Dispensing device
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United States of America Patent
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May 28, 2013
Grant Date -
Mar 24, 2011
app pub date -
Sep 17, 2010
filing date -
Sep 18, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a dispensing device (11) for containers (33) containing a compound, comprising a compartment (12) for the container, with a piston rod (13) that can be moved relative to the compartment (12), with an extruding device (16) that comprises a drive wheel (21) for advancing the piston rod (13), a motor (22) for driving the drive wheel (21) as well as a planetary gear (23) that is interposed between the drive wheel (21) and the motor (22) and that has a gear rotational axis (24) and a ring gear (25). The ring gear (25) is provided with multiple recesses that are located along its circumference at intervals from each other. Moreover, the dispensing device (11) has an actuating switch (31) for actuating the motor (22) and a blocking element (36) that can be moved from a blocking position that blocks the ring gear (25) into a releasing position that releases this ring gear (25). A separate unlocking switch (41) is provided for actuating the blocking element (36), and the blocking element (36) can be pivoted around a pivot axis (37) in order to be moved from the blocking position into the releasing position.
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