-containing package (12) includes at least one piston rod (16) having a toothing (17) extending along its longitudinal extent, and a drive unit (21; 41) for displacing the at least one piston rod (16) and having at least one gear wheel (24; 44) engageable with the toothing (17) of the at least one piston rod (16) and displaceable from a first position, in which it engages the toothing (17) of the at least one piston rod (16), to a position in which it is disengaged from the toothing (17) of the at least one piston rod, and a drive motor (22) for driving the at least one gear wheel (24; 44).
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