US 2015/0086246 A1Published application

Developer Cartridge

AssigneeBrother Kogyo Kabushiki Kaisha

InventorsJunichi Hashimoto, Isao Kishi, Yasushi Okabe

Life of this patent

Estimating the term…

Loading patent…

Abstract

A developer cartridge is described. The developer cartridge detachably mountable on a tandem type photosensitive unit slidable to a drawn-out position and a mounted position with respect to an image forming apparatus body may include a casing; a developer carrier rotatably supported on one end portion of the casing for carrying a developer; a pair of upright portions arranged on another end portion of the casing at an interval from each other in the axial direction of the developer carrier to extend from another end portion of the casing in a detaching direction for the developer cartridge; and an elastically deformable coupling portion extending in the axial direction of the developer carrier for coupling the upright portions with each other.

Claims60

Dependent claims

A developing cartridge comprising:

a developing roller having a rotational axis extending in a first direction;
and
a casing, the developing roller being positioned closer to one side of the casing in a second direction perpendicular to the first direction than to another side of the casing, the casing including a notched portion extending inwardly from an outer surface of the other side of the casing in the second direction, wherein the casing includes:
a first upright portion extending outwardly from the outer surface of the other side of the casing;
a second upright portion extending outwardly from the outer surface of the other side of the casing, the second upright portion spaced apart from the first upright portion in the first direction;
a coupling portion coupling the first and second upright portions and overlapping the notched portion in the second direction;
and
an opposed portion disposed between the coupling portion and the notched portion in the second direction and between the first and second upright portions in the first direction, the opposed portion being spaced apart from the coupling portion in the second direction.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/560,379Filed 4 Dec 2014
Priority: JP 2009-21065311 Sep 2009
Published: 26 Mar 2015
Term ends: Not estimatedThe source records don’t support an estimate.

Classification14 codes

G03G 21/1676
Means for handling parts of the apparatus in the apparatus: for the developer unit
G03G 15/0808
On a donor element, e.g. belt, roller: characterised by the developer supplying means, e.g. structure of developer supply roller
G03G 15/0865
Arrangements for preparing, mixing, supplying or dispensing developer: arrangements for supplying new developer
G03G 21/1814
Arrangements or disposition of the complete process cartridge or parts thereof: details of parts of process cartridge, e.g. for charging,…

Family

Application12/731,788Continuation · filed 25 Mar 2010
Application13/556,721Continuation · filed 24 Jul 2012
Application14/073,154Continuation · filed 6 Nov 2013
Application14/560,379Continuation
US 2011/0064463 A1Published application
US 2012/0288305 A1Published application
US 2014/0056615 A1Published application
US 8,280,280 B2Related patent
US 8,600,264 B2Related patent
US 9,052,684 B2Related patent
US 9,182,735 B2Related patent
US 2015/0086246 A1This patent

From the US filing history. Foreign family members aren’t listed.