Patent ID: 9372442
Filing Date: 2016-06-21
CPC Classification: G03G

Claim Text:
1. A developing cartridge comprising: a housing configured to accommodate a developing agent and comprising: a developing agent carrying member rotatable on an axial line and configured to carry the developing agent; and a layer thickness regulating member configured to regulate a layer thickness of the developing agent carried by the developing agent carrying member; wherein the first frame has a first facing surface facing the layer thickness regulating member, wherein the second frame has a second facing surface facing the layer thickness regulating member, and wherein a welded region where the first frame and the second frame are welded comprises: wherein the first frame has a first inclined portion inclining with respect to the first direction at an end portion of the first frame in the first direction, wherein the second frame has a second inclined portion inclining along the first inclined portion at an end portion of the second frame in the first direction, wherein the welded region extends through the first inclined portion and the second inclined portion together defining the first welded portion and the second welded portion, and wherein the welded region comprises a third welded portion which is positioned inward the first welded portion in the second direction with a space and extends from the second welded portion in parallel with the first welded portion with spacing in the second direction therebetween, and the first welded portion and the third welded portion at least partially overlap in a direction parallel to the axial line of the developing agent carrying member.