Image formation apparatus
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United States of America Patent
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-
Nov 25, 2014
Grant Date -
Oct 4, 2012
app pub date -
Jan 31, 2012
filing date -
Mar 31, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An image formation apparatus includes a driving source configured to supply a rotational driving force in a predetermined direction, a particular developing unit having a developing roller and accommodating particular color developer, a first gear configured to receive the driving force of the driving source, a second gear configured to transmit the driving force to the developing roller, a particular intermediate gear configured to be engaged with the first and the second gears. A rotational center of the particular intermediate gear is arranged on an upstream side in a moving direction of teeth of the second gear, and a translation member is configured to linearly move between a first position where the particular intermediate gear engages with the first and second gears, and a second position where the particular intermediate gear disengages from the particular intermediate gear.
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