DEVELOPER CARTRIDGE
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United States of America Patent
Stats
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N/A
Issued Date -
Aug 7, 2014
app pub date -
Sep 7, 2012
filing date -
Sep 23, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A developer cartridge comprises a cartridge box, a stirring member, a developing roller, a gear set which receives driving force and drives the stirring member and the developing roller; a rotation member which is installed on the exterior wall of the cartridge box and is provided with a clutch gear and a coaxial cam wherein the clutch gear has a small-diameter portion which is clearance-fitted with one gear top of the gear set and a large-diameter portion which is interference-fitted with the gear top and wherein the large-diameter portion is provided with an elastic friction layer along the circumference and the cam is in a staggered phase with the clutch gear; a contact member which is installed on the exterior wall of the cartridge box and has a contact end and a trigger end; and an elastic member which is installed between the cartridge box and the contact member.
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